/* styles.css — ID Manager — Professional UI */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ==================== CSS VARIABLES ====================*/

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --accent: #1e40af;
  --accent-hover: #1e3a8a;
  --accent-light: #dbeafe;
  --danger: #dc2626;
  --danger-light: #fef2f2;
  --success: #059669;
  --success-light: #ecfdf5;
  --warning: #d97706;
  --warning-light: #fffbeb;
  --info: #0284c7;
  --info-light: #f0f9ff;
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.07), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 10px;
  --transition: all 0.15s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --border: #334155;
  --border-strong: #475569;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-light: rgba(59, 130, 246, 0.15);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.1);
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.1);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.1);
  --info: #0ea5e9;
  --info-light: rgba(14, 165, 233, 0.1);
}

body.global-admin {
  --bg-primary: #0b1220;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #6b7280;
  --border: #1f2937;
  --border-strong: #374151;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-light: rgba(99, 102, 241, 0.15);
  background: #0b1220;
}

/* ==================== RESET & BASE ====================*/

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }

body {
  font-family: var(--font);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  padding: 24px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==================== CONTAINER ====================*/

.popup-container {
  max-width: 1400px;
  margin: 0 auto;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ==================== HEADER ====================*/

.header {
  background: var(--bg-primary);
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.header-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.header-title .icon {
  display: none;
}

.header-controls {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

/* ==================== TABS ====================*/

.tabs {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  overflow-x: hidden;
  flex-wrap: wrap;
  flex-shrink: 0;
  gap: 0;
}

.tab {
  padding: 12px 18px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  font-family: var(--font);
  letter-spacing: -0.01em;
}

.tab:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: var(--bg-primary);
  font-weight: 600;
}

/* ==================== TAB CONTENT ====================*/

.tab-content {
  display: none;
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.tab-content.active {
  display: block;
}

/* ==================== CARDS ====================*/

.card {
  background: var(--bg-primary);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-xs);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.01em;
}

/* ==================== PURCHASE PAGE ====================*/

.purchase-page { padding: 24px; }

.features-page { background: var(--bg-secondary); }

.features-page .purchase-hero {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

.features-page .purchase-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.purchase-container { max-width: 1100px; margin: 24px auto; }

.purchase-hero {
  padding: 28px 24px 20px 24px;
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-primary);
  box-shadow: var(--shadow-md);
}

.purchase-hero h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.purchase-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--accent-light);
  color: var(--accent);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.purchase-steps { display: grid; gap: 10px; }

.purchase-step {
  display: flex;
  gap: 12px;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.step-badge {
  width: 28px; height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.step-title { font-weight: 600; font-size: 0.9rem; }
.step-desc { font-size: 0.8rem; color: var(--text-secondary); }

.purchase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  padding: 20px 0;
}

.purchase-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.purchase-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.purchase-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.purchase-value { font-weight: 600; }
.purchase-timer { margin-top: 4px; font-size: 0.8rem; color: var(--text-secondary); }

.purchase-help {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 8px;
  line-height: 1.5;
}

.purchase-status {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  font-size: 0.875rem;
}

.purchase-status[data-type="ok"] { border-color: var(--success); color: var(--success); background: var(--success-light); }
.purchase-status[data-type="error"] { border-color: var(--danger); color: var(--danger); background: var(--danger-light); }
.purchase-status[data-type="info"] { border-color: var(--info); color: var(--info); background: var(--info-light); }

.purchase-credentials {
  margin-top: 12px;
  background: var(--bg-secondary);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 12px;
}

.purchase-credentials pre {
  white-space: pre-wrap;
  word-break: break-all;
  font-size: 0.85rem;
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
}

/* ==================== FORMS ====================*/

.form-group { margin-bottom: 14px; }

.form-label {
  display: block;
  margin-bottom: 4px;
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.85rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: var(--font);
  transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.08);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.form-row .form-group {
  flex: 1;
  margin-bottom: 0;
}

/* ==================== BUTTONS ====================*/

.btn {
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  white-space: nowrap;
  font-family: var(--font);
  line-height: 1.4;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover:not(:disabled) { background: #047857; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover:not(:disabled) { background: #b91c1c; }

.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover:not(:disabled) { background: #b45309; }

.btn-info { background: var(--info); color: #fff; }
.btn-info:hover:not(:disabled) { background: #0369a1; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn-outline:hover:not(:disabled) {
  background: var(--bg-tertiary);
  border-color: var(--border-strong);
}

.btn-secondary { background: var(--bg-tertiary); color: var(--text-primary); border-color: var(--border); }
.btn-secondary:hover:not(:disabled) { background: var(--border); }

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }

/* ==================== STATS GRID ====================*/

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-secondary);
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover { box-shadow: var(--shadow-sm); }

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
}

/* ==================== TABLES ====================*/

.table-container {
  background: var(--bg-primary);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: 16px;
  max-height: 600px;
  overflow-y: auto;
}

.table { width: 100%; border-collapse: collapse; }

.table th {
  background: var(--bg-secondary);
  padding: 10px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

.table tr:hover { background: var(--bg-secondary); }
.table tbody tr:last-child td { border-bottom: none; }

.note-cell { display: flex; align-items: center; gap: 8px; min-width: 180px; }
.note-text { flex: 1 1 auto; color: var(--text-primary); word-break: break-word; }

.note-edit-btn {
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.8rem;
}
.note-edit-btn::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-right: 6px;
  vertical-align: middle;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23334955' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M12 20h9'/><path d='M16.5 3.5a2.1 2.1 0 0 1 3 3L7 19l-4 1 1-4 12.5-12.5z'/></svg>");
  background-repeat: no-repeat;
  background-size: 14px 14px;
}
.note-edit-btn:hover { color: var(--text-primary); background: var(--bg-tertiary); }

/* ==================== STATUS ====================*/

.status-online { color: var(--success); font-weight: 600; }
.status-offline { color: var(--danger); font-weight: 600; }
.status-warning { color: var(--warning); font-weight: 600; }

.status-disabled {
  background: var(--danger-light);
  color: var(--danger);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
}

.status { padding: 10px 14px; border-radius: var(--radius-sm); font-size: 0.875rem; margin: 10px 0; }
.status.success { background: var(--success-light); color: var(--success); border: 1px solid rgba(5, 150, 105, 0.2); }
.status.error { background: var(--danger-light); color: var(--danger); border: 1px solid rgba(220, 38, 38, 0.2); }
.status.warning { background: var(--warning-light); color: var(--warning); border: 1px solid rgba(217, 119, 6, 0.2); }
.status.info { background: var(--info-light); color: var(--info); border: 1px solid rgba(2, 132, 199, 0.2); }

/* ==================== DOWNLOAD ====================*/

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.download-card {
  background: var(--bg-secondary);
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}
.download-card:hover { box-shadow: var(--shadow-sm); }

.download-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--accent);
  font-weight: 700;
}

/* ==================== PAGINATION ====================*/

.pagination { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }

.pagination button {
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  transition: var(--transition);
  font-family: var(--font);
}

.pagination button:hover:not(.active) { background: var(--bg-tertiary); border-color: var(--border-strong); }
.pagination button.active { background: var(--accent); color: white; border-color: var(--accent); }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

/* ==================== BACKUP ====================*/

.backup-item {
  padding: 10px 12px;
  margin-bottom: 8px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--success);
  cursor: pointer;
  transition: var(--transition);
}
.backup-item:hover { background: var(--bg-tertiary); }

.backup-item-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; flex-wrap: wrap; gap: 10px; }
.backup-name { font-weight: 600; font-size: 0.875rem; color: var(--text-primary); }
.backup-date { font-size: 0.8rem; color: var(--text-muted); }
.backup-info { font-size: 0.8rem; color: var(--text-secondary); }
.backup-actions { display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap; }
.backup-empty { text-align: center; padding: 20px; color: var(--text-muted); font-style: italic; }

/* ==================== GROUPS ====================*/

.groups-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
}

.group-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 14px;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.group-card .group-name {
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.group-card .group-meta { color: var(--text-secondary); font-size: 0.8rem; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
}
.chip .remove-chip {
  cursor: pointer;
  color: var(--danger);
  font-weight: 700;
  border: none;
  background: transparent;
  padding: 0 4px;
  line-height: 1;
  font-size: 14px;
}

.available-site-list { display: flex; flex-direction: column; gap: 4px; }
.available-site-item { padding: 8px; border-radius: var(--radius-sm); border: 1px solid transparent; cursor: pointer; font-size: 0.875rem; }
.available-site-item:hover { background: var(--bg-tertiary); border-color: var(--border); }
.available-parser-item { padding: 8px; border-radius: var(--radius-sm); border: 1px solid transparent; cursor: pointer; }

/* ==================== MODAL ====================*/

.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow-y: auto;
}
.modal-overlay.active { display: flex; }

.modal-content {
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn 0.2s ease-out;
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.modal-actions .btn { flex: 1; min-width: 120px; padding: 10px; font-size: 0.875rem; }

/* ==================== SELECTORS ====================*/

.selector-textarea {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
  font-size: 0.85rem;
  line-height: 1.5;
}

.quick-selectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 6px;
  margin-bottom: 10px;
}

.quick-selector-btn {
  padding: 8px 12px;
  font-size: 0.8rem;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  font-weight: 500;
  font-family: var(--font);
}
.quick-selector-btn:hover { background: var(--accent); color: white; border-color: var(--accent); }

/* ==================== IMPORT ====================*/

.import-preview-item {
  padding: 8px; margin: 4px 0;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--success);
  font-family: monospace;
  font-size: 0.8rem;
  word-break: break-all;
}

.import-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px; margin: 10px 0;
}

.import-stat { text-align: center; padding: 8px; background: var(--bg-secondary); border-radius: var(--radius-sm); border: 1px solid var(--border); }
.import-stat-value { font-size: 1.2rem; font-weight: 700; color: var(--accent); }
.import-stat-label { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; margin-top: 4px; letter-spacing: 0.03em; }

/* ==================== SETTING STATUS ====================*/

.setting-status { padding: 3px 8px; border-radius: var(--radius-sm); font-size: 0.75rem; font-weight: 600; }
.setting-status.status-enabled { background: var(--success-light); color: var(--success); }
.setting-status.status-disabled { background: var(--danger-light); color: var(--danger); }

/* ==================== ANIMATIONS ====================*/

@keyframes modalIn {
  from { opacity: 0; transform: translateY(-10px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-20px); }
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ==================== SCROLLBAR ====================*/

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ==================== RESPONSIVE ====================*/

@media (max-width: 768px) {
  body { padding: 12px; }
  .popup-container { max-height: 95vh; }
  .header { flex-direction: column; align-items: stretch; padding: 14px 16px; }
  .header-controls { justify-content: center; width: 100%; }
  .tabs { padding: 0 12px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .tab { padding: 10px 14px; font-size: 0.8rem; }
  .tab-content { padding: 16px; }
  .form-row { flex-direction: column; }
  .form-row .form-group { flex: 1 !important; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .table-container { max-height: 400px; }
  .card-header { flex-direction: column; align-items: flex-start; }
  .modal-content { max-width: calc(100% - 40px); }
  .quick-selectors-grid { grid-template-columns: repeat(2, 1fr); }
  .download-grid { grid-template-columns: 1fr; }
  .btn { font-size: 0.8rem; padding: 8px 12px; }
  .pagination { justify-content: center; }
  .pagination button { padding: 6px 10px; font-size: 0.75rem; }
}

@media (max-width: 480px) {
  body { padding: 8px; }
  .popup-container { border-radius: var(--radius); }
  .header { padding: 12px; }
  .header-title { font-size: 1.1rem; }
  .tabs { padding: 0 8px; }
  .tab { padding: 10px 12px; font-size: 0.75rem; }
  .card { padding: 14px; margin-bottom: 14px; }
  .stats-grid { grid-template-columns: 1fr; gap: 8px; }
  .stat-value { font-size: 1.25rem; }
  .stat-label { font-size: 0.7rem; }
  .table { font-size: 0.8rem; }
  .table th, .table td { padding: 8px 10px; }
  .form-input, .form-select, .form-textarea { font-size: 16px; }
  .btn { font-size: 0.8rem; padding: 8px 10px; }
  .modal-content { max-width: 100%; }
  .quick-selectors-grid { grid-template-columns: 1fr; }
  .form-row { gap: 8px; }
}

/* ==================== DARK MODE AUTO ====================*/

@media (prefers-color-scheme: dark) {
  body:not(.purchase-page):not(.global-admin) { background: #1e293b; }
  .table tbody tr:hover { background: rgba(59, 130, 246, 0.05); }
  code { background: var(--bg-tertiary); padding: 2px 6px; border-radius: 4px; }
}

body.auth-locked { overflow: hidden; }
body.auth-locked .popup-container { display: none !important; }

/* ==================== UTILITIES ====================*/

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
.hidden { display: none !important; }
.visible { display: block !important; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }