:root{--bg: #0f172a;--surface: #1e293b;--surface-2: #273548;--border: #334155;--accent: #3b82f6;--accent-hover: #2563eb;--text: #f1f5f9;--text-muted: #94a3b8;--text-dim: #64748b;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--radius: 8px;--sidebar-w: 240px;--header-h: 56px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;font-size:14px}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover);text-decoration:underline}button{cursor:pointer;font-family:inherit;font-size:13px;border-radius:var(--radius);border:none;padding:7px 14px;transition:background .15s,opacity .15s}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;font-weight:600}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover:not(:disabled){background:var(--surface-2);color:var(--text)}.btn-danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}.btn-danger:hover:not(:disabled){background:#ef44441a}input,select,textarea{background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:var(--radius);padding:8px 12px;font-family:inherit;font-size:14px;width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:10}.sidebar-logo{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;color:var(--text);text-decoration:none;min-height:var(--header-h)}.sidebar-logo svg{flex-shrink:0}.sidebar-logo:hover{text-decoration:none;color:var(--text)}.sidebar-nav{flex:1;overflow-y:auto;padding:12px 0}.nav-section-label{padding:10px 20px 6px;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim)}.nav-item{display:flex;align-items:center;gap:8px;padding:8px 20px;color:var(--text-muted);cursor:pointer;border:none;background:none;width:100%;text-align:left;font-size:13.5px;border-radius:0;text-decoration:none;transition:background .1s,color .1s}.nav-item:hover{background:var(--surface-2);color:var(--text);text-decoration:none}.nav-item.active{background:#3b82f61f;color:var(--accent);font-weight:600}.sidebar-footer{padding:14px 20px;border-top:1px solid var(--border);font-size:12.5px;color:var(--text-muted)}.sidebar-footer strong{color:var(--text);display:block;margin-bottom:2px}.main-content{margin-left:var(--sidebar-w);flex:1;min-height:100vh;display:flex;flex-direction:column}.page-header{padding:24px 32px 16px;border-bottom:1px solid var(--border);background:var(--surface);display:flex;align-items:flex-end;justify-content:space-between;gap:16px;min-height:72px}.page-header h1{font-size:20px;font-weight:700}.page-header p{color:var(--text-muted);font-size:13px;margin-top:3px}.page-body{padding:28px 32px}.search-bar{display:flex;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:0 12px;gap:8px;max-width:360px;margin-bottom:24px}.search-bar input{border:none;background:transparent;padding:9px 0;flex:1}.search-bar svg{color:var(--text-dim);flex-shrink:0}.doc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.doc-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:8px;cursor:pointer;transition:border-color .15s,box-shadow .15s;text-decoration:none;color:inherit}.doc-card:hover{border-color:var(--accent);box-shadow:0 0 0 1px #3b82f633;text-decoration:none;color:inherit}.doc-card-title{font-size:14px;font-weight:600;color:var(--text)}.doc-card-desc{font-size:13px;color:var(--text-muted);line-height:1.5;flex:1}.doc-card-meta{font-size:11.5px;color:var(--text-dim);display:flex;gap:12px;margin-top:4px}.cat-badge{display:inline-block;font-size:11px;font-weight:600;padding:2px 8px;border-radius:4px;background:#3b82f61f;color:var(--accent)}.role-badge{display:inline-block;font-size:11px;font-weight:600;padding:2px 8px;border-radius:4px;text-transform:uppercase;letter-spacing:.04em}.role-badge.admin{background:#ef44441f;color:var(--danger)}.role-badge.editor{background:#f59e0b1f;color:var(--warning)}.role-badge.viewer{background:#94a3b81f;color:var(--text-muted)}.doc-viewer-header{display:flex;align-items:center;gap:12px;padding:16px 32px;background:var(--surface);border-bottom:1px solid var(--border)}.doc-viewer-header .breadcrumb{color:var(--text-muted);font-size:13px}.doc-viewer-header .breadcrumb a{color:var(--text-muted)}.doc-viewer-header .breadcrumb a:hover{color:var(--text)}.doc-viewer-header .spacer{flex:1}.doc-viewer-meta{font-size:12px;color:var(--text-dim)}.doc-iframe-wrap{flex:1;position:relative}.doc-iframe-wrap iframe{width:100%;height:calc(100vh - 56px);border:none;background:#fff}.data-table{width:100%;border-collapse:collapse}.data-table th{text-align:left;padding:10px 14px;font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim);border-bottom:1px solid var(--border)}.data-table td{padding:13px 14px;border-bottom:1px solid var(--border);font-size:13.5px;vertical-align:middle}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:var(--surface-2)}.form-row{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.form-row label{font-size:13px;color:var(--text-muted);font-weight:500}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.add-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.add-row input{flex:1;min-width:160px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state svg{margin-bottom:12px;opacity:.4}.loading{color:var(--text-muted);padding:40px;text-align:center}.error-msg{color:var(--danger);background:#ef444414;border:1px solid rgba(239,68,68,.2);border-radius:var(--radius);padding:10px 14px;margin-bottom:16px}.success-msg{color:var(--success);background:#22c55e14;border:1px solid rgba(34,197,94,.2);border-radius:var(--radius);padding:10px 14px;margin-bottom:16px}.section-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.section-card-header{padding:14px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.section-card-header h2{font-size:14px;font-weight:600}.section-card-body{padding:20px}