/* ============================================
   Employee Identity Code - Ant Design 风格
   苏州灵境云踪 · szljyz.org.cn
   ============================================ */

/* ── Design Tokens (Ant Design 规范) ── */
:root {
  --ant-primary: #1677ff;
  --ant-primary-hover: #4096ff;
  --ant-primary-active: #0958d9;
  --ant-primary-bg: #e6f4ff;
  --ant-primary-border: #91caff;
  --ant-success: #52c41a;
  --ant-success-bg: #f6ffed;
  --ant-success-border: #b7eb8f;
  --ant-warning: #fa8c16;
  --ant-warning-bg: #fff7e6;
  --ant-warning-border: #ffd591;
  --ant-error: #ff4d4f;
  --ant-error-bg: #fff2f0;
  --ant-error-border: #ffccc7;
  --ant-info: #1677ff;
  --ant-info-bg: #e6f4ff;

  --ant-text: rgba(0, 0, 0, 0.88);
  --ant-text-secondary: rgba(0, 0, 0, 0.65);
  --ant-text-tertiary: rgba(0, 0, 0, 0.45);
  --ant-text-quaternary: rgba(0, 0, 0, 0.25);

  --ant-bg: #f5f5f5;
  --ant-bg-container: #ffffff;
  --ant-bg-elevated: #ffffff;
  --ant-bg-layout: #f0f5ff;
  --ant-bg-page: #f5f5f5;

  --ant-border-color: #d9d9d9;
  --ant-border-color-secondary: #f0f0f0;

  --ant-radius-sm: 4px;
  --ant-radius: 6px;
  --ant-radius-lg: 8px;

  --ant-shadow: 0 1px 2px 0 rgba(0,0,0,.03), 0 1px 6px -1px rgba(0,0,0,.02), 0 2px 4px 0 rgba(0,0,0,.02);
  --ant-shadow-secondary: 0 6px 16px 0 rgba(0,0,0,.08), 0 3px 6px -4px rgba(0,0,0,.12), 0 9px 28px 8px rgba(0,0,0,.05);

  --ant-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --ant-font-size: 14px;
  --ant-font-size-sm: 12px;
  --ant-font-size-lg: 16px;
  --ant-font-size-heading: 20px;
  --ant-line-height: 1.5714;

  --ant-header-height: 56px;
  --ant-transition: 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
}

/* ── Aliases (向后兼容) ── */
:root {
  --primary: var(--ant-primary);
  --primary-hover: var(--ant-primary-hover);
  --primary-active: var(--ant-primary-active);
  --primary-bg: var(--ant-primary-bg);
  --primary-border: var(--ant-primary-border);
  --success: var(--ant-success);
  --success-bg: var(--ant-success-bg);
  --success-border: var(--ant-success-border);
  --warning: var(--ant-warning);
  --warning-bg: var(--ant-warning-bg);
  --warning-border: var(--ant-warning-border);
  --error: var(--ant-error);
  --error-bg: var(--ant-error-bg);
  --error-border: var(--ant-error-border);
  --info: var(--ant-info);
  --info-bg: var(--ant-info-bg);
  --text: var(--ant-text);
  --text-secondary: var(--ant-text-secondary);
  --text-muted: var(--ant-text-tertiary);
  --border: var(--ant-border-color);
  --border-light: var(--ant-border-color-secondary);
  --bg-page: var(--ant-bg-page);
  --bg-card: var(--ant-bg-container);
  --bg-hover: var(--ant-bg-elevated);
  --bg-table-head: var(--ant-bg-page);
  --radius-sm: var(--ant-radius-sm);
  --radius: var(--ant-radius);
  --radius-lg: var(--ant-radius-lg);
  --shadow-sm: var(--ant-shadow);
  --shadow: var(--ant-shadow);
  --shadow-lg: var(--ant-shadow-secondary);
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: var(--ant-font-size); -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--ant-font);
  color: var(--ant-text);
  background: var(--ant-bg-layout);
  line-height: var(--ant-line-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}
a { color: var(--ant-primary); text-decoration: none; transition: color var(--ant-transition); }
a:hover { color: var(--ant-primary-hover); }
img { max-width: 100%; height: auto; display: block; }

/* ── Ant Design Layout Helpers ── */
.ant-layout-centered {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 16px;
  background: var(--ant-bg-layout);
}
.centered-card {
  background: var(--ant-bg-container);
  border-radius: var(--ant-radius-lg);
  box-shadow: var(--ant-shadow-secondary);
  padding: 40px 32px;
  width: 100%;
  max-width: 400px;
  box-sizing: border-box;
}

/* ── Ant Design Spin ── */
.ant-spin { display: inline-block; }
.ant-spin::after {
  content: '';
  display: block;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--ant-border-color);
  border-top-color: var(--ant-primary);
  animation: ant-spin 0.8s linear infinite;
}
.ant-spin-lg::after { width: 32px; height: 32px; border-width: 3px; }
@keyframes ant-spin { to { transform: rotate(360deg); } }

/* ── Ant Design Button ── */
.ant-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: var(--ant-radius);
  font-size: var(--ant-font-size);
  font-family: var(--ant-font);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--ant-transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.5;
  outline: none;
}
.ant-btn:focus-visible { outline: 2px solid var(--ant-primary); outline-offset: 2px; }
.ant-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.ant-btn-primary { background: var(--ant-primary); color: #fff; border-color: var(--ant-primary); }
.ant-btn-primary:hover { background: var(--ant-primary-hover); border-color: var(--ant-primary-hover); }
.ant-btn-default { background: var(--ant-bg-container); color: var(--ant-text); border-color: var(--ant-border-color); }
.ant-btn-default:hover { color: var(--ant-primary); border-color: var(--ant-primary); }
.ant-btn-danger { background: var(--ant-error); color: #fff; border-color: var(--ant-error); }
.ant-btn-danger:hover { background: #ff7875; border-color: #ff7875; }
.ant-btn-success { background: var(--ant-success); color: #fff; border-color: var(--ant-success); }
.ant-btn-success:hover { background: #73d13d; border-color: #73d13d; }
.ant-btn-lg { padding: 10px 24px; font-size: var(--ant-font-size-lg); border-radius: var(--ant-radius-lg); }
.ant-btn-block { width: 100%; }

/* ── Navbar ── */
.navbar {
  background: var(--ant-bg-container);
  border-bottom: 1px solid var(--ant-border-color-secondary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--ant-header-height);
  gap: 8px;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ant-text);
  text-decoration: none;
  flex-shrink: 0;
}
.navbar-brand:hover { color: var(--ant-primary); }
.navbar-brand svg { color: var(--ant-primary); }
.navbar-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
  overflow-x: auto;
  max-width: calc(100vw - 200px);
  scrollbar-width: none;
}
.navbar-links::-webkit-scrollbar { display: none; }
.nav-link {
  padding: 6px 10px;
  border-radius: var(--ant-radius);
  font-size: var(--ant-font-size-sm);
  color: var(--ant-text-secondary);
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--ant-transition);
}
.nav-link:hover { background: var(--ant-bg-page); color: var(--ant-text); }
.nav-link.active { background: var(--ant-primary-bg); color: var(--ant-primary); font-weight: 500; }
.nav-user-info {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-left: 1px solid var(--ant-border-color-secondary);
  margin-left: 4px;
  flex-shrink: 0;
}
.nav-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ant-primary-bg);
  color: var(--ant-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  overflow: hidden;
  flex-shrink: 0;
}
.nav-avatar img { width: 100%; height: 100%; object-fit: cover; }
.nav-user-name {
  font-size: var(--ant-font-size-sm);
  color: var(--ant-text-tertiary);
  max-width: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nav-logout { color: var(--ant-text-tertiary); font-size: var(--ant-font-size-sm); }
.nav-logout:hover { color: var(--ant-error); background: var(--ant-error-bg); }

/* ── Main Content ── */
.main-content {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 16px;
  animation: fadeIn 0.2s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* ── Footer ── */
.footer {
  text-align: center;
  padding: 16px;
  font-size: var(--ant-font-size-sm);
  color: var(--ant-text-quaternary);
  border-top: 1px solid var(--ant-border-color-secondary);
  background: var(--ant-bg-container);
}

/* ── Card ── */
.card {
  background: var(--ant-bg-container);
  border-radius: var(--ant-radius-lg);
  border: 1px solid var(--ant-border-color-secondary);
  box-shadow: var(--ant-shadow);
  margin-bottom: 16px;
  overflow: hidden;
}
.card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--ant-border-color-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.card-header h2 { margin: 0; font-size: var(--ant-font-size-heading); font-weight: 600; color: var(--ant-text); }
.card-body { padding: 20px; }

/* ── Buttons (legacy aliases) ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 16px; border: none; border-radius: var(--ant-radius); font-size: var(--ant-font-size); font-weight: 500; cursor: pointer; transition: all var(--ant-transition); text-decoration: none; white-space: nowrap; }
.btn-primary { background: var(--ant-primary); color: #fff; }
.btn-primary:hover { background: var(--ant-primary-hover); }
.btn-success { background: var(--ant-success); color: #fff; }
.btn-success:hover { background: #73d13d; }
.btn-danger { background: var(--ant-error); color: #fff; }
.btn-danger:hover { background: #ff7875; }
.btn-default { background: var(--ant-bg-page); color: var(--ant-text-secondary); border: 1px solid var(--ant-border-color); }
.btn-default:hover { background: #e8e8e8; }
.btn-sm { padding: 4px 12px; font-size: var(--ant-font-size-sm); border-radius: var(--ant-radius-sm); }
.btn-lg { padding: 12px 24px; font-size: var(--ant-font-size-lg); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Badges ── */
.badge { display: inline-block; padding: 2px 8px; border-radius: var(--ant-radius-sm); font-size: var(--ant-font-size-sm); font-weight: 500; line-height: 1.5; white-space: nowrap; }
.badge-mode-normal   { background: var(--ant-primary-bg); color: var(--ant-primary); }
.badge-mode-meeting  { background: #e6f7ff; color: #1890ff; }
.badge-mode-security { background: var(--ant-warning-bg); color: #d46b08; }
.badge-medium-identity_qr    { background: #f0f5ff; color: #2f54eb; }
.badge-medium-scan_kiosk_qr  { background: #f9f0ff; color: #722ed1; }
.badge-medium-scan_mobile_qr { background: #e6fffb; color: #13c2c2; }
.badge-medium-face_badge     { background: #fff0f6; color: #c41d7f; }
.badge-medium-face_id_card   { background: #fff7e6; color: #d46b08; }
.badge-medium-id_card_read   { background: #f6ffed; color: #389e0d; }
.badge-direction-entry { background: var(--ant-success-bg); color: #389e0d; }
.badge-direction-exit  { background: var(--ant-error-bg); color: #cf1322; }
.badge-direction-pass  { background: var(--ant-info-bg); color: #096dd9; }
.badge-active   { background: var(--ant-success-bg); color: var(--ant-success); }
.badge-inactive { background: var(--ant-error-bg); color: var(--ant-error); }
.badge-expired  { background: var(--ant-error-bg); color: var(--ant-error); }
.badge-pending  { background: var(--ant-warning-bg); color: #d46b08; }
.badge-type-kiosk   { background: #f0f5ff; color: #2f54eb; }
.badge-type-mobile  { background: #e6fffb; color: #13c2c2; }
.badge-type-gate    { background: #f9f0ff; color: #722ed1; }
.badge-visitor { background: var(--ant-warning-bg); color: #d46b08; }
.badge-blacklist { background: var(--ant-error); color: #fff; padding: 3px 10px; font-size: 13px; font-weight: 600; }

/* ── Forms ── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group.full-width { grid-column: 1 / -1; }
.form-group label { font-size: var(--ant-font-size-sm); color: var(--ant-text-secondary); font-weight: 500; }
.form-group label .required { color: var(--ant-error); margin-left: 2px; }
.form-group input, .form-group select, .form-group textarea { padding: 8px 12px; border: 1px solid var(--ant-border-color); border-radius: var(--ant-radius); font-size: var(--ant-font-size); font-family: var(--ant-font); outline: none; transition: border-color var(--ant-transition), box-shadow var(--ant-transition); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--ant-primary); box-shadow: 0 0 0 2px rgba(22,119,255,0.1); }
.form-group input[type="file"] { padding: 6px; }

/* ── Tables ── */
.table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.data-table { width: 100%; border-collapse: collapse; font-size: var(--ant-font-size); }
.data-table th { background: var(--ant-bg-page); padding: 10px 12px; text-align: left; font-weight: 600; color: var(--ant-text-secondary); border-bottom: 1px solid var(--ant-border-color-secondary); white-space: nowrap; }
.data-table td { padding: 10px 12px; border-bottom: 1px solid var(--ant-border-color-secondary); color: var(--ant-text); }
.data-table tr:hover td { background: #fafaff; }

/* ── Tabs ── */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--ant-border-color-secondary); padding: 0 20px; overflow-x: auto; }
.tab-btn { padding: 12px 16px; font-size: var(--ant-font-size); font-weight: 500; border: none; background: none; color: var(--ant-text-secondary); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: all var(--ant-transition); white-space: nowrap; }
.tab-btn:hover { color: var(--ant-primary); }
.tab-btn.active { color: var(--ant-primary); border-bottom-color: var(--ant-primary); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Filter Bar ── */
.filter-bar { padding: 12px 16px; border-bottom: 1px solid var(--ant-border-color-secondary); display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
.filter-group { display: flex; flex-direction: column; gap: 4px; }
.filter-group label { font-size: var(--ant-font-size-sm); color: var(--ant-text-tertiary); }
.filter-group input, .filter-group select { padding: 6px 10px; border: 1px solid var(--ant-border-color); border-radius: var(--ant-radius-sm); font-size: var(--ant-font-size-sm); outline: none; min-width: 100px; }
.filter-group input:focus, .filter-group select:focus { border-color: var(--ant-primary); }

/* ── Pagination ── */
.pagination { padding: 12px 16px; display: flex; justify-content: center; align-items: center; gap: 6px; flex-wrap: wrap; }
.pagination a, .pagination span { display: inline-flex; align-items: center; justify-content: center; padding: 4px 10px; border-radius: var(--ant-radius-sm); font-size: var(--ant-font-size-sm); text-decoration: none; }
.pagination a { background: var(--ant-bg-page); color: var(--ant-text-secondary); border: 1px solid var(--ant-border-color); }
.pagination a:hover { background: #e8e8e8; }
.pagination .current { background: var(--ant-primary); color: #fff; }
.pagination .disabled { background: var(--ant-bg-page); color: #ccc; pointer-events: none; }

/* ── Alert / Error Banner ── */
.alert-blacklist { background: var(--ant-error); color: #fff; padding: 16px 20px; text-align: center; font-size: var(--ant-font-size-lg); font-weight: 600; animation: pulse 1.5s ease-in-out infinite; }
.error-banner { padding: 16px 20px; background: var(--ant-error-bg); color: var(--ant-error); border-bottom: 1px solid var(--ant-error-border); text-align: center; font-size: var(--ant-font-size); }
.alert-warning { background: var(--ant-warning-bg); color: #d46b08; border: 1px solid var(--ant-warning-border); border-radius: var(--ant-radius); padding: 12px 16px; font-size: var(--ant-font-size); margin-bottom: 16px; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.8; } }

/* ── Photo / Lightbox ── */
.photo-thumb { width: 40px; height: 40px; border-radius: var(--ant-radius-sm); object-fit: cover; cursor: pointer; border: 1px solid var(--ant-border-color-secondary); transition: transform 0.2s; }
.photo-thumb:hover { transform: scale(1.1); }
.lightbox-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.8); z-index: 2000; display: none; align-items: center; justify-content: center; cursor: zoom-out; }
.lightbox-overlay.show { display: flex; }
.lightbox-overlay img { max-width: 90vw; max-height: 90vh; border-radius: var(--ant-radius); object-fit: contain; }

/* ── Loading Spinner ── */
.loading-spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--ant-border-color-secondary); border-top-color: var(--ant-primary); border-radius: 50%; animation: ant-spin 0.6s linear infinite; vertical-align: middle; margin-right: 4px; }
.loading-block { padding: 40px; text-align: center; color: var(--ant-text-tertiary); }

/* ── Modal / Overlay ── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.45); z-index: 1000; display: none; align-items: center; justify-content: center; padding: 16px; }
.modal-overlay.show { display: flex; }
.modal-box { background: var(--ant-bg-container); border-radius: var(--ant-radius-lg); max-width: 480px; width: 100%; overflow: hidden; animation: slideUp 0.2s ease; }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ── GPS Link ── */
.gps-link { color: var(--ant-primary); text-decoration: none; font-size: var(--ant-font-size-sm); }
.gps-link:hover { text-decoration: underline; }

/* ── Direction Arrows ── */
.direction-arrow { display: inline-flex; align-items: center; gap: 4px; font-size: var(--ant-font-size-sm); }
.direction-arrow.entry { color: var(--ant-success); }
.direction-arrow.exit  { color: var(--ant-error); }
.direction-arrow.pass  { color: var(--ant-info); }

/* ── Empty State ── */
.empty-state { padding: 48px 20px; text-align: center; color: var(--ant-text-tertiary); font-size: var(--ant-font-size); }
.empty-state svg { width: 48px; height: 48px; margin-bottom: 12px; color: var(--ant-border-color); }
.empty-state-inline { padding: 32px 20px; text-align: center; color: var(--ant-text-tertiary); font-size: var(--ant-font-size); }

/* ── Stat Cards ── */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat-card { background: var(--ant-bg-container); border: 1px solid var(--ant-border-color-secondary); border-radius: var(--ant-radius-lg); padding: 20px; text-align: center; }
.stat-card .stat-value { font-size: 32px; font-weight: 700; line-height: 1.2; }
.stat-card .stat-label { font-size: var(--ant-font-size-sm); color: var(--ant-text-tertiary); margin-top: 4px; }
.stat-card.stat-primary .stat-value { color: var(--ant-primary); }
.stat-card.stat-success .stat-value { color: var(--ant-success); }
.stat-card.stat-warning .stat-value { color: var(--ant-warning); }
.stat-card.stat-error .stat-value { color: var(--ant-error); }

/* ── Monitor Dashboard ── */
.monitor-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.monitor-card { background: var(--ant-bg-container); border: 1px solid var(--ant-border-color-secondary); border-radius: var(--ant-radius-lg); overflow: hidden; }
.monitor-card.full-width { grid-column: 1 / -1; }
.monitor-card-header { padding: 12px 16px; border-bottom: 1px solid var(--ant-border-color-secondary); font-size: var(--ant-font-size); font-weight: 600; display: flex; justify-content: space-between; align-items: center; }
.monitor-card-body { padding: 12px 16px; max-height: 360px; overflow-y: auto; }

/* ── Feed ── */
.feed-item { display: flex; align-items: flex-start; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--ant-border-color-secondary); font-size: var(--ant-font-size-sm); }
.feed-item:last-child { border-bottom: none; }
.feed-dot { width: 8px; height: 8px; border-radius: 50%; margin-top: 5px; flex-shrink: 0; }
.feed-dot.normal   { background: var(--ant-primary); }
.feed-dot.meeting  { background: #1890ff; }
.feed-dot.security { background: var(--ant-warning); }
.feed-dot.alert    { background: var(--ant-error); }
.feed-text { flex: 1; color: var(--ant-text); line-height: 1.5; }
.feed-time { color: var(--ant-text-tertiary); font-size: var(--ant-font-size-sm); flex-shrink: 0; white-space: nowrap; }
.no-alerts { padding: 20px; text-align: center; color: var(--ant-text-tertiary); font-size: var(--ant-font-size); }

/* ── Alert Section ── */
.alert-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; background: var(--ant-error-bg); border: 1px solid var(--ant-error-border); border-radius: var(--ant-radius); margin-bottom: 8px; font-size: var(--ant-font-size-sm); color: var(--ant-error); }
.alert-item .alert-icon { font-size: 18px; flex-shrink: 0; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--ant-border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #bfbfbf; }

/* ── Utility ── */
.text-center { text-align: center; }
.text-muted  { color: var(--ant-text-tertiary); }
.text-secondary { color: var(--ant-text-secondary); }
.text-success { color: var(--ant-success); }
.text-error   { color: var(--ant-error); }
.text-warning { color: var(--ant-warning); }
.text-primary { color: var(--ant-primary); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }

/* ─────────────────────────────────────────────
   Mobile Responsive (< 768px)
   ───────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Navbar — compact bottom tab bar style */
  .navbar {
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .navbar-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 6px 8px;
    gap: 4px;
  }
  .navbar-brand {
    font-size: 14px;
    gap: 6px;
  }
  .navbar-brand span { display: none; }
  .navbar-brand svg { width: 20px; height: 20px; }
  .navbar-links {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    gap: 2px;
    padding-bottom: 2px;
    flex-wrap: nowrap;
    justify-content: center;
    -webkit-overflow-scrolling: touch;
  }
  .nav-link {
    padding: 6px 10px;
    font-size: 12px;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
  }
  .nav-user-info { display: none; }

  .main-content { padding: 12px 8px; padding-bottom: calc(12px + env(safe-area-inset-bottom)); }

  .form-grid { grid-template-columns: 1fr; }
  .form-group input, .form-group select, .form-group textarea { font-size: 16px; } /* Prevent iOS zoom */

  .card-header { padding: 12px 14px; }
  .card-header h2 { font-size: 16px; }

  /* Tables */
  .data-table { font-size: 12px; }
  .data-table th, .data-table td { padding: 8px 6px; white-space: nowrap; }
  .table-wrapper { margin: 0 -8px; padding: 0 8px; }

  /* Scanner page */
  .scanner-main { grid-template-columns: 1fr !important; }
  .scanner-sidebar { display: none; }  /* Hide sidebar on mobile, use modal/collapsed controls */
  .scanner-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .scanner-viewport { min-height: 280px; }

  /* Identity page */
  .identity-container { padding: 12px 8px; }
  .qr-wrapper img, #qrImage { width: 180px !important; height: 180px !important; }
  .barcode-wrapper img, #barcodeImage { max-width: 240px !important; height: 48px !important; }

  /* Logs */
  .filter-bar { gap: 8px; }
  .filter-group input, .filter-group select { min-width: 80px; font-size: 12px; }
  .my-log-item { padding: 10px 14px; gap: 10px; }
  .my-log-icon { width: 32px; height: 32px; font-size: 14px; }

  /* Visitor */
  .photo-preview { width: 64px; height: 64px; }

  /* Terminals */
  .toolbar { flex-direction: column; align-items: flex-start; gap: 8px; }
  .terminal-item { flex-direction: column; align-items: flex-start; }
  .terminal-right { width: 100%; justify-content: flex-end; flex-wrap: wrap; }

  /* Monitor */
  .monitor-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .stat-item { padding: 12px; }
  .stat-item .stat-value { font-size: 24px; }

  /* Pagination */
  .pagination a, .pagination span { padding: 3px 8px; font-size: 12px; }

  /* Scan result */
  .scan-container { padding: 12px 8px; }
  .person-card { padding: 16px 14px; }
  .scan-actions { flex-direction: column; }
  .scan-actions .btn { min-width: unset; }

  /* Tabs */
  .tabs { padding: 0 8px; }
  .tab-btn { padding: 10px 12px; font-size: 13px; }

  /* QR modal */
  .qr-modal { padding: 16px; }
  .qr-modal .qr-img { width: 160px; height: 160px; }

  /* Visitor table */
  .visitor-table { font-size: 12px; }
  .visitor-table th, .visitor-table td { padding: 8px 6px; }
  .visitor-card-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .visitor-list-header { flex-direction: column; align-items: flex-start; gap: 8px; }

  /* Form modal */
  .form-modal-content { max-height: 85vh; overflow-y: auto; }

  /* Monitor map */
  #monitorMap { height: 240px !important; }
  .chart-wrapper { height: 200px; }
}

/* ─────────────────────────────────────────────
   Small Mobile (< 480px)
   ───────────────────────────────────────────── */
@media (max-width: 480px) {
  .main-content { padding: 8px; }
  .navbar-inner { padding: 6px 8px; }

  /* Compact stat cards */
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .stat-card { padding: 10px; }
  .stat-card .stat-value { font-size: 20px; }
  .stat-card .stat-label { font-size: 11px; }

  /* Identity QR - further shrink */
  .qr-wrapper img, #qrImage { width: 150px !important; height: 150px !important; }
  .barcode-wrapper img, #barcodeImage { max-width: 200px !important; height: 40px !important; }
  .id-card-header { padding: 16px 14px; gap: 12px; }
  .id-card-avatar { width: 48px; height: 48px; font-size: 20px; }
  .id-card-info .emp-name { font-size: 18px; }

  /* Monitor */
  .monitor-card-header { font-size: 13px; padding: 10px 12px; }

  /* Feed */
  .feed-item { font-size: 12px; }

  /* Detail panel */
  .detail-grid { grid-template-columns: 1fr 1fr; }

  /* Visitor QR modal */
  .qr-modal .qr-img { width: 140px; height: 140px; }
  .qr-modal .barcode-img { max-width: 200px; height: 40px; }
}

/* ─────────────────────────────────────────────
   Print
   ───────────────────────────────────────────── */
@media print {
  .navbar, .footer, .filter-bar, .pagination, .btn,
  .scanner-controls, .usb-section, .gps-info, .tabs,
  .nav-user-info, .nav-logout { display: none !important; }
  body { background: #fff; }
  .main-content { max-width: 100%; padding: 0; }
  .card { border: 1px solid #ccc; box-shadow: none; }
  .data-table th { background: #eee; }
  .badge { border: 1px solid #ccc; }
}