.student-theme{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--paper:#0a0a1a;--paper-soft:#121228;--paper-warm:#16163a;--ink:#e8e4f4;--ink-2:#b8b0d0;--muted:#8a82a8;--line:#2a2450;--line-2:#3d3470;--hoshi:#a66cff;--hoshi-deep:#7c3aed;--hoshi-soft:#a66cff29;--hoshi-glow:#a66cff47;--success:#34d399;--success-bg:#34d3991f;--error:#f87171;--error-bg:#f871711f;--info:#22d3ee;--info-bg:#22d3ee1f;--radius:16px;--radius-sm:12px;--shadow-soft:0 0 0 1px #22d3ee14,0 8px 28px #00000073;--shadow-lg:0 0 24px #a66cff38,0 16px 40px #0000008c;--bg:var(--paper);--surface:#12122a;--surface-2:#1a1840;--surface-alt:#16163a;--surface-hover:#a66cff1a;--border:var(--line);--accent:var(--hoshi);--accent-hover:#c4a0ff;--accent-light:var(--hoshi-soft);--accent-ink:#fff;--shadow:var(--shadow-soft);color:var(--ink);background:radial-gradient(900px 420px at 8% -8%,#a66cff2e,transparent 55%),radial-gradient(700px 380px at 100% 0%,#22d3ee14,transparent 50%),var(--paper);font-family:var(--font-noto-sans-hk),"PingFang HK","Microsoft JhengHei",sans-serif}.student-theme h1,.student-theme h2,.student-theme h3,.student-theme .page-title,.student-theme .section-title,.student-theme .sidebar-logo-title,.student-theme .card-title,.student-theme .modal-title{font-family:var(--font-noto-sans-hk),"PingFang HK","Microsoft JhengHei",sans-serif}.student-theme .sidebar{background:linear-gradient(90deg,#a66cff 0,#22d3ee 2px,#0e0e22 2px),#0e0e22;border-right-color:#2a2450}.student-theme .main-content{background:0 0}.student-theme .page-header{background:linear-gradient(#16163a,#12122a);border-color:#3d3470;box-shadow:0 0 20px #a66cff1f}.student-theme .page-header:before{opacity:.35;background-image:linear-gradient(#22d3ee29 1px,#0000 1px),linear-gradient(90deg,#22d3ee29 1px,#0000 1px)}.student-theme .page-header:after{display:none}.student-theme .sw-page{--sw-board:#16163a;--sw-board-deep:#3d3470;--sw-grid:#22d3ee33}.student-theme .sw-refresh,.student-theme .sw-legend-chip,.student-theme .sw-board-progress{border-color:var(--line);background:#12122ad1}.student-theme .stat-card-pending{background:#f59e0b1f}.student-theme .card{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-soft)}.student-theme .btn-primary{background:linear-gradient(180deg,#b984ff,var(--hoshi));box-shadow:0 0 16px #a66cff66}.student-theme .btn-primary:hover:not(:disabled){box-shadow:0 0 22px #a66cff8c}.student-theme .input,.student-theme select.input{background:var(--surface-2);color:var(--ink);border-color:var(--line)}.student-theme .input-file::file-selector-button{background:var(--surface-2);color:var(--ink);border-color:var(--line)}.student-hero{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft);align-items:center;gap:1rem;margin-bottom:1.2rem;padding:1rem 1.15rem;display:flex}.student-hero-art{background:#0a0a1a;border-radius:18px;flex-shrink:0;width:112px;height:148px;overflow:hidden;box-shadow:0 0 16px #a66cff59,0 0 0 1px #22d3ee59}.student-hero-art img{object-fit:cover;object-position:top;width:112px;height:148px;display:block}.student-hero-copy{flex:1;min-width:0}.student-hero-greeting{color:var(--ink);margin:0 0 .35rem;font-size:1.2rem;font-weight:800}.student-hero-desc{color:var(--muted);margin:0 0 .65rem;font-size:.88rem}.student-streak-badge{background:var(--hoshi-soft);color:#d4b8ff;border-radius:999px;align-items:center;gap:.4rem;padding:.28rem .7rem;font-size:.82rem;font-weight:700;display:inline-flex;box-shadow:0 0 12px #a66cff33}.student-streak-badge--pending{background:var(--surface-2);color:var(--muted);box-shadow:none}.student-quest-list{gap:.6rem;display:grid}.student-quest-item{background:var(--surface-2);border-radius:var(--radius-sm);border:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;padding:.7rem .8rem;display:flex}.student-board-wrap{text-align:center;width:min(100%,240px);margin:.2rem auto 0}.student-board-count{margin:0 0 .15rem;line-height:1}.student-board-count-num{color:var(--ink);font-size:1.7rem;font-weight:800}.student-board-count-den{color:var(--muted);margin-left:.15rem;font-size:.95rem;font-weight:700}.student-board-meta{color:var(--muted);margin:0 0 .45rem;font-size:.75rem;font-weight:700}.student-board{aspect-ratio:1;border:1px solid var(--line);background:#16122c;border-radius:8px;grid-template-columns:repeat(9,1fr);gap:0;padding:6px;display:grid;box-shadow:0 0 18px #a66cff2e}.student-board-cell{aspect-ratio:1;place-items:center;display:grid}.student-board-stone{border-radius:50%;width:62%;height:62%;display:inline-block}.student-board-stone--filled{background:radial-gradient(circle at 32% 28%,#6a4a9a,#1a1028);box-shadow:0 0 6px #a66cff8c}.student-board-stone--empty{background:0 0;border:1.5px solid #a66cff38}.student-board-legend{color:var(--muted);justify-content:center;gap:1rem;margin-top:.65rem;font-size:.72rem;font-weight:700;display:flex}.student-board-legend>span{align-items:center;gap:.35rem;display:inline-flex}.student-board-legend .student-board-stone{flex-shrink:0;width:10px;height:10px}.student-radar-chart{height:260px;position:relative}.student-achievement-grid{grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:.75rem;display:grid}.student-achievement{text-align:center;background:var(--surface-2);border-radius:var(--radius-sm);border:1px solid var(--line);flex-direction:column;align-items:center;gap:.35rem;padding:.75rem .5rem .85rem;display:flex;position:relative}.student-achievement-icon{background:#0a0a1a;border-radius:50%;width:88px;height:88px;position:relative;overflow:hidden;box-shadow:0 0 12px #a66cff47}.student-achievement-icon img{object-fit:cover;width:88px;height:88px;display:block}.student-achievement.is-locked .student-achievement-icon img{filter:grayscale()opacity(.4)}.student-achievement-lock{pointer-events:none;place-items:center;font-size:1.2rem;display:grid;position:absolute;inset:0}.student-achievement-name{color:var(--ink);font-size:.84rem;font-weight:800}.student-achievement-desc{color:var(--muted);font-size:.72rem;line-height:1.35}.student-celebration{z-index:80;background:#0a0a1ac7;place-items:center;padding:1.5rem;display:grid;position:fixed;inset:0}.student-celebration-card{text-align:center;width:min(100%,320px);color:var(--ink);box-shadow:var(--shadow-lg);background:#12122a;border:1px solid #3d3470;border-radius:24px;padding:1.2rem 1rem 1.4rem;position:relative}.student-celebration-art{object-fit:contain;width:180px;height:180px;margin:0 auto .6rem}.student-celebration-title{margin:0;font-size:1.15rem;font-weight:800}.student-celebration-stones{pointer-events:none;position:absolute;inset:0}.student-celebration-stone{border-radius:50%;width:18px;height:18px;position:absolute}.student-celebration-stone--0{background:#1f1f1f;top:8%;left:12%;box-shadow:0 0 8px #a66cff}.student-celebration-stone--1{background:#f0ebe0;border:1px solid #c9c2b0;top:14%;right:14%}.student-celebration-stone--2{background:#1f1f1f;bottom:16%;left:18%;box-shadow:0 0 8px #a66cff}.student-celebration-stone--3{background:#f0ebe0;border:1px solid #c9c2b0;bottom:12%;right:16%}.student-celebration-stone--4{background:#1f1f1f;top:4%;left:46%;box-shadow:0 0 8px #22d3ee}@media (prefers-reduced-motion:no-preference){.student-celebration-art{animation:.45s cubic-bezier(.22,1,.36,1) student-cele-pop}.student-celebration-stone{animation:.7s cubic-bezier(.22,1,.36,1) both student-stone-fall}.student-celebration-stone--1{animation-delay:80ms}.student-celebration-stone--2{animation-delay:.14s}.student-celebration-stone--3{animation-delay:.2s}.student-celebration-stone--4{animation-delay:.1s}}@keyframes student-cele-pop{0%{opacity:0;transform:scale(.82)}to{opacity:1;transform:scale(1)}}@keyframes student-stone-fall{0%{opacity:0;transform:translateY(-36px)scale(.5)}to{opacity:1;transform:translateY(0)scale(1)}}.student-submit-idle{max-width:40rem}.student-submit-idle-title{margin:0 0 .35rem;font-size:1.25rem;font-weight:800}.student-submit-idle-desc{color:var(--muted);margin:0 0 1rem;font-size:.88rem}.student-empty{text-align:center;flex-direction:column;align-items:center;gap:.35rem;padding:1.5rem 1rem 2.5rem;display:flex}.student-empty img{object-fit:cover;object-position:top;border-radius:18px;width:140px;height:186px;margin-bottom:.85rem;box-shadow:0 0 16px #a66cff59,0 0 0 1px #22d3ee59}.student-empty-title{margin:0;font-size:1.15rem;font-weight:800}.student-empty-desc{color:var(--muted);max-width:22rem;margin:0 0 1rem;font-size:.88rem}.student-play-bar{align-items:center;gap:.75rem;margin-bottom:1rem;display:flex}.student-play-bar-copy{flex:1;min-width:0}.student-play-bar-title{text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:1.05rem;font-weight:800;overflow:hidden}.student-play-bar-desc{color:var(--muted);margin:.15rem 0 0;font-size:.8rem}@media (max-width:768px){.student-theme .mobile-header{background:linear-gradient(#12122a,#0e0e22);border-bottom-color:#2a2450}.student-theme .mobile-tabbar{background:#0e0e22;border-top-color:#2a2450;box-shadow:0 -8px 24px #0006}.student-hero{align-items:flex-start}.student-hero-art,.student-hero-art img{width:88px;height:116px}}