:root{--sidebar-w: 240px;--header-h: 56px;--bg: #f8f9fa;--bg-card: #fff;--bg-sidebar: #1a1a2e;--text: #1a1a1a;--text-muted: #6b7280;--text-sidebar: #e5e7eb;--border: #e5e7eb;--accent: #6366f1;--accent-hover: #4f46e5;--danger: #ef4444;--success: #22c55e;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;color:var(--text);background:var(--bg)}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none;font:inherit}input,textarea,select{font:inherit}table{width:100%;border-collapse:collapse}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg-sidebar);padding:1rem}.login-card{background:#fff;padding:2.5rem;border-radius:12px;width:100%;max-width:380px;box-shadow:0 20px 60px #0003}.login-card h1{font-size:1.5rem;text-align:center;margin-bottom:.25rem}.login-card p{text-align:center;color:var(--text-muted);margin-bottom:1.5rem;font-size:.875rem}.form-group{margin-bottom:1rem}.form-group label{display:block;font-weight:600;margin-bottom:.375rem;font-size:.875rem}.form-group input{width:100%;padding:.625rem .75rem;border:1px solid var(--border);border-radius:var(--radius);outline:none;transition:border-color .15s}.form-group input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #6366f126}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.625rem 1.25rem;border-radius:var(--radius);font-weight:600;font-size:.875rem;transition:all .15s;gap:.5rem}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{opacity:.9}.btn-ghost{color:var(--text-muted)}.btn-ghost:hover{background:var(--border)}.btn-sm{padding:.375rem .75rem;font-size:.8125rem}.btn-block{width:100%}.error-msg{background:#fef2f2;color:var(--danger);padding:.5rem .75rem;border-radius:var(--radius);font-size:.875rem;margin-bottom:1rem;text-align:center}.layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);background:var(--bg-sidebar);color:var(--text-sidebar);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0}.sidebar-brand{padding:1.25rem;font-size:1.25rem;font-weight:700;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-nav{flex:1;padding:.75rem;display:flex;flex-direction:column;gap:.25rem}.sidebar-nav a{display:flex;align-items:center;gap:.75rem;padding:.625rem .75rem;border-radius:var(--radius);font-size:.875rem;transition:background .15s;color:#ffffffb3}.sidebar-nav a:hover,.sidebar-nav a.active{background:#ffffff1a;color:#fff}.sidebar-nav a.active{background:var(--accent)}.sidebar-footer{padding:.75rem;border-top:1px solid rgba(255,255,255,.1)}.main-area{margin-left:var(--sidebar-w);flex:1;min-height:100vh}.topbar{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem;background:var(--bg-card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.topbar h2{font-size:1.125rem}.page-content{padding:1.5rem;max-width:800px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-header{padding:1rem 1.25rem;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.card-body{padding:1.25rem}.link-row{display:flex;align-items:center;gap:.75rem;padding:.625rem .75rem;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.375rem;background:var(--bg-card);cursor:grab;transition:box-shadow .15s}.link-row:hover{box-shadow:var(--shadow)}.link-row:active{cursor:grabbing}.link-row .drag-handle{color:var(--text-muted);cursor:grab;font-size:1rem}.link-row .link-info{flex:1;min-width:0}.link-row .link-info .link-title{font-weight:600;font-size:.875rem}.link-row .link-info .link-url{font-size:.8125rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.link-row .link-status{font-size:.75rem;padding:2px 8px;border-radius:99px}.link-status--active{background:#dcfce7;color:#166534}.link-status--inactive{background:#f3f4f6;color:#6b7280}.link-row .link-actions{display:flex;gap:.25rem}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:50;padding:1rem}.modal{background:#fff;border-radius:12px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto}.modal-header{padding:1.25rem 1.5rem;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-header h3{font-size:1.125rem}.modal-body{padding:1.5rem}.modal-footer{padding:1rem 1.5rem;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:.5rem}.modal-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius);color:var(--text-muted)}.modal-close:hover{background:var(--border)}.theme-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.75rem}.theme-card{border:2px solid var(--border);border-radius:var(--radius);padding:1rem;text-align:center;cursor:pointer;transition:all .15s}.theme-card:hover{border-color:var(--accent)}.theme-card.active{border-color:var(--accent);background:#6366f10d}.theme-card .theme-preview{width:100%;height:60px;border-radius:4px;margin-bottom:.5rem;border:1px solid var(--border)}.theme-card .theme-name{font-weight:600;font-size:.875rem}.social-row-edit{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem}.social-row-edit select{flex:0 0 140px;padding:.5rem;border:1px solid var(--border);border-radius:var(--radius)}.social-row-edit input{flex:1;padding:.5rem;border:1px solid var(--border);border-radius:var(--radius)}.social-row-edit .btn-remove{color:var(--danger);font-size:1.25rem;line-height:1}.empty-state{text-align:center;padding:3rem 1rem;color:var(--text-muted)}.empty-state p{margin-top:.5rem}.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}