:root{--font-sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;--text-xs: .75rem;--text-sm: .8125rem;--text-base: .9rem;--text-md: 1rem;--text-lg: 1.125rem;--text-xl: 1.375rem;--text-2xl: 1.6rem;--text-3xl: 2.1rem;--weight-normal: 400;--weight-medium: 500;--weight-semibold: 600;--weight-bold: 700;--weight-extrabold: 800;--leading-tight: 1.2;--leading-snug: 1.35;--leading-normal: 1.55;--tracking-tight: -.02em;--tracking-wide: .03em;--space-0: 0;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--radius-xs: 6px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--radius-xl: 24px;--radius-pill: 999px;--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-standard: cubic-bezier(.4, 0, .2, 1);--dur-fast: .12s;--dur: .18s;--dur-slow: .28s;--z-base: 0;--z-sticky: 20;--z-dropdown: 40;--z-overlay: 50;--z-modal: 60;--z-toast: 80;--sidebar-width: 224px;--topbar-height: 52px;--content-max: 1280px;--color-bg: #f6f7fb;--color-bg-subtle: #eef0f6;--color-surface: #ffffff;--color-surface-hover: #f9fafc;--color-surface-sunken: #f1f2f7;--color-border: #e5e7ef;--color-border-strong: #d6dae4;--color-text: #131722;--color-text-muted: #5b6270;--color-text-faint: #6b7280;--color-primary: #b8901a;--color-primary-hover: #a37f16;--color-primary-active: #8c6c12;--color-primary-soft: #faf3e0;--color-primary-soft-hover: #f5e9c9;--color-primary-contrast: #1a1406;--color-on-primary: #1a1406;--color-danger: #d13030;--color-danger-hover: #b82626;--color-danger-soft: #fdecec;--color-danger-text: #a82424;--color-on-danger: #ffffff;--color-success: #0f8f62;--color-success-soft: #e6f7f0;--color-success-text: #0b6b49;--color-on-success: #ffffff;--color-warning: #b8730a;--color-warning-soft: #fdf3e0;--color-warning-text: #8a5a00;--color-on-warning: #ffffff;--color-info: #2563eb;--color-info-soft: #e8f1fd;--color-info-text: #155bb5;--color-on-info: #ffffff;--color-focus-ring: color-mix(in srgb, var(--color-primary) 45%, transparent);--backdrop: rgba(15, 17, 26, .45);--shadow-xs: 0 1px 2px rgba(20, 22, 35, .04);--shadow-sm: 0 1px 2px rgba(20, 22, 35, .05), 0 1px 1px rgba(20, 22, 35, .03);--shadow-md: 0 8px 24px rgba(20, 22, 35, .08), 0 2px 6px rgba(20, 22, 35, .04);--shadow-lg: 0 20px 48px rgba(20, 22, 35, .14), 0 4px 12px rgba(20, 22, 35, .06);--surface-highlight: none;color-scheme:light}:root[data-theme=dark]{--color-bg: #06080e;--color-bg-subtle: #0b0e17;--color-surface: #0f131f;--color-surface-hover: #141a29;--color-surface-sunken: #0b0e17;--color-border: rgba(212, 175, 55, .16);--color-border-strong: rgba(212, 175, 55, .32);--color-text: #f4f5f7;--color-text-muted: #8a94a6;--color-text-faint: #6b7385;--color-primary: #d4af37;--color-primary-hover: #e0bf55;--color-primary-active: #c19a2c;--color-primary-soft: rgba(212, 175, 55, .14);--color-primary-soft-hover: rgba(212, 175, 55, .22);--color-primary-contrast: #06080e;--color-on-primary: #06080e;--color-danger: #f26d6d;--color-danger-hover: #f68b8b;--color-danger-soft: rgba(227, 72, 72, .16);--color-danger-text: #ff9c9c;--color-on-danger: #2a0a0a;--color-success: #3ecf94;--color-success-soft: rgba(23, 166, 114, .16);--color-success-text: #6ee7b7;--color-on-success: #06231a;--color-warning: #eba936;--color-warning-soft: rgba(217, 144, 18, .16);--color-warning-text: #fbbf5c;--color-on-warning: #231903;--color-info: #60a5fa;--color-info-soft: rgba(96, 165, 250, .15);--color-info-text: #93c0ff;--color-on-info: #0a1a2e;--backdrop: rgba(4, 5, 10, .65);--shadow-xs: 0 1px 2px rgba(0, 0, 0, .3);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);--shadow-md: 0 10px 28px rgba(0, 0, 0, .45);--shadow-lg: 0 24px 56px rgba(0, 0, 0, .55);--surface-highlight: inset 0 1px 0 rgba(255, 255, 255, .04);color-scheme:dark}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;transition:background-color .2s ease,color .2s ease}::selection{background:var(--color-primary-soft);color:var(--color-primary)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border-strong);border-radius:var(--radius-pill);border:2px solid var(--color-bg)}h1,h2,h3,h4{margin:0 0 .5rem;letter-spacing:-.01em}:where(p){margin:0 0 .5rem}:where(p:last-child){margin-bottom:0}h1{font-size:var(--text-2xl);font-weight:var(--weight-extrabold);line-height:var(--leading-tight)}h2{font-size:var(--text-xl);font-weight:var(--weight-bold);line-height:var(--leading-snug)}h3{font-size:var(--text-lg);font-weight:var(--weight-semibold);line-height:var(--leading-snug)}h4{font-size:var(--text-md);font-weight:var(--weight-semibold)}a{color:var(--color-primary)}.text-display{font-size:var(--text-3xl);font-weight:var(--weight-extrabold);letter-spacing:var(--tracking-tight);font-variant-numeric:tabular-nums}.text-body-sm{font-size:var(--text-sm)}.text-caption{font-size:var(--text-xs);color:var(--color-text-faint)}.text-overline{font-size:var(--text-xs);font-weight:var(--weight-semibold);text-transform:uppercase;letter-spacing:var(--tracking-wide);color:var(--color-text-muted)}:where(a,button,[role=button],input,select,textarea,summary,[tabindex]):focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:var(--radius-xs)}:focus:not(:focus-visible){outline:none}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.stack{display:flex;flex-direction:column;gap:var(--stack-gap, var(--space-4))}.stack-xs{--stack-gap: var(--space-2)}.stack-sm{--stack-gap: var(--space-3)}.stack-lg{--stack-gap: var(--space-6)}.row{display:flex;align-items:center;gap:var(--row-gap, var(--space-3));flex-wrap:wrap}.row-between{justify-content:space-between}.row-end{justify-content:flex-end}.row-tight{--row-gap: var(--space-2)}.grid-auto{display:grid;gap:var(--space-4);grid-template-columns:repeat(auto-fill,minmax(var(--min-col, 280px),1fr))}.skip-link{position:absolute;left:var(--space-3);top:-48px;z-index:var(--z-toast);background:var(--color-primary);color:var(--color-on-primary);padding:var(--space-2) var(--space-4);border-radius:var(--radius-sm);font-weight:var(--weight-semibold);transition:top var(--dur-fast) var(--ease-standard)}.skip-link:focus{top:var(--space-3)}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.tabular{font-variant-numeric:tabular-nums}.btn{border:none;border-radius:var(--radius-sm);padding:.5rem 1rem;font-size:var(--text-base);font-weight:var(--weight-semibold);cursor:pointer;font-family:inherit;display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);transition:background-color var(--dur-fast) var(--ease-standard),color var(--dur-fast) var(--ease-standard),border-color var(--dur-fast) var(--ease-standard),box-shadow var(--dur-fast) var(--ease-standard)}.btn:active:not(:disabled){filter:brightness(.96)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:var(--color-on-primary);box-shadow:var(--shadow-sm)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border-strong)}.btn-secondary:hover:not(:disabled){background:var(--color-surface-hover);border-color:var(--color-text-faint)}.btn-danger{background:var(--color-danger);color:var(--color-on-danger)}.btn-danger:hover:not(:disabled){background:var(--color-danger-hover)}.btn-danger-soft:hover:not(:disabled){background:color-mix(in srgb,var(--color-danger-soft) 70%,var(--color-danger) 30%)}.btn-ghost{background:transparent;color:var(--color-text-muted);border:1px solid var(--color-border)}.btn-ghost:hover:not(:disabled){color:var(--color-text);border-color:var(--color-border-strong);background:var(--color-surface-hover)}.btn-block{width:100%}.btn-sm{padding:.35rem .65rem;font-size:var(--text-sm);border-radius:7px}.btn-lg{padding:.7rem 1.35rem;font-size:var(--text-md)}.btn-icon{width:34px;height:34px;padding:0;border-radius:var(--radius-pill)}.btn[data-loading=true]{color:transparent;pointer-events:none;position:relative}.btn[data-loading=true]:after{content:"";position:absolute;width:14px;height:14px;border-radius:50%;border:2px solid currentColor;border-top-color:transparent;color:inherit;animation:btn-spin .6s linear infinite}.btn-primary[data-loading=true]:after{color:var(--color-on-primary)}.btn-danger[data-loading=true]:after{color:var(--color-on-danger)}@keyframes btn-spin{to{transform:rotate(360deg)}}@media (pointer: coarse){.btn,.btn-sm{min-height:44px}}.field{display:flex;flex-direction:column;gap:.3rem;font-size:var(--text-base);font-weight:var(--weight-semibold);color:var(--color-text)}.field-grid{display:grid;grid-template-columns:1fr 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select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a2a8ba' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E")}input:focus,select:focus,textarea:focus{outline:none;background:var(--color-surface);border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-focus-ring)}input:disabled,select:disabled,textarea:disabled{opacity:.6;cursor:not-allowed}.field-error{font-size:var(--text-sm);color:var(--color-danger-text)}.field-label-required:after{content:" *";color:var(--color-danger)}@media (max-width: 640px){input,select,textarea,.textarea{font-size:var(--text-md)}}.card{background:var(--color-surface);border-radius:var(--radius-md);border:1px solid var(--color-border);padding:1.25rem;margin-bottom:.85rem;box-shadow:var(--shadow-sm),var(--surface-highlight)}.panel{background:var(--color-surface);border-radius:var(--radius-md);border:1px 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var(--ease-standard)}.class-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.class-card-locked{opacity:.8}.class-card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:.5rem;margin-bottom:.5rem}.class-card-header h3{margin:0}.class-card-meta{display:flex;gap:1rem;color:var(--color-text-muted);font-size:var(--text-sm);margin:.5rem 0 .75rem}.hls-player{width:100%;max-height:60vh;border-radius:var(--radius-md);background:#000}.table-scroll{overflow-x:auto;overscroll-behavior-x:contain;border-radius:var(--radius-md)}.table{width:100%;border-collapse:collapse;background:var(--color-surface);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--color-border)}.table th,.table td{text-align:left;padding:.6rem .9rem;border-bottom:1px solid var(--color-border);font-size:var(--text-base)}.table th{background:var(--color-surface-sunken);color:var(--color-text-muted);font-weight:var(--weight-semibold);font-size:var(--text-xs)}.table tbody tr{transition:background-color .12s ease}.table tbody tr:hover{background:var(--color-surface-hover)}.table tbody tr:last-child td{border-bottom:none}.table-actions{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}@media (max-width: 720px){.table-scroll{overflow-x:visible}.table-scroll .table,.table-scroll .table thead,.table-scroll .table tbody,.table-scroll .table th,.table-scroll .table td,.table-scroll .table tr{display:block;width:100%}.table-scroll .table thead{display:none}.table-scroll .table tr{border-bottom:1px solid var(--color-border);padding:var(--space-3) var(--space-4)}.table-scroll .table td{border-bottom:none;padding:var(--space-1) 0;display:flex;justify-content:space-between;gap:var(--space-3)}.table-scroll .table td[data-label]:before{content:attr(data-label);font-weight:var(--weight-semibold);color:var(--color-text-muted);flex-shrink:0}}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--backdrop);-webkit-backdrop-filter:blur(6px) saturate(130%);backdrop-filter:blur(6px) saturate(130%);display:flex;align-items:center;justify-content:center;z-index:var(--z-modal);padding:1.25rem;animation:fade-in var(--dur) var(--ease-standard)}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes modal-pop{0%{opacity:0;transform:translateY(10px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.modal{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:1.25rem 1.4rem;width:100%;max-width:420px;max-height:94vh;overflow-y:auto;display:flex;flex-direction:column;gap:.65rem;box-shadow:var(--shadow-lg);animation:modal-pop var(--dur-slow) var(--ease-out)}.modal-wide{max-width:720px}.modal>h2:first-child{margin:0;padding-bottom:.65rem;border-bottom:1px solid var(--color-border);font-size:var(--text-lg)}.modal-actions{display:flex;justify-content:flex-end;gap:.6rem;margin-top:.1rem;padding-top:.65rem;border-top:1px solid var(--color-border)}.credential-box{background:var(--color-bg-subtle);border-radius:var(--radius-sm);padding:.85rem;font-size:var(--text-base);display:flex;flex-direction:column;gap:.35rem}@media (max-width: 640px){.modal-backdrop{align-items:flex-end;padding:0}.modal{max-width:none;max-height:92dvh;border-radius:var(--radius-xl) var(--radius-xl) 0 0;animation:sheet-up var(--dur-slow) var(--ease-out)}@keyframes sheet-up{0%{transform:translateY(24px);opacity:0}to{transform:translateY(0);opacity:1}}}.badge{display:inline-flex;align-items:center;gap:var(--space-1);padding:.25rem .65rem;border-radius:var(--radius-pill);font-size:var(--text-xs);font-weight:var(--weight-semibold)}.badge-dot:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex-shrink:0}.badge-pending{background:var(--color-warning-soft);color:var(--color-warning-text)}.badge-approved,.badge-active{background:var(--color-success-soft);color:var(--color-success-text)}.badge-rejected,.badge-inactive{background:var(--color-danger-soft);color:var(--color-danger-text)}.badge-cancelled{background:var(--color-bg-subtle);color:var(--color-text-muted)}.badge-info{background:var(--color-info-soft);color:var(--color-info-text)}.badge-neutral{background:var(--color-bg-subtle);color:var(--color-text-muted)}.alert{padding:.6rem .9rem;border-radius:var(--radius-sm);font-size:var(--text-base);border:1px solid transparent;margin-bottom:.85rem}.alert-error{background:var(--color-danger-soft);color:var(--color-danger-text);border-color:color-mix(in srgb,var(--color-danger) 25%,transparent)}.alert-success{background:var(--color-success-soft);color:var(--color-success-text);border-color:color-mix(in srgb,var(--color-success) 25%,transparent)}.alert-warning{background:var(--color-warning-soft);color:var(--color-warning-text);border-color:color-mix(in srgb,var(--color-warning) 25%,transparent)}.alert-info{background:var(--color-info-soft);color:var(--color-info-text);border-color:color-mix(in srgb,var(--color-info) 25%,transparent)}.empty-state{background:var(--color-surface);border:1px dashed var(--color-border-strong);border-radius:var(--radius-md);padding:var(--space-10) var(--space-5);text-align:center;color:var(--color-text-muted)}.empty-state-icon{width:56px;height:56px;margin:0 auto var(--space-4);border-radius:50%;background:var(--color-primary-soft);color:var(--color-primary);display:flex;align-items:center;justify-content:center}.empty-state.is-error .empty-state-icon{background:var(--color-danger-soft);color:var(--color-danger)}.empty-state-title{font-size:var(--text-lg);font-weight:var(--weight-semibold);color:var(--color-text);margin-bottom:var(--space-1)}.empty-state-text{max-width:42ch;margin:0 auto;font-size:var(--text-base)}.empty-state-actions{display:flex;justify-content:center;gap:var(--space-3);margin-top:var(--space-5);flex-wrap:wrap}.empty-state-inline{padding:var(--space-6) var(--space-4)}.skeleton-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.skeleton{background:linear-gradient(90deg,var(--color-bg-subtle) 25%,var(--color-surface-hover) 37%,var(--color-bg-subtle) 63%);background-size:400% 100%;animation:shimmer 1.4s ease infinite;border-radius:var(--radius-sm)}.skeleton-card,.skeleton-table{background:linear-gradient(90deg,var(--color-bg-subtle) 25%,var(--color-surface-hover) 37%,var(--color-bg-subtle) 63%);background-size:400% 100%;animation:shimmer 1.4s ease 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srgb,var(--color-primary) 22%,var(--color-surface))}.kana-key:disabled{opacity:.5;cursor:default}.kana-bottom{display:flex;gap:.3rem;margin-top:.3rem}.kana-bottom .kana-key{flex:1;font-size:.78rem;font-weight:600}.kana-bottom .kana-wide{flex:3}body:has(.kana-panel) .take,body:has(.kana-panel) .builder{padding-bottom:300px}@media (max-width: 768px){.kana-toggle{right:.9rem;bottom:calc(var(--tabbar-h, 64px) + var(--tabbar-gap, 12px) * 2 + env(safe-area-inset-bottom))}.kana-panel{bottom:calc(var(--tabbar-h, 64px) + var(--tabbar-gap, 12px) * 2 + env(safe-area-inset-bottom));padding:.55rem}.kana-head{flex-wrap:wrap}.kana-groups{order:3;flex-basis:100%}.kana-key{height:34px;font-size:.95rem}.kana-keys{gap:.22rem}}.kana-options{display:flex;flex-wrap:wrap;gap:.5rem}.kana-option{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem .8rem;border:1px solid var(--color-border);border-radius:10px;font-size:.8125rem;font-weight:600;cursor:pointer}.kana-option input{margin:0}.kana-option span{color:var(--color-text-muted);font-weight:500}.kana-option.is-active{border-color:var(--color-primary);background:var(--color-primary-soft)}