:root {
  --primary: #1565c0;
  --primary-dark: #0d47a1;
  --primary-light: #e3f2fd;
  --accent: #ef6c00;
  --accent-light: #fff3e0;
  --success: #2e7d32;
  --success-light: #e8f5e9;
  --warning: #f9a825;
  --danger: #c62828;
  --danger-light: #ffebee;
  --text-dark: #212121;
  --text-muted: #616161;
  --bg: #f5f7fa;
  --surface: #ffffff;
  --border: #e0e0e0;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 20px rgba(0,0,0,0.08);
  --radius: 10px;
  --radius-sm: 6px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text-dark); line-height: 1.6; min-height: 100vh; display: flex; flex-direction: column; overflow-x: clip; }
a { color: var(--primary); }

.header { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: white; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; box-shadow: var(--shadow); position: sticky; top: 0; z-index: 100; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: 1.1rem; text-decoration: none; color: white; }
.brand-icon { width: 36px; height: 36px; background: rgba(255,255,255,0.15); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; }
.brand-sub { font-size: 0.75rem; font-weight: 400; opacity: 0.85; }

.nav-links { display: flex; gap: 4px; }
.nav-links a { background: rgba(255,255,255,0.12); color: white; text-decoration: none; padding: 8px 14px; border-radius: 6px; font-size: 0.88rem; font-weight: 500; transition: background 0.2s; }
.nav-links a:hover, .nav-links a.active { background: rgba(255,255,255,0.25); }

.user-chip { display: flex; align-items: center; gap: 10px; background: rgba(255,255,255,0.15); padding: 6px 14px; border-radius: 20px; font-size: 0.85rem; }
.logout-btn { background: transparent; color: white; border: 1px solid rgba(255,255,255,0.3); padding: 4px 10px; border-radius: 6px; cursor: pointer; font-size: 0.8rem; }
.logout-btn:hover { background: rgba(255,255,255,0.2); }

.mode-switch { display: flex; gap: 4px; background: rgba(255,255,255,0.12); padding: 4px; border-radius: 8px; }
.mode-btn { background: transparent; color: white; border: none; padding: 8px 16px; border-radius: 6px; cursor: pointer; font-weight: 500; font-size: 0.9rem; display: flex; align-items: center; gap: 6px; }
.mode-btn.active { background: white; color: var(--primary); }

.main { flex: 1; display: grid; grid-template-columns: 280px 1fr 320px; gap: 16px; padding: 16px; max-width: 1400px; margin: 0 auto; width: 100%; }

.topbar { background: var(--surface); padding: 8px 24px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; max-width: 1400px; margin: 0 auto; width: 100%; gap: 12px; }

.sidebar, .citations-panel, .content-box { background: var(--surface); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.sidebar h3, .citations-panel h3 { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 12px; }

.scenario-list { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.scenario-item { padding: 10px 12px; border-radius: var(--radius-sm); cursor: pointer; font-size: 0.9rem; transition: background 0.15s; display: flex; align-items: center; gap: 8px; }
.scenario-item:hover { background: var(--primary-light); }
.scenario-item .num { width: 22px; height: 22px; border-radius: 50%; background: var(--primary); color: white; font-size: 0.75rem; display: flex; align-items: center; justify-content: center; font-weight: 600; flex-shrink: 0; }

.suggested-questions { margin-top: 20px; }
.suggested-q { background: var(--primary-light); color: var(--primary-dark); padding: 8px 12px; border-radius: var(--radius-sm); font-size: 0.82rem; margin-bottom: 6px; cursor: pointer; border: 1px solid transparent; transition: all 0.15s; }
.suggested-q:hover { border-color: var(--primary); }

.chat-panel { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); display: flex; flex-direction: column; min-height: 600px; }
.ai-banner { background: var(--accent-light); color: var(--accent); padding: 10px 16px; font-size: 0.85rem; font-weight: 500; border-radius: var(--radius) var(--radius) 0 0; border-bottom: 1px solid var(--border); }
.chat-messages { flex: 1; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 16px; max-height: 65vh; max-height: 65dvh; }

.message { display: flex; gap: 10px; max-width: 85%; animation: fadeIn 0.3s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
.message.user { align-self: flex-end; flex-direction: row-reverse; }
.message-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.message.user .message-avatar { background: var(--primary); color: white; }
.message-content { background: var(--bg); padding: 12px 14px; border-radius: 12px; font-size: 0.93rem; }
.message.user .message-content { background: var(--primary); color: white; }
.message-content h1, .message-content h2, .message-content h3, .message-content h4 { margin: 0.4em 0 0.2em; font-size: 1em; font-weight: 600; }
.message-content ul, .message-content ol { margin: 0.4em 0; padding-left: 1.4em; }
.message-content li { margin: 0.2em 0; }
.message-content p { margin: 0.4em 0; }
.message-content table { border-collapse: collapse; margin: 0.6em 0; font-size: 0.88em; width: 100%; }
.message-content table th, .message-content table td { border: 1px solid var(--border); padding: 5px 8px; text-align: left; }
.message-content table th { background: var(--primary-light); font-weight: 600; }
.message-content code { background: rgba(0,0,0,0.05); padding: 1px 5px; border-radius: 3px; font-size: 0.85em; }
.message-content a { color: var(--primary); text-decoration: underline; }

.citations-inline { margin-top: 10px; padding-top: 8px; border-top: 1px dashed var(--border); display: flex; flex-wrap: wrap; gap: 6px; }
.citation-chip { background: var(--primary-light); color: var(--primary-dark); padding: 3px 8px; border-radius: 4px; font-size: 0.75rem; cursor: pointer; border: 1px solid rgba(21, 101, 192, 0.2); }
.citation-chip:hover { background: var(--primary); color: white; }

.message-meta { font-size: 0.72rem; color: var(--text-muted); margin-top: 6px; display: flex; gap: 10px; flex-wrap: wrap; }
.message-meta .tag { background: rgba(0,0,0,0.05); padding: 1px 6px; border-radius: 4px; }

.message-actions { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }
.action-btn { background: var(--primary); color: white; border: none; padding: 7px 14px; border-radius: var(--radius-sm); cursor: pointer; font-size: 0.82rem; font-weight: 500; transition: background 0.15s; }
.action-btn:hover { background: var(--primary-dark); }
.action-btn.secondary { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.action-btn.warning { background: var(--warning); color: white; }
.action-btn.success { background: var(--success); color: white; }
.action-btn.danger { background: var(--danger); color: white; }
.action-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.officer-confirm-row { margin-top: 10px; padding: 8px 12px; background: #fff8e1; border-left: 3px solid var(--warning); border-radius: var(--radius-sm); font-size: 0.85rem; display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }

.chat-input-wrap { padding: 14px; border-top: 1px solid var(--border); border-radius: 0 0 var(--radius) var(--radius); }
.chat-input-form { display: flex; gap: 8px; }
.chat-input { flex: 1; padding: 12px 16px; border: 1.5px solid var(--border); border-radius: 24px; font-size: 0.95rem; font-family: inherit; outline: none; }
.chat-input:focus { border-color: var(--primary); }
.send-btn { background: var(--primary); color: white; border: none; width: 46px; height: 46px; min-width: 44px; min-height: 44px; border-radius: 50%; font-size: 1.1rem; cursor: pointer; }
.send-btn:hover { background: var(--primary-dark); }
.send-btn:disabled { background: var(--border); cursor: not-allowed; }

.citation-card { background: var(--primary-light); border-left: 3px solid var(--primary); padding: 10px 12px; border-radius: var(--radius-sm); margin-bottom: 8px; font-size: 0.85rem; cursor: pointer; }
.citation-card .doc { font-weight: 600; color: var(--primary-dark); margin-bottom: 3px; }
.citation-card .section { color: var(--text-muted); font-size: 0.8rem; }
.citation-card .sim { float: right; font-size: 0.72rem; background: var(--primary); color: white; padding: 1px 6px; border-radius: 8px; }
.citation-placeholder { text-align: center; color: var(--text-muted); padding: 30px 10px; font-size: 0.85rem; }

.status-widget { padding: 10px 12px; border-radius: 8px; font-size: 0.85rem; margin-bottom: 12px; }
.status-widget.ok { background: var(--success-light); color: var(--success); }
.status-widget.warn { background: #fff8e1; color: #f57c00; }
.status-widget.error { background: var(--danger-light); color: var(--danger); }

.stats { display: flex; gap: 8px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
.stat { flex: 1; text-align: center; }
.stat-value { font-size: 1.2rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; }

.typing-indicator { display: inline-flex; gap: 4px; padding: 10px 14px; }
.typing-indicator span { width: 8px; height: 8px; border-radius: 50%; background: var(--text-muted); opacity: 0.4; animation: typing 1.4s infinite; }
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing { 0%, 60%, 100% { opacity: 0.4; transform: scale(1); } 30% { opacity: 1; transform: scale(1.2); } }

.footer { text-align: center; padding: 12px; font-size: 0.8rem; color: var(--text-muted); background: var(--surface); border-top: 1px solid var(--border); }
.footer strong { color: var(--primary); }

/* Login page */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%); padding: 20px; }
.login-card { background: white; border-radius: 16px; padding: 40px; max-width: 440px; width: 100%; box-shadow: 0 10px 40px rgba(0,0,0,0.2); }
.login-logo { text-align: center; font-size: 3rem; margin-bottom: 10px; }
.login-title { text-align: center; font-size: 1.5rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 4px; }
.login-sub { text-align: center; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 28px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.88rem; color: var(--text-dark); }
.form-input, .form-select, .form-textarea { width: 100%; padding: 10px 12px; border: 1.5px solid var(--border); border-radius: 8px; font-size: 0.95rem; font-family: inherit; }
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--primary); }
.form-textarea { min-height: 80px; resize: vertical; }
.login-btn { width: 100%; padding: 12px; background: var(--primary); color: white; border: none; border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer; }
.login-btn:hover { background: var(--primary-dark); }
.login-error { background: var(--danger-light); color: var(--danger); padding: 10px; border-radius: 6px; font-size: 0.85rem; margin-bottom: 16px; }
.login-hint { background: var(--primary-light); padding: 12px; border-radius: 8px; margin-top: 20px; font-size: 0.82rem; color: var(--text-muted); }

/* Admin page */
.admin-container { max-width: 1200px; margin: 20px auto; padding: 0 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .admin-container { grid-template-columns: 1fr; } }
.upload-zone { border: 2.5px dashed var(--primary); border-radius: 12px; padding: 40px 20px; text-align: center; background: var(--primary-light); cursor: pointer; transition: background 0.2s; }
.upload-zone:hover { background: #bbdefb; }
.doc-list { max-height: 600px; overflow-y: auto; }
.doc-item { padding: 12px; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 8px; }
.doc-item .title { font-weight: 600; color: var(--primary-dark); }
.doc-item .meta { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 0.72rem; font-weight: 600; margin-right: 4px; }
.badge-public { background: var(--success-light); color: var(--success); }
.badge-internal { background: var(--accent-light); color: var(--accent); }
.badge-officer { background: var(--primary-light); color: var(--primary-dark); }

/* Audit page */
.audit-container { max-width: 1200px; margin: 20px auto; padding: 0 20px; }
.audit-filters { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.audit-table { width: 100%; border-collapse: collapse; background: white; border-radius: 8px; overflow: hidden; box-shadow: var(--shadow); }
.audit-table th { background: var(--primary); color: white; padding: 10px 12px; text-align: left; font-size: 0.82rem; text-transform: uppercase; }
.audit-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 0.88rem; vertical-align: top; }
.audit-table tr:hover { background: var(--primary-light); }
.audit-details { font-family: 'Consolas', monospace; font-size: 0.78rem; background: var(--bg); padding: 6px 8px; border-radius: 4px; white-space: pre-wrap; word-break: break-word; max-width: 400px; }
.action-CHAT_QUERY { color: var(--primary); }
.action-LOGIN_SUCCESS { color: var(--success); }
.action-LOGIN_FAILED { color: var(--danger); }
.action-DOCUMENT_UPLOAD { color: var(--accent); }
.action-CHAT_CONFIRM { color: var(--success); font-weight: 600; }
.action-REPORT_EXPORT_DOCX { color: var(--primary-dark); }

/* =========================================================
   M3 BI Dashboard
   ========================================================= */
.dash-container { max-width: 1400px; margin: 18px auto; padding: 0 20px; display: flex; flex-direction: column; gap: 16px; }

.dash-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; background: var(--surface); padding: 14px 18px; border-radius: var(--radius); box-shadow: var(--shadow); flex-wrap: wrap; }
.ai-chip { display: inline-block; background: var(--accent-light); color: var(--accent); padding: 1px 8px; border-radius: 10px; font-size: 0.72rem; font-weight: 600; margin-left: 4px; }
.lgsp-chip { background: var(--primary-light); color: var(--primary-dark); padding: 8px 14px; border-radius: 20px; font-size: 0.85rem; }
.lgsp-chip.ok { background: var(--success-light); color: var(--success); }
.lgsp-chip.warn { background: #fff8e1; color: #f57c00; }

.kpi-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.kpi-placeholder { grid-column: 1 / -1; text-align: center; padding: 40px; background: var(--surface); border-radius: var(--radius); color: var(--text-muted); }
.kpi-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px; display: flex; gap: 12px; align-items: center; border-left: 3px solid var(--primary); transition: transform 0.15s, box-shadow 0.15s; }
.kpi-card:hover { transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.kpi-icon { width: 40px; height: 40px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; background: var(--primary-light); border-radius: 8px; }
.kpi-body { min-width: 0; flex: 1; }
.kpi-value { font-size: 1.4rem; font-weight: 700; color: var(--primary-dark); line-height: 1.15; }
.kpi-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }

.dash-actions { display: flex; gap: 10px; flex-wrap: wrap; background: var(--surface); padding: 12px 16px; border-radius: var(--radius); box-shadow: var(--shadow); }
.dash-actions .action-btn { font-size: 0.88rem; padding: 8px 14px; }

.dash-charts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px; }
.chart-title { font-size: 0.95rem; font-weight: 600; color: var(--primary-dark); margin-bottom: 10px; }
.chart-canvas { height: 320px; width: 100%; }
.chart-canvas.map { border-radius: var(--radius-sm); overflow: hidden; }

.dash-footer-note { background: var(--primary-light); color: var(--primary-dark); padding: 10px 14px; border-radius: var(--radius-sm); font-size: 0.78rem; line-height: 1.6; }

@media (max-width: 1200px) {
  .kpi-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 900px) {
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
  .dash-charts { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .dash-container { padding: 0 12px; margin: 12px auto; gap: 12px; }
  .dash-toolbar { padding: 12px; gap: 8px; }
  .dash-toolbar > div:first-child h2 { font-size: 1rem; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .kpi-card { padding: 10px; gap: 8px; }
  .kpi-icon { width: 34px; height: 34px; font-size: 1.15rem; }
  .kpi-value { font-size: 1.15rem; }
  .kpi-label { font-size: 0.7rem; }
  .dash-actions { padding: 10px; }
  .dash-actions .action-btn { flex: 1 1 calc(50% - 10px); font-size: 0.78rem; padding: 8px 10px; text-align: center; }
  .chart-canvas { height: 260px; }
}

/* =========================================================
   Responsive / Mobile optimizations
   Breakpoints: 1200 (tablet landscape) / 900 (tablet) / 640 (phone) / 420 (small phone)
   ========================================================= */

/* iOS safe areas + prevent input zoom baseline */
@supports (padding: env(safe-area-inset-bottom)) {
  .chat-input-wrap { padding-bottom: calc(14px + env(safe-area-inset-bottom)); }
  .footer { padding-bottom: calc(12px + env(safe-area-inset-bottom)); }
}

/* 1200px — shrink sidebars to save space */
@media (max-width: 1200px) {
  .main { grid-template-columns: 240px 1fr 280px; gap: 12px; padding: 12px; }
  .header { padding: 12px 18px; }
  .topbar { padding: 8px 18px; }
}

/* 1000px — hide right-side citations panel (info remains inline in messages) */
@media (max-width: 1000px) {
  .main { grid-template-columns: 220px 1fr; }
  .citations-panel { display: none; }
}

/* 900px — single column, sidebar becomes horizontal-scroll strip above chat */
@media (max-width: 900px) {
  .main { grid-template-columns: 1fr; gap: 10px; padding: 10px; }

  /* Sidebar compacted, scrollable carousel of scenarios */
  .sidebar { padding: 12px; }
  .sidebar h3 { font-size: 0.75rem; margin-bottom: 8px; }
  #queueWidget .status-widget { padding: 8px 10px; font-size: 0.8rem; margin-bottom: 8px; }
  .scenario-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .scenario-item {
    min-height: 44px;
    padding: 10px 12px;
    background: var(--primary-light);
    font-size: 0.82rem;
    white-space: normal;
    align-items: flex-start;
  }
  .scenario-item > span:last-child { line-height: 1.3; }
  .suggested-questions { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 6px; }
  .suggested-questions h3 { flex-basis: 100%; margin-bottom: 4px; }
  .suggested-q { margin: 0; font-size: 0.78rem; padding: 10px 12px; min-height: 44px; display: flex; align-items: center; }

  .chat-panel { min-height: 60vh; min-height: 60dvh; }
  .chat-messages { max-height: none; padding: 16px; }
}

/* 640px — phone layout: compact header, full-width controls, safe-area */
@media (max-width: 640px) {
  .header { padding: 10px 12px; flex-wrap: wrap; gap: 8px; }
  .brand { font-size: 1rem; gap: 10px; flex: 1 1 auto; min-width: 0; }
  .brand-icon { width: 32px; height: 32px; font-size: 1.1rem; }
  .brand-sub { display: none; }
  .header > div:last-child { flex-wrap: wrap; gap: 8px !important; width: 100%; justify-content: flex-end; }
  /* Collapse to natural width when nav-links will be hidden (single-link anonymous case) */
  .header:has(.nav-links a:only-child) > div:last-child { width: auto; flex: 0 1 auto; }
  .nav-links { order: 3; width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; padding-bottom: 2px; scrollbar-width: none; }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a { flex: 0 0 auto; white-space: nowrap; padding: 6px 10px; font-size: 0.8rem; }
  /* Hide redundant nav row when only one link (anonymous users on chat page) */
  .nav-links:has(a:only-child) { display: none; }
  /* Compact the anonymous login link */
  .header > div:last-child > a[href*="login"] { padding: 6px 12px !important; font-size: 0.8rem !important; border-radius: 20px !important; }
  .user-chip { padding: 4px 10px; font-size: 0.78rem; gap: 6px; max-width: 100%; min-width: 0; flex-wrap: nowrap; }
  .user-chip strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100px; min-width: 0; }
  .logout-btn { padding: 3px 8px; font-size: 0.74rem; }

  /* Top bar (health + mode switch) stacks vertically */
  .topbar { flex-direction: column; align-items: stretch; padding: 8px 12px; gap: 8px; }
  .topbar #healthIndicator { text-align: center; font-size: 0.76rem; }
  .mode-switch { width: 100%; }
  .mode-switch .mode-btn { flex: 1; justify-content: center; padding: 9px 10px; font-size: 0.82rem; }

  /* Chat bubbles wider, avatars smaller */
  .ai-banner { font-size: 0.76rem; padding: 8px 12px; line-height: 1.45; }
  .chat-messages { padding: 12px; gap: 12px; }
  .message { max-width: 94%; gap: 8px; }
  .message-avatar { width: 30px; height: 30px; font-size: 0.95rem; }
  .message-content { padding: 9px 12px; font-size: 0.9rem; border-radius: 10px; }
  .message-content table { font-size: 0.78em; display: block; overflow-x: auto; white-space: nowrap; }
  .message-meta { font-size: 0.7rem; gap: 6px; }
  .message-actions .action-btn { font-size: 0.78rem; padding: 6px 10px; }
  .officer-confirm-row { font-size: 0.78rem; padding: 6px 10px; gap: 8px; }
  .officer-confirm-row .action-btn { padding: 4px 8px !important; }

  /* Chat input — 16px font prevents iOS auto-zoom */
  .chat-input-wrap { padding: 10px; }
  .chat-input { padding: 10px 14px; font-size: 16px; }
  .send-btn { width: 44px; height: 44px; font-size: 1rem; }

  .footer { padding: 10px 12px; font-size: 0.72rem; line-height: 1.5; }

  /* Login */
  .login-page { padding: 14px; min-height: 100dvh; }
  .login-card { padding: 26px 20px; border-radius: 12px; }
  .login-logo { font-size: 2.4rem; }
  .login-title { font-size: 1.25rem; }
  .login-sub { font-size: 0.82rem; margin-bottom: 20px; }
  .form-input, .form-select, .form-textarea { font-size: 16px; }
  .login-hint { font-size: 0.76rem; padding: 10px; }
  .login-hint table { font-size: 0.72rem !important; }

  /* Admin */
  .admin-container { grid-template-columns: 1fr; padding: 0 12px; margin: 12px auto; gap: 12px; }
  .admin-container > section { padding: 14px; }
  .upload-zone { padding: 24px 14px; }
  .upload-zone > div:first-child { font-size: 2.4rem !important; }
  .admin-grid-2 { grid-template-columns: 1fr !important; }
  .doc-list { max-height: none; }
  .doc-item .meta { font-size: 0.74rem; line-height: 1.8; }
  .doc-item .meta .badge { margin-right: 4px; }
  .doc-item .meta .action-btn { float: none !important; display: block; width: 100%; text-align: center; margin-top: 6px; }

  /* Audit — stack table rows as cards with data-labels */
  .audit-container { padding: 0 10px; margin: 12px auto; }
  .audit-container > div:first-child { flex-direction: column; align-items: flex-start !important; gap: 6px; }
  .audit-container > div:first-child h2 { font-size: 1.1rem; }
  #stats { grid-template-columns: repeat(2, 1fr) !important; gap: 8px !important; }
  #stats .content-box { padding: 10px !important; }
  #stats .content-box > div:first-child { font-size: 1.2rem !important; }
  .audit-filters { flex-direction: column; align-items: stretch; }
  .audit-filters .form-select { width: 100% !important; }
  .audit-filters .action-btn { width: 100%; text-align: center; }
  .audit-table, .audit-table tbody, .audit-table tr, .audit-table td { display: block; width: 100%; }
  .audit-table { box-shadow: none; background: transparent; }
  .audit-table thead { display: none; }
  .audit-table tr { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; margin-bottom: 10px; padding: 10px 12px; box-shadow: var(--shadow); }
  .audit-table td { padding: 4px 0 !important; border: none !important; font-size: 0.82rem; white-space: normal !important; }
  .audit-table td[data-label]::before { content: attr(data-label); font-weight: 600; color: var(--text-muted); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.4px; display: block; margin-bottom: 2px; }
  .audit-table td:not([data-label]) { text-align: center; padding: 16px 0 !important; color: var(--text-muted); }
  .audit-details { max-width: 100% !important; font-size: 0.72rem; }
  #pagination { flex-direction: column; gap: 10px; align-items: stretch !important; }
  #pagination > div:last-child { justify-content: space-between; }
  #pagination .action-btn { flex: 1; }
}

/* 420px — ultra small phones */
@media (max-width: 420px) {
  .brand { font-size: 0.92rem; }
  .brand-icon { width: 28px; height: 28px; font-size: 1rem; }
  .scenario-list { grid-template-columns: 1fr; }
  .scenario-item { font-size: 0.82rem; }
  .message-content { font-size: 0.86rem; padding: 8px 10px; }
  .ai-banner { font-size: 0.72rem; }
  .stats .stat-value { font-size: 1rem; }
  .nav-links a { padding: 5px 8px; font-size: 0.75rem; }
  .login-card { padding: 22px 16px; }
}