/* =========================================
   BASE STYLES — extracted from base.html
   ========================================= */
:root {
  /* Core palette */
  --bg: #f5f7fb;
  --card: #ffffff;
  --ink: #15233b;
  --ink-secondary: #495057;
  --ink-hover: #343a40;
  --muted: #5f6f8c;
  --accent: #007a64;
  --accent-light: #e6f5f1;
  /* Status */
  --danger: #aa2838;
  --danger-light: #fbeced;
  --warning: #c97a1a;
  --warning-light: #fef4e6;
  --success: #2e7d32;
  --success-light: #e8f5e9;
  /* Severity (report-specific) */
  --high: #e67e22;
  --high-light: #fff8f0;
  --caution: #ffc107;
  /* Borders & surfaces */
  --line: #d8dfeb;
  --border: #e9ecef;
  --bg-subtle: #f8f9fa;
  --bg-muted: #e8ecf2;
  /* Links */
  --link: #0d6efd;
  --link-hover: #0b5ed7;
  /* Noteworthy */
  --note-bg: #fff8e1;
  --note-border: #ffe082;
  --note-accent: #ffa000;
  --note-text: #5d4037;
  --note-icon: #f57c00;
  /* Type scale */
  --text-xs: 11px;
  --text-sm: 13px;
  --text-base: 15px;
  --text-lg: 17px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 28px;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.45 "Segoe UI", Tahoma, sans-serif; }

/* =========================================
   APP SHELL — sidebar + main content
   ========================================= */
.app-shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  background: var(--card);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  z-index: 100;
}
.sidebar-brand {
  padding: 16px 16px 12px;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.sidebar-brand a {
  color: inherit;
  text-decoration: none;
}
.sidebar-brand .brand-sub {
  display: block;
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--muted);
  margin-top: 2px;
}
.sidebar-nav {
  flex: 1;
  padding: 8px 0;
}
.sidebar-section-label {
  padding: 12px 16px 4px;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
}
.sidebar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-secondary);
  text-decoration: none;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  transition: background 0.12s, color 0.12s;
  border-left: 3px solid transparent;
}
.sidebar-item:hover {
  background: var(--bg-subtle);
  color: var(--ink);
}
.sidebar-item.active {
  background: var(--accent-light);
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}
.sidebar-item .item-icon {
  font-size: 16px;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
}
.sidebar-count {
  margin-left: auto;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--muted);
  background: var(--bg-muted);
  padding: 1px 6px;
  border-radius: 8px;
}
.sidebar-divider {
  height: 1px;
  background: var(--line);
  margin: 8px 16px;
}
.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: var(--text-xs);
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-footer .theme-toggle {
  position: static;
  width: 30px;
  height: 30px;
  font-size: 14px;
  box-shadow: none;
}
.sidebar-user {
  width: 100%;
  margin-bottom: 6px;
  font-size: var(--text-xs);
  color: var(--ink-secondary);
}
.sidebar-user-email {
  display: block;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 160px;
}
.sidebar-badge {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}
.sidebar-badge.admin {
  background: var(--accent-light);
  color: var(--accent);
}
.sidebar-user-actions {
  display: flex;
  gap: 8px;
  margin-top: 2px;
}
.sidebar-action-link {
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
}
.sidebar-action-link:hover { color: var(--accent); }
.sidebar-logout {
  background: none;
  border: none;
  padding: 0;
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
  text-decoration: none;
}
.sidebar-logout:hover { color: var(--danger); }

/* Quota badge on index */
.quota-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--bg-subtle);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 12px;
}
.quota-label { color: var(--muted); }
.quota-value { font-weight: 600; }
.quota-warn { color: var(--warning); font-weight: 600; font-size: var(--text-sm); }
.quota-err { color: var(--danger); font-weight: 600; font-size: var(--text-sm); }

/* Mobile top bar — hidden on desktop */
.mobile-topbar {
  display: none;
}

/* Main content area */
.main-content { max-width: 980px; margin: 24px auto; padding: 0 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px 24px; margin-bottom: 16px; }
h1, h2, h3 { margin: 0 0 12px; }
.muted { color: var(--muted); }
label { display: block; margin: 10px 0 4px; font-weight: 600; }
input[type="text"] { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: var(--text-base); }
input[type="text"]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > div { flex: 1; min-width: 220px; }
button, .btn {
  display: inline-block; padding: 10px 14px; border-radius: 8px; border: 0; text-decoration: none;
  background: var(--accent); color: #fff; font-weight: 600; cursor: pointer; font-size: var(--text-base);
  transition: background 0.15s, opacity 0.15s;
}
button:hover, .btn:hover { opacity: 0.9; }
.btn.secondary { background: #384869; }
.status-running { color: #93660b; font-weight: 700; }
.status-completed { color: var(--accent); font-weight: 700; }
.status-failed { color: var(--danger); font-weight: 700; }
pre { white-space: pre-wrap; word-break: break-word; background: #0f1728; color: #e6edf7; padding: 14px; border-radius: 10px; }
ul { margin: 0; padding-left: 20px; }

/* Page header */
.page-header { text-align: center; padding: 8px 0 4px; }
.page-header h1 { font-size: 26px; margin-bottom: 6px; }
.page-header .subtitle { color: var(--muted); font-size: var(--text-base); max-width: 520px; margin: 0 auto; }

/* Drop zone */
.drop-zone {
  border: 2px dashed var(--line); border-radius: 12px; padding: 40px 20px;
  text-align: center; cursor: pointer; transition: border-color 0.2s, background 0.2s;
  position: relative;
}
.drop-zone:hover { border-color: var(--accent); background: var(--accent-light); }
.drop-zone.dragover { border-color: var(--accent); background: var(--accent-light); border-style: solid; }
.drop-zone .drop-icon { font-size: 36px; color: var(--muted); margin-bottom: 8px; }
.drop-zone .drop-text { font-size: var(--text-base); color: var(--ink); }
.drop-zone .drop-hint { font-size: var(--text-sm); color: var(--muted); margin-top: 6px; }

/* File info after selection */
.file-info {
  display: flex; align-items: center; gap: 10px; padding: 10px 14px;
  background: var(--accent-light); border-radius: 8px; margin-top: 12px;
}
.file-info .file-name { font-weight: 600; flex: 1; }
.file-info .file-size { color: var(--muted); font-size: var(--text-sm); }
.file-info .file-remove {
  background: none; border: none; cursor: pointer; color: var(--muted); font-size: 18px;
  padding: 0 4px; line-height: 1; transition: color 0.15s;
}
.file-info .file-remove:hover { color: var(--danger); }

/* Appendix upload */
.appendix-section { margin: 12px 0 4px; }
.appendix-toggle { cursor: pointer; font-weight: 600; font-size: var(--text-base); color: var(--ink); padding: 6px 0; }
.appendix-toggle:hover { color: var(--accent); }
.appendix-drop-zone {
  border: 2px dashed var(--line); border-radius: 10px; padding: 20px 16px;
  text-align: center; cursor: pointer; transition: border-color 0.2s, background 0.2s;
  margin-top: 8px;
}
.appendix-drop-zone:hover { border-color: var(--accent); background: var(--accent-light); }
.appendix-drop-zone.dragover { border-color: var(--accent); background: var(--accent-light); border-style: solid; }
.appendix-list { margin-top: 8px; }
.appendix-item {
  display: flex; align-items: center; gap: 8px; padding: 6px 10px;
  background: var(--accent-light); border-radius: 6px; margin-bottom: 4px; font-size: 14px;
}
.appendix-item .app-name { flex: 1; font-weight: 500; }
.appendix-item .app-size { color: var(--muted); font-size: 12px; }
.appendix-item .app-remove {
  background: none; border: none; cursor: pointer; color: var(--muted); font-size: 16px;
  padding: 0 2px; line-height: 1; transition: color 0.15s;
}
.appendix-item .app-remove:hover { color: var(--danger); }
.appendix-stats { font-size: var(--text-sm); color: var(--muted); margin-top: 4px; }

/* Mode cards */
.mode-cards { display: flex; gap: 12px; margin-top: 8px; }
.mode-card {
  flex: 1; padding: 14px 16px; border: 2px solid var(--line); border-radius: 10px;
  cursor: pointer; transition: border-color 0.15s, background 0.15s; text-align: center;
}
.mode-card:hover { border-color: var(--accent); }
.mode-card.selected { border-color: var(--accent); background: var(--accent-light); }
.mode-card .mode-title { font-weight: 700; font-size: var(--text-base); margin-bottom: 4px; }
.mode-card .mode-desc { font-size: var(--text-sm); color: var(--muted); }

/* Protection cards */
.protection-cards { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.protection-card {
  flex: 1; min-width: 110px; padding: 12px 10px; border: 2px solid var(--line); border-radius: 10px;
  cursor: pointer; transition: border-color 0.15s, background 0.15s; text-align: center;
}
.protection-card:hover { border-color: var(--accent); }
.protection-card.selected { border-color: var(--accent); background: var(--accent-light); }
.protection-card.locked { cursor: default; opacity: 0.85; }
.protection-card.locked .prot-title::after { content: " \2713"; font-size: var(--text-xs); }
.protection-card .prot-icon { font-size: 22px; margin-bottom: 4px; }
.protection-card .prot-title { font-weight: 700; font-size: 14px; margin-bottom: 3px; }
.protection-card .prot-desc { font-size: var(--text-xs); color: var(--muted); line-height: 1.3; }
.protection-disclaimer {
  font-size: 12px; color: var(--muted); margin-top: 6px; font-style: italic;
}
.protection-warning {
  font-size: 12px; color: var(--warning); margin-top: 4px;
  padding: 6px 10px; background: var(--warning-light); border-radius: 6px;
}

/* Anonymization badge */
.anon-badge {
  display: inline-block; padding: 3px 10px; border-radius: 12px;
  font-size: 12px; font-weight: 600; background: var(--accent-light); color: var(--accent);
}

/* Hint text */
.hint { font-size: var(--text-sm); color: var(--muted); margin-top: 4px; }

/* Warning banner */
.warning-banner {
  background: var(--warning-light); border: 1px solid var(--warning);
  border-radius: 10px; padding: 12px 16px; font-size: var(--text-sm);
  color: #6b4f0a; line-height: 1.5; margin-bottom: 16px;
}
.warning-banner strong { font-weight: 700; }

/* Submit button states */
.submit-btn {
  width: 100%; padding: 14px; font-size: 16px; margin-top: 16px;
  border-radius: 10px; border: 0; font-weight: 700; cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}
.submit-btn.disabled { background: #c0c7d4; color: #fff; cursor: not-allowed; }
.submit-btn.active { background: var(--accent); color: #fff; cursor: pointer; }
.submit-btn.active:hover { opacity: 0.9; }
.submit-btn--loading {
  position: relative;
  pointer-events: none;
  opacity: 0.8;
}
.submit-btn--loading::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}
@keyframes btn-spin {
  to { transform: rotate(360deg); }
}

/* Recent analyses list */
.recent-item {
  display: flex; align-items: center; gap: 12px; padding: 10px 14px;
  border: 1px solid var(--line); border-radius: 8px; margin-bottom: 8px;
  text-decoration: none; color: var(--ink); transition: border-color 0.15s;
}
.recent-item:hover { border-color: var(--accent); }
.recent-item .recent-name { font-weight: 600; flex: 1; }
.recent-item .recent-date { font-size: var(--text-sm); color: var(--muted); }
.recent-item .recent-id { font-size: var(--text-xs); color: var(--muted); font-family: monospace; }

/* Severity badges (outline variant) */
.severity-badge, .badge--outline {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.3px;
}
.severity-badge.critical, .badge--outline.critical { background: var(--danger-light); color: var(--danger); }
.severity-badge.high, .badge--outline.high { background: var(--warning-light); color: var(--warning); }
.severity-badge.low, .badge--outline.low { background: var(--success-light); color: var(--success); }

/* Demo link */
.demo-link { color: var(--muted); font-size: 14px; text-decoration: none; }
.demo-link:hover { color: var(--accent); text-decoration: underline; }

/* Footer */
.page-footer { text-align: center; padding: 12px 0 24px; }
.page-footer .version { font-size: 12px; color: var(--muted); margin-top: 6px; }

/* Progress steps */
.progress-steps { list-style: none; padding: 0; margin: 0; }
.progress-step {
  display: flex; align-items: center; gap: 10px; padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.progress-step:last-child { border-bottom: none; }
.progress-step .step-icon {
  width: 24px; height: 24px; border-radius: 50%; display: flex;
  align-items: center; justify-content: center; font-size: var(--text-sm);
  flex-shrink: 0;
}
.progress-step .step-icon.pending { background: var(--bg-muted); color: var(--muted); }
.progress-step .step-icon.running { background: var(--warning-light); color: var(--warning); }
.progress-step .step-icon.completed { background: var(--success-light); color: var(--success); }
.progress-step .step-icon.failed { background: var(--danger-light); color: var(--danger); }
.progress-step .step-name { font-weight: 600; flex: 1; }
.progress-step .step-status { font-size: var(--text-sm); color: var(--muted); }

/* Step result text */
.progress-step .step-result { font-style: italic; color: var(--success); font-weight: 400; font-size: var(--text-sm); }

/* Spinner animation */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner-icon { animation: spin 1s linear infinite; display: inline-block; }

/* Analysis header */
.analysis-header { text-align: center; padding: 8px 0 12px; }
.analysis-header h1 { font-size: 22px; margin-bottom: 6px; word-break: break-word; }
.analysis-nav { display: flex; justify-content: center; gap: 16px; margin-bottom: 10px; }
.analysis-nav a { color: var(--accent); text-decoration: none; font-size: 14px; }
.analysis-nav a:hover { text-decoration: underline; }
.analysis-meta { display: flex; justify-content: center; align-items: center; gap: 10px; flex-wrap: wrap; }

/* Status and mode badges */
.status-badge {
  display: inline-block; padding: 3px 10px; border-radius: 12px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.3px;
}
.status-badge.status-running { background: var(--warning-light); color: var(--warning); }
.status-badge.status-completed { background: var(--success-light); color: var(--success); }
.status-badge.status-failed { background: var(--danger-light); color: var(--danger); }
.status-badge.status-queued { background: var(--bg-muted); color: var(--muted); }
.mode-badge {
  display: inline-block; padding: 3px 10px; border-radius: 12px;
  font-size: 12px; font-weight: 600; background: var(--bg-muted); color: var(--muted);
}
.meta-id { font-size: var(--text-xs); color: var(--muted); font-family: monospace; }

/* Timer and progress header/footer */
.timer-text { font-family: "Consolas", "Courier New", monospace; font-size: 16px; font-weight: 700; color: var(--ink); }
.progress-header { display: flex; justify-content: space-between; align-items: center; }
.progress-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 2px; }

/* Detector list */
.detector-list { margin: 8px 0; }
.detector-item {
  display: flex; align-items: center; gap: 8px; padding: 5px 0;
  border-bottom: 1px solid var(--line); font-size: 14px;
}
.detector-item:last-child { border-bottom: none; }
.det-icon {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
.det-icon.det-found { background: var(--danger); }
.det-icon.det-clear { background: var(--success); }
.det-icon.det-error { background: var(--warning); }
.det-icon.det-running { background: var(--warning); animation: pulse 1s infinite; }
.det-icon.det-na { background: #c0c7d4; }
@keyframes pulse { 50% { opacity: 0.4; } }
.det-id { font-family: monospace; font-size: 12px; color: var(--muted); min-width: 28px; }
.det-name { flex: 1; }
.det-status { font-size: var(--text-sm); color: var(--muted); text-align: right; min-width: 60px; }
.expand-btn {
  display: block; margin: 10px auto 0; padding: 6px 16px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--card); color: var(--muted); font-size: var(--text-sm);
  cursor: pointer; transition: border-color 0.15s;
}
.expand-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Tech log (debug) */
.tech-log { margin-top: 16px; }
.tech-log summary { cursor: pointer; color: var(--muted); font-size: var(--text-sm); padding: 8px 0; }
.tech-log pre { font-size: 12px; max-height: 400px; overflow-y: auto; }

/* Progress bar */
.progress-bar-container {
  width: 100%; height: 8px; background: var(--bg-muted); border-radius: 4px;
  overflow: hidden; margin: 12px 0 4px;
}
.progress-bar-fill {
  height: 100%; background: var(--accent); border-radius: 4px;
  transition: width 0.4s ease;
}

/* Completion/error blocks */
.result-block { padding: 16px 20px; border-radius: 10px; margin-top: 12px; }
.result-block.success { background: var(--success-light); border: 1px solid var(--success); }
.result-block.error { background: var(--danger-light); border: 1px solid var(--danger); }
.result-block .result-title { font-weight: 700; font-size: 16px; margin-bottom: 6px; }
.result-block.success .result-title { color: var(--success); }
.result-block.error .result-title { color: var(--danger); }

/* About grid */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 12px;
}
.about-item {
  display: flex; align-items: flex-start; gap: 10px;
}
.about-icon { font-size: 24px; flex-shrink: 0; line-height: 1; }
.about-text strong { display: block; font-size: 14px; }
.about-text span { font-size: var(--text-sm); color: var(--muted); }
@media (max-width: 600px) {
  .about-grid { grid-template-columns: 1fr; }
}

/* Anonymization demo */
.anon-example {
  font-family: "Consolas", "Courier New", monospace; font-size: var(--text-sm);
  background: #f8f9fc; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; white-space: pre-wrap; word-break: break-word;
  line-height: 1.6; margin-top: 10px;
}
.anon-token {
  display: inline; padding: 1px 6px; border-radius: 4px;
  font-size: 12px; font-weight: 600; cursor: default;
  white-space: nowrap;
}
.anon-token.level-1 { background: #dbeafe; color: #1e40af; }
.anon-token.level-2 { background: #fef3c7; color: #92400e; }
.anon-token.level-3 { background: #ede9fe; color: #5b21b6; }
.anon-token.level-4 { background: #fecaca; color: #991b1b; }
.anon-controls {
  display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 8px;
}
.anon-check {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 400; cursor: pointer; margin: 0;
  user-select: none;
}
.anon-check input[type="checkbox"] { width: 16px; height: 16px; cursor: pointer; margin: 0; accent-color: var(--accent); }
.anon-legend-dot {
  display: inline-block; width: 10px; height: 10px; border-radius: 50%;
  vertical-align: middle;
}
.anon-legend-dot.l1 { background: #1e40af; }
.anon-legend-dot.l2 { background: #92400e; }
.anon-legend-dot.l3 { background: #5b21b6; }
.anon-legend-dot.l4 { background: #991b1b; }
.anon-stats { font-size: var(--text-sm); color: var(--muted); margin-top: 8px; }
.anon-stats strong { color: var(--ink); }

/* Provider badge */
.provider-badge {
  display: inline-block; padding: 3px 10px; border-radius: 12px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.3px;
}
.provider-badge.provider-anthropic { background: var(--bg-muted); color: #384869; }
.provider-badge.provider-gemini { background: #fff3e0; color: #e65100; }

/* Settings page table */
.settings-table { width: 100%; border-collapse: collapse; }
.settings-table td { padding: 10px 0; border-bottom: 1px solid var(--line); }
.settings-table td:first-child { font-weight: 600; width: 220px; }
.settings-table tr:last-child td { border-bottom: none; }

/* Settings page utility classes */
.analysis-nav--settings { margin-bottom: 16px; }
.settings-provider-row { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.settings-hint { margin-top: 0; font-size: 14px; }
.settings-pre { font-size: 13px; }
.settings-note { font-size: 14px; color: var(--muted); margin-top: 12px; }
.status-ok { color: var(--success); font-weight: 600; }
.status-err { color: var(--danger); font-weight: 600; }
.status-avail { color: var(--success); }
.settings-test-result { margin-top: 12px; display: none; }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 768px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .mobile-topbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--card);
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .mobile-topbar .mobile-brand {
    font-weight: 700;
    font-size: 14px;
    color: var(--ink);
    text-decoration: none;
    margin-right: auto;
  }
  .mobile-topbar .theme-toggle {
    position: static;
    width: 32px;
    height: 32px;
    font-size: 14px;
    box-shadow: none;
  }
  .mobile-tabs {
    display: flex;
    gap: 2px;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 0 12px 8px;
    background: var(--card);
    border-bottom: 1px solid var(--line);
  }
  .mobile-tabs::-webkit-scrollbar { display: none; }
  .mobile-tab {
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
  }
  .mobile-tab:hover { color: var(--ink); }
  .mobile-tab.active { color: var(--link); border-bottom-color: var(--link); }
  .main-content { padding: 0 12px; margin: 16px auto; }
  .card { padding: 16px; }
  .page-header h1 { font-size: 22px; }
  .mode-cards { gap: 8px; }
  .protection-cards { gap: 6px; }
  .protection-card { min-width: 90px; padding: 10px 8px; }
  .about-grid { grid-template-columns: 1fr; }
  .row { flex-direction: column; }
  .row > div { min-width: 0; }
  .analysis-header h1 { font-size: 20px; }
  .drop-zone { padding: 28px 16px; }
  /* Footer — stack vertically on tablet */
  .page-footer { padding: 10px 0 16px; }
  /* Recent items — prevent overflow */
  .recent-item { flex-wrap: wrap; gap: 6px; }
  .recent-item .recent-date { flex-basis: 100%; }
  /* Progress header/footer — prevent overflow */
  .progress-header { flex-wrap: wrap; gap: 4px; }
  .progress-footer { flex-wrap: wrap; gap: 4px; }
  /* Settings table — shrink key column */
  .settings-table td:first-child { width: 140px; }
}

@media (max-width: 480px) {
  .main-content { padding: 0 8px; margin: 10px auto; }
  .card { padding: 14px 12px; border-radius: 10px; }
  .page-header h1 { font-size: 20px; }
  .mode-cards { flex-direction: column; }
  .mode-card { padding: 12px; }
  .protection-cards { flex-direction: column; }
  .protection-card { min-width: 0; padding: 10px 12px; }
  .drop-zone { padding: 24px 12px; }
  .drop-zone .drop-icon { font-size: 28px; }
  .analysis-meta { flex-direction: column; gap: 6px; }
  .analysis-nav { gap: 10px; }
  .submit-btn { padding: 12px; font-size: var(--text-base); }
  /* Footer — full vertical stack on phone */
  .page-footer { text-align: center; }
  /* Recent items — single column */
  .recent-item { flex-direction: column; align-items: flex-start; gap: 4px; }
  .recent-item .recent-name { flex: none; }
  /* File info — prevent overflow */
  .file-info { flex-wrap: wrap; }
  .file-info .file-name { min-width: 0; word-break: break-all; }
  /* Appendix items — prevent overflow */
  .appendix-item { flex-wrap: wrap; }
  .appendix-item .app-name { min-width: 0; word-break: break-all; }
  /* Settings table — stack key/value */
  .settings-table td { display: block; padding: 4px 0; }
  .settings-table td:first-child { width: auto; border-bottom: none; padding-bottom: 0; }
  /* Progress header/footer — stack vertically */
  .progress-header { flex-direction: column; align-items: flex-start; }
  .progress-footer { flex-direction: column; align-items: flex-start; }
  /* Detector list — shrink status label */
  .det-status { min-width: 0; }
  /* Minimum tap targets */
  button, .btn, .mode-card, .protection-card { min-height: 44px; }
  .tab-btn { min-height: 44px; }
  /* Touch targets for remove buttons */
  .file-info .file-remove { min-width: 44px; min-height: 44px; display: flex; align-items: center; justify-content: center; }
  .appendix-item .app-remove { min-width: 44px; min-height: 44px; display: flex; align-items: center; justify-content: center; }
}

/* =========================================
   DARK MODE
   ========================================= */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1117;
    --card: #1a1d26;
    --ink: #e0e4eb;
    --ink-secondary: #a8b2c1;
    --ink-hover: #c8d0dc;
    --muted: #8b95a8;
    --accent: #3ec9a7;
    --accent-light: #1a2e2a;
    --danger: #f87171;
    --danger-light: #2d1b1e;
    --warning: #fbbf24;
    --warning-light: #2d2513;
    --success: #4ade80;
    --success-light: #1a2d1e;
    --high: #fb923c;
    --high-light: #2d2013;
    --caution: #fcd34d;
    --line: #2d3344;
    --border: #2d3344;
    --bg-subtle: #1f2230;
    --bg-muted: #252836;
    --link: #60a5fa;
    --link-hover: #93bbfd;
    --note-bg: #2d2513;
    --note-border: #5c4a1a;
    --note-accent: #f59e0b;
    --note-text: #fcd34d;
    --note-icon: #f59e0b;
    color-scheme: dark;
  }
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) pre { background: #0a0e18; color: #c8d5e6; }
  html:not([data-theme="light"]) .btn.secondary { background: #3d4663; }
  html:not([data-theme="light"]) .status-running { color: var(--warning); }
  html:not([data-theme="light"]) .submit-btn.disabled { background: #3d4663; color: #8b95a8; }
  html:not([data-theme="light"]) .anon-example { background: #1f2230; }
  html:not([data-theme="light"]) .anon-token.level-1 { background: #1e3a5f; color: #93bbfd; }
  html:not([data-theme="light"]) .anon-token.level-2 { background: #3d2e0f; color: #fcd34d; }
  html:not([data-theme="light"]) .anon-token.level-3 { background: #2d1f5e; color: #c4b5fd; }
  html:not([data-theme="light"]) .anon-token.level-4 { background: #3d1f1f; color: #fca5a5; }
  html:not([data-theme="light"]) .anon-legend-dot.l1 { background: #60a5fa; }
  html:not([data-theme="light"]) .anon-legend-dot.l2 { background: #fbbf24; }
  html:not([data-theme="light"]) .anon-legend-dot.l3 { background: #a78bfa; }
  html:not([data-theme="light"]) .anon-legend-dot.l4 { background: #f87171; }
  html:not([data-theme="light"]) .provider-badge.provider-anthropic { background: #252836; color: #a8b2c1; }
  html:not([data-theme="light"]) .provider-badge.provider-gemini { background: #2d2013; color: #fb923c; }
  html:not([data-theme="light"]) .warning-banner { color: #fcd34d; }
  html:not([data-theme="light"]) .det-icon.det-na { background: #3d4663; }
}

[data-theme="dark"] {
  --bg: #0f1117;
  --card: #1a1d26;
  --ink: #e0e4eb;
  --ink-secondary: #a8b2c1;
  --ink-hover: #c8d0dc;
  --muted: #8b95a8;
  --accent: #3ec9a7;
  --accent-light: #1a2e2a;
  --danger: #f87171;
  --danger-light: #2d1b1e;
  --warning: #fbbf24;
  --warning-light: #2d2513;
  --success: #4ade80;
  --success-light: #1a2d1e;
  --high: #fb923c;
  --high-light: #2d2013;
  --caution: #fcd34d;
  --line: #2d3344;
  --border: #2d3344;
  --bg-subtle: #1f2230;
  --bg-muted: #252836;
  --link: #60a5fa;
  --link-hover: #93bbfd;
  --note-bg: #2d2513;
  --note-border: #5c4a1a;
  --note-accent: #f59e0b;
  --note-text: #fcd34d;
  --note-icon: #f59e0b;
  color-scheme: dark;
}
[data-theme="dark"] pre { background: #0a0e18; color: #c8d5e6; }
[data-theme="dark"] .btn.secondary { background: #3d4663; }
[data-theme="dark"] .status-running { color: var(--warning); }
[data-theme="dark"] .submit-btn.disabled { background: #3d4663; color: #8b95a8; }
[data-theme="dark"] .anon-example { background: #1f2230; }
[data-theme="dark"] .anon-token.level-1 { background: #1e3a5f; color: #93bbfd; }
[data-theme="dark"] .anon-token.level-2 { background: #3d2e0f; color: #fcd34d; }
[data-theme="dark"] .anon-token.level-3 { background: #2d1f5e; color: #c4b5fd; }
[data-theme="dark"] .anon-token.level-4 { background: #3d1f1f; color: #fca5a5; }
[data-theme="dark"] .anon-legend-dot.l1 { background: #60a5fa; }
[data-theme="dark"] .anon-legend-dot.l2 { background: #fbbf24; }
[data-theme="dark"] .anon-legend-dot.l3 { background: #a78bfa; }
[data-theme="dark"] .anon-legend-dot.l4 { background: #f87171; }
[data-theme="dark"] .provider-badge.provider-anthropic { background: #252836; color: #a8b2c1; }
[data-theme="dark"] .provider-badge.provider-gemini { background: #2d2013; color: #fb923c; }
[data-theme="dark"] .warning-banner { color: #fcd34d; }
[data-theme="dark"] .det-icon.det-na { background: #3d4663; }

/* Skip navigation link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 9999;
  padding: 10px 16px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: var(--text-base);
  border-radius: 0 0 8px 0;
  text-decoration: none;
  transition: top 0.15s;
}
.skip-link:focus {
  top: 0;
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Side toggle cards */
.side-cards { display: flex; gap: 12px; margin-top: 8px; }
.side-card {
  flex: 1; padding: 14px 16px; border: 2px solid var(--line); border-radius: 10px;
  cursor: pointer; transition: border-color 0.15s, background 0.15s; text-align: center;
}
.side-card:hover { border-color: var(--accent); }
.side-card.selected { border-color: var(--accent); background: var(--accent-light); }
.side-card .side-icon { font-size: 22px; margin-bottom: 4px; }
.side-card .side-title { font-weight: 700; font-size: var(--text-base); margin-bottom: 4px; }
.side-card .side-desc { font-size: var(--text-sm); color: var(--muted); }

/* Theme toggle button */
.theme-toggle {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 1000;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: background 0.2s, border-color 0.2s;
  padding: 0;
  line-height: 1;
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Print — force light theme regardless of dark mode */
@media print {
  :root,
  [data-theme="dark"] {
    --bg: #f5f7fb; --card: #ffffff; --ink: #15233b; --muted: #5f6f8c;
    --ink-secondary: #495057; --ink-hover: #343a40; --border: #e9ecef; --line: #d8dfeb;
    --accent: #007a64; --accent-light: #e6f5f1; --danger: #aa2838; --danger-light: #fbeced;
    --warning: #c97a1a; --warning-light: #fef4e6; --success: #2e7d32; --success-light: #e8f5e9;
    --high: #e67e22; --high-light: #fff8f0; --caution: #ffc107;
    --bg-subtle: #f8f9fa; --bg-muted: #e8ecf2;
    --note-bg: #fff8e1; --note-border: #ffe082; --note-accent: #ffa000;
    --note-text: #5d4037; --note-icon: #f57c00;
    color-scheme: light;
  }
  body { background: #fff; }
  .app-shell { display: block; }
  .sidebar { display: none !important; }
  .mobile-topbar { display: none !important; }
  .main-content { max-width: 100%; margin: 0; padding: 0 20px; }
  .card { border: none; box-shadow: none; break-inside: avoid; }
  .theme-toggle { display: none !important; }
  pre { background: #f8f9fc; color: #15233b; }
}

/* =========================================
   AUTH PAGES
   ========================================= */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 60vh;
  padding-top: 40px;
}
.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.auth-card h1 {
  margin: 0 0 4px;
  font-size: 24px;
}
.auth-card .subtitle {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 14px;
}
.auth-form .form-group {
  margin-bottom: 16px;
}
.auth-form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink);
}
.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: var(--bg-subtle);
  color: var(--ink);
  box-sizing: border-box;
  transition: border-color 0.15s;
}
.auth-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
.auth-form .submit-btn {
  width: 100%;
  margin-top: 8px;
}
.auth-error {
  background: var(--danger-light);
  color: var(--danger);
  border: 1px solid var(--danger);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 14px;
}
.auth-success {
  background: var(--success-light);
  color: var(--success);
  border: 1px solid var(--success);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 14px;
}
.auth-links {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
}
.auth-links a {
  color: var(--accent);
  text-decoration: none;
}
.auth-links a:hover {
  text-decoration: underline;
}
.auth-note {
  margin-top: 16px;
  padding: 12px;
  background: var(--note-bg, #fff8e1);
  border: 1px solid var(--note-border, #ffe082);
  border-radius: 8px;
  font-size: 13px;
  color: var(--note-text, #5d4037);
}

/* Sidebar user section */
.sidebar-user {
  padding: 8px 0;
  font-size: 12px;
  border-top: 1px solid var(--border);
  margin-bottom: 8px;
}
.sidebar-user-email {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--ink);
  font-weight: 500;
  max-width: 160px;
}
.sidebar-badge.admin {
  display: inline-block;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  margin-left: 4px;
  vertical-align: middle;
}
.sidebar-user-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}
.sidebar-action-link {
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
}
.sidebar-action-link:hover { color: var(--accent); }
.sidebar-logout {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}
.sidebar-logout:hover {
  color: var(--danger);
}

/* Quota badge */
.quota-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
}
.quota-label {
  color: var(--muted);
}
.quota-value {
  font-weight: 600;
  color: var(--ink);
}
.quota-warn {
  color: var(--warning);
  font-weight: 500;
  font-size: 13px;
}
.quota-err {
  color: var(--danger);
  font-weight: 600;
  font-size: 13px;
}