:root{--font-sans: "Outfit", "Plus Jakarta Sans", "Sarabun", system-ui, -apple-system, sans-serif;--bg-primary: #0b0f19;--bg-secondary: #111827;--bg-card: rgba(17, 24, 39, .75);--bg-card-hover: rgba(30, 41, 59, .85);--bg-glass: rgba(15, 23, 42, .65);--border-color: rgba(255, 255, 255, .08);--border-focus: #3b82f6;--border-highlight: rgba(59, 130, 246, .3);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-primary: #e11d48;--accent-primary-hover: #f43f5e;--accent-secondary: #0ea5e9;--accent-gradient: linear-gradient(135deg, #e11d48 0%, #be123c 50%, #881337 100%);--accent-glow: 0 0 25px rgba(225, 29, 72, .35);--cf-orange: #f38020;--cf-gradient: linear-gradient(135deg, #faad3f 0%, #f38020 100%);--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--radius-xl: 24px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);--shadow-md: 0 8px 24px rgba(0, 0, 0, .3);--shadow-lg: 0 16px 36px rgba(0, 0, 0, .4)}[data-theme=light]{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-card: rgba(255, 255, 255, .85);--bg-card-hover: #ffffff;--bg-glass: rgba(255, 255, 255, .75);--border-color: #e2e8f0;--border-focus: #2563eb;--border-highlight: rgba(37, 99, 235, .2);--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--accent-primary: #e11d48;--accent-primary-hover: #be123c;--accent-secondary: #0284c7;--accent-gradient: linear-gradient(135deg, #e11d48 0%, #f43f5e 100%);--accent-glow: 0 4px 20px rgba(225, 29, 72, .2);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08);--shadow-lg: 0 12px 28px rgba(0, 0, 0, .12)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased;background-image:radial-gradient(at 0% 0%,rgba(225,29,72,.08) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(14,165,233,.06) 0px,transparent 50%);background-attachment:fixed}.app-container{max-width:1280px;margin:0 auto;padding:24px 20px 80px}.navbar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:var(--bg-glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:var(--radius-lg);margin-bottom:28px;box-shadow:var(--shadow-sm)}.brand-section{display:flex;align-items:center;gap:14px}.brand-icon{width:44px;height:44px;border-radius:var(--radius-md);background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:var(--accent-glow)}.brand-title{font-size:1.25rem;font-weight:700;letter-spacing:-.02em}.brand-subtitle{font-size:.78rem;color:var(--text-secondary)}.nav-actions{display:flex;align-items:center;gap:12px}.cf-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:#f380201f;border:1px solid rgba(243,128,32,.3);color:#faad3f;font-size:.82rem;font-weight:600;cursor:pointer;transition:all .2s ease}.cf-badge:hover{background:#f3802033;transform:translateY(-1px)}.cf-badge .dot{width:8px;height:8px;border-radius:50%;background:#10b981;box-shadow:0 0 8px #10b981}.tabs-header{display:flex;flex-wrap:wrap;gap:6px;background:var(--bg-secondary);padding:6px;border-radius:var(--radius-md);border:1px solid var(--border-color);margin-bottom:24px}@media (max-width: 992px){.tabs-header{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}.tabs-header::-webkit-scrollbar{display:none}}.tab-button{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:var(--radius-sm);border:none;background:transparent;color:var(--text-secondary);font-size:.85rem;font-weight:600;font-family:inherit;cursor:pointer;transition:all .18s ease;white-space:nowrap;flex-shrink:0}.tab-button:hover{color:var(--text-primary);background:#ffffff0f}.tab-button.active{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-sm)}.dropzone-container{border:2px dashed var(--border-highlight);background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:var(--radius-lg);padding:48px 24px;text-align:center;cursor:pointer;transition:all .25s ease;position:relative}.dropzone-container:hover,.dropzone-container.dragging{border-color:var(--accent-primary);background:var(--bg-card-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}.dropzone-icon{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:#e11d481f;color:var(--accent-primary);display:flex;align-items:center;justify-content:center;transition:transform .2s ease}.dropzone-container:hover .dropzone-icon{transform:scale(1.1)}.dropzone-title{font-size:1.15rem;font-weight:600;margin-bottom:6px}.dropzone-subtitle{font-size:.85rem;color:var(--text-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-md);font-weight:600;font-size:.92rem;font-family:inherit;cursor:pointer;border:1px solid transparent;transition:all .2s ease;text-decoration:none}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:var(--accent-glow)}.btn-primary:hover:not(:disabled){opacity:.92;transform:translateY(-1px)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border-color:var(--border-color)}.btn-secondary:hover:not(:disabled){background:var(--bg-card-hover);border-color:var(--border-focus)}.btn-danger{background:#ef444426;color:#f87171;border-color:#ef44444d}.btn-danger:hover:not(:disabled){background:#ef4444;color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.btn-sm{padding:6px 12px;font-size:.82rem;border-radius:var(--radius-sm)}.glass-card{background:var(--bg-card);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);margin-bottom:24px}.pages-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:20px;margin-top:24px}.page-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:12px;display:flex;flex-direction:column;align-items:center;position:relative;transition:all .2s ease;-webkit-user-select:none;user-select:none}.page-card:hover{border-color:var(--border-highlight);transform:translateY(-3px);box-shadow:var(--shadow-md)}.page-card.deleted{opacity:.35;filter:grayscale(1);border-style:dashed}.thumbnail-wrapper{width:140px;height:198px;background:#fff;border-radius:4px;overflow:hidden;display:flex;align-items:center;justify-content:center;margin-bottom:12px;box-shadow:0 2px 6px #00000026;position:relative}.thumbnail-img{max-width:100%;max-height:100%;object-fit:contain;transition:transform .25s ease}.page-badge{position:absolute;top:6px;left:6px;background:#0f172acc;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#fff;font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:999px}.page-actions{display:flex;gap:6px;width:100%;justify-content:center}.icon-btn{background:#ffffff0f;border:1px solid var(--border-color);color:var(--text-secondary);width:32px;height:32px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s ease}.icon-btn:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:var(--border-focus)}.icon-btn.danger:hover{background:#ef4444;color:#fff;border-color:#ef4444}.file-item{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);margin-bottom:10px;transition:all .2s ease}.file-item:hover{border-color:var(--border-highlight)}.file-info{display:flex;align-items:center;gap:14px}.file-name{font-weight:600;font-size:.95rem}.file-meta{font-size:.78rem;color:var(--text-muted)}.form-group{margin-bottom:18px}.form-label{display:block;font-size:.88rem;font-weight:600;margin-bottom:8px;color:var(--text-primary)}.form-control,.form-select{width:100%;padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-family:inherit;font-size:.92rem;transition:border-color .2s ease}.form-control:focus,.form-select:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px #3b82f626}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:999;padding:20px;animation:fadeIn .2s ease-out}.modal-content{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);max-width:680px;width:100%;max-height:90vh;overflow-y:auto;padding:32px;box-shadow:var(--shadow-lg);position:relative}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border-color)}.close-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;font-size:1.25rem;padding:4px;border-radius:4px}.close-btn:hover{color:var(--text-primary)}.code-box{background:#000;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);padding:14px 18px;font-family:monospace;font-size:.85rem;color:#38bdf8;overflow-x:auto;margin:12px 0}@keyframes fadeIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.animate-spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.navbar{flex-direction:column;align-items:flex-start;gap:14px}.nav-actions{width:100%;justify-content:space-between}.pages-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}}