:root{--sidebar-width-expanded: 260px;--sidebar-width-collapsed: 64px;--sidebar-bg: #1a1d24;--sidebar-border: rgba(255, 255, 255, .06);--sidebar-text: rgba(255, 255, 255, .9);--sidebar-text-muted: rgba(255, 255, 255, .5);--sidebar-hover: rgba(255, 255, 255, .08);--sidebar-active: rgba(99, 102, 241, .2);--sidebar-active-text: #818cf8;--app-bg: #0f1116;--surface: #161a22;--surface-zebra: #181c24;--surface-hover: #1c212c;--surface-row-hover: #1e232e;--border: rgba(255, 255, 255, .08);--border-strong: rgba(255, 255, 255, .12);--text: rgba(255, 255, 255, .92);--text-muted: rgba(255, 255, 255, .55);--font-sans: "Inter", system-ui, -apple-system, sans-serif;--accent: #6366f1;--accent-hover: #4f46e5;--accent-muted: rgba(99, 102, 241, .15);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--shadow: 0 4px 24px rgba(0, 0, 0, .25);--transition: .2s ease}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:var(--font-sans);font-size:14px;line-height:1.5;color:var(--text);background:var(--app-bg);-webkit-font-smoothing:antialiased}#root{min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;font-size:14px;font-weight:500;font-family:inherit;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition),color var(--transition),border-color var(--transition)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--surface-hover)}.btn:disabled{opacity:.6;cursor:not-allowed}.input{width:100%;padding:10px 12px;font-size:14px;font-family:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);transition:border-color var(--transition),box-shadow var(--transition)}.input::placeholder{color:var(--text-muted)}.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow)}.app-layout{display:flex;min-height:100vh}.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-width-expanded);background:var(--sidebar-bg);border-right:1px solid var(--sidebar-border);display:flex;flex-direction:column;transition:width var(--transition);z-index:100}.sidebar.collapsed{width:var(--sidebar-width-collapsed)}.sidebar-header{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;min-height:56px;padding:0 16px;border-bottom:1px solid var(--sidebar-border)}.sidebar-brand{font-weight:700;font-size:18px;color:var(--sidebar-text);white-space:nowrap;overflow:hidden}.sidebar.collapsed .sidebar-brand{opacity:0;width:0;padding:0;overflow:hidden}.sidebar-toggle{flex-shrink:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--sidebar-text-muted);cursor:pointer;transition:background var(--transition),color var(--transition)}.sidebar-toggle:hover{background:var(--sidebar-hover);color:var(--sidebar-text)}.sidebar-nav{flex:1;overflow-y:auto;overflow-x:hidden;padding:8px 0}.sidebar.collapsed .sidebar-nav{overflow:visible}.nav-section{margin-bottom:4px;position:relative}.nav-section-flyout{position:absolute;left:100%;top:0;z-index:200;min-width:180px;padding:8px 0;margin-left:2px;background:var(--sidebar-bg);border:1px solid var(--sidebar-border);border-radius:var(--radius-md);box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .12s ease,visibility .12s ease}.nav-section-flyout:before{content:"";position:absolute;right:100%;top:0;bottom:0;width:8px}.sidebar.collapsed .nav-section:hover .nav-section-flyout{opacity:1;visibility:visible;pointer-events:auto}.nav-section-flyout{text-align:left}.nav-section-flyout-title{padding:8px 16px 6px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--sidebar-text-muted);border-bottom:1px solid var(--sidebar-border);margin-bottom:4px;text-align:left}.nav-section-flyout .nav-link{padding:8px 16px;display:flex;justify-content:flex-start;align-items:center;border-radius:0;text-align:left}.sidebar.collapsed .nav-section-flyout .nav-link{justify-content:flex-start;padding:8px 16px}.nav-section-flyout .nav-link-icon{display:none}.nav-section-flyout .nav-link span:last-child{display:inline}.sidebar.collapsed .nav-section-flyout .nav-link span:last-child{display:inline}.nav-section-header{display:flex;align-items:center;justify-content:space-between;width:100%;padding:10px 16px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--sidebar-text-muted);background:transparent;border:none;cursor:pointer;transition:background var(--transition),color var(--transition);white-space:nowrap;overflow:hidden}.nav-section-header:hover{background:var(--sidebar-hover);color:var(--sidebar-text)}.sidebar.collapsed .nav-section-header{padding:10px;justify-content:center}.sidebar.collapsed .nav-section-header .nav-section-title{display:none}.sidebar.collapsed .nav-section-header .nav-section-icon{display:flex;align-items:center;justify-content:center;width:28px;height:28px;font-size:14px;font-weight:700;color:var(--sidebar-text-muted);background:var(--sidebar-hover);border-radius:6px}.nav-section-icon{display:none}.nav-section-chevron{flex-shrink:0;width:16px;height:16px;opacity:.7;transition:transform var(--transition)}.nav-section.collapsed .nav-section-chevron{transform:rotate(-90deg)}.sidebar.collapsed .nav-section-chevron{display:none}.nav-section-items{overflow:hidden;max-height:400px;transition:max-height var(--transition)}.nav-section.collapsed .nav-section-items{max-height:0}.sidebar.collapsed .nav-section-items{display:none}.nav-link{display:flex;align-items:center;gap:12px;padding:10px 16px;font-size:13px;color:var(--sidebar-text-muted);text-decoration:none;transition:background var(--transition),color var(--transition);white-space:nowrap;overflow:hidden}.nav-link:hover{background:var(--sidebar-hover);color:var(--sidebar-text)}.nav-link.active{background:var(--sidebar-active);color:var(--sidebar-active-text);font-weight:500}.sidebar.collapsed .nav-link{padding:10px;justify-content:center}.sidebar.collapsed .nav-link span{display:none}.nav-link-icon{flex-shrink:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;color:var(--sidebar-text-muted);background:var(--sidebar-hover);border-radius:4px}.nav-link.active .nav-link-icon{background:var(--accent-muted);color:var(--sidebar-active-text)}.sidebar-footer{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 16px;border-top:1px solid var(--sidebar-border)}.sidebar-footer .sidebar-user{flex:1;min-width:0;font-size:12px;color:var(--sidebar-text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar.collapsed .sidebar-footer{padding:8px 12px;justify-content:center}.sidebar.collapsed .sidebar-footer .sidebar-user{flex:0;font-size:18px;font-weight:600;min-width:24px;text-align:center}.sidebar.collapsed .sidebar-footer .btn span{display:none}.main-content{flex:1;margin-left:var(--sidebar-width-expanded);min-height:100vh;padding:24px;transition:margin-left var(--transition)}.main-content.sidebar-collapsed{margin-left:var(--sidebar-width-collapsed)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(135deg,#0f1116,#1a1d28,#161a22)}.login-page:before{content:"";position:fixed;inset:0;background:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(99,102,241,.15),transparent);pointer-events:none}.login-card{position:relative;width:100%;max-width:380px;padding:40px;background:#161a22d9;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-strong);border-radius:var(--radius-lg);box-shadow:0 24px 48px #0006}.login-card h1{margin:0 0 28px;font-size:24px;font-weight:600;color:var(--text)}.login-card .input{margin-bottom:16px}.login-card .btn-primary{width:100%;padding:12px;margin-top:8px}.login-error{margin-bottom:16px;padding:10px 12px;font-size:13px;color:#f87171;background:#f871711a;border:1px solid rgba(248,113,113,.3);border-radius:var(--radius-sm)}.page-header{display:flex;flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}.page-header h1{margin:0;font-size:24px;font-weight:600;color:var(--text)}.page-header-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.entity-list-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow)}.entity-list-table{width:100%;border-collapse:collapse;table-layout:fixed}.entity-list-table th,.entity-list-table td{padding:0 12px;height:40px;border-bottom:1px solid var(--border);text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:middle}.entity-list-table thead th{font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;background:#0003}.entity-list-table tbody tr{cursor:pointer;transition:background var(--transition);background:var(--surface)}.entity-list-table tbody tr:nth-child(2n){background:var(--surface-zebra)}.entity-list-table tbody tr:hover{background:var(--surface-row-hover)}.entity-list-table tbody tr.selected,.entity-list-table tbody tr.selected:hover{background:var(--sidebar-active)}.entity-list-table tbody tr.mark-deleted{opacity:.85}.entity-list-table tbody tr.mark-deleted td{text-decoration:line-through;color:var(--text-muted)}.detail-form-card{max-width:720px;padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow)}.form-error{margin-bottom:16px;padding:12px;color:#f87171;background:#f871711a;border-radius:var(--radius-sm)}.main-content input:not([type=checkbox]):not([type=radio]),.main-content select,.main-content textarea{width:100%;max-width:100%;padding:10px 12px;font-size:14px;font-family:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);transition:border-color var(--transition),box-shadow var(--transition)}.main-content input:focus,.main-content select:focus,.main-content textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-muted)}.main-content button:not(.btn){padding:8px 16px;font-size:14px;font-weight:500;font-family:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition),border-color var(--transition)}.main-content button:not(.btn):hover:not(:disabled){background:var(--surface-hover);border-color:var(--accent)}.main-content label{color:var(--text-muted);font-weight:500}.md-preview-label{margin-bottom:6px;font-size:12px;color:var(--text-muted)}.md-preview{padding:10px 12px;background:#0000002e;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text)}.md-preview-empty{color:var(--text-muted)}.md-preview :first-child{margin-top:0}.md-preview :last-child{margin-bottom:0}.md-preview p,.md-preview ul,.md-preview ol,.md-preview blockquote,.md-preview pre,.md-preview h1,.md-preview h2,.md-preview h3,.md-preview h4,.md-preview h5,.md-preview h6{margin:0 0 8px}.md-preview code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}.modal-overlay{position:fixed;inset:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:24px}.modal-content{width:100%;max-width:90vw;max-height:85vh;overflow:auto;padding:24px;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-lg);box-shadow:0 24px 48px #0006}.modal-content h2{margin:0 0 16px;font-size:18px;font-weight:600;color:var(--text)}.modal-table{width:100%;border-collapse:collapse;font-size:13px}.modal-table th,.modal-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}.modal-table thead th{font-weight:600;color:var(--text-muted);background:#0003}.modal-table tbody tr{cursor:pointer;transition:background var(--transition);background:var(--surface)}.modal-table tbody tr:nth-child(2n){background:var(--surface-zebra)}.modal-table tbody tr:hover{background:var(--surface-row-hover)}