@import "https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;700;900&family=Inter:wght@400;600;700;800&family=JetBrains+Mono:wght@500;700&display=swap";:root{--font-main:"Noto Sans TC", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", monospace;--bg-main:#f0f7fb;--bg-card:#fff;--bg-rollcall-card:#dcf2f7;--border-rollcall:#7ec7da;--primary:#2563eb;--primary-hover:#1d4ed8;--color-present:#e04b28;--color-present-hover:#c93b1a;--color-absent:#2aa5f5;--color-absent-hover:#1c8fd8;--color-cancel:#525a66;--color-cancel-hover:#3f454f;--text-primary:#1e293b;--text-secondary:#475569;--text-muted:#64748b;--shadow-sm:0 2px 8px #0f172a0f;--shadow-md:0 8px 24px #0f172a14;--shadow-lg:0 16px 40px #0f172a1f;--shadow-pop:0 10px 25px -5px #0000001a, 0 8px 10px -6px #0000001a;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--radius-xl:28px;--transition-fast:.18s cubic-bezier(.4, 0, .2, 1);--transition-normal:.28s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#eef5fc 0%,#e0edf9 50%,#f4f8fc 100%);min-height:100vh}button{cursor:pointer;transition:all var(--transition-fast);border:none;outline:none;font-family:inherit}button:active{transform:scale(.97)}input,select{font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#0000000a}::-webkit-scrollbar-thumb{background:#64748b40;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#64748b73}.app-container{flex-direction:column;min-height:100vh;display:flex}.navbar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:50;background:#ffffffe0;border-bottom:1px solid #e2e8f0cc;justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex;position:sticky;top:0;box-shadow:0 2px 10px #00000008}.nav-brand{color:#1e3a8a;cursor:pointer;align-items:center;gap:.75rem;font-size:1.25rem;font-weight:700;display:flex}.nav-brand-badge{color:#fff;background:#3b82f6;border-radius:9999px;padding:.2rem .6rem;font-size:.75rem;font-weight:600}.nav-menu{align-items:center;gap:.5rem;display:flex}.nav-btn{border-radius:var(--radius-sm);color:var(--text-secondary);transition:all var(--transition-fast);background:0 0;align-items:center;gap:.4rem;padding:.55rem 1rem;font-size:.95rem;font-weight:600;display:flex}.nav-btn:hover{color:#1e3a8a;background:#f1f5f9e6}.nav-btn.active{color:#2563eb;background:#eff6ff;border:1px solid #bfdbfe}.nav-user{color:var(--text-muted);align-items:center;gap:1rem;font-size:.9rem;display:flex}.logout-btn{color:#dc2626;border-radius:var(--radius-sm);background:#fee2e2;align-items:center;gap:.3rem;padding:.45rem .85rem;font-size:.85rem;font-weight:600;display:flex}.logout-btn:hover{background:#fecaca}.main-content{flex-direction:column;flex:1;width:100%;max-width:1200px;margin:0 auto;padding:2rem 1.5rem;display:flex}.login-wrapper{flex:1;justify-content:center;align-items:center;padding:2rem;display:flex}.login-card{border-radius:var(--radius-xl);background:#fff;width:100%;max-width:440px;padding:2.5rem;animation:.4s ease-out fadeIn;box-shadow:0 20px 40px -15px #0000001f,0 0 0 1px #0000000d}.login-header{text-align:center;margin-bottom:2rem}.login-logo{color:#fff;background:linear-gradient(135deg,#3b82f6,#1d4ed8);border-radius:18px;justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto 1.25rem;display:flex;box-shadow:0 10px 20px -5px #2563eb66}.login-header h1{color:#0f172a;margin-bottom:.5rem;font-size:1.6rem;font-weight:800}.login-header p{color:var(--text-muted);font-size:.95rem}.form-group{margin-bottom:1.25rem}.form-group label{color:#334155;margin-bottom:.5rem;font-size:.88rem;font-weight:600;display:block}.input-with-icon{align-items:center;display:flex;position:relative}.input-with-icon svg{color:#94a3b8;position:absolute;left:1rem}.input-with-icon input{border-radius:var(--radius-md);width:100%;transition:all var(--transition-fast);background:#f8fafc;border:1.5px solid #cbd5e1;outline:none;padding:.85rem 1rem .85rem 2.75rem;font-size:1rem}.input-with-icon input:focus{background:#fff;border-color:#3b82f6;box-shadow:0 0 0 4px #3b82f626}.login-btn{color:#fff;border-radius:var(--radius-md);background:linear-gradient(135deg,#2563eb,#1d4ed8);width:100%;margin-top:.5rem;padding:.9rem;font-size:1.05rem;font-weight:700;box-shadow:0 8px 16px -4px #2563eb66}.login-btn:hover{background:linear-gradient(135deg,#1d4ed8,#1e40af);box-shadow:0 10px 20px -4px #2563eb80}.login-hints{border-radius:var(--radius-sm);color:#475569;background:#f8fafc;border-left:4px solid #3b82f6;margin-top:1.5rem;padding:.75rem 1rem;font-size:.82rem}.login-error{color:#b91c1c;border-radius:var(--radius-sm);background:#fef2f2;border:1px solid #fecaca;align-items:center;gap:.5rem;margin-bottom:1.25rem;padding:.75rem;font-size:.88rem;display:flex}.home-container{flex-direction:column;gap:2rem;animation:.3s ease-out fadeIn;display:flex}.welcome-banner{color:#fff;border-radius:var(--radius-xl);background:linear-gradient(135deg,#1e3a8a 0%,#2563eb 100%);padding:2.5rem;position:relative;overflow:hidden;box-shadow:0 12px 30px -10px #1e3a8a66}.welcome-banner:after{content:"";background:radial-gradient(circle,#ffffff26 0%,#fff0 70%);border-radius:50%;width:400px;height:400px;position:absolute;top:-50%;right:-20%}.welcome-banner h2{margin-bottom:.5rem;font-size:2rem;font-weight:800}.welcome-banner p{color:#dbeafe;font-size:1.05rem}.features-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.5rem;display:grid}.feature-card{border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);cursor:pointer;background:#fff;border:1px solid #e2e8f0;flex-direction:column;justify-content:space-between;padding:2rem;transition:all .3s;display:flex;position:relative}.feature-card:hover{box-shadow:var(--shadow-lg);border-color:#bfdbfe;transform:translateY(-6px)}.feature-icon-box{border-radius:16px;justify-content:center;align-items:center;width:60px;height:60px;margin-bottom:1.25rem;display:flex}.feature-card.rollcall .feature-icon-box{color:#0284c7;background:#e0f2fe}.feature-card.random .feature-icon-box{color:#d97706;background:#fef3c7}.feature-card.history .feature-icon-box{color:#9333ea;background:#f3e8ff}.feature-card h3{color:#0f172a;margin-bottom:.6rem;font-size:1.35rem;font-weight:700}.feature-card p{color:var(--text-secondary);margin-bottom:1.5rem;font-size:.95rem;line-height:1.5}.feature-card-btn{color:#2563eb;border-radius:var(--radius-sm);transition:all var(--transition-fast);background:#f8fafc;border:1px solid #e2e8f0;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.25rem;font-weight:600;display:flex}.feature-card:hover .feature-card-btn{color:#fff;background:#2563eb;border-color:#2563eb}.rollcall-container{flex-direction:column;gap:1.25rem;width:100%;max-width:980px;margin:0 auto;animation:.3s ease-out fadeIn;display:flex}.rollcall-topbar{border-radius:var(--radius-md);box-shadow:var(--shadow-sm);background:#fff;border:1px solid #e2e8f0;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;padding:.85rem 1.25rem;display:flex}.progress-info{flex-wrap:wrap;align-items:center;gap:.75rem;font-size:.95rem;font-weight:600;display:flex}.badge-pill{border-radius:9999px;padding:.25rem .65rem;font-size:.82rem;font-weight:700}.badge-present{color:#dc2626;background:#fee2e2}.badge-absent{color:#0284c7;background:#e0f2fe}.badge-leave{color:#7c3aed;background:#ede9fe}.badge-late{color:#d97706;background:#fef3c7}.badge-total{color:#475569;background:#f1f5f9}.rollcall-main-box{background-color:var(--bg-rollcall-card);border:2px solid var(--border-rollcall);min-height:480px;box-shadow:var(--shadow-md);border-radius:12px;flex-direction:column;justify-content:space-between;padding:2.2rem 3rem;display:flex;position:relative}.rollcall-options-header{justify-content:space-around;align-items:center;padding-bottom:1rem;display:flex}.custom-checkbox-label{color:#1e293b;cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:.6rem;font-size:1.25rem;font-weight:600;display:flex}.custom-checkbox-label input[type=checkbox]{accent-color:#2563eb;cursor:pointer;width:22px;height:22px}.rollcall-student-display{text-align:center;flex-direction:column;justify-content:center;align-items:center;margin:2.5rem 0;display:flex}.student-id-text{font-family:var(--font-mono), var(--font-main);color:#1e293b;letter-spacing:2px;margin-bottom:.5rem;font-size:clamp(2.8rem,5vw,4.2rem);font-weight:700;line-height:1.1}.student-name-text{color:#0f172a;letter-spacing:6px;margin:.2rem 0;font-size:clamp(3.5rem,7vw,5.5rem);font-weight:900;line-height:1.2}.student-remark-text{color:#475569;background:#ffffffb3;border:1px solid #00000014;border-radius:9999px;margin-top:.5rem;padding:.3rem 1rem;font-size:1.1rem}.speak-again-btn{color:#2563eb;background:#ffffffd9;border:1px solid #bfdbfe;border-radius:9999px;align-items:center;gap:.4rem;margin-top:.75rem;padding:.35rem .75rem;font-size:.85rem;font-weight:600;display:flex}.speak-again-btn:hover{background:#fff}.rollcall-action-bar{justify-content:space-between;align-items:center;gap:1.25rem;padding-top:1rem;display:flex}.btn-cancel{color:#fff;background-color:#555e69;border:1px solid #3d434c;border-radius:8px;min-width:110px;padding:.75rem 2rem;font-size:1.35rem;font-weight:700;box-shadow:0 4px 6px #0000001a}.btn-cancel:hover{background-color:#3f464e}.rollcall-right-actions{align-items:center;gap:1.25rem;display:flex}.btn-absent{color:#fff;background-color:#38bdf8;border:1px solid #0284c7;border-radius:8px;min-width:120px;padding:.75rem 2rem;font-size:1.35rem;font-weight:700;box-shadow:0 4px 6px #38bdf840}.btn-absent:hover{background-color:#0284c7}.btn-leave{color:#fff;background-color:#8b5cf6;border:1px solid #7c3aed;border-radius:8px;min-width:120px;padding:.75rem 2rem;font-size:1.35rem;font-weight:700;box-shadow:0 4px 6px #8b5cf640}.btn-leave:hover{background-color:#7c3aed}.btn-present{color:#fff;background-color:#ea580c;border:1px solid #c2410c;border-radius:8px;min-width:120px;padding:.75rem 2.2rem;font-size:1.35rem;font-weight:700;box-shadow:0 4px 6px #ea580c40}.btn-present:hover{background-color:#c2410c}.rollcall-nav-controls{justify-content:center;align-items:center;gap:1rem;margin-top:.5rem;display:flex}.btn-nav-arrow{border-radius:var(--radius-sm);color:#475569;background:#fff;border:1px solid #cbd5e1;align-items:center;gap:.3rem;padding:.5rem 1rem;font-size:.9rem;font-weight:600;display:flex}.btn-nav-arrow:hover:not(:disabled){color:#1e293b;background:#f8fafc}.btn-nav-arrow:disabled{opacity:.4;cursor:not-allowed}.rollcall-summary-card{border-radius:var(--radius-lg);box-shadow:var(--shadow-md);text-align:center;background:#fff;border:1px solid #e2e8f0;padding:2.5rem}.summary-stats-grid{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:1rem;margin:2rem 0;display:grid}.stat-item{border-radius:var(--radius-md);background:#f8fafc;border:1px solid #e2e8f0;padding:1.2rem}.stat-item.present{background:#fef2f2;border-color:#fecaca}.stat-item.absent{background:#f0f9ff;border-color:#bae6fd}.stat-item.leave{background:#faf5ff;border-color:#e9d5ff}.stat-num{color:#0f172a;font-size:2.2rem;font-weight:800}.stat-item.present .stat-num{color:#dc2626}.stat-item.absent .stat-num{color:#0284c7}.stat-item.leave .stat-num{color:#8b5cf6}.stat-label{color:#64748b;margin-top:.25rem;font-size:.88rem;font-weight:600}.random-container{flex-direction:column;gap:1.5rem;width:100%;max-width:900px;margin:0 auto;animation:.3s ease-out fadeIn;display:flex}.random-control-panel{border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);background:#fff;border:1px solid #e2e8f0;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.25rem;padding:1.75rem 2rem;display:flex}.picker-config-group{align-items:center;gap:1rem;display:flex}.count-select{border-radius:var(--radius-sm);color:#1e293b;background:#f8fafc;border:1.5px solid #cbd5e1;outline:none;padding:.5rem 1rem;font-size:1rem;font-weight:700}.btn-draw{color:#fff;border-radius:var(--radius-md);background:linear-gradient(135deg,#f59e0b,#d97706);align-items:center;gap:.6rem;padding:.85rem 2rem;font-size:1.15rem;font-weight:800;display:flex;box-shadow:0 6px 16px -2px #d9770666}.btn-draw:hover:not(:disabled){background:linear-gradient(135deg,#d97706,#b45309);transform:translateY(-2px)}.btn-draw:disabled{opacity:.6;cursor:not-allowed}.draw-stage{border-radius:var(--radius-xl);color:#fff;min-height:380px;box-shadow:var(--shadow-lg);background:linear-gradient(135deg,#1e1b4b 0%,#312e81 100%);flex-direction:column;justify-content:center;align-items:center;padding:3.5rem 2rem;display:flex;position:relative;overflow:hidden}.draw-stage:before{content:"";pointer-events:none;background:radial-gradient(circle,#f59e0b26 0%,#0000 70%);position:absolute;inset:0}.drawn-grid{flex-wrap:wrap;justify-content:center;gap:1.5rem;width:100%;display:flex}.drawn-student-card{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-radius:var(--radius-lg);text-align:center;background:#ffffff1f;border:2px solid #ffffff40;min-width:220px;padding:1.75rem 2.5rem;animation:.4s cubic-bezier(.175,.885,.32,1.275) popIn;box-shadow:0 10px 25px #0003}.drawn-student-card.rolling{border-color:#fbbf24;animation:.2s infinite alternate pulse}.drawn-id{font-family:var(--font-mono);color:#fde68a;margin-bottom:.5rem;font-size:1.4rem;font-weight:700}.drawn-name{color:#fff;letter-spacing:4px;font-size:2.8rem;font-weight:900}.drawn-remark{color:#e2e8f0;margin-top:.5rem;font-size:.9rem}.history-section{border-radius:var(--radius-lg);background:#fff;border:1px solid #e2e8f0;padding:1.5rem 2rem}.history-tags-list{flex-wrap:wrap;gap:.6rem;margin-top:1rem;display:flex}.history-tag{color:#334155;background:#f1f5f9;border:1px solid #cbd5e1;border-radius:9999px;padding:.4rem .85rem;font-size:.9rem;font-weight:600}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes popIn{0%{opacity:0;transform:scale(.6)}80%{transform:scale(1.05)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%{opacity:.9;transform:scale(.98)}to{opacity:1;transform:scale(1.02)}}@media (width<=768px){.navbar{padding:.85rem 1rem}.rollcall-main-box{min-height:420px;padding:1.5rem 1rem}.rollcall-action-bar{flex-direction:column-reverse;gap:1rem}.rollcall-right-actions{flex-wrap:wrap;justify-content:space-between;width:100%}.btn-cancel,.btn-absent,.btn-leave,.btn-present{width:100%;padding:.65rem 1rem;font-size:1.15rem}}