.sk-overlay[data-v-bf9b917c]{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100000;display:flex;align-items:center;justify-content:center;padding:24px;background:#0f172a73;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.sk-card[data-v-bf9b917c]{width:100%;max-width:400px;padding:24px 22px 20px;border-radius:16px;background:#fff;box-shadow:0 25px 50px -12px #0f172a40;border:1px solid rgba(15,23,42,.08)}.sk-title[data-v-bf9b917c]{margin:0 0 12px;font-size:1.125rem;font-weight:600;color:#0f172a}.sk-msg[data-v-bf9b917c]{margin:0 0 20px;font-size:.9375rem;line-height:1.55;color:#475569}.sk-btn[data-v-bf9b917c]{display:block;width:100%;padding:10px 16px;border:none;border-radius:10px;font-size:.9375rem;font-weight:600;color:#fff;background:linear-gradient(135deg,#4a90e2,#6ba3e8);cursor:pointer}.sk-btn[data-v-bf9b917c]:hover{filter:brightness(1.03)}.pre-overlay[data-v-5a69a752]{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100001;display:flex;align-items:center;justify-content:center;padding:24px;background:#0f172a73;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.pre-card[data-v-5a69a752]{width:100%;max-width:400px;padding:24px 22px 20px;border-radius:16px;background:#fff;box-shadow:0 25px 50px -12px #0f172a40;border:1px solid rgba(15,23,42,.08)}.pre-title[data-v-5a69a752]{margin:0 0 12px;font-size:1.125rem;font-weight:600;color:#0f172a}.pre-msg[data-v-5a69a752]{margin:0 0 20px;font-size:.9375rem;line-height:1.55;color:#475569}.pre-btn[data-v-5a69a752]{display:block;width:100%;padding:10px 16px;border:none;border-radius:10px;font-size:.9375rem;font-weight:600;color:#fff;background:linear-gradient(135deg,#e67e22,#f39c12);cursor:pointer}.pre-btn[data-v-5a69a752]:hover{filter:brightness(1.03)}.prep-scene[data-v-0a441446]{display:flex;flex-direction:column;align-items:center;gap:.75rem}.prep-scene__svg[data-v-0a441446]{width:min(320px,88vw);height:auto;filter:drop-shadow(0 8px 20px rgba(44,36,24,.15))}.prep-scene__caption[data-v-0a441446]{margin:0;font-size:.9rem;color:#5c4a32;font-weight:700;letter-spacing:.08em}.prep-book--1[data-v-0a441446]{animation:prep-book-nudge-0a441446 2.4s ease-in-out infinite}.prep-book--2[data-v-0a441446]{animation:prep-book-nudge-0a441446 2.4s ease-in-out infinite .4s}@keyframes prep-book-nudge-0a441446{0%,to{transform:translateY(0)}50%{transform:translateY(-2px)}}.prep-paper--fly[data-v-0a441446]{animation:prep-paper-fly-0a441446 1.8s cubic-bezier(.45,0,.55,1) infinite;transform-origin:135px 112px}.prep-paper--fly-2[data-v-0a441446]{animation:prep-paper-fly-2-0a441446 1.8s cubic-bezier(.45,0,.55,1) infinite .5s}@keyframes prep-paper-fly-0a441446{0%{transform:translate(52px,18px) rotate(8deg);opacity:.35}45%{transform:translate(0) rotate(0);opacity:1}70%{transform:translate(-24px,14px) rotate(-4deg);opacity:1}to{transform:translate(-48px,22px) rotate(-6deg);opacity:.2}}@keyframes prep-paper-fly-2-0a441446{0%{transform:translate(40px,12px) rotate(6deg);opacity:.25}50%{transform:translate(-8px,4px) rotate(-2deg);opacity:1}to{transform:translate(-36px,18px) rotate(-5deg);opacity:.15}}.prep-paper--stack[data-v-0a441446]{animation:prep-stack-pulse-0a441446 2s ease-in-out infinite}@keyframes prep-stack-pulse-0a441446{0%,to{opacity:.65}50%{opacity:1}}.prep-paper--done[data-v-0a441446]{animation:prep-done-grow-0a441446 2.2s ease-in-out infinite}@keyframes prep-done-grow-0a441446{0%,to{transform:translateY(0)}50%{transform:translateY(-2px)}}.prep-arm--left[data-v-0a441446]{animation:prep-arm-left-0a441446 1.6s ease-in-out infinite;transform-origin:106px 118px}.prep-arm--right[data-v-0a441446]{animation:prep-arm-right-0a441446 1.6s ease-in-out infinite;transform-origin:148px 114px}@keyframes prep-arm-left-0a441446{0%,to{transform:rotate(4deg)}50%{transform:rotate(-12deg)}}@keyframes prep-arm-right-0a441446{0%,to{transform:rotate(-6deg)}50%{transform:rotate(14deg)}}.prep-lamp__glow[data-v-0a441446]{animation:prep-glow-0a441446 2.5s ease-in-out infinite}@keyframes prep-glow-0a441446{0%,to{opacity:.1}50%{opacity:.2}}.prep-student[data-v-0a441446]{animation:prep-student-bob-0a441446 2.8s ease-in-out infinite}@keyframes prep-student-bob-0a441446{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}.create-transition[data-v-ec6f558b]{position:fixed;top:0;right:0;bottom:0;left:0;z-index:300;pointer-events:auto;overflow:hidden;background:#f5f0e6}.create-transition--handoff[data-v-ec6f558b]{background:#f8f4ec}.create-transition__panel[data-v-ec6f558b]{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#fffef8,#f8f0e0 42%,#efe6d4);box-shadow:8px 0 48px #2c24182e;transform:translate3d(-100%,0,0);will-change:transform;transition:transform .78s cubic-bezier(.22,1,.36,1)}.create-transition--enter .create-transition__panel[data-v-ec6f558b],.create-transition--hold .create-transition__panel[data-v-ec6f558b],.create-transition--loading .create-transition__panel[data-v-ec6f558b],.create-transition--handoff .create-transition__panel[data-v-ec6f558b]{transform:translateZ(0)}.create-transition--exit .create-transition__panel[data-v-ec6f558b]{transform:translate3d(100%,0,0);transition:transform .82s cubic-bezier(.55,.06,.22,1)}.create-transition--hidden .create-transition__panel[data-v-ec6f558b]{transform:translate3d(-100%,0,0);transition:none}.create-transition__inner[data-v-ec6f558b]{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2rem;padding:2rem 1.5rem;max-width:28rem;width:100%}.create-transition__loading[data-v-ec6f558b]{text-align:center;opacity:0;transform:translate(-1.25rem);transition:opacity .35s ease,transform .45s cubic-bezier(.22,1,.36,1);pointer-events:none}.create-transition__loading--visible[data-v-ec6f558b]{opacity:1;transform:translate(0)}.create-transition__dots[data-v-ec6f558b]{display:flex;justify-content:center;align-items:flex-end;gap:.05rem;min-height:1.5rem}.create-transition__dot[data-v-ec6f558b]{font-size:1.75rem;font-weight:800;line-height:1;color:#c0392b;font-family:Georgia,Songti SC,serif;opacity:0;transform:translate(-14px) scale(.5);transition:opacity .22s cubic-bezier(.22,1,.36,1),transform .28s cubic-bezier(.22,1,.36,1)}.create-transition__dot--shown[data-v-ec6f558b]{opacity:1;transform:translate(0) scale(1)}@media(prefers-reduced-motion:reduce){.create-transition__panel[data-v-ec6f558b]{transition-duration:.01ms!important}.create-transition__dot[data-v-ec6f558b],.create-transition__dot--shown[data-v-ec6f558b]{transition:none;opacity:1;transform:none}}.sq-ext-link-dialog[data-v-6cb21c20]{width:min(440px,100%);padding:1.35rem 1.35rem 1.15rem;background:#fffdf9;border:1px solid rgba(28,25,23,.12);border-radius:1rem;box-shadow:0 20px 40px #1c191733;text-align:center}.sq-ext-link-dialog__icon[data-v-6cb21c20]{width:2.75rem;height:2.75rem;margin:0 auto .75rem;border-radius:999px;background:#b453091f;color:#b45309;display:flex;align-items:center;justify-content:center;font-size:1.15rem}.sq-ext-link-dialog__title[data-v-6cb21c20]{margin:0 0 .5rem;font-size:1.125rem;font-weight:700;color:#1c1917}.sq-ext-link-dialog__desc[data-v-6cb21c20]{margin:0;font-size:.875rem;line-height:1.55;color:#57534e}.sq-ext-link-dialog__desc strong[data-v-6cb21c20]{color:#1c1917}.sq-ext-link-dialog__url[data-v-6cb21c20]{margin:.75rem 0 0;padding:.5rem .65rem;font-size:.75rem;line-height:1.4;color:#78716c;background:#1c19170a;border-radius:.5rem;word-break:break-all;text-align:left;max-height:4.5rem;overflow-y:auto}.sq-ext-link-dialog__actions[data-v-6cb21c20]{display:flex;justify-content:center;gap:.5rem;margin-top:1.15rem}.sq-ext-link-btn[data-v-6cb21c20]{padding:.5rem 1.1rem;font-size:.875rem;font-weight:600;border-radius:.5rem;cursor:pointer}.sq-ext-link-btn--ghost[data-v-6cb21c20]{border:1px solid rgba(28,25,23,.15);background:transparent;color:#57534e}.sq-ext-link-btn--primary[data-v-6cb21c20]{border:none;background:#b45309;color:#fff}.pem-overlay[data-v-e20b9185]{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100002;display:flex;align-items:center;justify-content:center;padding:24px;background:#0f172a73;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.pem-card[data-v-e20b9185]{width:100%;max-width:420px;padding:24px 22px 20px;border-radius:16px;background:#fff;box-shadow:0 25px 50px -12px #0f172a40;border:1px solid rgba(15,23,42,.08)}.pem-title[data-v-e20b9185]{margin:0 0 12px;font-size:1.125rem;font-weight:600;color:#0f172a}.pem-msg[data-v-e20b9185]{margin:0 0 20px;font-size:.9375rem;line-height:1.55;color:#475569;word-break:break-word}.pem-actions[data-v-e20b9185]{display:flex;flex-direction:column;gap:10px}.pem-btn[data-v-e20b9185]{width:100%;padding:10px 16px;border-radius:10px;font-size:.9375rem;font-weight:600;cursor:pointer;border:none}.pem-btn--ghost[data-v-e20b9185]{background:#f1f5f9;color:#334155}.pem-btn--muted[data-v-e20b9185]{color:#64748b;background:#fff;border:1px dashed #cbd5e1}.pem-btn--ghost[data-v-e20b9185]:hover{background:#e2e8f0}.pem-btn--muted[data-v-e20b9185]:hover{background:#f8fafc}.pem-btn[data-v-e20b9185]:disabled{opacity:.6;cursor:not-allowed}.plg-overlay[data-v-ce2716c1]{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100003;display:flex;align-items:center;justify-content:center;padding:24px;background:#0f172a73;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.plg-card[data-v-ce2716c1]{width:100%;max-width:400px;padding:24px 22px 20px;border-radius:16px;background:#fff;box-shadow:0 25px 50px -12px #0f172a40;border:1px solid rgba(15,23,42,.08)}.plg-title[data-v-ce2716c1]{margin:0 0 12px;font-size:1.125rem;font-weight:600;color:#0f172a}.plg-msg[data-v-ce2716c1]{margin:0 0 20px;font-size:.9375rem;line-height:1.55;color:#475569}.plg-actions[data-v-ce2716c1]{display:flex;flex-direction:column;gap:10px}.plg-btn[data-v-ce2716c1]{width:100%;padding:10px 16px;border-radius:10px;font-size:.9375rem;font-weight:600;cursor:pointer;border:none}.plg-btn--primary[data-v-ce2716c1]{color:#fff;background:linear-gradient(135deg,#e67e22,#f39c12)}.plg-btn--ghost[data-v-ce2716c1]{background:#f1f5f9;color:#334155}.plg-btn--primary[data-v-ce2716c1]:hover{filter:brightness(1.03)}.plg-btn--ghost[data-v-ce2716c1]:hover{background:#e2e8f0}.welcome-body{overflow:hidden;overscroll-behavior-y:none}.welcome-root,.welcome-root *{box-sizing:border-box}.welcome-root ul,.welcome-root li{list-style:none;margin:0;padding:0}.welcome-root a{text-decoration:none}.welcome-root{font-family:Microsoft YaHei,PingFang SC,Segoe UI,system-ui,sans-serif;color:#fff}.welcome-scroll{height:100vh;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch}.welcome-scroll:focus{outline:none}.welcome-root .fullscreen-section{width:100vw;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;transition:all .5s ease;padding:2rem;text-align:center}.welcome-root #section1{background:linear-gradient(135deg,#4a90e2,#7ed321);position:relative;overflow:hidden}.welcome-root #section2{background:linear-gradient(135deg,#ff85a2,#4a90e2)}.welcome-root #section3{background:linear-gradient(135deg,#2a2d34,#ff85a2)}.welcome-root #section1:before{content:"";position:absolute;top:10%;right:10%;width:150px;height:150px;background:#ffffff1a;border-radius:50%;z-index:0}.welcome-root #section1:after{content:"";position:absolute;bottom:15%;left:15%;width:200px;height:200px;background:#ffffff14;border-radius:30% 70% 70% 30%/30% 30% 70% 70%;z-index:0}.welcome-root .nav-desktop{position:fixed;left:2vw;top:50%;transform:translateY(-50%);z-index:100;background:#ffffff1a;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:1.5rem 1rem;border-radius:50px;box-shadow:0 4px 15px #0000001a}.welcome-root .nav-desktop li{margin:1.5vw 0;cursor:pointer;color:#fff;font-size:1.1vw;transition:all .3s ease;display:flex;align-items:center;gap:.5rem;padding:.5rem;border-radius:20px}.welcome-root .nav-desktop li i{font-size:1.3vw}.welcome-root .nav-desktop li.active{color:#f39c12;background:#fff3;padding-left:1rem}.welcome-root .nav-desktop li:hover{color:#f39c12;background:#ffffff26;padding-left:1rem}.welcome-root .scribble-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;transform:translateZ(0);transition:transform .16s ease,box-shadow .16s ease,filter .16s ease,background-color .16s ease}.welcome-root .welcome-btn{font-weight:800;padding:.85rem 2.1rem;border-radius:.75rem;font-size:1.125rem;letter-spacing:.02em;box-shadow:0 12px 28px #0000002e}.welcome-root .welcome-btn--primary{background:#fffffff5;color:#1f2937}.welcome-root .welcome-btn--ghost{background:#ffffff0f;color:#fff;border:2px solid rgba(255,255,255,.9);box-shadow:none}.welcome-root .welcome-btn--ghost:hover{background:#ffffff1f}.welcome-root .scribble-btn:hover{transform:translateY(-2px);filter:brightness(1.02)}.welcome-root .scribble-btn:active{transform:translateY(0) scale(.98)}.welcome-root .scribble-btn:focus-visible{outline:3px solid rgba(255,255,255,.85);outline-offset:3px}@media(prefers-reduced-motion:reduce){.welcome-root .fullscreen-section,.welcome-root .scribble-btn,.welcome-root .nav-desktop li,.welcome-root .nav-mobile li{transition:none!important}}@media(max-width:768px){.welcome-root .nav-desktop{display:none}.welcome-root .nav-mobile{position:fixed;bottom:2vh;left:50%;transform:translate(-50%);display:flex;gap:4vw;background:#000000b3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:1.5vh 4vw;border-radius:50px;z-index:100;box-shadow:0 4px 20px #0000004d}.welcome-root .nav-mobile li{color:#fff;font-size:6vw;cursor:pointer;transition:all .3s ease;display:flex;flex-direction:column;align-items:center;gap:.3rem}.welcome-root .nav-mobile li span{font-size:2.5vw}.welcome-root .nav-mobile li.active,.welcome-root .nav-mobile li:hover{color:#f39c12;transform:translateY(-3px)}.welcome-root .fullscreen-section h1{font-size:8vw!important}.welcome-root .fullscreen-section h2{font-size:6vw!important}.welcome-root .fullscreen-section p{font-size:4vw!important}}@media(min-width:769px){.welcome-root .nav-mobile{display:none}}.admin-btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;border-radius:.6rem;padding:.55rem .95rem;font-weight:700;transition:all .16s ease;border:1px solid transparent}.admin-btn:focus-visible{outline:none;box-shadow:0 0 0 3px #2563eb40}.admin-btn--primary{color:#fff!important;background:linear-gradient(135deg,#2563eb,#1d4ed8)!important;box-shadow:0 10px 20px #2563eb3d}.admin-btn--primary:hover{filter:brightness(1.03);transform:translateY(-1px)}.admin-btn--success{color:#fff!important;background:linear-gradient(135deg,#16a34a,#15803d)!important;box-shadow:0 10px 20px #16a34a33}.admin-btn--danger{color:#fff!important;background:linear-gradient(135deg,#ef4444,#dc2626)!important;box-shadow:0 10px 20px #ef444433}.admin-btn--muted{color:#334155!important;background:#f1f5f9!important;border-color:#e2e8f0!important}.admin-btn--muted:hover{background:#e2e8f0!important}.admin-btn--secondary{color:#334155!important;background:#fff!important;border-color:#e2e8f0!important;box-shadow:0 4px 14px #0f172a0d}.admin-btn--secondary:hover{background:#f8fafc!important;border-color:#cbd5e1!important}.admin-btn--secondary:disabled{opacity:.55;cursor:not-allowed}.metric-card{background:#fffffff5;border:1px solid rgba(15,23,42,.07);border-radius:14px;padding:16px 18px;box-shadow:0 12px 28px #0f172a12;min-height:6.5rem;display:flex;flex-direction:column;justify-content:center}.metric-card__label{font-size:.8rem;color:#64748b;font-weight:600;letter-spacing:.01em}.metric-card__value{font-size:1.65rem;font-weight:800;line-height:1.2;margin-top:6px;color:#0f172a}.metric-card__meta{margin-top:6px;color:#94a3b8;font-size:.78rem;line-height:1.35}.metric-card--live{border-left:4px solid #4a90e2;background:linear-gradient(135deg,#fffffffa,#eff6ffeb)}.admin-stat-panel{background:#fff;border:1px solid rgba(15,23,42,.08);border-radius:16px;padding:20px 22px;box-shadow:0 14px 32px #0f172a0f}.admin-stat-panel__title{font-size:1.05rem;font-weight:700;color:#0f172a}.admin-stat-panel__desc{font-size:.8rem;color:#64748b;margin-top:4px}.admin-stat-panel--compact{padding:16px 18px}.admin-stat-panel__chart{position:relative;height:14rem}.admin-stat-panel__chart--sm{height:11rem}.admin-stat-panel__chart--md{height:13rem}.admin-stat-panel__chart--tall{height:16rem}.admin-stat-panel__empty{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;border-radius:12px;background:#f8fafceb;border:1px dashed rgba(148,163,184,.45);color:#64748b;font-size:.875rem;text-align:center;padding:1rem}.admin-stat-panel__empty i{font-size:1.35rem;color:#94a3b8}.admin-stat-table thead th{font-size:.75rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase;color:#64748b}.admin-stat-table tbody td{color:#334155}.admin-table-scroll{overflow:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;scrollbar-width:thin}.admin-table-scroll.flex-1{flex:1 1 auto;min-height:0}.admin-table-scroll--page{max-height:calc(100dvh - 11.5rem)}@media(min-width:768px){.admin-table-scroll--page{max-height:calc(100vh - 12.5rem)}}.admin-table-scroll--compact{max-height:18rem}.admin-table-scroll table thead th{position:sticky;top:0;z-index:2;background-color:#f9fafb;box-shadow:0 1px #e5e7eb}.admin-table-scroll table thead tr{background-color:#f9fafb}.admin-table-scroll .admin-stat-table thead th{background-color:#f8fafc;text-transform:none;letter-spacing:normal;font-size:inherit}.admin-stat-panel .admin-table-scroll{max-height:16rem;margin:0 -2px;border-radius:10px}.admin-stat-panel--compact .admin-table-scroll{max-height:14rem}.admin-info-bar{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1rem;margin-bottom:1rem;padding:.75rem 1rem;border-radius:12px;border:1px solid rgba(74,144,226,.18);background:linear-gradient(135deg,#eff6fff2,#fffffffa);color:#475569;font-size:.78rem;line-height:1.45}.admin-info-bar code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:.72rem;background:#ffffffd9;border:1px solid rgba(148,163,184,.35);border-radius:.35rem;padding:.05rem .35rem}.ai-settings-card{background:#fff;border:1px solid rgba(15,23,42,.08);border-radius:14px;padding:14px 16px;box-shadow:0 10px 24px #0f172a0d;margin-bottom:1rem}.ai-settings-card__head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem 1rem;margin-bottom:.75rem}.ai-settings-card__title{font-size:.95rem;font-weight:700;color:#0f172a}.ai-settings-card__hint{font-size:.72rem;color:#94a3b8;margin-top:2px}.ai-settings-card__form{display:flex;flex-wrap:wrap;align-items:flex-end;gap:.65rem .85rem}.ai-settings-card__field{display:flex;flex-direction:column;gap:.25rem;min-width:0}.ai-settings-card__field>span{font-size:.7rem;font-weight:600;color:#64748b;letter-spacing:.01em}.ai-settings-card__field select,.ai-settings-card__field input{height:2.25rem;border-radius:.55rem;border:1px solid #e2e8f0;background:#fff;padding:0 .55rem;font-size:.8125rem;color:#0f172a}.ai-settings-card__field--model select{min-width:10.5rem}.ai-settings-card__field--price input{width:5.5rem}.ai-settings-card__divider{width:1px;height:2rem;background:#e2e8f0;align-self:flex-end;margin-bottom:.1rem;display:none}.ai-model-tag{display:inline-flex;align-items:center;padding:.12rem .45rem;border-radius:999px;font-size:.68rem;font-weight:700;letter-spacing:.01em;background:#eff6ff;color:#1d4ed8;border:1px solid rgba(37,99,235,.15)}.ai-model-tag--pro{background:#fdf4ff;color:#7e22ce;border-color:#7e22ce26}@media(min-width:768px){.ai-settings-card__divider{display:block}}@media(max-width:767px){.ai-settings-card{padding:12px}.ai-settings-card__form{display:grid;grid-template-columns:1fr 1fr}.ai-settings-card__field--model{grid-column:1 / -1}.ai-settings-card__field--model select{width:100%}.ai-settings-card__actions{grid-column:1 / -1}}@media(max-width:767px){.metric-card{padding:12px 14px;border-radius:12px;min-height:5.5rem;box-shadow:0 8px 20px #0f172a0d}.metric-card__label{font-size:.74rem}.metric-card__value{font-size:1.35rem;margin-top:4px}.metric-card__meta{font-size:.72rem;margin-top:4px}.admin-stat-panel{padding:14px;border-radius:12px}.admin-stat-panel__chart,.admin-stat-panel__chart--tall{height:15rem}}.admin-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;border-radius:.5rem;transition:all .15s ease}.admin-icon-btn:hover{transform:translateY(-1px)}.admin-icon-btn--neutral{color:#475569!important}.admin-icon-btn--neutral:hover{color:#1d4ed8!important;background:#eff6ff}.admin-icon-btn--primary{color:#2563eb!important}.admin-icon-btn--primary:hover{color:#1d4ed8!important;background:#eff6ff}.admin-icon-btn--danger{color:#ef4444!important}.admin-icon-btn--danger:hover{color:#dc2626!important;background:#fef2f2}.admin-icon-btn--warning{color:#d97706!important}.admin-icon-btn--warning:hover{color:#b45309!important;background:#fffbeb}.admin-icon-btn--success{color:#059669!important}.admin-icon-btn--success:hover{color:#047857!important;background:#ecfdf5}.admin-page-btn{min-width:2.2rem;border-radius:.55rem;border:1px solid #e2e8f0;color:#334155;background:#fff;padding:.35rem .65rem;transition:all .15s ease}.admin-page-btn:hover{background:#f8fafc}.admin-page-btn:disabled{opacity:.45;cursor:not-allowed}.admin-page-btn--active{color:#fff!important;border-color:#2563eb!important;background:#2563eb!important}.admin-filter-btn{border-radius:9999px;border:1px solid #e2e8f0;background:#f8fafc;color:#334155;padding:.35rem .8rem;font-size:.875rem;line-height:1.25rem;transition:all .15s ease}.admin-filter-btn:hover{background:#e2e8f0}.admin-filter-btn--active{background:#1d4ed8!important;border-color:#1d4ed8!important;color:#fff!important}.admin-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}@media(min-width:768px){.admin-toolbar{flex-wrap:nowrap;width:max-content;max-width:100%;margin-left:auto}.admin-toolbar .admin-search{flex:0 1 16rem;min-width:0}.admin-toolbar .admin-search-input{width:100%;min-width:10rem;max-width:16rem}.admin-toolbar>select{flex-shrink:0}.admin-toolbar>.admin-btn,.admin-toolbar>a.admin-btn,.admin-toolbar>button{flex-shrink:0}.admin-toolbar>.relative{flex-shrink:0}}.admin-search{display:inline-flex;align-items:stretch;min-width:0}.admin-search-input{width:16rem;max-width:100%;padding:.5rem .75rem;border:1px solid #e2e8f0;border-right:0;border-radius:.6rem 0 0 .6rem;background:#fff}.admin-search-input:focus{outline:none;border-color:#2563eb73;box-shadow:0 0 0 3px #2563eb1f}@media(max-width:767px){.admin-btn{padding:.42rem .6rem;font-size:.8125rem;border-radius:.5rem;gap:.3rem;min-height:2.5rem;box-shadow:0 4px 12px #2563eb1f}.admin-btn--primary,.admin-btn--danger,.admin-btn--success{box-shadow:0 6px 14px #0f172a1f}.admin-page-btn{min-height:2.35rem;padding:.3rem .5rem;font-size:.8125rem}.admin-filter-btn{padding:.28rem .55rem;font-size:.8125rem}.admin-icon-btn{width:2.25rem;height:2.25rem}.admin-toolbar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.45rem .5rem;align-items:stretch}.admin-toolbar .admin-search{grid-column:1 / -1;width:100%;max-width:none}.admin-toolbar .admin-search-input{width:100%;max-width:none;min-height:2.5rem;padding:.45rem .6rem;font-size:.875rem;border-radius:.5rem 0 0 .5rem}.admin-toolbar .admin-search .admin-btn{min-height:2.5rem;border-radius:0 .5rem .5rem 0;padding-left:.65rem;padding-right:.65rem}.admin-toolbar>select{grid-column:1 / -1;width:100%;min-height:2.5rem;padding:.45rem .55rem;font-size:.8125rem;border-radius:.5rem}.admin-toolbar>.admin-btn,.admin-toolbar>a.admin-btn,.admin-toolbar>button{width:100%;justify-content:center}.admin-shell-main .admin-table-scroll,.admin-shell-main .overflow-x-auto{-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;scrollbar-width:thin;margin-left:-.125rem;margin-right:-.125rem;padding-left:.125rem;padding-right:.125rem;border-radius:.6rem;border:1px solid #e5e7eb;background:#fff}.admin-shell-main table{font-size:.78rem;line-height:1.35}.admin-shell-main table th,.admin-shell-main table td{padding:.45rem .5rem!important}.admin-shell-main table thead th{white-space:nowrap;font-size:.62rem;letter-spacing:.03em;line-height:1.2}.admin-shell-main table tbody td{vertical-align:middle}.admin-shell-main table img.rounded-full{width:2rem!important;height:2rem!important;margin-right:.35rem!important}.admin-shell-main .rounded-xl.shadow-card{border-radius:.75rem}.admin-shell-main .p-6{padding:1rem!important}.admin-shell-main .p-5{padding:.875rem!important}.admin-shell-main .px-6{padding-left:.75rem!important;padding-right:.75rem!important}.admin-shell-main .py-4{padding-top:.65rem!important;padding-bottom:.65rem!important}.admin-shell-main .mb-6{margin-bottom:1rem!important}.admin-shell-main .mb-5{margin-bottom:.875rem!important}.admin-shell-main .gap-6{gap:.875rem!important}.admin-shell-main .gap-5{gap:.75rem!important}.admin-shell-main .gap-4{gap:.65rem!important}.admin-shell-main .divide-y>div>button.flex-1.min-w-0{padding:.65rem .75rem!important;gap:.5rem}}@media(max-width:360px){.admin-toolbar{grid-template-columns:1fr}}.admin-blocking-loader{position:absolute;top:0;right:0;bottom:0;left:0;z-index:20;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:.75rem;background:#ffffffeb;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);border:1px solid rgba(226,232,240,.9);box-shadow:0 4px 24px #0f172a0f}.admin-slot-fade-enter-active,.admin-slot-fade-leave-active{transition:opacity .18s ease}.admin-slot-fade-enter-from,.admin-slot-fade-leave-to{opacity:0}.admin-main-loader__ring{width:44px;height:44px;border-radius:999px;border:3px solid rgba(226,232,240,.95);border-top-color:#4a90e2f2;border-right-color:#ff85a28c;animation:admin-main-spin .72s linear infinite}.admin-main-loader__bar{height:8px;border-radius:6px;background:linear-gradient(90deg,#e2e8f0e6,#f1f5f9 40%,#e2e8f0e6);background-size:200% 100%;animation:admin-main-bar-shimmer 1s ease-in-out infinite}.admin-main-loader__bar--long{width:100%}.admin-main-loader__bar--mid{width:78%}.admin-main-loader__bar--short{width:52%}@keyframes admin-main-spin{to{transform:rotate(360deg)}}@keyframes admin-main-bar-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.admin-tab-router-view{min-height:0}.admin-tab-fade-enter-active,.admin-tab-fade-leave-active{transition:opacity .22s ease}.admin-tab-fade-enter-from,.admin-tab-fade-leave-to{opacity:0}.hover-dropdown{position:relative}.hover-dropdown__anchor{position:absolute;top:100%;z-index:60;padding-top:.375rem;pointer-events:auto}.hover-dropdown__anchor--right{right:0}.hover-dropdown__anchor--left{left:0}.hover-dropdown__panel{overflow:hidden;border-radius:.75rem;border:1px solid rgba(226,232,240,.95);background:#fff;box-shadow:0 10px 28px #0f172a1f,0 4px 12px #0f172a0f}.hover-dropdown__head{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.65rem .85rem;border-bottom:1px solid #f1f5f9;background:#f8fafcf2}.hover-dropdown__title{font-size:.875rem;font-weight:700;color:#0f172a}.hover-dropdown__close{display:inline-flex;align-items:center;justify-content:center;width:1.75rem;height:1.75rem;border-radius:999px;color:#94a3b8;transition:background-color .15s,color .15s}.hover-dropdown__close:hover{background:#e2e8f0d9;color:#475569}.hover-dropdown-enter-active,.hover-dropdown-leave-active{transition:opacity .15s ease,transform .15s ease}.hover-dropdown-enter-from,.hover-dropdown-leave-to{opacity:0;transform:translateY(-4px)}.admin-notif-inbox{display:grid;grid-template-columns:minmax(0,11rem) minmax(0,1fr);gap:1rem;min-height:min(70vh,640px)}.admin-notif-inbox__split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,19rem);flex:1;min-height:0}@media(max-width:1023px){.admin-notif-inbox__split{grid-template-columns:1fr}.admin-notif-detail{border-top:1px solid #f1f5f9;max-height:min(40vh,360px)}}@media(max-width:767px){.admin-notif-inbox{grid-template-columns:1fr;min-height:0}}.admin-notif-inbox__nav{display:flex;flex-direction:column;gap:.25rem;padding:.5rem;border-radius:.75rem;border:1px solid #e2e8f0;background:#fff;height:fit-content}@media(max-width:767px){.admin-notif-inbox__nav{flex-direction:row;flex-wrap:wrap}}.admin-notif-inbox__nav-btn{display:flex;align-items:center;justify-content:space-between;gap:.5rem;width:100%;padding:.55rem .65rem;border-radius:.5rem;font-size:.8125rem;color:#475569;text-align:left;transition:background-color .15s,color .15s}.admin-notif-inbox__nav-btn:hover{background:#f1f5f9}.admin-notif-inbox__nav-btn--active{background:#3b82f61a;color:#1d4ed8;font-weight:600}.admin-notif-inbox__panel{display:flex;flex-direction:column;min-height:0;border-radius:.75rem;border:1px solid #e2e8f0;background:#fff;overflow:hidden}.admin-notif-inbox__toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;padding:.75rem 1rem;border-bottom:1px solid #f1f5f9;background:#f8fafc}.admin-notif-inbox__list{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain}.admin-notif-item{display:flex;align-items:stretch;border-bottom:1px solid #f1f5f9}.admin-notif-item:last-child{border-bottom:none}.admin-notif-item--unread{background:#3b82f60a}.admin-notif-item--selected{background:#3b82f614;box-shadow:inset 3px 0 #3b82f6}.admin-notif-item__main{flex:1;min-width:0;display:flex;gap:.75rem;padding:.85rem 1rem;text-align:left;transition:background-color .15s}.admin-notif-item__main:hover{background:#f8fafce6}.admin-notif-item__icon{flex-shrink:0;width:2.25rem;height:2.25rem;display:flex;align-items:center;justify-content:center;border-radius:.65rem;background:#3b82f61f;color:#2563eb;font-size:.9rem}.admin-notif-item__icon--read{background:#f1f5f9;color:#94a3b8}.admin-notif-item__actions{display:flex;flex-direction:column;border-left:1px solid #f1f5f9}.admin-notif-item__go,.admin-notif-item__del{flex:1;min-width:2.5rem;padding:0 .65rem;color:#94a3b8;transition:background-color .15s,color .15s}.admin-notif-item__go:hover{color:#2563eb;background:#3b82f60f}.admin-notif-item__del:hover{color:#dc2626;background:#fee2e280}.admin-notif-preview-list{max-height:min(22rem,50vh);overflow-y:auto;overscroll-behavior:contain}.admin-notif-detail{display:flex;flex-direction:column;min-height:0;border-left:1px solid #f1f5f9;background:#fafbfc}.admin-notif-detail__head{display:flex;gap:.75rem;align-items:flex-start;padding:1rem;border-bottom:1px solid #f1f5f9;background:#fff}.admin-notif-detail__icon{flex-shrink:0;width:2.5rem;height:2.5rem;display:flex;align-items:center;justify-content:center;border-radius:.75rem;background:#3b82f61f;color:#2563eb}.admin-notif-detail__icon--read{background:#f1f5f9;color:#94a3b8}.admin-notif-detail__close{width:1.75rem;height:1.75rem;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;color:#94a3b8;transition:background-color .15s,color .15s}.admin-notif-detail__close:hover{background:#f1f5f9;color:#475569}.admin-notif-detail__body{flex:1;min-height:0;overflow-y:auto;padding:1rem}.admin-notif-detail__text{font-size:.875rem;line-height:1.65;color:#334155}.admin-notif-detail__text--muted{color:#94a3b8;font-style:italic}.admin-notif-detail__meta{margin-top:1.25rem;padding-top:1rem;border-top:1px dashed #e2e8f0;display:grid;gap:.65rem;font-size:.8125rem}.admin-notif-detail__meta dt{color:#94a3b8;margin-bottom:.15rem}.admin-notif-detail__meta dd{color:#475569;font-weight:500}.admin-notif-detail__foot{display:flex;flex-wrap:wrap;gap:.5rem;padding:.85rem 1rem;border-top:1px solid #f1f5f9;background:#fff}.admin-notif-detail__empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem 1rem;text-align:center;min-height:12rem}:root{--app-bg: #f8fafc;--app-text: #0f172a;--panel-bg: rgba(255, 255, 255, .92);--panel-border: rgba(15, 23, 42, .1);--app-font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", system-ui, sans-serif}html[data-app-surface=front][data-theme=dark]{--app-bg: #0b1220;--app-text: #e2e8f0;--panel-bg: rgba(15, 23, 42, .86);--panel-border: rgba(148, 163, 184, .3)}html[data-app-surface=front][data-theme=dark] .bg-white{background-color:#0f172aeb!important}html[data-app-surface=front][data-theme=dark] .bg-slate-50,html[data-app-surface=front][data-theme=dark] .bg-gray-50,html[data-app-surface=front][data-theme=dark] .bg-light{background-color:#0b1220!important}html[data-app-surface=front][data-theme=dark] .bg-slate-100,html[data-app-surface=front][data-theme=dark] .bg-gray-100{background-color:#0f172a!important}html[data-app-surface=front][data-theme=dark] .border-gray-100,html[data-app-surface=front][data-theme=dark] .border-gray-200,html[data-app-surface=front][data-theme=dark] .border-slate-100,html[data-app-surface=front][data-theme=dark] .border-slate-200{border-color:#94a3b838!important}html[data-app-surface=front][data-theme=dark] .shadow,html[data-app-surface=front][data-theme=dark] .shadow-md,html[data-app-surface=front][data-theme=dark] .shadow-lg{box-shadow:0 18px 50px #00000073!important}html[data-app-surface=front][data-theme=dark] .text-slate-500,html[data-app-surface=front][data-theme=dark] .text-gray-500{color:#cbd5e1e6!important}html[data-app-surface=front][data-theme=dark] .text-slate-600,html[data-app-surface=front][data-theme=dark] .text-gray-600{color:#e2e8f0eb!important}html[data-app-surface=front][data-theme=dark] .text-slate-700,html[data-app-surface=front][data-theme=dark] .text-gray-700,html[data-app-surface=front][data-theme=dark] .text-dark{color:#f1f5f9f2!important}html[data-app-surface=front][data-theme=dark] .text-slate-800,html[data-app-surface=front][data-theme=dark] .text-gray-800{color:#f8fafcfa!important}html[data-app-surface=front][data-theme=dark] .text-slate-900,html[data-app-surface=front][data-theme=dark] .text-gray-900{color:#fff!important}html[data-app-surface=front][data-theme=dark] .center-root,html[data-app-surface=front][data-theme=dark] .home-root,html[data-app-surface=front][data-theme=dark] .repo-root,html[data-app-surface=front][data-theme=dark] .feedback-root,html[data-app-surface=front][data-theme=dark] .revise-root,html[data-app-surface=front][data-theme=dark] .safety-root,html[data-app-surface=front][data-theme=dark] .manager-root,html[data-app-surface=front][data-theme=dark] .quiz-manage-root,html[data-app-surface=front][data-theme=dark] .about-root,html[data-app-surface=front][data-theme=dark] .auth-root,html[data-app-surface=front][data-theme=dark] .admin-auth-root{background:radial-gradient(1200px 600px at 10% 0%,rgba(74,144,226,.1),transparent 60%),radial-gradient(900px 500px at 90% 20%,rgba(255,133,162,.08),transparent 55%),linear-gradient(180deg,#0b1220,#0f172a)!important}html[data-app-surface=front][data-theme=dark] .panel-card,html[data-app-surface=front][data-theme=dark] .feature-card,html[data-app-surface=front][data-theme=dark] .home-card,html[data-app-surface=front][data-theme=dark] .editor-card,html[data-app-surface=front][data-theme=dark] .fb-card,html[data-app-surface=front][data-theme=dark] .fb-ticket-card,html[data-app-surface=front][data-theme=dark] .info-card,html[data-app-surface=front][data-theme=dark] .quiz-card,html[data-app-surface=front][data-theme=dark] .auth-card,html[data-app-surface=front][data-theme=dark] .admin-card,html[data-app-surface=front][data-theme=dark] .surface-panel{background:var(--panel-bg)!important;border-color:var(--panel-border)!important;box-shadow:0 20px 52px #00000059!important}html[data-app-surface=front][data-theme=dark] .stats-card,html[data-app-surface=front][data-theme=dark] .rank-item,html[data-app-surface=front][data-theme=dark] .favorite-card,html[data-app-surface=front][data-theme=dark] .home-dock,html[data-app-surface=front][data-theme=dark] .stat-pill,html[data-app-surface=front][data-theme=dark] .toolbar,html[data-app-surface=front][data-theme=dark] .sort-box,html[data-app-surface=front][data-theme=dark] .dock-chip{background:#1e293bd1!important;border-color:#94a3b847!important}html[data-app-surface=front][data-theme=dark] .home-stats-band{background:linear-gradient(105deg,#4a90e22e,#0f172aeb 55%)!important;border-bottom-color:#4a90e240!important}html[data-app-surface=front][data-theme=dark] .stat-pill__label{color:#cbd5e1e0!important}html[data-app-surface=front][data-theme=dark] .stat-pill__value{color:#f1f5f9!important}html[data-app-surface=front][data-theme=dark] .dock-chip{color:#e2e8f0!important}html[data-app-surface=front][data-theme=dark] .hot-row__rank{color:#cbd5e1e6!important;background:#334155bf!important}html[data-app-surface=front][data-theme=dark] .hot-row:hover{background:#4a90e21f!important}html[data-app-surface=front][data-theme=dark] .stats-label,html[data-app-surface=front][data-theme=dark] .stats-desc{color:#cbd5e1e6!important}html[data-app-surface=front][data-theme=dark] .stats-value{color:#f1f5f9!important}html[data-app-surface=front][data-theme=dark] .stats-value.text-emerald-600{color:#34d399!important}html[data-app-surface=front][data-theme=dark] .stats-value.text-rose-500{color:#fb7185!important}html[data-app-surface=front][data-theme=dark] .chart-axis-label{fill:#cbd5e1e0!important}html[data-app-surface=front][data-theme=dark] .chart-grid-line{stroke:#94a3b838!important}html[data-app-surface=front][data-theme=dark] .favorite-badge{background:#ff85a238!important;color:#fda4af!important}html[data-app-surface=front][data-theme=dark] .favorite-remove-btn{background:#7f1d1d59!important;border-color:#fb718559!important;color:#fda4af!important}html[data-app-surface=front][data-theme=dark] .favorite-remove-btn:hover{background:#7f1d1d8c!important}html[data-app-surface=front][data-theme=dark] .nav-title{color:#94a3b8f2!important}html[data-app-surface=front][data-theme=dark] .nav-item{color:#e2e8f0!important}html[data-app-surface=front][data-theme=dark] .nav-item--active{color:#93c5fd!important}html[data-app-surface=front][data-theme=dark] .setting-row__hint{color:#94a3b8e6!important}html[data-app-surface=front][data-theme=dark] .eq-block__gain,html[data-app-surface=front][data-theme=dark] .eq-block__freq,html[data-app-surface=front][data-theme=dark] .eq-block__preset-text{color:#94a3b8d9!important}html[data-app-surface=front][data-theme=dark] .eq-block__chip{background:#1e293b8c!important;border-color:#94a3b833!important}html[data-app-surface=front][data-theme=dark] .eq-block__preset-select,html[data-app-surface=front][data-theme=dark] .eq-block__reset{background:#0f172abf!important;border-color:#94a3b838!important;color:#e2e8f0!important}html[data-app-surface=front][data-theme=dark] .mobile-drawer{background:#0f172afa!important;border-left-color:#94a3b840!important}html[data-app-surface=front][data-theme=dark] .mobile-link{color:#e2e8f0!important;background:#1e293ba6!important}html[data-app-surface=front][data-theme=dark] .mobile-link--active{color:#93c5fd!important;background:#4a90e22e!important}html[data-app-surface=front][data-theme=dark] .user-dropdown__item{color:#e2e8f0!important}html[data-app-surface=front][data-theme=dark] .user-dropdown__item:hover{background:#1e293bd9!important;color:#93c5fd!important}html[data-app-surface=front][data-theme=dark] .site-footer{background:#0f172aeb!important;border-top-color:#94a3b833!important}html[data-app-surface=front][data-theme=dark] .site-footer__line,html[data-app-surface=front][data-theme=dark] .site-footer__link,html[data-app-surface=front][data-theme=dark] .site-footer__placeholder{color:#cbd5e1e0!important}html[data-app-surface=front][data-theme=dark] .home-section-head__title,html[data-app-surface=front][data-theme=dark] .home-section-head__title--lg{color:#f1f5f9!important}html[data-app-surface=front][data-theme=dark] .home-section-head__meta,html[data-app-surface=front][data-theme=dark] .guide-row__body{color:#cbd5e1e6!important}html[data-app-surface=front][data-theme=dark] .guide-row__summary{color:#e2e8f0!important}html[data-app-surface=front][data-theme=dark] .guide-row[open] .guide-row__summary{color:#93c5fd!important}html[data-app-surface=front][data-theme=dark] .home-guide__list,html[data-app-surface=front][data-theme=dark] .guide-row{border-color:#94a3b833!important}html[data-app-surface=front][data-theme=dark] .hot-row__title,html[data-app-surface=front][data-theme=dark] .home-rail__title,html[data-app-surface=front][data-theme=dark] .rail-list__name{color:#f1f5f9!important}html[data-app-surface=front][data-theme=dark] .hot-row__sub,html[data-app-surface=front][data-theme=dark] .home-rail__meta,html[data-app-surface=front][data-theme=dark] .rail-list__stat,html[data-app-surface=front][data-theme=dark] .home-rail__more{color:#cbd5e1e0!important}html[data-app-surface=front][data-theme=dark] .rail-nav__link{color:#cbd5e1!important;border-bottom-color:#94a3b826!important}html[data-app-surface=front][data-theme=dark] .home-rail{border-left-color:#4a90e259!important;border-top-color:#94a3b833!important}html[data-app-surface=front][data-theme=dark] .home-echo-band{background:linear-gradient(180deg,#0f172a99,#0b1220fa)!important;border-top-color:#94a3b82e!important}html[data-app-surface=front][data-theme=dark] .home-echo-band__label,html[data-app-surface=front][data-theme=dark] .home-echo-band__quote{color:#e2e8f0!important}html[data-app-surface=front][data-theme=dark] .home-echo-band__quote--hint{color:#94a3b8f2!important}html[data-app-surface=front][data-theme=dark] .home-hot__foot{border-top-color:#94a3b833!important}html[data-app-surface=front][data-theme=dark] .tab-switch{background:#1e293be6!important;border-color:#94a3b847!important}html[data-app-surface=front][data-theme=dark] .tab-switch__btn{color:#cbd5e1!important}html[data-app-surface=front][data-theme=dark] .tab-switch__btn--active{color:#fff!important}html[data-app-surface=front][data-theme=dark] .repo-select,html[data-app-surface=front][data-theme=dark] select.repo-select{background:#1e293bf2!important;border-color:#94a3b859!important;color:#e2e8f0!important}html[data-app-surface=front][data-theme=dark] .repo-select option{background:#0f172a;color:#e2e8f0}html[data-app-surface=front][data-theme=dark] .sort-box__label{color:#cbd5e1e6!important}html[data-app-surface=front][data-theme=dark] .quiz-card__head{background:linear-gradient(180deg,#4a90e233,#4a90e20f)!important}html[data-app-surface=front][data-theme=dark] .quiz-card__head--personal{background:linear-gradient(180deg,#ff85a22e,#ff85a20f)!important}html[data-app-surface=front][data-theme=dark] .empty-state{background:var(--panel-bg)!important;border-color:var(--panel-border)!important}html[data-app-surface=front][data-theme=dark] .quiz-card h3,html[data-app-surface=front][data-theme=dark] .quiz-card .font-bold{color:#f1f5f9!important}html[data-app-surface=front][data-theme=dark] .text-gray-400{color:#94a3b8f2!important}html[data-app-surface=front][data-theme=dark] .echo-modal-input{background:#1e293be6!important;border-color:#94a3b859!important;color:#e2e8f0!important}html[data-app-surface=front][data-theme=dark] .practice-root{background:radial-gradient(1200px 600px at 10% 0%,rgba(74,144,226,.1),transparent 60%),radial-gradient(900px 500px at 90% 20%,rgba(255,133,162,.08),transparent 55%),linear-gradient(180deg,#0b1220,#0f172a)!important}html[data-app-surface=front][data-theme=dark] .main-panel,html[data-app-surface=front][data-theme=dark] .left-panel,html[data-app-surface=front][data-theme=dark] .side-panel{background:var(--panel-bg)!important;border-color:var(--panel-border)!important;box-shadow:0 16px 36px #00000059!important}html[data-app-surface=front][data-theme=dark] .info-item{background:linear-gradient(180deg,#1e293bf2,#0f172ae0)!important;border-color:#94a3b847!important}html[data-app-surface=front][data-theme=dark] .question-header{background:linear-gradient(90deg,#4a90e226,#0f172a80)!important;border-color:#4a90e240!important}html[data-app-surface=front][data-theme=dark] .option-card{background:#1e293be0!important;border-color:#94a3b84d!important;color:#e2e8f0!important}html[data-app-surface=front][data-theme=dark] .option-item:hover{background-color:#4a90e22e!important}html[data-app-surface=front][data-theme=dark] .option-selected{background:linear-gradient(135deg,#4a90e247,#4a90e21f)!important;border-color:#4a90e2!important}html[data-app-surface=front][data-theme=dark] .btn-action--neutral,html[data-app-surface=front][data-theme=dark] .btn-action--neutral-soft,html[data-app-surface=front][data-theme=dark] .btn-action--primary-soft{color:#e2e8f0!important}html[data-app-surface=front][data-theme=dark] .btn-action--neutral{background:linear-gradient(135deg,#33415599,#1e293bcc)!important;border-color:#94a3b859!important}html[data-app-surface=front][data-theme=dark] .btn-action--neutral-soft{background:linear-gradient(180deg,#334155bf,#1e293be6)!important;border-color:#94a3b84d!important}html[data-app-surface=front][data-theme=dark] .btn-action--primary-soft{background:linear-gradient(180deg,#4a90e240,#4a90e21f)!important;border-color:#4a90e266!important;color:#93c5fd!important}html[data-app-surface=front][data-theme=dark] .practice-root textarea,html[data-app-surface=front][data-theme=dark] .practice-root input[type=text]{background:#1e293be6!important;border-color:#94a3b859!important;color:#e2e8f0!important}html[data-app-surface=front][data-theme=dark] .practice-root .bg-gray-200{background-color:#334155cc!important}html[data-app-surface=front][data-theme=dark] #explanationArea{background:linear-gradient(to bottom right,#1e3a5f73,#1e293b8c)!important;border-color:#4a90e24d!important}html[data-app-surface=front][data-theme=dark] #explanationArea .text-gray-700{color:#cbd5e1!important}html[data-app-surface=front][data-theme=dark] .border-blue-100{border-color:#4a90e24d!important}html[data-app-surface=front][data-theme=dark] .practice-ai-sheet,html[data-app-surface=front][data-theme=dark] .modal-sheet,html[data-app-surface=front][data-theme=dark] .echo-modal-panel{background:#0f172afa!important;color:#e2e8f0!important}html[data-app-surface=front][data-theme=dark] .sheet-header{background:#0f172afa!important;border-bottom-color:#94a3b840!important}html[data-app-surface=front][data-theme=dark] .sheet-header h3,html[data-app-surface=front][data-theme=dark] .sheet-header .text-lg{color:#f1f5f9!important}html[data-app-surface=front][data-theme=dark] .sheet-header .text-gray-600{color:#cbd5e1e6!important}html[data-app-surface=front][data-theme=dark] .sheet-header button{color:#94a3b8!important}html[data-app-surface=front][data-theme=dark] .sheet-header button:hover{color:#e2e8f0!important;background:#334155a6!important}html[data-app-surface=front][data-theme=dark] .sheet-body{background:#0f172afa!important}html[data-app-surface=front][data-theme=dark] .sheet-handle{background:#94a3b873!important}html[data-app-surface=front][data-theme=dark] .num-card{background-color:#1e293bf2!important;border-color:#94a3b859!important;color:#e2e8f0!important}html[data-app-surface=front][data-theme=dark] .num-card.current{background:linear-gradient(135deg,#4a90e252,#ff85a238)!important;border-color:#60a5fabf!important;color:#bfdbfe!important;box-shadow:0 0 0 2px #4a90e259!important}html[data-app-surface=front][data-theme=dark] .num-card.correct:not(.current){background:linear-gradient(180deg,#064e3b8c,#065f4661)!important;border-color:#86efac!important;color:#6ee7b7!important}html[data-app-surface=front][data-theme=dark] .num-card.wrong:not(.current){background:linear-gradient(180deg,#7f1d1d80,#991b1b61)!important;border-color:#fca5a5!important;color:#fca5a5!important}html[data-app-surface=front][data-theme=dark] .sheet-body .border-gray-200{background:#1e293be0!important;border-color:#94a3b84d!important;color:#e2e8f0!important}html[data-app-surface=front][data-theme=dark] .sheet-body .border-gray-200:hover{background:#334155d9!important;border-color:#4a90e273!important}html[data-app-surface=front][data-theme=dark] .sheet-body .border-primary{background:#4a90e238!important;border-color:#4a90e28c!important;color:#f1f5f9!important}html[data-app-surface=front][data-theme=dark] .num-grid-tabs{background:#0f172aa6!important;border-color:#94a3b833!important}html[data-app-surface=front][data-theme=dark] .num-grid-tab{background:#1e293beb!important;border-color:#94a3b847!important;color:#94a3b8b8!important;box-shadow:none!important}html[data-app-surface=front][data-theme=dark] .num-grid-tab:hover:not(.num-grid-tab--active){border-color:#94a3b873!important;color:#94a3b8!important;background:#334155e0!important}html[data-app-surface=front][data-theme=dark] .num-grid-tab--active{background:linear-gradient(135deg,#4a90e2,#357abd)!important;border-color:#60a5fa!important;color:#fff!important;box-shadow:0 3px 12px #4a90e26b!important}html[data-app-surface=front][data-theme=dark] .sheet-body .font-semibold,html[data-app-surface=front][data-theme=dark] .main-panel .font-medium,html[data-app-surface=front][data-theme=dark] .main-panel #questionText,html[data-app-surface=front][data-theme=dark] .left-panel .font-semibold,html[data-app-surface=front][data-theme=dark] .side-panel .font-semibold{color:#f1f5f9!important}html[data-app-surface=front][data-theme=dark] .option-item span.text-base{color:#e2e8f0!important}html[data-app-surface=front][data-font-size=small]{font-size:14px}html[data-app-surface=front][data-font-size=medium]{font-size:16px}html[data-app-surface=front][data-font-size=large]{font-size:18px}html[data-app-surface=front] body{background:var(--app-bg);color:var(--app-text);font-family:var(--app-font-family)}.font-comic{font-family:var(--app-font-family)}.pp-music-fab,.music-dock__toggle{background:linear-gradient(135deg,#e67e22,#f5b041)!important;color:#fff!important;border:1px solid rgba(146,64,14,.35)!important;box-shadow:0 8px 22px #e67e2261,0 0 0 1px #0f172a14!important}.pp-music-fab:hover,.music-dock__toggle:hover{filter:brightness(1.06)}.pp-music-fab:active,.music-dock__toggle:active{filter:brightness(.96)}.pp-music-fab .fa,.music-dock__toggle .fa{color:#fff!important}html[data-app-surface=front][data-theme=dark] .pp-music-fab,html[data-app-surface=front][data-theme=dark] .music-dock__toggle{border-color:#fbbf2473!important;box-shadow:0 10px 26px #00000073,0 0 0 1px #fbbf2433!important}pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}/*!
  Theme: GitHub Dark
  Description: Dark theme as seen on github.com
  Author: github.com
  Maintainer: @Hirse
  Updated: 2021-05-15

  Outdated base version: https://github.com/primer/github-syntax-dark
  Current colors taken from GitHub's CSS
*/.hljs{color:#c9d1d9;background:#0d1117}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#ff7b72}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#d2a8ff}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id,.hljs-variable{color:#79c0ff}.hljs-meta .hljs-string,.hljs-regexp,.hljs-string{color:#a5d6ff}.hljs-built_in,.hljs-symbol{color:#ffa657}.hljs-code,.hljs-comment,.hljs-formula{color:#8b949e}.hljs-name,.hljs-quote,.hljs-selector-pseudo,.hljs-selector-tag{color:#7ee787}.hljs-subst{color:#c9d1d9}.hljs-section{color:#1f6feb;font-weight:700}.hljs-bullet{color:#f2cc60}.hljs-emphasis{color:#c9d1d9;font-style:italic}.hljs-strong{color:#c9d1d9;font-weight:700}.hljs-addition{color:#aff5b4;background-color:#033a16}.hljs-deletion{color:#ffdcd7;background-color:#67060c}.markdown-body{--base-size-16: 1rem;--base-size-24: 1.5rem;--base-size-4: .25rem;--base-size-40: 2.5rem;--base-size-8: .5rem;--base-text-weight-medium: 500;--base-text-weight-normal: 400;--base-text-weight-semibold: 600;--fontStack-monospace: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;--fontStack-sansSerif: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--fgColor-accent: Highlight}@media(prefers-color-scheme:dark){.markdown-body,[data-theme=dark]{color-scheme:dark;--fgColor-accent: #4493f8;--bgColor-attention-muted: #bb800926;--bgColor-default: #0d1117;--bgColor-muted: #151b23;--bgColor-neutral-muted: #656c7633;--borderColor-accent-emphasis: #1f6feb;--borderColor-attention-emphasis: #9e6a03;--borderColor-danger-emphasis: #da3633;--borderColor-default: #3d444d;--borderColor-done-emphasis: #8957e5;--borderColor-success-emphasis: #238636;--color-prettylights-syntax-brackethighlighter-angle: #9198a1;--color-prettylights-syntax-brackethighlighter-unmatched: #f85149;--color-prettylights-syntax-carriage-return-bg: #b62324;--color-prettylights-syntax-carriage-return-text: #f0f6fc;--color-prettylights-syntax-comment: #9198a1;--color-prettylights-syntax-constant: #79c0ff;--color-prettylights-syntax-constant-other-reference-link: #a5d6ff;--color-prettylights-syntax-entity: #d2a8ff;--color-prettylights-syntax-entity-tag: #7ee787;--color-prettylights-syntax-keyword: #ff7b72;--color-prettylights-syntax-markup-bold: #f0f6fc;--color-prettylights-syntax-markup-changed-bg: #5a1e02;--color-prettylights-syntax-markup-changed-text: #ffdfb6;--color-prettylights-syntax-markup-deleted-bg: #67060c;--color-prettylights-syntax-markup-deleted-text: #ffdcd7;--color-prettylights-syntax-markup-heading: #1f6feb;--color-prettylights-syntax-markup-ignored-bg: #1158c7;--color-prettylights-syntax-markup-ignored-text: #f0f6fc;--color-prettylights-syntax-markup-inserted-bg: #033a16;--color-prettylights-syntax-markup-inserted-text: #aff5b4;--color-prettylights-syntax-markup-italic: #f0f6fc;--color-prettylights-syntax-markup-list: #f2cc60;--color-prettylights-syntax-meta-diff-range: #d2a8ff;--color-prettylights-syntax-storage-modifier-import: #f0f6fc;--color-prettylights-syntax-string: #a5d6ff;--color-prettylights-syntax-string-regexp: #7ee787;--color-prettylights-syntax-sublimelinter-gutter-mark: #3d444d;--color-prettylights-syntax-variable: #ffa657;--fgColor-attention: #d29922;--fgColor-danger: #f85149;--fgColor-default: #f0f6fc;--fgColor-done: #ab7df8;--fgColor-muted: #9198a1;--fgColor-success: #3fb950;--borderColor-muted: #3d444db3;--color-prettylights-syntax-invalid-illegal-bg: var(--bgColor-danger-muted);--color-prettylights-syntax-invalid-illegal-text: var(--fgColor-danger);--focus-outlineColor: var(--borderColor-accent-emphasis);--borderColor-neutral-muted: var(--borderColor-muted)}}@media(prefers-color-scheme:light){.markdown-body,[data-theme=light]{color-scheme:light;--fgColor-danger: #d1242f;--bgColor-attention-muted: #fff8c5;--bgColor-muted: #f6f8fa;--bgColor-neutral-muted: #818b981f;--borderColor-accent-emphasis: #0969da;--borderColor-attention-emphasis: #9a6700;--borderColor-danger-emphasis: #cf222e;--borderColor-default: #d1d9e0;--borderColor-done-emphasis: #8250df;--borderColor-success-emphasis: #1a7f37;--color-prettylights-syntax-brackethighlighter-angle: #59636e;--color-prettylights-syntax-brackethighlighter-unmatched: #82071e;--color-prettylights-syntax-carriage-return-bg: #cf222e;--color-prettylights-syntax-carriage-return-text: #f6f8fa;--color-prettylights-syntax-comment: #59636e;--color-prettylights-syntax-constant: #0550ae;--color-prettylights-syntax-constant-other-reference-link: #0a3069;--color-prettylights-syntax-entity: #6639ba;--color-prettylights-syntax-entity-tag: #0550ae;--color-prettylights-syntax-invalid-illegal-text: var(--fgColor-danger);--color-prettylights-syntax-keyword: #cf222e;--color-prettylights-syntax-markup-changed-bg: #ffd8b5;--color-prettylights-syntax-markup-changed-text: #953800;--color-prettylights-syntax-markup-deleted-bg: #ffebe9;--color-prettylights-syntax-markup-deleted-text: #82071e;--color-prettylights-syntax-markup-heading: #0550ae;--color-prettylights-syntax-markup-ignored-bg: #0550ae;--color-prettylights-syntax-markup-ignored-text: #d1d9e0;--color-prettylights-syntax-markup-inserted-bg: #dafbe1;--color-prettylights-syntax-markup-inserted-text: #116329;--color-prettylights-syntax-markup-list: #3b2300;--color-prettylights-syntax-meta-diff-range: #8250df;--color-prettylights-syntax-string: #0a3069;--color-prettylights-syntax-string-regexp: #116329;--color-prettylights-syntax-sublimelinter-gutter-mark: #818b98;--color-prettylights-syntax-variable: #953800;--fgColor-accent: #0969da;--fgColor-attention: #9a6700;--fgColor-done: #8250df;--fgColor-muted: #59636e;--fgColor-success: #1a7f37;--bgColor-default: #ffffff;--borderColor-muted: #d1d9e0b3;--color-prettylights-syntax-invalid-illegal-bg: var(--bgColor-danger-muted);--color-prettylights-syntax-markup-bold: #1f2328;--color-prettylights-syntax-markup-italic: #1f2328;--color-prettylights-syntax-storage-modifier-import: #1f2328;--fgColor-default: #1f2328;--focus-outlineColor: var(--borderColor-accent-emphasis);--borderColor-neutral-muted: var(--borderColor-muted)}}.markdown-body{-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;margin:0;font-weight:var(--base-text-weight-normal, 400);color:var(--fgColor-default);background-color:var(--bgColor-default);font-family:var(--fontStack-sansSerif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji");font-size:16px;line-height:1.5;word-wrap:break-word}.markdown-body a{text-decoration:underline;text-underline-offset:.2rem}.markdown-body .octicon{display:inline-block;fill:currentColor;vertical-align:text-bottom}.markdown-body h1:hover .anchor .octicon-link:before,.markdown-body h2:hover .anchor .octicon-link:before,.markdown-body h3:hover .anchor .octicon-link:before,.markdown-body h4:hover .anchor .octicon-link:before,.markdown-body h5:hover .anchor .octicon-link:before,.markdown-body h6:hover .anchor .octicon-link:before{width:16px;height:16px;content:" ";display:inline-block;background-color:currentColor;-webkit-mask-image:url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' version='1.1' aria-hidden='true'><path fill-rule='evenodd' d='M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z'></path></svg>");mask-image:url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' version='1.1' aria-hidden='true'><path fill-rule='evenodd' d='M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z'></path></svg>")}.markdown-body details,.markdown-body figcaption,.markdown-body figure{display:block}.markdown-body summary{display:list-item}.markdown-body [hidden]{display:none!important}.markdown-body a{background-color:#0000;color:var(--fgColor-accent);text-decoration:none}.markdown-body abbr[title]{border-bottom:none;-webkit-text-decoration:underline dotted;text-decoration:underline dotted}.markdown-body b,.markdown-body strong{font-weight:var(--base-text-weight-semibold, 600)}.markdown-body dfn{font-style:italic}.markdown-body h1{margin:.67em 0;font-weight:var(--base-text-weight-semibold, 600);padding-bottom:.3em;font-size:2em;border-bottom:1px solid var(--borderColor-muted)}.markdown-body mark{background-color:var(--bgColor-attention-muted);color:var(--fgColor-default)}.markdown-body small{font-size:90%}.markdown-body sub,.markdown-body sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}.markdown-body sub{bottom:-.25em}.markdown-body sup{top:-.5em}.markdown-body img{border-style:none;max-width:100%;box-sizing:content-box}.markdown-body code,.markdown-body kbd,.markdown-body pre,.markdown-body samp{font-family:monospace;font-size:1em}.markdown-body figure{margin:1em var(--base-size-40)}.markdown-body hr{box-sizing:content-box;overflow:hidden;background:#0000;border-bottom:1px solid var(--borderColor-muted);height:.25em;padding:0;margin:var(--base-size-24) 0;background-color:var(--borderColor-default);border:0}.markdown-body input{font:inherit;margin:0;overflow:visible;font-family:inherit;font-size:inherit;line-height:inherit}.markdown-body [type=button],.markdown-body [type=reset],.markdown-body [type=submit]{-webkit-appearance:button;-moz-appearance:button;appearance:button}.markdown-body [type=checkbox],.markdown-body [type=radio]{box-sizing:border-box;padding:0}.markdown-body [type=number]::-webkit-inner-spin-button,.markdown-body [type=number]::-webkit-outer-spin-button{height:auto}.markdown-body [type=search]::-webkit-search-cancel-button,.markdown-body [type=search]::-webkit-search-decoration{-webkit-appearance:none;-moz-appearance:none;appearance:none}.markdown-body ::-webkit-input-placeholder{color:inherit;opacity:.54}.markdown-body ::-webkit-file-upload-button{-webkit-appearance:button;-moz-appearance:button;appearance:button;font:inherit}.markdown-body a:hover{text-decoration:underline}.markdown-body ::placeholder{color:var(--fgColor-muted);opacity:1}.markdown-body hr:before{display:table;content:""}.markdown-body hr:after{display:table;clear:both;content:""}.markdown-body table{border-spacing:0;border-collapse:collapse;display:block;width:max-content;max-width:100%;overflow:auto;font-variant:tabular-nums}.markdown-body td,.markdown-body th{padding:0}.markdown-body details summary{cursor:pointer}.markdown-body a:focus,.markdown-body [role=button]:focus,.markdown-body input[type=radio]:focus,.markdown-body input[type=checkbox]:focus{outline:2px solid var(--focus-outlineColor);outline-offset:-2px;box-shadow:none}.markdown-body a:focus:not(:focus-visible),.markdown-body [role=button]:focus:not(:focus-visible),.markdown-body input[type=radio]:focus:not(:focus-visible),.markdown-body input[type=checkbox]:focus:not(:focus-visible){outline:solid 1px rgba(0,0,0,0)}.markdown-body a:focus-visible,.markdown-body [role=button]:focus-visible,.markdown-body input[type=radio]:focus-visible,.markdown-body input[type=checkbox]:focus-visible{outline:2px solid var(--focus-outlineColor);outline-offset:-2px;box-shadow:none}.markdown-body a:not([class]):focus,.markdown-body a:not([class]):focus-visible,.markdown-body input[type=radio]:focus,.markdown-body input[type=radio]:focus-visible,.markdown-body input[type=checkbox]:focus,.markdown-body input[type=checkbox]:focus-visible{outline-offset:0}.markdown-body kbd{display:inline-block;padding:var(--base-size-4);font:11px var(--fontStack-monospace, ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace);line-height:10px;color:var(--fgColor-default);vertical-align:middle;background-color:var(--bgColor-muted);border:solid 1px var(--borderColor-neutral-muted);border-bottom-color:var(--borderColor-neutral-muted);border-radius:6px;box-shadow:inset 0 -1px 0 var(--borderColor-neutral-muted)}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6{margin-top:var(--base-size-24);margin-bottom:var(--base-size-16);font-weight:var(--base-text-weight-semibold, 600);line-height:1.25}.markdown-body h2{font-weight:var(--base-text-weight-semibold, 600);padding-bottom:.3em;font-size:1.5em;border-bottom:1px solid var(--borderColor-muted)}.markdown-body h3{font-weight:var(--base-text-weight-semibold, 600);font-size:1.25em}.markdown-body h4{font-weight:var(--base-text-weight-semibold, 600);font-size:1em}.markdown-body h5{font-weight:var(--base-text-weight-semibold, 600);font-size:.875em}.markdown-body h6{font-weight:var(--base-text-weight-semibold, 600);font-size:.85em;color:var(--fgColor-muted)}.markdown-body p{margin-top:0;margin-bottom:10px}.markdown-body blockquote{margin:0;padding:0 1em;color:var(--fgColor-muted);border-left:.25em solid var(--borderColor-default)}.markdown-body ul,.markdown-body ol{margin-top:0;margin-bottom:0;padding-left:2em}.markdown-body ol ol,.markdown-body ul ol{list-style-type:lower-roman}.markdown-body ul ul ol,.markdown-body ul ol ol,.markdown-body ol ul ol,.markdown-body ol ol ol{list-style-type:lower-alpha}.markdown-body dd{margin-left:0}.markdown-body tt,.markdown-body code,.markdown-body samp{font-family:var(--fontStack-monospace, ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace);font-size:12px}.markdown-body pre{margin-top:0;margin-bottom:0;font-family:var(--fontStack-monospace, ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace);font-size:12px;word-wrap:normal}.markdown-body .octicon{display:inline-block;overflow:visible!important;vertical-align:text-bottom;fill:currentColor}.markdown-body input::-webkit-outer-spin-button,.markdown-body input::-webkit-inner-spin-button{margin:0;-webkit-appearance:none;-moz-appearance:none;appearance:none}.markdown-body .mr-2{margin-right:var(--base-size-8, 8px)!important}.markdown-body:before{display:table;content:""}.markdown-body:after{display:table;clear:both;content:""}.markdown-body>*:first-child{margin-top:0!important}.markdown-body>*:last-child{margin-bottom:0!important}.markdown-body a:not([href]){color:inherit;text-decoration:none}.markdown-body .absent{color:var(--fgColor-danger)}.markdown-body .anchor{float:left;padding-right:var(--base-size-4);margin-left:-20px;line-height:1}.markdown-body .anchor:focus{outline:none}.markdown-body p,.markdown-body blockquote,.markdown-body ul,.markdown-body ol,.markdown-body dl,.markdown-body table,.markdown-body pre,.markdown-body details{margin-top:0;margin-bottom:var(--base-size-16)}.markdown-body blockquote>:first-child{margin-top:0}.markdown-body blockquote>:last-child{margin-bottom:0}.markdown-body h1 .octicon-link,.markdown-body h2 .octicon-link,.markdown-body h3 .octicon-link,.markdown-body h4 .octicon-link,.markdown-body h5 .octicon-link,.markdown-body h6 .octicon-link{color:var(--fgColor-default);vertical-align:middle;visibility:hidden}.markdown-body h1:hover .anchor,.markdown-body h2:hover .anchor,.markdown-body h3:hover .anchor,.markdown-body h4:hover .anchor,.markdown-body h5:hover .anchor,.markdown-body h6:hover .anchor{text-decoration:none}.markdown-body h1:hover .anchor .octicon-link,.markdown-body h2:hover .anchor .octicon-link,.markdown-body h3:hover .anchor .octicon-link,.markdown-body h4:hover .anchor .octicon-link,.markdown-body h5:hover .anchor .octicon-link,.markdown-body h6:hover .anchor .octicon-link{visibility:visible}.markdown-body h1 tt,.markdown-body h1 code,.markdown-body h2 tt,.markdown-body h2 code,.markdown-body h3 tt,.markdown-body h3 code,.markdown-body h4 tt,.markdown-body h4 code,.markdown-body h5 tt,.markdown-body h5 code,.markdown-body h6 tt,.markdown-body h6 code{padding:0 .2em;font-size:inherit}.markdown-body summary h1,.markdown-body summary h2,.markdown-body summary h3,.markdown-body summary h4,.markdown-body summary h5,.markdown-body summary h6{display:inline-block}.markdown-body summary h1 .anchor,.markdown-body summary h2 .anchor,.markdown-body summary h3 .anchor,.markdown-body summary h4 .anchor,.markdown-body summary h5 .anchor,.markdown-body summary h6 .anchor{margin-left:-40px}.markdown-body summary h1,.markdown-body summary h2{padding-bottom:0;border-bottom:0}.markdown-body ul.no-list,.markdown-body ol.no-list{padding:0;list-style-type:none}.markdown-body ol[type="a s"]{list-style-type:lower-alpha}.markdown-body ol[type="A s"]{list-style-type:upper-alpha}.markdown-body ol[type="i s"]{list-style-type:lower-roman}.markdown-body ol[type="I s"]{list-style-type:upper-roman}.markdown-body ol[type="1"]{list-style-type:decimal}.markdown-body div>ol:not([type]){list-style-type:decimal}.markdown-body ul ul,.markdown-body ul ol,.markdown-body ol ol,.markdown-body ol ul{margin-top:0;margin-bottom:0}.markdown-body li>p{margin-top:var(--base-size-16)}.markdown-body li+li{margin-top:.25em}.markdown-body dl{padding:0}.markdown-body dl dt{padding:0;margin-top:var(--base-size-16);font-size:1em;font-style:italic;font-weight:var(--base-text-weight-semibold, 600)}.markdown-body dl dd{padding:0 var(--base-size-16);margin-bottom:var(--base-size-16)}.markdown-body table th{font-weight:var(--base-text-weight-semibold, 600)}.markdown-body table th,.markdown-body table td{padding:6px 13px;border:1px solid var(--borderColor-default)}.markdown-body table td>:last-child{margin-bottom:0}.markdown-body table tr{background-color:var(--bgColor-default);border-top:1px solid var(--borderColor-muted)}.markdown-body table tr:nth-child(2n){background-color:var(--bgColor-muted)}.markdown-body table img{background-color:#0000}.markdown-body img[align=right]{padding-left:20px}.markdown-body img[align=left]{padding-right:20px}.markdown-body .emoji{max-width:none;vertical-align:text-top;background-color:#0000}.markdown-body span.frame{display:block;overflow:hidden}.markdown-body span.frame>span{display:block;float:left;width:auto;padding:7px;margin:13px 0 0;overflow:hidden;border:1px solid var(--borderColor-default)}.markdown-body span.frame span img{display:block;float:left}.markdown-body span.frame span span{display:block;padding:5px 0 0;clear:both;color:var(--fgColor-default)}.markdown-body span.align-center{display:block;overflow:hidden;clear:both}.markdown-body span.align-center>span{display:block;margin:13px auto 0;overflow:hidden;text-align:center}.markdown-body span.align-center span img{margin:0 auto;text-align:center}.markdown-body span.align-right{display:block;overflow:hidden;clear:both}.markdown-body span.align-right>span{display:block;margin:13px 0 0;overflow:hidden;text-align:right}.markdown-body span.align-right span img{margin:0;text-align:right}.markdown-body span.float-left{display:block;float:left;margin-right:13px;overflow:hidden}.markdown-body span.float-left span{margin:13px 0 0}.markdown-body span.float-right{display:block;float:right;margin-left:13px;overflow:hidden}.markdown-body span.float-right>span{display:block;margin:13px auto 0;overflow:hidden;text-align:right}.markdown-body code,.markdown-body tt{padding:.2em .4em;margin:0;font-size:85%;white-space:break-spaces;background-color:var(--bgColor-neutral-muted);border-radius:6px}.markdown-body code br,.markdown-body tt br{display:none}.markdown-body del code{text-decoration:inherit}.markdown-body samp{font-size:85%}.markdown-body pre code{font-size:100%}.markdown-body pre>code{padding:0;margin:0;word-break:normal;white-space:pre;background:#0000;border:0}.markdown-body .highlight{margin-bottom:var(--base-size-16)}.markdown-body .highlight pre{margin-bottom:0;word-break:normal}.markdown-body .highlight pre,.markdown-body pre{padding:var(--base-size-16);overflow:auto;font-size:85%;line-height:1.45;color:var(--fgColor-default);background-color:var(--bgColor-muted);border-radius:6px}.markdown-body pre code,.markdown-body pre tt{display:inline;padding:0;margin:0;overflow:visible;line-height:inherit;word-wrap:normal;background-color:#0000;border:0}.markdown-body .csv-data td,.markdown-body .csv-data th{padding:5px;overflow:hidden;font-size:12px;line-height:1;text-align:left;white-space:nowrap}.markdown-body .csv-data .blob-num{padding:10px var(--base-size-8) 9px;text-align:right;background:var(--bgColor-default);border:0}.markdown-body .csv-data tr{border-top:0}.markdown-body .csv-data th{font-weight:var(--base-text-weight-semibold, 600);background:var(--bgColor-muted);border-top:0}.markdown-body [data-footnote-ref]:before{content:"["}.markdown-body [data-footnote-ref]:after{content:"]"}.markdown-body .footnotes{font-size:12px;color:var(--fgColor-muted);border-top:1px solid var(--borderColor-default)}.markdown-body .footnotes ol{padding-left:var(--base-size-16)}.markdown-body .footnotes ol ul{display:inline-block;padding-left:var(--base-size-16);margin-top:var(--base-size-16)}.markdown-body .footnotes li{position:relative}.markdown-body .footnotes li:target:before{position:absolute;top:calc(var(--base-size-8)*-1);right:calc(var(--base-size-8)*-1);bottom:calc(var(--base-size-8)*-1);left:calc(var(--base-size-24)*-1);pointer-events:none;content:"";border:2px solid var(--borderColor-accent-emphasis);border-radius:6px}.markdown-body .footnotes li:target{color:var(--fgColor-default)}.markdown-body .footnotes .data-footnote-backref g-emoji{font-family:monospace}.markdown-body .pl-c{color:var(--color-prettylights-syntax-comment)}.markdown-body .pl-c1,.markdown-body .pl-s .pl-v{color:var(--color-prettylights-syntax-constant)}.markdown-body .pl-e,.markdown-body .pl-en{color:var(--color-prettylights-syntax-entity)}.markdown-body .pl-smi,.markdown-body .pl-s .pl-s1{color:var(--color-prettylights-syntax-storage-modifier-import)}.markdown-body .pl-ent{color:var(--color-prettylights-syntax-entity-tag)}.markdown-body .pl-k{color:var(--color-prettylights-syntax-keyword)}.markdown-body .pl-s,.markdown-body .pl-pds,.markdown-body .pl-s .pl-pse .pl-s1,.markdown-body .pl-sr,.markdown-body .pl-sr .pl-cce,.markdown-body .pl-sr .pl-sre,.markdown-body .pl-sr .pl-sra{color:var(--color-prettylights-syntax-string)}.markdown-body .pl-v,.markdown-body .pl-smw{color:var(--color-prettylights-syntax-variable)}.markdown-body .pl-bu{color:var(--color-prettylights-syntax-brackethighlighter-unmatched)}.markdown-body .pl-ii{color:var(--color-prettylights-syntax-invalid-illegal-text);background-color:var(--color-prettylights-syntax-invalid-illegal-bg)}.markdown-body .pl-c2{color:var(--color-prettylights-syntax-carriage-return-text);background-color:var(--color-prettylights-syntax-carriage-return-bg)}.markdown-body .pl-sr .pl-cce{font-weight:700;color:var(--color-prettylights-syntax-string-regexp)}.markdown-body .pl-ml{color:var(--color-prettylights-syntax-markup-list)}.markdown-body .pl-mh,.markdown-body .pl-mh .pl-en,.markdown-body .pl-ms{font-weight:700;color:var(--color-prettylights-syntax-markup-heading)}.markdown-body .pl-mi{font-style:italic;color:var(--color-prettylights-syntax-markup-italic)}.markdown-body .pl-mb{font-weight:700;color:var(--color-prettylights-syntax-markup-bold)}.markdown-body .pl-md{color:var(--color-prettylights-syntax-markup-deleted-text);background-color:var(--color-prettylights-syntax-markup-deleted-bg)}.markdown-body .pl-mi1{color:var(--color-prettylights-syntax-markup-inserted-text);background-color:var(--color-prettylights-syntax-markup-inserted-bg)}.markdown-body .pl-mc{color:var(--color-prettylights-syntax-markup-changed-text);background-color:var(--color-prettylights-syntax-markup-changed-bg)}.markdown-body .pl-mi2{color:var(--color-prettylights-syntax-markup-ignored-text);background-color:var(--color-prettylights-syntax-markup-ignored-bg)}.markdown-body .pl-mdr{font-weight:700;color:var(--color-prettylights-syntax-meta-diff-range)}.markdown-body .pl-ba{color:var(--color-prettylights-syntax-brackethighlighter-angle)}.markdown-body .pl-sg{color:var(--color-prettylights-syntax-sublimelinter-gutter-mark)}.markdown-body .pl-corl{text-decoration:underline;color:var(--color-prettylights-syntax-constant-other-reference-link)}.markdown-body [role=button]:focus:not(:focus-visible),.markdown-body [role=tabpanel][tabindex="0"]:focus:not(:focus-visible),.markdown-body button:focus:not(:focus-visible),.markdown-body summary:focus:not(:focus-visible),.markdown-body a:focus:not(:focus-visible){outline:none;box-shadow:none}.markdown-body [tabindex="0"]:focus:not(:focus-visible),.markdown-body details-dialog:focus:not(:focus-visible){outline:none}.markdown-body g-emoji{display:inline-block;min-width:1ch;font-family:"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol;font-size:1em;font-style:normal!important;font-weight:var(--base-text-weight-normal, 400);line-height:1;vertical-align:-.075em}.markdown-body g-emoji img{width:1em;height:1em}.markdown-body a:has(>p,>div,>pre,>blockquote){display:block}.markdown-body a:has(>p,>div,>pre,>blockquote):not(:has(.snippet-clipboard-content,>pre)){width:fit-content}.markdown-body a:has(>p,>div,>pre,>blockquote):has(.snippet-clipboard-content,>pre):focus-visible{outline:2px solid var(--focus-outlineColor);outline-offset:2px}.markdown-body .task-list-item{list-style-type:none}.markdown-body .task-list-item label{font-weight:var(--base-text-weight-normal, 400)}.markdown-body .task-list-item.enabled label{cursor:pointer}.markdown-body .task-list-item+.task-list-item{margin-top:var(--base-size-4)}.markdown-body .task-list-item .handle{display:none}.markdown-body .task-list-item-checkbox{margin:0 .2em .25em -1.4em;vertical-align:middle}.markdown-body ul:dir(rtl) .task-list-item-checkbox{margin:0 -1.6em .25em .2em}.markdown-body ol:dir(rtl) .task-list-item-checkbox{margin:0 -1.6em .25em .2em}.markdown-body .contains-task-list:hover .task-list-item-convert-container,.markdown-body .contains-task-list:focus-within .task-list-item-convert-container{display:block;width:auto;height:24px;overflow:visible;clip-path:none}.markdown-body ::-webkit-calendar-picker-indicator{filter:invert(50%)}.markdown-body .markdown-alert{padding:var(--base-size-8) var(--base-size-16);margin-bottom:var(--base-size-16);color:inherit;border-left:.25em solid var(--borderColor-default)}.markdown-body .markdown-alert>:first-child{margin-top:0}.markdown-body .markdown-alert>:last-child{margin-bottom:0}.markdown-body .markdown-alert .markdown-alert-title{display:flex;font-weight:var(--base-text-weight-medium, 500);align-items:center;line-height:1}.markdown-body .markdown-alert.markdown-alert-note{border-left-color:var(--borderColor-accent-emphasis)}.markdown-body .markdown-alert.markdown-alert-note .markdown-alert-title{color:var(--fgColor-accent)}.markdown-body .markdown-alert.markdown-alert-important{border-left-color:var(--borderColor-done-emphasis)}.markdown-body .markdown-alert.markdown-alert-important .markdown-alert-title{color:var(--fgColor-done)}.markdown-body .markdown-alert.markdown-alert-warning{border-left-color:var(--borderColor-attention-emphasis)}.markdown-body .markdown-alert.markdown-alert-warning .markdown-alert-title{color:var(--fgColor-attention)}.markdown-body .markdown-alert.markdown-alert-tip{border-left-color:var(--borderColor-success-emphasis)}.markdown-body .markdown-alert.markdown-alert-tip .markdown-alert-title{color:var(--fgColor-success)}.markdown-body .markdown-alert.markdown-alert-caution{border-left-color:var(--borderColor-danger-emphasis)}.markdown-body .markdown-alert.markdown-alert-caution .markdown-alert-title{color:var(--fgColor-danger)}.markdown-body>*:first-child>.heading-element:first-child{margin-top:0!important}.markdown-body .highlight pre:has(+.zeroclipboard-container){min-height:52px}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.17.0"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.assistant-md.markdown-body{--bgColor-default: #ffffff;--bgColor-muted: #fafafa;--bgColor-neutral-muted: #f5f5f5;--fgColor-default: #334155;--borderColor-default: #e5e7eb;--borderColor-muted: #e5e7eb;color-scheme:light}.assistant-md.markdown-body,.assistant-md-root,.ds-ai-md-root,.practice-ai-md-root{overflow-x:auto;line-height:1.7;word-break:break-word;background-color:transparent!important;font-size:.9375rem;color:#334155}.ds-ai-text--md .assistant-md.markdown-body,.ds-ai-text--md .ds-ai-md-root{font-size:inherit;color:inherit}.assistant-md.markdown-body>:first-child,.assistant-md__stable>:first-child,.assistant-md__tail>:first-child,.assistant-md-root>:first-child,.ds-ai-md-root>:first-child,.practice-ai-md-root>:first-child{margin-top:0}.assistant-md.markdown-body>:last-child,.assistant-md__stable>:last-child,.assistant-md__tail>:last-child,.assistant-md-root>:last-child,.ds-ai-md-root>:last-child,.practice-ai-md-root>:last-child{margin-bottom:0}.assistant-md__tail{display:inline}.assistant-md__tail>:first-child{display:inline;margin-top:0}.assistant-md.markdown-body :is(h1,h2,h3,h4,h5,h6),.assistant-md-root :where(h1,h2,h3,h4),.ds-ai-md-root :where(h1,h2,h3,h4),.practice-ai-md-root :where(h1,h2,h3,h4){margin:1.25em 0 .55em;font-weight:600;line-height:1.4;color:#111827;border-bottom:none;padding-bottom:0;letter-spacing:-.01em}.assistant-md.markdown-body h1,.assistant-md-root h1,.ds-ai-md-root h1{font-size:1.35em}.assistant-md.markdown-body h2,.assistant-md-root h2,.ds-ai-md-root h2{font-size:1.15em}.assistant-md.markdown-body h3,.assistant-md.markdown-body h4,.assistant-md-root h3,.assistant-md-root h4,.ds-ai-md-root h3,.ds-ai-md-root h4{font-size:1.02em;color:#1f2937}.assistant-md-root :where(p),.ds-ai-md-root :where(p),.practice-ai-md-root :where(p){margin:.6em 0}.assistant-md-root :where(strong),.ds-ai-md-root :where(strong),.practice-ai-md-root :where(strong){font-weight:600;color:#111827}.assistant-md-root :where(em),.ds-ai-md-root :where(em),.practice-ai-md-root :where(em){font-style:italic;color:#4b5563}.assistant-md-root :where(del),.ds-ai-md-root :where(del){color:#9ca3af}.assistant-md.markdown-body :is(ul,ol),.assistant-md-root :where(ul,ol),.ds-ai-md-root :where(ul,ol),.practice-ai-md-root :where(ul,ol){margin:.45em 0;padding-left:1.35em}.assistant-md.markdown-body li,.assistant-md-root :where(li),.ds-ai-md-root :where(li),.practice-ai-md-root :where(li){margin:.22em 0}.assistant-md.markdown-body li::marker{color:#9ca3af}.assistant-md.markdown-body input[type=checkbox]{margin-right:.4em;accent-color:#2563eb}.assistant-md.markdown-body blockquote,.assistant-md-root :where(blockquote),.ds-ai-md-root :where(blockquote),.practice-ai-md-root :where(blockquote){margin:.75em 0;padding:.45em 0 .45em .9em;border-left:3px solid #d1d5db;color:#6b7280;background:transparent;border-radius:0}.assistant-md.markdown-body :not(pre)>code,.assistant-md-root :not(pre)>code,.ds-ai-md-root :not(pre)>code,.practice-ai-md-root :not(pre)>code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:.86em;padding:.12em .35em;border-radius:.25rem;background:#f3f4f6;color:#1f2937;border:none}.assistant-md.markdown-body .assistant-md-table-wrap,.assistant-md.markdown-body table{display:block;width:100%;overflow-x:auto;margin:.85em 0;border-radius:.5rem;border:1px solid #e5e7eb;background:#fff!important}.assistant-md.markdown-body table{display:table;border-collapse:collapse;font-size:.875em;table-layout:auto}.assistant-md.markdown-body table tr{background-color:#fff!important}.assistant-md.markdown-body table thead tr{background-color:#f9fafb!important}.assistant-md.markdown-body table tbody tr:nth-child(2n){background-color:#fafafa!important}.assistant-md.markdown-body table th,.assistant-md.markdown-body table td,.assistant-md-root :where(th,td),.ds-ai-md-root :where(th,td),.practice-ai-md-root :where(th,td){border:1px solid #e5e7eb!important;padding:.45em .6em!important;text-align:left;vertical-align:top;word-break:break-word;color:#334155!important;background-color:inherit!important}.assistant-md.markdown-body table th,.assistant-md-root :where(th),.ds-ai-md-root :where(th),.practice-ai-md-root :where(th){font-weight:600;color:#111827!important;background-color:#f9fafb!important}.assistant-md.markdown-body table tbody tr:nth-child(2n) td{background-color:#fafafa!important}.assistant-md.markdown-body table tbody tr:nth-child(odd) td{background-color:#fff!important}.assistant-md.markdown-body table pre,.assistant-md.markdown-body table code,.assistant-md.markdown-body table .hljs{background:#f3f4f6!important;color:#1f2937!important;box-shadow:none!important}.assistant-md-root :where(pre.hljs),.ds-ai-md-root :where(pre.hljs),.practice-ai-md-root :where(pre.hljs){margin:.75em 0;padding:.85rem 1rem;overflow-x:auto;border-radius:.5rem;background:#f8fafc!important;color:#1e293b!important;font-size:.8125rem;line-height:1.6;border:1px solid #e5e7eb}.assistant-md-root pre.hljs code,.ds-ai-md-root pre.hljs code,.practice-ai-md-root pre.hljs code{display:block;width:max-content;min-width:100%;margin:0;padding:0;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:inherit;line-height:inherit;color:#1e293b!important;background:transparent!important;border-radius:0;white-space:pre;overflow:visible}.assistant-md .code-block-wrapper,.ds-ai-md-root .code-block-wrapper,.practice-ai-md-root .code-block-wrapper{border:1px solid #e5e7eb;border-radius:.5rem;overflow:hidden;margin:.85em 0;background:#f8fafc}.assistant-md .code-block-header,.ds-ai-md-root .code-block-header,.practice-ai-md-root .code-block-header{display:flex;justify-content:space-between;align-items:center;background:#f3f4f6;padding:6px 12px;border-bottom:1px solid #e5e7eb;font-family:ui-monospace,monospace;font-size:11px;color:#6b7280}.assistant-md .code-block-lang,.ds-ai-md-root .code-block-lang,.practice-ai-md-root .code-block-lang{text-transform:lowercase;font-weight:500;letter-spacing:.02em}.assistant-md .copy-action-btn,.ds-ai-md-root .copy-action-btn,.practice-ai-md-root .copy-action-btn{background:#fff;border:1px solid #e5e7eb;border-radius:.25rem;padding:2px 10px;cursor:pointer;font-size:11px;color:#6b7280;transition:background .12s,border-color .12s}.assistant-md .copy-action-btn:hover,.ds-ai-md-root .copy-action-btn:hover,.practice-ai-md-root .copy-action-btn:hover{background:#f9fafb;border-color:#d1d5db;color:#374151}.assistant-md .copy-action-btn.copied,.ds-ai-md-root .copy-action-btn.copied,.practice-ai-md-root .copy-action-btn.copied{color:#059669;border-color:#a7f3d0;background:#ecfdf5}.assistant-md .code-block-wrapper pre.hljs,.ds-ai-md-root .code-block-wrapper pre.hljs,.practice-ai-md-root .code-block-wrapper pre.hljs{margin:0!important;border-radius:0!important;border:none!important;background:#f8fafc!important;color:#1e293b!important}.assistant-md .code-block-wrapper .hljs-comment,.ds-ai-md-root .code-block-wrapper .hljs-comment{color:#6b7280;font-style:italic}.assistant-md .code-block-wrapper .hljs-keyword,.ds-ai-md-root .code-block-wrapper .hljs-keyword{color:#7c3aed}.assistant-md .code-block-wrapper .hljs-string,.ds-ai-md-root .code-block-wrapper .hljs-string{color:#059669}.assistant-md .code-block-wrapper .hljs-function,.assistant-md .code-block-wrapper .hljs-title,.ds-ai-md-root .code-block-wrapper .hljs-function,.ds-ai-md-root .code-block-wrapper .hljs-title{color:#2563eb}.assistant-md.markdown-body a,.assistant-md-root :where(a),.ds-ai-md-root :where(a),.practice-ai-md-root :where(a){color:#2563eb;text-decoration:none;border-bottom:1px solid #bfdbfe}.assistant-md.markdown-body a:hover,.assistant-md-root :where(a:hover),.ds-ai-md-root :where(a:hover),.practice-ai-md-root :where(a:hover){color:#1d4ed8;border-bottom-color:#93c5fd}.assistant-md.markdown-body hr,.assistant-md-root :where(hr),.ds-ai-md-root :where(hr),.practice-ai-md-root :where(hr){margin:1.25rem 0;border:none;border-top:1px solid #e5e7eb;height:0;background:transparent}.assistant-md .katex-display,.ds-ai-md-root .katex-display,.practice-ai-md-root .katex-display{overflow-x:auto;overflow-y:hidden;padding:.35em 0}.assistant-md-cursor{display:inline-block;margin-left:1px;color:#10b981;font-weight:600;animation:assistant-md-blink .85s step-end infinite;vertical-align:baseline}@keyframes assistant-md-blink{0%,to{opacity:1}50%{opacity:0}}.assistant-md-fallback{margin:0;white-space:pre-wrap}.sq-float-toast-stack{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);z-index:90050;display:flex;flex-direction:column;align-items:center;gap:.55rem;pointer-events:none;max-width:min(92vw,26rem)}.sq-float-toast{display:flex;align-items:flex-start;gap:.55rem;padding:.72rem 1rem;border-radius:999px;font-size:.84rem;line-height:1.45;color:#fff;box-shadow:0 10px 28px #0f172a2e;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:auto}.sq-float-toast--error{background:#b91c1cf0}.sq-float-toast--success{background:#0d6e6ef0}.sq-float-toast--info{background:#374151f0}.sq-float-toast__icon{flex-shrink:0;margin-top:.12rem;opacity:.95}.sq-float-toast__text{text-align:left;word-break:break-word}.sq-float-toast-enter-active,.sq-float-toast-leave-active{transition:opacity .28s ease,transform .28s ease}.sq-float-toast-enter-from,.sq-float-toast-leave-to{opacity:0;transform:scale(.94)}.sq-float-toast-move{transition:transform .28s ease}
