:root{--primary:#4f46e5;--primary-hover:#4338ca;--primary-light:#e0e7ff;--primary-glow:#4f46e540;--secondary:#0ea5e9;--secondary-light:#e0f2fe;--accent-purple:#8b5cf6;--accent-pink:#ec4899;--accent-emerald:#10b981;--accent-amber:#f59e0b;--accent-rose:#f43f5e;--bg-main:#f8fafc;--bg-card:#fff;--bg-card-glass:#ffffffd9;--bg-input:#f1f5f9;--bg-hover:#f8fafc;--border:#e2e8f0;--border-light:#f1f5f9;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--text-inverted:#fff;--shadow-xs:0 1px 2px 0 #0000000a;--shadow-sm:0 1px 3px 0 #00000014, 0 1px 2px -1px #00000014;--shadow-md:0 4px 6px -1px #00000014, 0 2px 4px -2px #0000000f;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -4px #0000000a;--shadow-xl:0 20px 25px -5px #0000001a, 0 8px 10px -6px #0000000a;--shadow-glow:0 0 20px #4f46e533;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:22px;--radius-full:9999px;--sidebar-width:260px;--header-height:68px;--bottom-nav-height:64px;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-normal:.25s cubic-bezier(.4, 0, .2, 1);--transition-slow:.35s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--bg-main:#090d16;--bg-card:#111827;--bg-card-glass:#111827d9;--bg-input:#1e293b;--bg-hover:#1e293b;--border:#1e293b;--border-light:#243248;--text-primary:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#64748b;--text-inverted:#0f172a;--shadow-xs:0 1px 2px 0 #0000004d;--shadow-sm:0 1px 3px 0 #0006;--shadow-md:0 4px 6px -1px #0006;--shadow-lg:0 10px 15px -3px #00000080;--shadow-xl:0 20px 25px -5px #0009;--shadow-glow:0 0 25px #6366f159}*{box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0}html,body{background-color:var(--bg-main);width:100%;height:100%;color:var(--text-primary);font-family:Plus Jakarta Sans,Inter,-apple-system,BlinkMacSystemFont,Segoe 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var(--transition-fast)}.card-elevated:hover{box-shadow:var(--shadow-md)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:var(--radius-full);opacity:.5}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes pulseGlow{0%,to{box-shadow:0 0 15px #4f46e566}50%{box-shadow:0 0 25px #4f46e5b3}}@keyframes spinSlow{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-fade-in{animation:.3s cubic-bezier(.16,1,.3,1) forwards fadeIn}.app-container{background-color:var(--bg-main);min-height:100vh;display:flex}.top-navbar{z-index:40;min-height:var(--header-height);padding-top:env(safe-area-inset-top,0px);background:var(--bg-card-glass);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding-left:1.25rem;padding-right:1.25rem;display:flex;position:sticky;top:0}@media (width<=640px){.top-navbar{padding-left:.75rem;padding-right:.75rem}.brand-logo-wrap{gap:.5rem;font-size:1.05rem}.brand-icon-box{border-radius:8px;width:32px;height:32px}.nav-actions-wrap{gap:.4rem}.role-badge-pill{padding:.25rem .55rem;font-size:.72rem}.icon-btn{width:34px;height:34px}.avatar-img{width:32px;height:32px}}.brand-logo-wrap{letter-spacing:-.02em;color:var(--text-primary);align-items:center;gap:.75rem;font-size:1.25rem;font-weight:800;display:flex}.brand-icon-box{color:#fff;background:linear-gradient(135deg,#4f46e5,#06b6d4);border-radius:12px;justify-content:center;align-items:center;width:40px;height:40px;display:flex;box-shadow:0 4px 12px 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var(--border);background:var(--bg-card);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding:1.2rem 1.5rem;display:flex}.table-search-input{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);align-items:center;gap:.5rem;min-width:260px;height:40px;padding:0 .85rem;display:flex}.table-search-input input{box-shadow:none;background:0 0;border:none;width:100%;padding:0}.table-search-input input:focus{box-shadow:none}.custom-table{border-collapse:collapse;text-align:left;width:100%;font-size:.9rem}.custom-table th{background:var(--bg-input);color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border);padding:.9rem 1.25rem;font-size:.78rem;font-weight:700}.custom-table td{border-bottom:1px solid var(--border-light);color:var(--text-primary);vertical-align:middle;padding:1rem 1.25rem}.custom-table tr:last-child td{border-bottom:none}.custom-table tr:hover td{background:var(--bg-hover)}.badge-status{border-radius:var(--radius-full);align-items:center;gap:.35rem;padding:.28rem .75rem;font-size:.78rem;font-weight:700;display:inline-flex}.badge-present{color:#15803d;background:#dcfce7}.badge-absent{color:#b91c1c;background:#fee2e2}.badge-late{color:#b45309;background:#fef3c7}.badge-paid{color:#15803d;background:#dcfce7}.badge-pending,.badge-urgent{color:#b91c1c;background:#fee2e2}.badge-active{color:#4338ca;background:#e0e7ff}.btn-primary{color:#fff;border-radius:var(--radius-md);transition:all var(--transition-fast);background:linear-gradient(135deg,#4f46e5,#4338ca);align-items:center;gap:.5rem;padding:.65rem 1.25rem;font-size:.9rem;font-weight:600;display:inline-flex;box-shadow:0 4px 12px #4f46e54d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 16px #4f46e566}.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius-md);transition:all var(--transition-fast);align-items:center;gap:.5rem;padding:.65rem 1.25rem;font-size:.9rem;font-weight:600;display:inline-flex}.btn-secondary:hover{background:var(--border)}.btn-success{color:#fff;border-radius:var(--radius-md);background:linear-gradient(135deg,#10b981,#059669);align-items:center;gap:.5rem;padding:.65rem 1.25rem;font-size:.9rem;font-weight:600;display:inline-flex;box-shadow:0 4px 12px #10b9814d}.device-preview-bar{background:var(--bg-card);border-bottom:1px solid var(--border);z-index:60;justify-content:space-between;align-items:center;padding:.5rem 1rem;font-size:.85rem;display:flex}.device-frame-container{background:#0b0f19;justify-content:center;align-items:flex-start;min-height:calc(100vh - 45px);padding:1.5rem;display:flex;overflow-y:auto}.device-frame-phone{background:var(--bg-main);border:12px solid #1e293b;border-radius:48px;flex-direction:column;width:412px;height:870px;display:flex;position:relative;overflow:hidden;box-shadow:0 25px 50px -12px #000000b3,0 0 0 4px #334155}.device-notch-island{z-index:100;background:#000;border-radius:20px;justify-content:space-between;align-items:center;width:120px;height:28px;padding:0 10px;display:flex;position:absolute;top:10px;left:50%;transform:translate(-50%)}.device-notch-camera{background:#111827;border:1px solid #374151;border-radius:50%;width:10px;height:10px}.device-notch-speaker{background:#1f2937;border-radius:4px;width:40px;height:4px}.device-scroll-body{flex:1;position:relative;overflow-y:auto}.student-id-card{color:#fff;background:linear-gradient(135deg,#1e1b4b 0%,#312e81 50%,#4338ca 100%);border:1px solid #fff3;border-radius:24px;max-width:420px;margin:0 auto;padding:1.75rem;position:relative;overflow:hidden;box-shadow:0 20px 35px -10px #4338ca80}.id-card-hologram{pointer-events:none;background:radial-gradient(circle,#ffffff1a 0%,#0000 60%);width:200%;height:200%;position:absolute;top:-50%;right:-50%}.modal-backdrop{-webkit-backdrop-filter:blur(10px);z-index:999999;width:100vw;height:100dvh;padding:calc(env(safe-area-inset-top,12px) + 12px) 1rem calc(env(safe-area-inset-bottom,12px) + 16px) 1rem;-webkit-overflow-scrolling:touch;box-sizing:border-box;background:#0f172abf;justify-content:center;align-items:center;display:flex;position:fixed;inset:0;overflow-y:auto}.modal-dialog{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:620px;max-height:calc(100vh - 3rem - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px));max-height:calc(100dvh - 3rem - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px));box-sizing:border-box;flex-direction:column;margin:auto;animation:.22s cubic-bezier(.16,1,.3,1) modalScaleIn;display:flex;position:relative;overflow:hidden;box-shadow:0 25px 60px -15px #00000080,0 0 0 1px #ffffff14}@keyframes modalScaleIn{0%{opacity:0;transform:scale(.96)translateY(10px)}to{opacity:1;transform:scale(1)translateY(0)}}.modal-header{border-bottom:1px solid var(--border);background:var(--bg-card);z-index:10;flex-shrink:0;justify-content:space-between;align-items:center;padding:1.15rem 1.4rem;display:flex;position:sticky;top:0}.modal-body{-webkit-overflow-scrolling:touch;flex:1;min-height:0;padding:1.25rem 1.4rem 1.5rem;overflow-y:auto}.receipt-sheet{color:#0f172a;border-radius:var(--radius-lg);background:#fff;border:1px dashed #cbd5e1;padding:2rem;font-family:JetBrains Mono,monospace}.child-switcher-bar{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);gap:.75rem;margin-bottom:1.5rem;padding:.75rem;display:flex;overflow-x:auto}.child-tab-card{border-radius:var(--radius-md);background:var(--bg-input);cursor:pointer;transition:all var(--transition-fast);border:1.5px solid #0000;align-items:center;gap:.75rem;min-width:220px;padding:.6rem 1rem;display:flex}.child-tab-card.active{background:var(--primary-light);border-color:var(--primary)}[data-theme=dark] .child-tab-card.active{background:#4f46e533}