/* Reusable UI Components */

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 20px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-sm);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.btn:hover { opacity: 0.82; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
  background: var(--color-btn-bg);
  color: var(--color-btn-text);
}
.btn-accent {
  background: var(--color-accent);
  color: white;
}
.btn-accent:hover { background: var(--color-accent-hover); opacity: 1; }
.btn-success {
  background: var(--color-success);
  color: white;
}
.btn-success:hover { background: var(--color-success-hover); opacity: 1; }
.btn-danger {
  background: var(--color-danger);
  color: white;
}
.btn-danger:hover { background: var(--color-danger-hover); opacity: 1; }
.btn-warning {
  background: var(--color-warning);
  color: var(--color-btn-text);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(255,255,255,0.2);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); opacity: 1; }
.btn-sm { padding: 6px 14px; font-size: var(--text-xs); }
.btn-lg { padding: 14px 28px; font-size: var(--text-base); }
.btn-block { width: 100%; }

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid rgba(255,255,255,0.06);
}
.card-hover:hover {
  border-color: rgba(255,255,255,0.15);
  background: var(--color-surface-hover);
  cursor: pointer;
}

/* --- Forms --- */
.form-group {
  margin-bottom: var(--space-4);
}
.form-label {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  margin-bottom: var(--space-1);
  font-weight: 500;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-tertiary);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(59,130,246,0.2);
}
.form-input::placeholder { color: var(--color-text-muted); }

/* Checkbox */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  cursor: pointer;
  color: var(--color-text);
}
.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-accent);
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: var(--shadow-lg);
}
.modal-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}
.modal-wide {
  max-width: 900px;
  width: 95%;
}

/* --- Modal table --- */
.modal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.modal-table th,
.modal-table td {
  padding: 6px 10px;
  border: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}
.modal-table th {
  background: var(--color-accent);
  color: white;
  font-weight: 600;
}
.modal-table tr:hover td {
  background: rgba(255,255,255,0.03);
}

/* --- Toast Notifications --- */
.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.toast {
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: white;
  box-shadow: var(--shadow-md);
  animation: slideIn 0.3s ease;
}
.toast-success { background: var(--color-success); }
.toast-error { background: var(--color-danger); }
.toast-warning { background: var(--color-warning); color: var(--color-btn-text); }
.toast-info { background: var(--color-accent); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* --- Badge / Tag --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
  background: rgba(59,130,246,0.15);
  color: var(--color-accent);
}
.badge-success { background: rgba(16,185,129,0.15); color: var(--color-success); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--color-warning); }

/* --- Loading spinner --- */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255,255,255,0.1);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Stat card --- */
.stat-card {
  text-align: center;
  padding: var(--space-4);
}
.stat-value {
  font-size: var(--text-2xl);
  font-weight: 700;
  font-family: var(--font-heading);
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Notification bell --- */
.notif-bell {
  position: relative;
  cursor: pointer;
  padding: var(--space-1);
  display: flex;
  align-items: center;
}
.notif-bell:hover { opacity: 0.8; }
.notif-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--color-danger);
  color: white;
  font-size: 10px;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  display: none;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  line-height: 1;
}
.notif-badge.visible { display: flex; }

/* --- Keyboard shortcut bar --- */
.shortcut-bar {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-1) var(--space-4);
  background: var(--color-surface);
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 10px;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}
.shortcut-bar kbd {
  background: var(--color-tertiary);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 10px;
  margin: 0 2px;
}

/* --- Google Drive button --- */
.btn-gdrive {
  background: #1a73e8;
  color: white;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.btn-gdrive:hover { background: #1557b0; opacity: 1; }
.btn-gdrive svg { width: 16px; height: 16px; }

/* --- Progress bar --- */
.progress-container {
  margin-top: 6px;
}
.progress-label {
  font-size: var(--text-xs);
  color: var(--color-text-dim);
}
.progress-track {
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
  height: 6px;
  margin-top: 4px;
}
.progress-fill {
  background: var(--color-accent);
  height: 100%;
  border-radius: 4px;
  width: 0%;
  transition: width 0.3s;
}


/* --- Admin Panel --- */
.admin-panel {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
}
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-3);
}
.admin-header h2 { margin: 0; }

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: center;
}
.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.admin-table-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.admin-table th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.admin-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: middle;
}
.admin-table tr:hover td {
  background: rgba(255,255,255,0.02);
}
.admin-table tr.row-inactive td {
  opacity: 0.45;
}

.user-cell {
  display: flex;
  align-items: center;
  gap: 10px;
}
.user-cell-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--text-sm);
  flex-shrink: 0;
}
.user-cell-name { font-weight: 500; }
.user-cell-email { font-size: var(--text-xs); color: var(--color-text-muted); }

.role-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.role-user { background: rgba(255,255,255,0.08); color: var(--color-text-muted); }
.role-admin { background: var(--color-accent); color: white; }

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}
.status-dot.active { background: #2ecc71; }
.status-dot.inactive { background: #e74c3c; }

.action-btns {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.btn-xs {
  padding: 4px 8px;
  font-size: 11px;
}

/* --- Tour Tooltips --- */
.tour-tooltip {
  position: fixed;
  z-index: 10000;
  background: var(--color-surface-light);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: 16px;
  max-width: 320px;
  box-shadow: var(--shadow-lg);
  animation: tourFadeIn 0.2s ease;
}
@keyframes tourFadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}
.tour-tooltip-content {
  color: var(--color-text);
  font-size: var(--text-sm);
  line-height: 1.5;
  margin-bottom: 12px;
}
.tour-tooltip-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}
.tour-highlight {
  outline: 3px solid var(--color-accent) !important;
  outline-offset: 4px;
  z-index: 9999;
  position: relative;
}

/* --- Keyboard Shortcuts Panel --- */
.shortcuts-grid {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}
.shortcut-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 0;
}
.shortcut-row kbd {
  display: inline-block;
  min-width: 40px;
  text-align: center;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  background: var(--color-tertiary);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  color: var(--color-text);
}
.shortcut-row span {
  color: var(--color-text-dim);
  font-size: var(--text-sm);
}

/* --- Settings Panel --- */
.settings-group {
  margin-bottom: 16px;
}
.settings-group label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  font-size: var(--text-sm);
  color: var(--color-text-dim);
}
.settings-group select {
  padding: 4px 8px;
  font-size: var(--text-sm);
  background: var(--color-tertiary);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  color: var(--color-text);
}