/* ================================================================
   REUSABLE UI COMPONENTS
   Multi-Vendor Marketplace Platform
   ================================================================ */

/* --- Container & Layout Helpers --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.flex-1 { flex: 1 1 0%; }
.flex-wrap { flex-wrap: wrap; }
.grid { display: grid; }

/* --- Auth divider & Google Sign-In button --- */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-4) 0;
  color: var(--text-subtle);
  font-size: 11px;
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  user-select: none;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.google-btn-container {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.google-btn-container iframe {
  border-radius: var(--radius-md);
}

.demo-pills {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.demo-pill {
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: var(--font-semibold);
  border: 1px solid var(--border-color);
  background: var(--bg-subtle);
  color: var(--text-main);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
  text-align: left;
  width: 100%;
}

.demo-pill:hover {
  background: var(--bg-hover);
  border-color: var(--primary);
}

.demo-pill.active {
  background: var(--primary);
  color: var(--on-primary);
  border-color: var(--primary);
  box-shadow: 0 2px 8px hsla(var(--primary-h), var(--primary-s), 31%, 0.35);
}

/* --- Buttons (Glovo-style rounded pill controls) --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem 1.375rem;
  font-weight: var(--font-bold);
  font-size: var(--text-sm);
  line-height: 1.25;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--transition-fast);
  user-select: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled, .btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  border-color: var(--primary);
  box-shadow: 0 4px 10px hsla(var(--primary-h), var(--primary-s), 31%, 0.28);
}

.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: var(--on-primary);
  box-shadow: 0 6px 16px hsla(var(--primary-h), var(--primary-s), 31%, 0.36);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--text-subtle);
  color: var(--text-main);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary-subtle);
  color: var(--primary-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-main);
}

.btn-ghost.active {
  background: var(--primary-subtle);
  color: var(--primary);
}

.btn-danger {
  background: var(--danger);
  color: #ffffff;
  border-color: var(--danger);
}

.btn-danger:hover {
  background: hsl(var(--danger-h), var(--danger-s), 50%);
  color: #ffffff;
}

.btn-success {
  background: var(--success);
  color: #ffffff;
  border-color: var(--success);
}

.btn-success:hover {
  background: hsl(var(--success-h), var(--success-s), 38%);
  color: #ffffff;
}

.btn-sm {
  padding: 0.375rem 0.875rem;
  font-size: var(--text-xs);
  border-radius: var(--radius-full);
}

.btn-lg {
  padding: 0.9375rem 2rem;
  font-size: var(--text-base);
  border-radius: var(--radius-full);
}

.btn-icon {
  padding: 0.5rem;
  border-radius: var(--radius-full);
  line-height: 1;
}

.btn-icon.btn-sm {
  padding: 0.375rem;
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  line-height: 1.2;
}

.badge-primary {
  background: var(--primary-subtle);
  color: var(--primary);
}

.badge-success {
  background: var(--success-subtle);
  color: var(--success);
}

.badge-warning {
  background: var(--warning-subtle);
  color: var(--warning);
}

.badge-danger {
  background: var(--danger-subtle);
  color: var(--danger);
}

.badge-info {
  background: hsla(var(--info-h), var(--info-s), 48%, 0.12);
  color: var(--info);
}

.badge-neutral {
  background: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.badge-dot::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* --- Form Controls --- */
.form-group {
  margin-bottom: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: var(--text-sm);
  color: var(--text-main);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px hsla(var(--primary-h), var(--primary-s), 53%, 0.15);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-subtle);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon-left {
  position: absolute;
  left: 12px;
  color: var(--text-muted);
  pointer-events: none;
}

.input-with-icon .form-input {
  padding-left: 38px;
}

.password-field {
  position: relative;
  display: flex;
  align-items: center;
}

.password-field .form-input {
  padding-right: 44px;
}

.password-toggle {
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  min-height: 40px;
  padding: 0;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.password-toggle:hover,
.password-toggle:focus-visible {
  color: var(--primary);
  background: hsla(var(--primary-h), var(--primary-s), 53%, 0.08);
}

.password-toggle:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 2px;
}

.form-error {
  font-size: var(--text-xs);
  color: var(--danger);
  margin-top: 2px;
  font-weight: var(--font-medium);
}

/* --- Cards --- */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.card-interactive:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: hsla(var(--primary-h), var(--primary-s), 53%, 0.3);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--text-main);
}

/* --- Modal Dialogs --- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
  overflow: hidden;
}

.modal-content.modal-lg {
  max-width: 900px;
}

.modal-content.modal-xl {
  max-width: 1140px;
}

.modal-backdrop.active .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-main);
}

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-color);
  background: var(--bg-subtle);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: var(--bg-hover);
  color: var(--text-main);
}

/* --- Slide-Over Drawers --- */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(2px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.drawer-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.drawer-container {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 440px;
  background: var(--bg-surface);
  box-shadow: var(--shadow-xl);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}

.drawer-backdrop.active .drawer-container {
  transform: translateX(0);
}

.drawer-header {
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.drawer-body {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1;
}

.drawer-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-color);
  background: var(--bg-subtle);
}

/* --- Navigation Tabs --- */
.tab-list {
  display: flex;
  gap: var(--space-2);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0;
  overflow-x: auto;
}

.tab-btn {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-pane {
  display: none;
}

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

/* --- KPI Metric Cards --- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  box-shadow: var(--shadow-md);
}

.kpi-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.kpi-icon-wrap.primary { background: var(--primary-subtle); color: var(--primary); }
.kpi-icon-wrap.success { background: var(--success-subtle); color: var(--success); }
.kpi-icon-wrap.warning { background: var(--warning-subtle); color: var(--warning); }
.kpi-icon-wrap.info { background: hsla(var(--info-h), var(--info-s), 48%, 0.12); color: var(--info); }

.kpi-info {
  display: flex;
  flex-direction: column;
}

.kpi-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: var(--font-medium);
}

.kpi-val {
  font-size: var(--text-2xl);
  font-weight: var(--font-extrabold);
  color: var(--text-main);
  line-height: 1.2;
  margin-top: 2px;
}

.kpi-trend {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  margin-top: 4px;
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.kpi-trend.positive { color: var(--success); }
.kpi-trend.neutral { color: var(--text-muted); }

/* --- Tables --- */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  box-shadow: var(--shadow-md);
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: var(--text-sm);
}

.table th {
  background: var(--bg-subtle);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.table td {
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
  vertical-align: middle;
}

.table tr:last-child td {
  border-bottom: none;
}

.table tbody tr:hover {
  background: var(--bg-hover);
}

/* --- Star Ratings --- */
.star-rating {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: var(--warning);
}

.star-rating-count {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-left: 4px;
}

/* --- Toast Notifications --- */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 2000;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 300px;
  max-width: 420px;
  transform: translateY(20px);
  opacity: 0;
  animation: toastIn 0.25s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.toast.toast-leave {
  animation: toastOut 0.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.toast-icon {
  flex-shrink: 0;
  display: flex;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--text-main);
}

.toast-msg {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 1px;
}

.toast-close {
  background: transparent;
  border: none;
  color: var(--text-subtle);
  cursor: pointer;
  padding: 4px;
  display: flex;
}

.toast-close:hover {
  color: var(--text-main);
}

@keyframes toastIn {
  to { transform: translateY(0); opacity: 1; }
}

@keyframes toastOut {
  to { transform: translateY(10px); opacity: 0; }
}

/* --- Responsive Helpers --- */
@media (max-width: 768px) {
  .demo-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
  .demo-pills {
    overflow-x: auto;
    width: 100%;
    padding-bottom: 2px;
  }
  .modal-content {
    max-height: 95vh;
    border-radius: var(--radius-lg);
  }
}