:root{--bg: #0f172a;--surface: #1e293b;--surface-alt: #172033;--border: #334155;--text: #e2e8f0;--text-muted: #94a3b8;--accent: #f97316;--accent-soft: rgba(249, 115, 22, .15);--accent-dark: #ea580c;--success: #4ade80;--success-soft: rgba(74, 222, 128, .15);--warning: #fbbf24;--warning-soft: rgba(251, 191, 36, .15);--danger: #f87171;--danger-soft: rgba(248, 113, 113, .15);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .25);--shadow: 0 2px 8px rgba(0, 0, 0, .35);--radius: 12px;--radius-sm: 8px}html{color-scheme:dark}*{box-sizing:border-box}body{margin:0;background-color:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px}.app-shell{display:flex;flex-direction:column;min-height:100vh}.topnav{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50;box-shadow:var(--shadow-sm)}.topnav-inner{max-width:1300px;margin:0 auto;padding:.6rem 1.5rem;display:flex;align-items:center;gap:2rem}.topnav-brand{display:flex;align-items:center;gap:.75rem;flex-shrink:0}.topnav-brand .logo{width:40px;height:40px;background:var(--accent-soft);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:22px;overflow:hidden}.topnav-brand .logo img{width:100%;height:100%;object-fit:cover;display:block}.topnav-brand-text{display:flex;flex-direction:column;line-height:1.1}.topnav-brand-text h6{margin:0;font-weight:700;font-size:15px;color:var(--text)}.topnav-brand-text small{color:var(--text-muted);font-size:10px;text-transform:uppercase;letter-spacing:.05em}.topnav-links{display:flex;align-items:center;gap:.5rem;flex:1;justify-content:center}.topnav-links a{position:relative;display:inline-flex;align-items:center;gap:.5rem;padding:1rem 1.1rem;color:var(--text-muted);text-decoration:none;font-weight:500;font-size:14px;transition:color .15s}.topnav-links 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input.error{border-color:var(--danger)}.form-field .error-text{color:var(--danger);font-size:12px;margin-top:.3rem}.image-upload{border:2px dashed var(--border);border-radius:var(--radius);padding:1.5rem;text-align:center;background:var(--surface-alt)}.image-upload img{max-width:100%;max-height:220px;border-radius:var(--radius-sm);margin-bottom:.75rem}.image-upload .upload-btn{background:var(--surface);border:1px solid var(--border);padding:.45rem 1rem;border-radius:var(--radius-sm);font-size:13px;cursor:pointer;color:var(--text)}.image-upload .upload-btn:hover{border-color:var(--accent);color:var(--accent)}.image-upload .meta{color:var(--text-muted);font-size:12px;margin-top:.4rem}.tips-card{background:var(--accent-soft);border:1px solid rgba(249,115,22,.3);border-radius:var(--radius);padding:1rem 1.2rem}.tips-card h6{display:flex;align-items:center;gap:.5rem;margin:0 0 .6rem;font-weight:700;color:var(--accent);font-size:14px}.tips-card 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h2{font-size:1.3rem}.form-row,.form-row.three{grid-template-columns:1fr!important}.card-soft{padding:1rem 1.1rem}.modal-card{padding:1.4rem 1.25rem 1rem}.btn-row{flex-wrap:wrap}.btn-row .btn{flex:1 1 auto}}@media (max-width: 480px){body{font-size:13px}.main{padding:.85rem .75rem 3rem}.topnav-inner{gap:.5rem}.topnav-brand-text{display:none}.topnav-links{gap:.1rem}.topnav-links a{padding:.7rem .5rem;font-size:12px}.topnav-links .nav-icon{display:none}.page-header .header-icon{width:44px;height:44px;font-size:18px}.page-header h2{font-size:1.15rem}.topbar{margin-bottom:1rem}.data-table th,.data-table td{padding:.6rem;font-size:12px}.badge-status{font-size:10px;padding:.2rem .45rem}}.table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.table-scroll .data-table{min-width:720px}.mobile-card-view{display:none}@media (max-width: 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