:root{--cam:#f79420;--vang:#ffcb04;--ngoc:#00ab80;--san-ho:#ef4f5e;--bg:#fff9f1;--card:#fff;--ink:#2b2118;--muted:#6b5d50;--line:#eadfd1;--soft:#fff1dd;--teal-btn:#008262;--coral-btn:#d4323f;--on-cam:#2b1700;--danger:#bd1f30;--ok:#00704f;--warn-bg:#fff3c4;--warn-ink:#5c4300;--danger-bg:#fde7e9;--shadow:0 2px 10px #5c3c1414;--radius:18px;--tabbar:calc(66px + env(safe-area-inset-bottom));--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}[data-theme=dark]{--bg:#17130f;--card:#241e18;--ink:#f6eee4;--muted:#bdae9e;--line:#3d342b;--soft:#33291e;--danger:#ff98a1;--ok:#4fd8b0;--warn-bg:#3f3210;--warn-ink:#ffdf80;--danger-bg:#43191e;--shadow:0 2px 10px #00000059;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{max-width:100%;margin:0;overflow-x:hidden}body{background:var(--bg);color:var(--ink);font:400 16px/1.5 Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;transition:background-color .18s,color .18s}body.no-scroll{overflow:hidden}h1,h2,h3{margin:0;font-family:Be Vietnam Pro,Inter,system-ui,sans-serif;line-height:1.3}h3{overflow-wrap:anywhere;font-size:18px;font-weight:700}p{margin:0}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}:focus-visible{outline:3px solid var(--cam);outline-offset:2px}.muted{color:var(--muted)}.center{text-align:center;padding:24px 0}.app{max-width:640px;min-height:100dvh;padding-bottom:calc(var(--tabbar) + 56px);scroll-padding-bottom:calc(var(--tabbar) + 24px);margin:0 auto}.content{min-width:0;padding:14px 16px 28px}.topbar{z-index:10;padding:calc(8px + env(safe-area-inset-top)) 12px 8px 16px;background:var(--card);box-shadow:var(--shadow);justify-content:space-between;align-items:center;gap:8px;display:flex;position:sticky;top:0}.logo{flex:none;width:auto;height:40px;display:block}.logo-dark{height:44px;display:none}[data-theme=dark] .logo-light{display:none}[data-theme=dark] .logo-dark{display:block}.topbar-actions{align-items:center;gap:6px;min-width:0;display:flex}.icon-btn{background:0 0;border:0;border-radius:14px;flex:none;place-items:center;width:48px;height:48px;transition:background-color .15s;display:grid}.icon-btn:active{background:var(--soft)}.pending{background:var(--warn-bg);min-height:46px;color:var(--warn-ink);white-space:nowrap;border:0;border-radius:14px;align-items:center;gap:5px;padding:0 12px;font-weight:600;display:inline-flex}.tabbar{z-index:20;background:var(--card);border-top:1px solid var(--line);width:100%;max-width:640px;padding-bottom:env(safe-area-inset-bottom);grid-template-columns:repeat(4,minmax(0,1fr));display:grid;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.tab{min-width:0;min-height:66px;color:var(--muted);white-space:nowrap;background:0 0;border:0;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:0;font-size:16px;font-weight:500;line-height:1.2;transition:color .15s;display:flex}.tab.on{color:var(--ink);font-weight:700}.tab.on .tab-icon{background:var(--soft);color:#c96a00}[data-theme=dark] .tab.on .tab-icon{color:var(--cam)}.tab-icon{border-radius:15px;place-items:center;width:52px;height:30px;transition:background-color .15s;display:grid;position:relative}.tab-badge{background:var(--coral-btn);color:#fff;text-align:center;border-radius:12px;min-width:24px;height:24px;padding:0 5px;font-size:16px;font-weight:700;line-height:24px;position:absolute;top:-6px;right:-4px}.screen-title{overflow-wrap:anywhere;font-size:24px;font-weight:800}.screen-sub{margin-bottom:12px}.section-title{margin:20px 0 10px;font-size:18px;font-weight:700}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);min-width:0;margin-bottom:12px;padding:16px;animation:.18s backwards rise}@keyframes rise{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}.btn{text-align:center;overflow-wrap:anywhere;border:0;border-radius:14px;justify-content:center;align-items:center;gap:6px;min-width:0;min-height:48px;padding:10px 14px;font-weight:600;transition:transform .12s,opacity .15s,background-color .15s;display:inline-flex}.btn:active:not(:disabled){transform:scale(.98)}.btn:disabled{cursor:default}.btn-primary{background:var(--cam);color:var(--on-cam)}.btn-teal{background:var(--teal-btn);color:#fff}.btn-coral{background:var(--coral-btn);color:#fff}.btn-ghost{background:var(--soft);color:var(--ink)}.btn-danger-text{color:var(--danger)}.btn-primary:disabled:not(.keep),.btn-ghost:disabled{opacity:.6}.btn-teal:disabled{color:var(--ok);box-shadow:inset 0 0 0 2px var(--ok);background:0 0}.btn-coral:disabled{color:var(--danger);box-shadow:inset 0 0 0 2px var(--danger);background:0 0}.btn-block{width:100%;margin-bottom:12px}.row-2{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px;display:grid}.link-btn{color:#b35c00;background:0 0;border:0;min-height:46px;padding:0 12px;font-weight:600}[data-theme=dark] .link-btn{color:var(--cam)}.class-time{color:#b35c00;align-items:center;gap:6px;font-weight:700;display:flex}[data-theme=dark] .class-time{color:var(--cam)}.meta{color:var(--muted);flex-wrap:wrap;gap:4px 14px;margin-top:4px;display:flex}.meta span{align-items:center;gap:4px;display:inline-flex}.meta svg{flex:none}.need{border-top:1px solid var(--line);margin-top:14px;padding-top:12px}.need-title{margin-bottom:8px;font-weight:700}.ok-text{color:var(--ok);font-weight:600}.summary{padding:6px 16px}.summary-row{text-align:left;border:0;border-bottom:1px solid var(--line);background:0 0;justify-content:space-between;gap:12px;width:100%;min-height:46px;padding:11px 0;display:flex}.summary-row:last-child{border-bottom:0}.summary-label{color:var(--muted);flex:none;max-width:45%}.summary-value{text-align:right;overflow-wrap:anywhere;min-width:0;font-weight:600}.count{color:var(--ink);font-variant-numeric:tabular-nums}.count-over{color:var(--danger)}.deadline-head{border-radius:var(--radius);background:var(--soft);margin-bottom:12px;padding:16px}.deadline-over{background:var(--danger-bg)}.deadline-time{margin-top:2px;font:700 21px/1.3 Be Vietnam Pro,Inter,sans-serif}.deadline-sub{color:var(--muted)}.chips{flex-wrap:wrap;gap:8px;margin:14px 0;display:flex}.filter{border:1px solid var(--line);background:var(--card);border-radius:23px;min-height:46px;padding:0 16px;font-weight:500;transition:background-color .15s}.filter.on{background:var(--ink);border-color:var(--ink);color:var(--bg);font-weight:600}.chip{background:var(--soft);border-radius:12px;margin-top:6px;padding:3px 12px;font-weight:500;display:inline-block}.chip-over{background:var(--danger-bg);color:var(--danger)}.todo-class .name-list{margin-top:12px}.name-list{gap:8px;display:grid}.name-btn{border:1px solid var(--line);background:var(--bg);text-align:left;border-radius:14px;justify-content:space-between;align-items:center;gap:8px;width:100%;min-height:50px;padding:10px 12px 10px 16px;font-weight:600;transition:background-color .15s;display:flex}.name-btn span{overflow-wrap:anywhere;min-width:0}.name-btn svg{color:var(--muted);flex:none}.name-btn:active{background:var(--soft)}.sched-date{color:#b35c00;font-weight:700}[data-theme=dark] .sched-date{color:var(--cam)}.form h3{margin-bottom:10px}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.field{min-width:0;margin-bottom:12px;display:block}.field>span:first-child{margin-bottom:4px;font-weight:600;display:block}.field input,.field select,.field textarea,.stepper input{border:1.5px solid var(--line);background:var(--bg);appearance:none;border-radius:12px;width:100%;min-width:0;max-width:100%;min-height:48px;padding:10px 12px;font-size:16px;display:block}.field select{background-image:linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);background-position:calc(100% - 18px) 21px,calc(100% - 12px) 21px;background-repeat:no-repeat;background-size:6px 6px}.field textarea{resize:vertical}.pass-wrap{align-items:center;gap:4px;display:flex}.pass-wrap input{flex:1}.form-error{color:var(--danger);margin:8px 0;font-weight:500}.login{place-items:center;max-width:480px;min-height:100dvh;margin:0 auto;padding:20px 16px;display:grid}.login-card{width:100%}.login-card h1{text-align:center;margin-bottom:14px;font-size:24px;font-weight:800}.login-logo{object-fit:contain;width:150px;height:150px;margin:0 auto 8px;display:block}.notice{background:var(--soft);border-radius:12px;margin-bottom:12px;padding:10px 14px}.stale{background:var(--warn-bg);color:var(--warn-ink);border-radius:12px;margin-bottom:10px;padding:8px 14px}.banner{background:var(--warn-bg);color:var(--warn-ink);border-radius:14px;align-items:center;gap:4px;margin-bottom:10px;padding-right:2px;animation:.18s backwards rise;display:flex}.banner-urgent{background:var(--danger-bg);color:var(--danger)}.banner-text{min-width:0;min-height:46px;color:inherit;text-align:left;background:0 0;border:0;flex:1;align-items:center;gap:8px;padding:8px 4px 8px 14px;font-weight:600;display:flex}.banner-text svg{flex:none}.info-row{justify-content:space-between;gap:12px;padding:7px 0;display:flex}.info-row span:last-child{text-align:right;overflow-wrap:anywhere;min-width:0;font-weight:600}.stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.stat{text-align:center}.stat strong{color:#b35c00;font:800 30px/1.2 Be Vietnam Pro,Inter,sans-serif;display:block}[data-theme=dark] .stat strong{color:var(--cam)}.empty{text-align:center;padding:32px 16px}.empty-icon{background:var(--soft);color:#c96a00;border-radius:50%;place-items:center;width:76px;height:76px;margin-bottom:10px;display:inline-grid}.empty-title{margin-bottom:4px;font:700 18px/1.3 Be Vietnam Pro,Inter,sans-serif}.center-screen{flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:100dvh;display:flex}.skeleton{border-radius:var(--radius);background:linear-gradient(90deg, var(--line) 25%, var(--soft) 50%, var(--line) 75%);background-size:200% 100%;height:92px;margin-bottom:12px;animation:1.3s linear infinite shimmer}@keyframes shimmer{to{background-position:-200% 0}}.toast{left:16px;right:16px;bottom:calc(var(--tabbar) + 12px);z-index:60;background:var(--ink);max-width:560px;color:var(--bg);border-radius:14px;margin:0 auto;padding:12px 16px;font-weight:500;animation:.15s both rise;position:fixed;box-shadow:0 6px 20px #00000040}.overlay{z-index:40;background:#1e140a80;justify-content:center;align-items:flex-end;animation:.15s both fade;display:flex;position:fixed;inset:0}@keyframes fade{0%{opacity:0}to{opacity:1}}.sheet{background:var(--card);width:100%;max-width:640px;max-height:92dvh;padding:18px 16px calc(16px + env(safe-area-inset-bottom));border-radius:20px 20px 0 0;animation:.18s both up;overflow:hidden auto}@keyframes up{0%{transform:translateY(16px)}to{transform:none}}.sheet h2{overflow-wrap:anywhere;font-size:20px;font-weight:700}.sheet-head{justify-content:space-between;align-items:center;display:flex}.stepper{grid-template-columns:60px minmax(0,1fr) 60px;gap:10px;margin-top:14px;display:grid}.stepper .btn{font-size:24px}.stepper input{text-align:center;font-size:22px;font-weight:700}.queue-list{margin:12px 0;padding:0;list-style:none}.queue-list li{border-top:1px solid var(--line);padding:12px 0}.queue-list strong{overflow-wrap:anywhere;display:block}.queue-list small{color:var(--muted);font-size:16px;display:block}.queue-list small.form-error{color:var(--danger);margin:4px 0 0}.queue-list .row-2{margin-top:8px}.modal{flex-direction:column;padding:0;display:flex;overflow:hidden}.modal-body{overscroll-behavior:contain;flex:1;min-height:0;padding:18px 16px 8px;overflow:hidden auto}.modal-foot{padding:10px 16px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--card);grid-template-columns:minmax(0,1.1fr) minmax(0,1fr) minmax(0,1.1fr);gap:8px;display:grid}.modal-foot .btn{padding:8px 6px}.absent{margin:10px 0 12px}.templates{gap:6px;margin-bottom:12px;display:grid}.template{border:1px dashed var(--line);text-align:left;min-height:46px;color:var(--muted);background:0 0;border-radius:12px;padding:8px 12px}.template:active{background:var(--soft)}.file-btn{cursor:pointer;position:relative}.file-btn input{opacity:0;cursor:pointer;width:100%;position:absolute;inset:0}.file-btn.disabled{opacity:.6}.thumbs{grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:8px;margin-bottom:8px;display:grid}.thumb{aspect-ratio:1;background:var(--soft);border-radius:12px;position:relative;overflow:hidden}.thumb img{object-fit:cover;width:100%;height:100%;display:block}.thumb button{color:#fff;filter:drop-shadow(0 0 2px #000)drop-shadow(0 0 2px #000);background:0 0;border:0;place-items:start end;width:46px;height:46px;padding:4px;display:grid;position:absolute;top:0;right:0}.search-screen{z-index:50;background:var(--bg);flex-direction:column;animation:.15s both fade;display:flex;position:fixed;inset:0}.search-bar{width:100%;max-width:640px;padding:calc(8px + env(safe-area-inset-top)) 8px 8px 16px;align-items:center;gap:8px;margin:0 auto;display:flex}.search-bar svg{flex:none}.search-bar input{border:1.5px solid var(--line);background:var(--card);border-radius:14px;flex:1;min-width:0;min-height:48px;padding:8px 12px;font-size:16px}.search-results{flex:1;width:100%;max-width:640px;margin:0 auto;padding:0 16px 24px;overflow:hidden auto}.result{background:var(--card);width:100%;min-height:56px;box-shadow:var(--shadow);text-align:left;border:0;border-radius:14px;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;padding:10px 12px 10px 16px;display:flex}.result span{overflow-wrap:anywhere;min-width:0}.result strong,.result small{display:block}.result small{color:var(--muted);font-size:16px}.result svg{color:var(--muted);flex:none}