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var(--line-strong);background:var(--surface);color:var(--ink);touch-action:manipulation;border-radius:12px;flex:none;justify-content:center;align-items:center;padding:0;font-size:22px;line-height:1;display:inline-flex}.icon-btn:hover{background:var(--av-n-50)}.icon-btn:disabled{opacity:.4}.icon-btn.danger{color:var(--bad)}.icon-btn svg{display:block}.spacer{flex:1}.pill{border-radius:var(--av-radius-pill);background:var(--av-n-100);color:var(--av-n-700);white-space:nowrap;align-items:center;gap:6px;padding:4px 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.btn.on-night:focus-visible{outline-color:#fff}.appbar-account{align-self:stretch;align-items:center;min-width:0;max-width:min(320px,52vw)}.appbar-account-btn{min-width:0;max-width:100%}.appbar-account-email{text-overflow:ellipsis;min-width:0;overflow:hidden}.appbar-account-caret{border-top:5px solid;border-left:4px solid #0000;border-right:4px solid #0000;flex:none;width:0;height:0}.appbar-account-btn[aria-expanded=true] .appbar-account-caret{transform:rotate(180deg)}.crumbs{color:var(--muted);flex-wrap:wrap;align-items:center;gap:2px;margin:0 0 6px -12px;font-size:14px;display:flex}.crumbs a{min-height:var(--tap);border-radius:var(--av-radius-pill);color:var(--link);align-items:center;padding:0 12px;font-weight:700;display:inline-flex}.crumbs a:hover{background:var(--av-coral-50)}.crumbs .sep{color:var(--av-n-400)}.crumbs .here{color:var(--ink);padding:0 12px;font-weight:600}.page{width:100%;max-width:var(--av-container);margin:0 auto;padding:24px 32px 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0}.import-bar{border:2px dashed var(--av-n-300);border-radius:var(--radius);background:var(--surface);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;padding:16px 22px;display:flex}.import-bar.over{background:var(--av-coral-50);border-color:var(--av-coral)}.import-bar h2{font-size:var(--av-fs-h4);font-weight:800}.import-bar p{color:var(--muted);margin:4px 0 0;font-size:14.5px}.queue-line{flex-wrap:wrap;gap:6px;display:flex}.queue-actions{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px;display:flex}.setup-steps{flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 16px;padding:0;list-style:none;display:flex}.setup-steps li{background:var(--surface);border:1px solid var(--line);border-radius:999px;align-items:center;gap:8px;min-height:40px;padding:0 14px;font-weight:600;display:inline-flex}.setup-steps li b{background:var(--av-n-100);border-radius:50%;place-items:center;width:24px;height:24px;font-size:13px;display:grid}.setup-steps li.done b{background:var(--ok);color:#fff}.setup-steps li.todo b{background:var(--warn-soft);color:var(--warn)}.setup-steps li small{color:var(--subtle);font-weight:500}.setup-steps li.go{background:0 0;border:0;margin-left:auto;padding:0}.setup-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;display:grid}.setup-grid .field{background:0 0;border:0;gap:6px;padding:0;display:grid}.setup-grid .field>span{font-size:14px;font-weight:700}.file-rows{gap:6px;margin:8px 0 0;padding:0;list-style:none;display:grid}.file-rows li{background:var(--surface-2);border-radius:12px;flex-wrap:wrap;align-items:center;gap:10px;min-height:52px;padding:6px 12px;display:flex}.file-version{min-width:70px;font-weight:800}.file-name{overflow-wrap:anywhere}.q-summary h4{margin:14px 0 4px}.q-summary ul{margin:0;padding-left:18px;font-size:14.5px}.drop-zone{border:1px dashed var(--line);background:var(--surface-2);text-align:center;border-radius:14px;margin-top:10px;padding:22px 18px}.scheme-editor,.roster-editor{gap:16px;margin-top:12px;display:grid}.roster-table{border-collapse:collapse;width:100%}.roster-table th,.roster-table td{text-align:left;vertical-align:middle;padding:6px 8px}.roster-table input{border:1px solid var(--line);background:var(--surface);border-radius:8px;width:100%;padding:8px 10px}.student-nav{align-items:center;gap:4px;margin-left:8px;display:flex}.student-nav .hint{white-space:nowrap;margin:0}@media (max-width:760px){.student-nav .hint{display:none}}.setup-wait{background:var(--av-gold-50);border:1px solid #f5dca0;border-left:6px solid var(--av-coral);border-radius:var(--radius);box-shadow:var(--av-shadow-sm);margin:0 0 16px;padding:18px 22px 16px}.setup-wait-top{align-items:center;gap:16px;display:flex}.setup-wait-spinner{border:4px solid #ff6a3d38;border-top-color:var(--av-coral);border-radius:50%;flex:none;width:34px;height:34px;animation:.9s linear infinite setup-wait-spin}.setup-wait-text{flex:1;min-width:0}.setup-wait-text h2{margin:0;font-size:19px}.setup-wait-stay{color:var(--av-coral-700);margin:2px 0 0;font-size:17px;font-weight:800}.setup-wait-clock{text-align:right;flex:none;line-height:1.1}.setup-wait-clock b{font-variant-numeric:tabular-nums;font-size:22px;display:block}.setup-wait-clock span{color:var(--muted);font-size:12px}.setup-wait-bar{border-radius:var(--av-radius-pill);background:#1d1a3f1a;height:8px;margin:14px 0 12px;position:relative;overflow:hidden}.setup-wait-bar i{border-radius:inherit;background:var(--av-sunrise);width:38%;animation:1.5s ease-in-out infinite setup-wait-slide;position:absolute;top:0;bottom:0}.setup-wait-meta{margin:0;font-size:15px;line-height:1.45}.setup-wait-warn{color:var(--muted);margin:6px 0 0;font-size:13.5px}@keyframes setup-wait-spin{to{transform:rotate(360deg)}}@keyframes setup-wait-slide{0%{left:-40%}to{left:102%}}@media (prefers-reduced-motion:reduce){.setup-wait-spinner{animation-duration:3s}.setup-wait-bar i{opacity:.55;width:100%;animation:none;left:0}}.sc{gap:18px;margin-top:14px;display:grid}.sc textarea,.sc input{border:1px solid var(--line-strong);background:var(--surface);border-radius:10px;width:100%;min-height:40px;padding:9px 12px;line-height:1.5}.sc textarea{resize:none;display:block;overflow:hidden}.sc textarea:focus,.sc input:focus{outline:2px solid var(--av-coral);outline-offset:1px;border-color:#0000}.sc-summary{background:var(--av-n-50);border:1px solid var(--line);border-radius:14px;flex-wrap:wrap;align-items:center;gap:28px;padding:12px 18px;display:flex}.sc-summary>div:not(.sc-summary-actions){align-items:baseline;gap:8px;display:flex}.sc-summary b{letter-spacing:var(--av-tracking-heading);font-size:24px}.sc-summary span{color:var(--muted);font-size:14px}.sc-summary-actions{gap:6px;margin-left:auto;display:flex}.sc-q{border:1px solid var(--line-strong);background:var(--surface);box-shadow:var(--av-shadow-sm);border-radius:18px;overflow:hidden}.sc-q-head{background:var(--av-night);color:#fff;flex-wrap:wrap;align-items:center;gap:14px;padding:14px 18px;display:flex}.sc-q-label{background:var(--av-gold);min-width:48px;color:var(--av-night);text-align:center;border-radius:12px;flex:none;padding:6px 12px;font-size:17px;font-weight:800}.sc-q-label small{opacity:.75;white-space:nowrap;font-size:11px;font-weight:700;display:block}.sc-q-title{flex:1;min-width:220px}.sc-q-title h3{margin:0;font-size:18px}.sc-q-title p{color:var(--av-n-300);margin:2px 0 0;font-size:13.5px}.sc .sc-title-input{color:#fff;background:0 0;border-color:#0000;width:calc(100% + 8px);margin-left:-8px;padding:4px 8px;font-size:18px;font-weight:700}.sc .sc-title-input:hover{border-color:#ffffff4d}.sc .sc-title-input:focus{outline-color:var(--av-gold);background:#ffffff1a}.sc-q-head .btn.ghost{color:#fff;border-color:#ffffff47}.sc-q-head .btn.ghost:hover{background:#ffffff1f}.sc-q-head .btn.ghost.danger{color:#ffb4b0}.sc-q-body{background:var(--av-n-50);gap:16px;padding:18px;display:grid}.sc-block{background:var(--surface);border:1px solid var(--line);border-radius:14px;align-content:start;gap:8px;min-width:0;padding:12px 14px 14px;display:grid}.sc-block-head{flex-wrap:wrap;align-items:baseline;gap:10px;display:flex}.sc-block-head span{text-transform:uppercase;letter-spacing:var(--av-tracking-eyebrow);color:var(--av-n-700);font-size:12.5px;font-weight:800}.sc-block-head small{color:var(--muted);margin-left:auto;font-size:12.5px}.sc-block-head small.is-ok{color:var(--ok);font-weight:700}.sc-block-head small.is-warn{color:var(--warn);font-weight:700}.sc-block.question{background:var(--av-n-50);border-color:#0000}.sc-block.question textarea{background:var(--surface);font-size:16px;font-weight:600}.sc-block.points{border:1px solid var(--line-strong);border-left:4px solid var(--av-night)}.sc-block.points .sc-block-head span{color:var(--av-night)}.sc-block.accept{border-left:4px solid var(--av-kid);background:var(--ok-soft)}.sc-block.accept .sc-block-head span{color:var(--ok)}.sc-block.reject{border-left:4px solid var(--bad);background:var(--bad-soft)}.sc-block.reject .sc-block-head span{color:var(--bad)}.sc-part{background:var(--surface);border:1px solid var(--line-strong);border-left:6px solid var(--av-coral);border-radius:16px;gap:14px;padding:16px;display:grid}.sc-part-head{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.sc-part-id{letter-spacing:var(--av-tracking-heading);font-size:22px;font-weight:800}.sc-marks{color:var(--muted);align-items:center;gap:8px;font-weight:700;display:inline-flex}.sc .sc-marks input{text-align:center;width:4.5rem;color:var(--ink);font-weight:800}.sc-part.asking{border-left-color:var(--bad)}.sc-cols{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));align-items:start;gap:14px;display:grid}.sc-block.accept textarea,.sc-block.reject textarea{background:var(--surface)}.sc-points{gap:8px;margin:0;padding:0;list-style:none;display:grid}.sc-points li,.sc-points-cols{grid-template-columns:3.4rem 1fr 2rem;align-items:start;gap:8px;display:grid}.sc-points li.asking textarea,.sc-points li.asking input{border-color:var(--bad)}.sc-points li>.sc-confirm{grid-column:1/-1}.sc-points-cols{color:var(--subtle);font-size:12px;font-weight:700}.sc-points-cols span:first-child{text-align:center}.sc .sc-point-marks input{text-align:center;background:var(--av-n-100);padding:9px 4px;font-weight:800}.sc-x{width:2rem;height:2rem;color:var(--muted);background:0 0;border:0;border-radius:50%;margin-top:4px;font-size:20px;line-height:1}.sc-x:hover{background:var(--bad-soft);color:var(--bad)}.sc-x:disabled{background:var(--bad-soft);color:var(--bad);cursor:default}.sc-confirm{background:var(--bad-soft);color:var(--bad);border:1px solid #e6b3b6;border-radius:12px;flex-wrap:wrap;align-items:center;gap:8px;padding:8px 10px 8px 14px;font-size:14px;font-weight:700;display:flex}.sc-confirm>span{flex:1;min-width:180px}.sc .sc-confirm-yes{background:var(--bad);border-color:var(--bad);color:#fff}.sc .sc-confirm-yes:hover{background:#941c22;border-color:#941c22}.sc-confirm.on-dark{color:#fff;background:#ffffff14;border-color:#ffb4b08c;flex-basis:100%}.sc-q.asking .sc-q-head{box-shadow:inset 0 -3px 0 var(--bad)}.sc-q-actions{align-items:center;gap:6px;display:flex}.sc-versions{flex-wrap:wrap;align-items:center;gap:8px;margin-top:8px;display:flex}.sc-chip{border-radius:var(--av-radius-pill);background:#ffffff1a;border:1px solid #ffffff3d;align-items:baseline;gap:8px;padding:3px 12px;display:inline-flex}.sc-chip small{text-transform:uppercase;letter-spacing:var(--av-tracking-eyebrow);color:var(--av-gold);font-size:11px;font-weight:800}.sc-chip b{color:#fff;font-size:15px}.sc-versions-note{color:var(--av-n-300);font-size:12.5px}.sc-empty{color:var(--subtle);margin:0;font-size:14px}.sc-mismatch{background:var(--warn-soft);color:var(--warn);border-radius:8px;margin:0;padding:6px 10px;font-size:13.5px;font-weight:600}.sc-block .btn,.sc-add-q{justify-self:start}.sc-mc .sc-q-head{background:var(--av-n-800)}.sc-keys{background:var(--av-n-50);grid-template-columns:repeat(auto-fill,minmax(124px,1fr));gap:10px;padding:16px 18px;display:grid}.sc-keys.two{grid-template-columns:repeat(auto-fill,minmax(176px,1fr))}.sc-key label span small{text-transform:uppercase;letter-spacing:var(--av-tracking-eyebrow);color:var(--subtle);margin-right:6px;font-size:11px;font-weight:800}.sc-key label span{color:var(--ink)}.sc-key{background:var(--surface);border:1px solid var(--line);border-radius:12px;gap:6px;padding:8px 10px;display:grid}.sc-key label{color:var(--muted);justify-content:space-between;align-items:center;gap:8px;font-size:13px;font-weight:700;display:flex}.sc .sc-key input{text-align:center;width:2.6rem;min-height:34px;color:var(--ink);padding:4px 0;font-weight:800}
:root{--av-night:#1d1a3f;--av-gold:#ffc24b;--av-coral:#ff6a3d;--av-coral-700:#c93f18;--av-coral-50:#fff1eb;--av-gold-50:#fff7e3;--av-sunrise:linear-gradient(135deg, #ffc24b 0%, #ff6a3d 100%);--av-night-glow:radial-gradient(120% 90% at 75% 15%, #3a2f6b 0%, #1d1a3f 60%);--av-white:#fff;--av-cream:#fff8f1;--av-sand:#f6ede3;--av-sme:#2f64f2;--av-sme-50:#eef3ff;--av-ava:#6d4ae8;--av-ava-50:#f3efff;--av-kid:#12a672;--av-kid-700:#0b7a55;--av-kid-50:#e8f7f0;--av-n-900:#1d1a3f;--av-n-800:#2c2950;--av-n-700:#423e5e;--av-n-600:#5a5675;--av-n-500:#6b6785;--av-n-400:#a3a0b5;--av-n-300:#d4d1de;--av-n-200:#e8e5ee;--av-n-100:#f3f1f6;--av-n-50:#f9f8fb;--av-text:var(--av-night);--av-text-muted:var(--av-n-600);--av-text-subtle:var(--av-n-500);--av-border:var(--av-n-200);--av-bg:var(--av-white);--av-bg-warm:var(--av-cream);--av-primary:var(--av-night);--av-primary-text:#fff;--av-accent:var(--av-coral);--av-accent-text:var(--av-night);--av-link:var(--av-coral-700);--av-font-sans:"Plus Jakarta Sans", "Noto Sans HK", system-ui, -apple-system, "PingFang HK", "Microsoft JhengHei", sans-serif;--av-font-zh:"Noto Sans HK", "Plus Jakarta Sans", "PingFang HK", "Microsoft JhengHei", sans-serif;--av-font-accent:"Fraunces", Georgia, serif;--av-fs-display:clamp(3rem, 6vw, 4.5rem);--av-fs-h1:clamp(2.5rem, 4.5vw, 3.5rem);--av-fs-h2:2.5rem;--av-fs-h3:1.75rem;--av-fs-h4:1.25rem;--av-fs-body-lg:1.125rem;--av-fs-body:1rem;--av-fs-small:.875rem;--av-fs-caption:.75rem;--av-lh-tight:1.08;--av-lh-heading:1.18;--av-lh-body:1.6;--av-lh-zh:1.8;--av-tracking-display:-.035em;--av-tracking-heading:-.025em;--av-tracking-body:-.005em;--av-tracking-eyebrow:.08em;--av-radius-sm:10px;--av-radius-md:16px;--av-radius-lg:24px;--av-radius-xl:32px;--av-radius-pill:999px;--av-space-1:4px;--av-space-2:8px;--av-space-3:12px;--av-space-4:16px;--av-space-5:24px;--av-space-6:32px;--av-space-7:48px;--av-space-8:64px;--av-space-9:96px;--av-space-10:128px;--av-shadow-sm:0 1px 2px #1d1a3f0f, 0 2px 6px #1d1a3f0d;--av-shadow-md:0 4px 12px #1d1a3f0f, 0 12px 32px #1d1a3f14;--av-shadow-lg:0 12px 24px #1d1a3f14, 0 32px 64px #1d1a3f1f;--av-container:1200px}:lang(zh-HK),:lang(zh-Hant){font-family:var(--av-font-zh);line-height:var(--av-lh-zh);letter-spacing:.02em}:root{--av-font-sans:var(--font-jakarta), "Noto Sans HK", system-ui, -apple-system, "PingFang HK", "Microsoft JhengHei", sans-serif;--av-font-zh:var(--font-noto-hk), "Plus Jakarta Sans", "PingFang HK", "Microsoft JhengHei", sans-serif;--av-font-accent:var(--font-fraunces), Georgia, serif;--ink-pen:#d6282f;--ink-suggestion:#12803c}.av-wordmark{color:var(--av-night);align-items:center;gap:10px;display:inline-flex}.av-wordmark img{width:auto;height:36px;display:block}.av-wordmark-name{font-family:var(--av-font-sans);letter-spacing:var(--av-tracking-heading);color:var(--av-night);font-size:1.25rem;font-weight:700;line-height:1}.av-wordmark.on-night,.av-wordmark.on-night .av-wordmark-name{color:#fff}