:root {
    --navy: #0F2447;
    --navy-mid: #1a3460;
    --navy-light: #234080;
    --accent: #1a4fa0;
    --gold: #C4922A;
    --gold-light: #F0C96A;
    --emerald: #1a7a52;
    --surface: #F8F9FB;
    --surface-2: #EFF1F5;
    --border: #DDE1EA;
    --text-main: #1a2035;
    --text-mid: #4a5568;
    --text-muted: #8a94a6;
    --red-state: #b91c1c;
    --amber-state: #b45309;
  }
  * { box-sizing: border-box; }
  html, body { height: 100%; }
  body {
    font-family: 'Source Sans 3', sans-serif;
    background: var(--surface);
    color: var(--text-main);
    font-size: 16px;
    line-height: 1.65;
    margin: 0;
  }

  /* ========== SIDEBAR ========== */
  .sidebar {
    background: var(--navy);
    width: 240px;
    min-height: 100vh;
    position: fixed;
    left: 0; top: 0;
    display: flex;
    flex-direction: column;
    z-index: 50;
  }
  .sidebar-logo {
    padding: 24px 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .sidebar-logo h1 {
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 19px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.01em;
    margin: 0;
    line-height: 1.3;
  }
  .sidebar-logo span {
    font-size: 11px;
    color: rgba(255,255,255,0.45);
    font-weight: 400;
    font-family: 'Source Sans 3', sans-serif;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    display: block;
    margin-top: 3px;
  }
  .nav-section { padding: 8px 0; flex: 1; overflow-y: auto; }
  .nav-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.3);
    padding: 16px 20px 6px;
  }
  .nav-item {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px 20px;
    color: rgba(255,255,255,0.65);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    border-left: 3px solid transparent;
    user-select: none;
  }
  .nav-item:hover { background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.9); }
  .nav-item.active { background: rgba(255,255,255,0.1); color: #fff; border-left-color: var(--gold); }
  .nav-item svg { flex-shrink: 0; opacity: 0.8; }
  .nav-item.active svg { opacity: 1; }
  .nav-badge { margin-left:auto; background:rgba(255,255,255,0.12); color:rgba(255,255,255,0.7); font-size:11px; padding:1px 7px; border-radius:10px; font-weight:600; }
  .nav-badge-ai { margin-left:auto; background:#1a4fa0; color:#a5c0f0; font-size:10px; padding:1px 6px; border-radius:3px; font-weight:700; }
  .sidebar-bottom {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
  }
  .user-chip { display: flex; align-items: center; gap: 10px; }
  .avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--navy-light);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: var(--gold-light);
    flex-shrink: 0;
  }
  .user-name { font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.85); }
  .user-role { font-size: 11px; color: rgba(255,255,255,0.38); }

  /* ========== LAYOUT ========== */
  .main-content { margin-left: 240px; min-height: 100vh; display: flex; flex-direction: column; }
  .topbar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 14px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 30;
  }
  .topbar-greeting h2 {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    color: var(--text-main);
    font-family: 'Source Serif 4', serif;
  }
  .topbar-greeting p { font-size: 13px; color: var(--text-muted); margin: 0; }
  .sync-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: var(--emerald);
    background: #e8f7f0;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 500;
  }
  .sync-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--emerald); }
  .page-body { padding: 28px 32px; flex: 1; }

  /* ========== QUICK ACTIONS ========== */
  .quick-actions {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    margin-bottom: 28px;
  }
  .qa-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 8px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-mid);
    font-family: 'Source Sans 3', sans-serif;
  }
  .qa-btn:hover { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(26,79,160,0.08); transform: translateY(-1px); }
  .qa-icon { width: 40px; height: 40px; border-radius: 8px; display: flex; align-items: center; justify-content: center; }

  /* ========== STATS ========== */
  .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 28px; }
  .stat-card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 18px 20px; }
  .stat-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 6px; }
  .stat-number { font-size: 32px; font-weight: 700; line-height: 1; font-family: 'Source Serif 4', serif; }
  .stat-sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

  /* ========== PANELS ========== */
  .two-col { display: grid; grid-template-columns: 1fr 380px; gap: 20px; }
  .panel { background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
  .panel-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .panel-title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); }

  /* ========== CASES ========== */
  .case-row {
    display: grid;
    grid-template-columns: 1fr auto auto auto;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    border-bottom: 1px solid #F2F4F8;
    cursor: pointer;
    transition: background 0.12s;
  }
  .case-row:hover { background: #F8F9FB; }
  .case-row:last-child { border-bottom: none; }
  .case-name { font-size: 14px; font-weight: 600; color: var(--text-main); }
  .case-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
  .case-court { font-size: 12px; color: var(--text-mid); }
  .case-date { font-size: 12px; color: var(--text-muted); white-space: nowrap; }

  /* ========== BADGES ========== */
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 4px;
    white-space: nowrap;
  }
  .badge-active { background: #e8f0fe; color: #1a4fa0; }
  .badge-prep { background: #fef3cd; color: #92580a; }
  .badge-urgent { background: #fee2e2; color: #991b1b; }
  .badge-closed { background: #f3f4f6; color: #6b7280; }
  .badge-doc { background: #eff6ff; color: #1d4ed8; }
  .badge-demand { background: #fdf2f8; color: #9d174d; }
  .badge-contract { background: #f0fdf4; color: #15803d; }

  /* ========== ACTIVITY ========== */
  .activity-item { display: flex; gap: 12px; padding: 12px 20px; border-bottom: 1px solid #F2F4F8; font-size: 13px; }
  .activity-item:last-child { border-bottom: none; }
  .activity-dot { width: 8px; height: 8px; border-radius: 50%; margin-top: 5px; flex-shrink: 0; }
  .activity-text { color: var(--text-mid); line-height: 1.5; }
  .activity-text strong { color: var(--text-main); font-weight: 600; }
  .activity-time { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

  /* ========== CASO INTERNO ========== */
  .case-header-bar { background: var(--navy); padding: 20px 32px; color: white; }
  .case-breadcrumb {
    font-size: 12px;
    color: rgba(255,255,255,0.45);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    width: fit-content;
  }
  .case-breadcrumb:hover { color: rgba(255,255,255,0.7); }
  .case-title-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
  .case-main-title { font-family: 'Source Serif 4', serif; font-size: 26px; font-weight: 600; margin: 0; line-height: 1.2; }
  .case-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
  .case-chip { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; color: rgba(255,255,255,0.65); background: rgba(255,255,255,0.1); padding: 4px 10px; border-radius: 4px; }
  .state-pill-active { background: #166534; color: #bbf7d0; font-size: 12px; font-weight: 600; padding: 5px 14px; border-radius: 20px; align-self: flex-start; white-space: nowrap; margin-top: 4px; }
  .state-pill-prep { background: #78350f; color: #fde68a; font-size: 12px; font-weight: 600; padding: 5px 14px; border-radius: 20px; align-self: flex-start; white-space: nowrap; margin-top: 4px; }

  /* ========== TABS ========== */
  .tabs-bar {
    background: #fff;
    border-bottom: 2px solid var(--border);
    padding: 0 32px;
    display: flex;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .tabs-bar::-webkit-scrollbar { display: none; }
  .tab {
    padding: 14px 18px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    transition: color 0.15s, border-color 0.15s;
    display: flex;
    align-items: center;
    gap: 7px;
    user-select: none;
  }
  .tab:hover { color: var(--text-main); }
  .tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
  .tab-count { font-size: 11px; background: var(--surface-2); color: var(--text-muted); padding: 1px 6px; border-radius: 10px; font-weight: 600; }
  .tab.active .tab-count { background: #dbeafe; color: var(--accent); }
  .tab-content { padding: 24px 32px; }
  .tab-pane { display: none; }
  .tab-pane.active { display: block; }

  /* ========== RESUMEN ========== */
  .resumen-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .info-block { background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
  .info-block-header { background: var(--surface-2); padding: 10px 16px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); border-bottom: 1px solid var(--border); }
  .info-row { display: flex; padding: 10px 16px; border-bottom: 1px solid #F2F4F8; font-size: 14px; gap: 12px; }
  .info-row:last-child { border-bottom: none; }
  .info-key { color: var(--text-muted); width: 130px; flex-shrink: 0; font-size: 13px; }
  .info-val { color: var(--text-main); font-weight: 500; }
  .summary-text { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 20px; font-size: 15px; line-height: 1.75; color: var(--text-mid); grid-column: 1 / -1; }
  .summary-text h3 { font-family: 'Source Serif 4', serif; font-size: 17px; font-weight: 600; color: var(--text-main); margin: 0 0 10px; }

  /* ========== DOCUMENTOS ========== */
  .dropzone {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 28px;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    background: #fff;
    margin-bottom: 20px;
  }
  .dropzone:hover, .dropzone.dragover { border-color: var(--accent); background: #f0f4ff; color: var(--accent); }
  .doc-table { width: 100%; border-collapse: collapse; }
  .doc-table th { text-align: left; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); padding: 10px 14px; background: var(--surface-2); border-bottom: 1px solid var(--border); border-top: 1px solid var(--border); }
  .doc-table td { padding: 12px 14px; border-bottom: 1px solid #F2F4F8; font-size: 14px; vertical-align: middle; }
  .doc-row { cursor: pointer; transition: background 0.1s; }
  .doc-row:hover { background: #F8F9FB; }
  .doc-name { font-weight: 600; color: var(--text-main); display: flex; align-items: center; gap: 8px; }
  .doc-actions { display: flex; gap: 6px; opacity: 0; transition: opacity 0.15s; }
  .doc-row:hover .doc-actions { opacity: 1; }
  .doc-action-btn {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-mid);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.1s;
    white-space: nowrap;
    font-family: 'Source Sans 3', sans-serif;
  }
  .doc-action-btn:hover { background: var(--accent); color: white; border-color: var(--accent); }

  /* ========== CRONOLOGÍA ========== */
  .timeline { position: relative; padding-left: 28px; }
  .timeline::before { content: ''; position: absolute; left: 9px; top: 8px; bottom: 8px; width: 2px; background: var(--border); }
  .tl-item { position: relative; margin-bottom: 20px; }
  .tl-dot { position: absolute; left: -24px; top: 4px; width: 12px; height: 12px; border-radius: 50%; border: 2px solid #fff; box-shadow: 0 0 0 2px var(--border); }
  .tl-dot.blue { background: var(--accent); box-shadow: 0 0 0 2px #dbeafe; }
  .tl-dot.gold { background: var(--gold); box-shadow: 0 0 0 2px #fef3cd; }
  .tl-dot.green { background: var(--emerald); box-shadow: 0 0 0 2px #d1fae5; }
  .tl-dot.red { background: var(--red-state); box-shadow: 0 0 0 2px #fee2e2; }
  .tl-date { font-size: 12px; color: var(--text-muted); font-weight: 500; margin-bottom: 2px; }
  .tl-event { font-size: 14px; font-weight: 600; color: var(--text-main); }
  .tl-detail { font-size: 13px; color: var(--text-mid); margin-top: 2px; }

  /* ========== TAREAS ========== */
  .task-list { background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
  .task-item { display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid #F2F4F8; transition: background 0.1s; }
  .task-item:hover { background: #F8F9FB; }
  .task-item:last-child { border-bottom: none; }
  .task-check { width: 18px; height: 18px; border-radius: 4px; border: 2px solid var(--border); flex-shrink: 0; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.12s; }
  .task-check:hover { border-color: var(--accent); }
  .task-check.done { background: var(--accent); border-color: var(--accent); }
  .task-name { font-size: 14px; font-weight: 500; }
  .task-name.done { text-decoration: line-through; color: var(--text-muted); }
  .priority-high { color: #dc2626; font-size: 11px; font-weight: 700; background: #fee2e2; padding: 2px 8px; border-radius: 3px; white-space: nowrap; }
  .priority-med { color: var(--amber-state); font-size: 11px; font-weight: 700; background: #fef3cd; padding: 2px 8px; border-radius: 3px; white-space: nowrap; }
  .priority-low { color: var(--emerald); font-size: 11px; font-weight: 700; background: #d1fae5; padding: 2px 8px; border-radius: 3px; white-space: nowrap; }
  .task-date { font-size: 12px; color: var(--text-muted); white-space: nowrap; }

  /* ========== NOTAS ========== */
  .nota-area { width: 100%; min-height: 200px; border: 1px solid var(--border); border-radius: 8px; padding: 16px; font-family: 'Source Sans 3', sans-serif; font-size: 15px; line-height: 1.75; resize: vertical; color: var(--text-main); background: #fff; outline: none; transition: border-color 0.15s; }
  .nota-area:focus { border-color: var(--accent); }

  /* ========== AI PANEL ========== */
  .ai-panel { background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
  .ai-panel-header { background: var(--navy); padding: 14px 20px; display: flex; align-items: center; gap: 10px; color: white; }
  .ai-panel-header h3 { font-size: 14px; font-weight: 600; margin: 0; }
  .ai-panel-header p { font-size: 12px; color: rgba(255,255,255,0.55); margin: 0; }
  .ai-sources { padding: 16px 20px; border-bottom: 1px solid var(--border); }
  .ai-sources-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); margin-bottom: 10px; }
  .source-check { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 6px; margin-bottom: 4px; cursor: pointer; transition: background 0.1s; font-size: 13px; color: var(--text-mid); border: 1px solid transparent; }
  .source-check:hover { background: var(--surface-2); }
  .source-check.selected { background: #eff6ff; border-color: #bfdbfe; color: var(--accent); }
  .source-check input[type=checkbox] { accent-color: var(--accent); width: 15px; height: 15px; cursor: pointer; flex-shrink:0; }
  .ai-actions { padding: 16px 20px; border-bottom: 1px solid var(--border); }
  .ai-actions-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); margin-bottom: 10px; }
  .ai-action-btn {
    display: flex;
    align-items: center;
    gap: 9px;
    width: 100%;
    padding: 10px 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-main);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    margin-bottom: 6px;
    transition: all 0.12s;
    text-align: left;
    font-family: 'Source Sans 3', sans-serif;
  }
  .ai-action-btn:hover { border-color: var(--accent); background: #eff6ff; color: var(--accent); }
  .ai-action-btn:last-child { margin-bottom: 0; }
  .ai-result { padding: 16px 20px; font-size: 13px; line-height: 1.65; color: var(--text-mid); }
  .ai-result-label { display: flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--amber-state); margin-bottom: 10px; background: #fef9ec; padding: 6px 10px; border-radius: 4px; border-left: 3px solid var(--gold); }
  .source-ref { margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--border); font-size: 11px; color: var(--text-muted); }
  .source-ref a { color: var(--accent); text-decoration: none; }
  .source-ref a:hover { text-decoration: underline; }

  /* ========== BUTTONS ========== */
  .btn-primary { display: inline-flex; align-items: center; gap: 7px; background: var(--accent); color: white; font-size: 14px; font-weight: 600; padding: 9px 18px; border-radius: 6px; border: none; cursor: pointer; transition: background 0.15s, transform 0.1s; font-family: 'Source Sans 3', sans-serif; }
  .btn-primary:hover { background: #163e80; transform: translateY(-1px); }
  .btn-outline { display: inline-flex; align-items: center; gap: 7px; background: #fff; color: var(--text-main); font-size: 14px; font-weight: 500; padding: 9px 18px; border-radius: 6px; border: 1px solid var(--border); cursor: pointer; transition: all 0.15s; font-family: 'Source Sans 3', sans-serif; }
  .btn-outline:hover { border-color: var(--accent); color: var(--accent); }
  .btn-ghost { display: inline-flex; align-items: center; gap: 6px; background: transparent; color: var(--text-muted); font-size: 13px; font-weight: 500; padding: 6px 10px; border-radius: 5px; border: none; cursor: pointer; transition: all 0.12s; font-family: 'Source Sans 3', sans-serif; }
  .btn-ghost:hover { background: var(--surface-2); color: var(--text-main); }

  /* ========== SECTION HEADER ========== */
  .section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
  .section-title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); }

  /* ========== SCREENS ========== */
  .screen { display: none; }
  .screen.active { display: flex; flex-direction: column; min-height: 100vh; }

  /* ========== CASO TWO COL ========== */
  .caso-two-col { display: grid; grid-template-columns: 1fr 320px; gap: 20px; align-items: start; }

  /* ========== BUSCAR ========== */
  .search-input {
    width: 100%;
    padding: 12px 16px 12px 44px;
    font-size: 15px;
    border: 2px solid var(--border);
    border-radius: 8px;
    outline: none;
    background: #fff;
    color: var(--text-main);
    font-family: 'Source Sans 3', sans-serif;
    transition: border-color 0.15s;
  }
  .search-input:focus { border-color: var(--accent); }
  .search-wrapper { position: relative; margin-bottom: 20px; }
  .search-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); pointer-events: none; }
  .search-result-row { display: flex; align-items: center; gap: 14px; padding: 14px 20px; border-bottom: 1px solid #F2F4F8; cursor: pointer; transition: background 0.1s; }
  .search-result-row:hover { background: #F8F9FB; }
  .search-result-row:last-child { border-bottom: none; }
  .search-result-icon { width: 36px; height: 36px; border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
  .search-result-label { font-size: 11px; color: var(--text-muted); margin-bottom: 2px; }
  .search-result-title { font-size: 14px; font-weight: 600; color: var(--text-main); }
  .search-result-sub { font-size: 12px; color: var(--text-muted); margin-top: 1px; }
  .search-cat-label { padding: 10px 20px 4px; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); background: var(--surface-2); border-bottom: 1px solid var(--border); }

  /* ========== BIBLIOTECA ========== */
  .lib-filter-bar { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
  .lib-filter-btn { padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 500; border: 1px solid var(--border); background: #fff; color: var(--text-mid); cursor: pointer; transition: all 0.12s; font-family: 'Source Sans 3', sans-serif; }
  .lib-filter-btn:hover { border-color: var(--accent); color: var(--accent); }
  .lib-filter-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
  .lib-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
  .lib-card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 16px 18px; cursor: pointer; transition: box-shadow 0.15s, border-color 0.15s; }
  .lib-card:hover { border-color: var(--accent); box-shadow: 0 2px 12px rgba(26,79,160,0.08); }
  .lib-card-type { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
  .lib-card-title { font-size: 14px; font-weight: 600; color: var(--text-main); margin-bottom: 4px; line-height: 1.4; }
  .lib-card-sub { font-size: 12px; color: var(--text-muted); }
  .lib-card-footer { margin-top: 12px; padding-top: 10px; border-top: 1px solid #F2F4F8; display: flex; align-items: center; justify-content: space-between; }

  /* ========== ASISTENTE IA GLOBAL ========== */
  .chat-container { display: flex; flex-direction: column; height: calc(100vh - 80px); }
  .chat-messages { flex: 1; overflow-y: auto; padding: 20px 32px; display: flex; flex-direction: column; gap: 16px; }
  .chat-bubble { max-width: 70%; padding: 12px 16px; border-radius: 12px; font-size: 14px; line-height: 1.6; }
  .chat-bubble.user { background: var(--accent); color: white; align-self: flex-end; border-bottom-right-radius: 4px; }
  .chat-bubble.ai { background: #fff; border: 1px solid var(--border); color: var(--text-main); align-self: flex-start; border-bottom-left-radius: 4px; }
  .chat-bubble.ai-thinking { background: var(--surface-2); color: var(--text-muted); font-style: italic; align-self: flex-start; }
  .chat-input-bar { padding: 16px 32px; border-top: 1px solid var(--border); background: #fff; display: flex; gap: 12px; align-items: flex-end; }
  .chat-textarea { flex: 1; resize: none; border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; font-family: 'Source Sans 3', sans-serif; font-size: 14px; outline: none; line-height: 1.5; min-height: 44px; max-height: 120px; transition: border-color 0.15s; }
  .chat-textarea:focus { border-color: var(--accent); }
  .chat-send-btn { background: var(--accent); color: white; border: none; border-radius: 8px; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: background 0.15s; flex-shrink: 0; }
  .chat-send-btn:hover { background: #163e80; }
  .chat-meta { font-size: 11px; color: var(--text-muted); text-align: center; padding: 4px 0 12px; }

  /* ========== CONFIGURACIÓN ========== */
  .config-section { background: #fff; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 20px; overflow: hidden; }
  .config-section-header { padding: 14px 20px; border-bottom: 1px solid var(--border); font-size: 13px; font-weight: 700; color: var(--text-main); display: flex; align-items: center; gap: 8px; }
  .config-row { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; border-bottom: 1px solid #F2F4F8; font-size: 14px; }
  .config-row:last-child { border-bottom: none; }
  .config-key { color: var(--text-main); font-weight: 500; }
  .config-sub { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
  .toggle { position: relative; display: inline-block; width: 44px; height: 24px; }
  .toggle input { opacity: 0; width: 0; height: 0; }
  .toggle-slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background: #d1d5db; border-radius: 24px; transition: .3s; }
  .toggle-slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 3px; bottom: 3px; background: white; border-radius: 50%; transition: .3s; }
  .toggle input:checked + .toggle-slider { background: var(--accent); }
  .toggle input:checked + .toggle-slider:before { transform: translateX(20px); }
  .config-input { padding: 7px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; font-family: 'Source Sans 3', sans-serif; outline: none; color: var(--text-main); transition: border-color 0.15s; }
  .config-input:focus { border-color: var(--accent); }

  /* ========== MODAL ========== */
  .modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10,18,40,0.55);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s;
  }
  .modal-overlay.open { opacity: 1; visibility: visible; }
  .modal-box {
    background: #fff;
    border-radius: 10px;
    width: 520px;
    max-width: 95vw;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    transform: translateY(12px);
    transition: transform 0.2s;
  }
  .modal-overlay.open .modal-box { transform: translateY(0); }
  .modal-header { padding: 20px 24px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
  .modal-title { font-family: 'Source Serif 4', serif; font-size: 20px; font-weight: 600; color: var(--text-main); margin: 0; }
  .modal-close { background: none; border: none; cursor: pointer; color: var(--text-muted); padding: 4px; border-radius: 4px; font-size: 18px; line-height: 1; }
  .modal-close:hover { background: var(--surface-2); color: var(--text-main); }
  .modal-body { padding: 20px 24px; }
  .modal-footer { padding: 14px 24px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; }
  .form-group { margin-bottom: 16px; }
  .form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text-main); margin-bottom: 6px; }
  .form-input { width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; font-family: 'Source Sans 3', sans-serif; outline: none; color: var(--text-main); transition: border-color 0.15s; }
  .form-input:focus { border-color: var(--accent); }
  .form-select { width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; font-family: 'Source Sans 3', sans-serif; outline: none; color: var(--text-main); background: #fff; cursor: pointer; }
  .form-select:focus { border-color: var(--accent); outline: none; }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

  /* ========== TOAST ========== */
  .toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 300; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
  .toast {
    background: var(--navy);
    color: #fff;
    padding: 12px 18px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
    pointer-events: all;
  }
  .toast.success { background: #166534; }
  .toast.warning { background: #92400e; }
  .toast.error { background: #991b1b; }
  @keyframes toastIn { from { opacity:0; transform: translateY(10px); } to { opacity:1; transform: translateY(0); } }
  @keyframes toastOut { from { opacity:1; } to { opacity:0; transform: translateY(10px); } }

  /* ========== LISTA CASOS ========== */
  .casos-toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 20px; }
  .casos-search { flex: 1; position: relative; }
  .casos-search-input { width: 100%; padding: 9px 14px 9px 38px; font-size: 14px; border: 1px solid var(--border); border-radius: 6px; outline: none; font-family: 'Source Sans 3', sans-serif; color: var(--text-main); transition: border-color 0.15s; }
  .casos-search-input:focus { border-color: var(--accent); }
  .casos-filter { display: flex; gap: 6px; }
  .filter-chip { padding: 6px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; border: 1px solid var(--border); background: #fff; color: var(--text-mid); cursor: pointer; transition: all 0.12s; font-family: 'Source Sans 3', sans-serif; }
  .filter-chip:hover { border-color: var(--accent); color: var(--accent); }
  .filter-chip.active { background: var(--accent); color: #fff; border-color: var(--accent); }

  /* ========== DOCS GLOBAL ========== */
  .docs-toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 20px; }

  /* ========== RESPONSIVE ========== */
  @media (max-width: 1100px) {
    .quick-actions { grid-template-columns: repeat(3, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .two-col, .caso-two-col { grid-template-columns: 1fr; }
    .resumen-grid { grid-template-columns: 1fr; }
  }