/* ============================================================
   WHERE TO STAY — REUSABLE COMPONENTS
   ============================================================
   Buttons, cards, forms, badges, modals, toasts, alerts,
   tooltips, tabs, accordions, chips, avatars, progress bars,
   skeletons and other reusable UI patterns.
   ============================================================ */


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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--btn-padding-y-md) var(--btn-padding-x-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--btn-font-weight);
  line-height: 1;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: var(--btn-radius);
  cursor: pointer;
  user-select: none;
  transition: all var(--transition-base);
  min-height: 44px; /* WCAG touch target */
  position: relative;
  overflow: hidden;
}

.btn:disabled,
.btn.is-disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* Button sizes */
.btn-xs {
  padding: 0.375rem 0.75rem;
  font-size: var(--text-xs);
  min-height: 32px;
  border-radius: var(--radius-sm);
}

.btn-sm {
  padding: var(--btn-padding-y-sm) var(--btn-padding-x-sm);
  font-size: var(--text-sm);
  min-height: 38px;
}

.btn-lg {
  padding: var(--btn-padding-y-lg) var(--btn-padding-x-lg);
  font-size: var(--text-lg);
  min-height: 52px;
  border-radius: var(--radius-lg);
}

.btn-xl {
  padding: var(--btn-padding-y-xl) var(--btn-padding-x-xl);
  font-size: var(--text-xl);
  min-height: 60px;
  border-radius: var(--radius-lg);
}

.btn-block {
  width: 100%;
}

/* Button variants */
.btn-primary {
  background: var(--brand-primary);
  color: var(--text-on-primary);
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  background: var(--brand-primary-dark);
  border-color: var(--brand-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-brand);
  color: var(--text-on-primary);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background: var(--brand-secondary);
  color: var(--text-on-secondary);
  border-color: var(--brand-secondary);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--brand-secondary-dark);
  border-color: var(--brand-secondary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: var(--text-on-secondary);
}

.btn-accent {
  background: var(--brand-accent);
  color: var(--text-on-accent);
  border-color: var(--brand-accent);
  box-shadow: var(--shadow-sm);
}

.btn-accent:hover:not(:disabled) {
  background: var(--brand-accent-dark);
  border-color: var(--brand-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-accent);
  color: var(--text-on-accent);
}

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

.btn-outline:hover:not(:disabled) {
  background: var(--brand-primary);
  color: var(--text-on-primary);
  border-color: var(--brand-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline-accent:hover:not(:disabled) {
  background: var(--brand-accent);
  color: var(--text-on-accent);
}

.btn-outline-white {
  background: transparent;
  color: white;
  border-color: white;
}

.btn-outline-white:hover:not(:disabled) {
  background: white;
  color: var(--brand-primary);
}

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

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.btn-white {
  background: white;
  color: var(--brand-primary);
  border-color: white;
  box-shadow: var(--shadow-md);
}

.btn-white:hover:not(:disabled) {
  background: var(--neutral-100);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
  color: var(--brand-primary-dark);
}

.btn-danger {
  background: var(--color-error);
  color: white;
  border-color: var(--color-error);
}

.btn-danger:hover:not(:disabled) {
  background: #B91C1C;
  border-color: #B91C1C;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: white;
}

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

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

.btn-neutral {
  background: var(--bg-surface-alt);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-neutral:hover:not(:disabled) {
  background: var(--bg-surface-hover);
  border-color: var(--border-color-strong);
}

/* Icon-only button */
.btn-icon {
  padding: 0;
  width: 44px;
  height: 44px;
  min-height: 44px;
  border-radius: var(--radius-md);
}

.btn-icon.btn-sm { width: 38px; height: 38px; min-height: 38px; }
.btn-icon.btn-lg { width: 52px; height: 52px; min-height: 52px; }
.btn-icon.btn-round { border-radius: var(--radius-circle); }

/* Loading state */
.btn-loading {
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  margin: -9px 0 0 -9px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  color: white;
}

.btn-outline.btn-loading::after,
.btn-ghost.btn-loading::after {
  color: var(--brand-primary);
}


/* ============================================================
   BUTTON GROUP
   ============================================================ */

.btn-group {
  display: inline-flex;
  gap: 0;
}

.btn-group .btn {
  border-radius: 0;
  border-right-width: 0;
}

.btn-group .btn:first-child {
  border-radius: var(--btn-radius) 0 0 var(--btn-radius);
}

.btn-group .btn:last-child {
  border-radius: 0 var(--btn-radius) var(--btn-radius) 0;
  border-right-width: 1px;
}

.btn-group .btn:hover {
  z-index: 1;
}


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

.card {
  background: var(--card-bg);
  border: var(--card-border);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--border-color-strong);
}

.card-body {
  padding: var(--card-padding);
}

.card-body-sm {
  padding: var(--card-padding-sm);
}

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

.card-header h1, .card-header h2, .card-header h3, .card-header h4 {
  margin: 0;
}

.card-footer {
  padding: var(--card-padding);
  border-top: 1px solid var(--border-color-light);
  background: var(--bg-surface-alt);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.card-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  line-height: var(--leading-tight);
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--space-3);
}

.card-text {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.card-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.card-image-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card-hover:hover .card-image-wrap img {
  transform: scale(1.05);
}

.card-glass {
  background: var(--bg-glass);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.card-featured {
  border: 2px solid var(--brand-secondary);
  box-shadow: 0 8px 24px rgba(212, 168, 67, 0.15);
}

.card-elevated {
  box-shadow: var(--shadow-lg);
}


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

.form-group {
  margin-bottom: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-label-required::after {
  content: '*';
  color: var(--color-error);
  margin-left: 2px;
}

.form-label-optional::after {
  content: '(optional)';
  color: var(--text-muted);
  font-weight: var(--weight-normal);
  font-size: var(--text-xs);
  margin-left: var(--space-1);
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-top: -4px;
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-success {
  font-size: var(--text-xs);
  color: var(--color-success);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Input fields */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  height: var(--input-height);
  padding: 0 var(--input-padding-x);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--input-bg);
  border: var(--input-border);
  border-radius: var(--input-radius);
  transition: all var(--transition-fast);
  appearance: none;
}

.form-textarea {
  height: auto;
  min-height: 120px;
  padding: var(--space-3) var(--input-padding-x);
  line-height: var(--leading-relaxed);
  resize: vertical;
}

.form-input-sm {
  height: var(--input-height-sm);
  font-size: var(--text-sm);
}

.form-input-lg {
  height: var(--input-height-lg);
  font-size: var(--text-lg);
}

.form-input:hover:not(:disabled),
.form-select:hover:not(:disabled),
.form-textarea:hover:not(:disabled) {
  border-color: var(--border-color-strong);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--border-color-focus);
  box-shadow: var(--shadow-focus);
  background: var(--bg-surface);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  background: var(--input-bg-disabled);
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.65;
}

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: var(--color-error);
}

.form-input.is-invalid:focus {
  box-shadow: var(--shadow-focus-error);
}

/* Select dropdown arrow */
.form-select {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 16px;
  padding-right: var(--space-10);
  cursor: pointer;
}

[data-theme="dark"] .form-select {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

/* Input with icon */
.form-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.form-input-icon {
  position: absolute;
  left: var(--space-4);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  pointer-events: none;
  z-index: 1;
}

.form-input-wrap .form-input {
  padding-left: calc(var(--space-4) + 20px + var(--space-2));
}

.form-input-icon-right {
  position: absolute;
  right: var(--space-3);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  cursor: pointer;
  z-index: 1;
}

.form-input-wrap .form-input.has-icon-right {
  padding-right: calc(var(--space-3) + 20px + var(--space-2));
}

/* Checkbox and radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  padding: var(--space-2) 0;
  line-height: var(--leading-normal);
}

.form-check-input {
  width: 20px;
  height: 20px;
  margin: 0;
  flex-shrink: 0;
  cursor: pointer;
  accent-color: var(--brand-primary);
  margin-top: 2px;
}

.form-check-label {
  font-size: var(--text-base);
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}

/* Toggle switch */
.form-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.form-switch-input {
  position: relative;
  width: 44px;
  height: 24px;
  appearance: none;
  background: var(--neutral-300);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.form-switch-input::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.form-switch-input:checked {
  background: var(--brand-primary);
}

.form-switch-input:checked::before {
  transform: translateX(20px);
}

.form-switch-input:focus-visible {
  box-shadow: var(--shadow-focus);
}


/* ============================================================
   BADGES
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.25rem 0.625rem;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  line-height: 1;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  letter-spacing: var(--tracking-wide);
  border: 1px solid transparent;
}

.badge-sm {
  padding: 0.125rem 0.5rem;
  font-size: 10px;
}

.badge-lg {
  padding: 0.375rem 0.875rem;
  font-size: var(--text-sm);
}

.badge-primary {
  background: var(--brand-primary-50);
  color: var(--brand-primary);
  border-color: var(--brand-primary-100);
}

.badge-secondary {
  background: var(--brand-secondary-50);
  color: var(--brand-secondary-dark);
  border-color: var(--brand-secondary-100);
}

.badge-accent {
  background: var(--brand-accent-50);
  color: var(--brand-accent-dark);
  border-color: var(--brand-accent-100);
}

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

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

.badge-error {
  background: var(--color-error-bg);
  color: var(--color-error);
  border-color: var(--color-error-border);
}

.badge-info {
  background: var(--color-info-bg);
  color: var(--color-info);
  border-color: var(--color-info-border);
}

.badge-neutral {
  background: var(--bg-surface-alt);
  color: var(--text-secondary);
  border-color: var(--border-color);
}

.badge-solid {
  background: var(--brand-primary);
  color: white;
  border-color: var(--brand-primary);
}

.badge-solid-accent {
  background: var(--brand-accent);
  color: white;
  border-color: var(--brand-accent);
}

.badge-solid-gold {
  background: var(--brand-secondary);
  color: var(--text-on-secondary);
  border-color: var(--brand-secondary);
}

.badge-verified {
  background: linear-gradient(135deg, #2563EB, #3B82F6);
  color: white;
  border: none;
  padding: 0.3rem 0.7rem;
  gap: var(--space-1);
}

.badge-featured {
  background: var(--gradient-gold);
  color: var(--text-on-secondary);
  border: none;
  padding: 0.3rem 0.7rem;
  box-shadow: 0 2px 8px rgba(212, 168, 67, 0.25);
}

.badge-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border-radius: 50%;
  display: inline-block;
}


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

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  transition: opacity var(--transition-base);
  overflow-y: auto;
}

.modal-backdrop.is-open {
  opacity: 1;
}

.modal {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  width: 100%;
  max-width: 500px;
  max-height: calc(100vh - var(--space-8));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-base);
  z-index: var(--z-modal);
}

.modal-backdrop.is-open .modal {
  transform: scale(1) translateY(0);
}

.modal-sm { max-width: 400px; }
.modal-md { max-width: 500px; }
.modal-lg { max-width: 700px; }
.modal-xl { max-width: 900px; }
.modal-full { max-width: 1200px; }

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-color-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-shrink: 0;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  margin: 0;
  line-height: var(--leading-tight);
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  flex-shrink: 0;
  background: transparent;
  border: none;
  cursor: pointer;
}

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

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

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-color-light);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  background: var(--bg-surface-alt);
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .modal {
    max-height: calc(100vh - var(--space-4));
    border-radius: var(--radius-lg);
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
}


/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */

.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 400px;
  width: calc(100% - var(--space-8));
  pointer-events: none;
}

.toast {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  animation: slideInRight var(--transition-smooth);
  pointer-events: auto;
  border-left: 4px solid var(--brand-primary);
  border-top: 1px solid var(--border-color-light);
  border-right: 1px solid var(--border-color-light);
  border-bottom: 1px solid var(--border-color-light);
}

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

.toast.is-hiding {
  animation: slideOutRight var(--transition-base) forwards;
}

@keyframes slideOutRight {
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

.toast-success { border-left-color: var(--color-success); }
.toast-warning { border-left-color: var(--color-warning); }
.toast-error { border-left-color: var(--color-error); }
.toast-info { border-left-color: var(--color-info); }

.toast-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-primary);
}

.toast-success .toast-icon { color: var(--color-success); }
.toast-warning .toast-icon { color: var(--color-warning); }
.toast-error .toast-icon { color: var(--color-error); }
.toast-info .toast-icon { color: var(--color-info); }

.toast-content {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
  font-size: var(--text-sm);
}

.toast-message {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.toast-close {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  transition: all var(--transition-fast);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
}

.toast-close:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

@media (max-width: 640px) {
  .toast-container {
    top: auto;
    bottom: var(--space-4);
    left: var(--space-4);
    right: var(--space-4);
    width: auto;
    max-width: none;
  }
}


/* ============================================================
   ALERTS (Inline messages)
   ============================================================ */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  margin-bottom: var(--space-4);
}

.alert-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.alert-content {
  flex: 1;
  min-width: 0;
}

.alert-title {
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-1);
  font-size: var(--text-sm);
}

.alert-message {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.alert-primary {
  background: var(--brand-primary-50);
  border-color: var(--brand-primary-100);
  color: var(--brand-primary-dark);
}

.alert-success {
  background: var(--color-success-bg);
  border-color: var(--color-success-border);
  color: var(--color-success);
}

.alert-warning {
  background: var(--color-warning-bg);
  border-color: var(--color-warning-border);
  color: var(--color-warning);
}

.alert-error {
  background: var(--color-error-bg);
  border-color: var(--color-error-border);
  color: var(--color-error);
}

.alert-info {
  background: var(--color-info-bg);
  border-color: var(--color-info-border);
  color: var(--color-info);
}


/* ============================================================
   AVATAR
   ============================================================ */

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--brand-primary);
  color: var(--text-on-primary);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
  font-family: var(--font-heading);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-xs { width: 24px; height: 24px; font-size: var(--text-xs); }
.avatar-sm { width: 32px; height: 32px; font-size: var(--text-xs); }
.avatar-md { width: 40px; height: 40px; font-size: var(--text-sm); }
.avatar-lg { width: 56px; height: 56px; font-size: var(--text-base); }
.avatar-xl { width: 80px; height: 80px; font-size: var(--text-xl); }
.avatar-2xl { width: 120px; height: 120px; font-size: var(--text-3xl); }

.avatar-status {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--bg-surface);
}

.avatar-status-online { background: var(--color-success); }
.avatar-status-away { background: var(--color-warning); }
.avatar-status-busy { background: var(--color-error); }
.avatar-status-offline { background: var(--neutral-400); }

.avatar-group {
  display: flex;
  align-items: center;
}

.avatar-group .avatar {
  border: 2px solid var(--bg-surface);
  margin-left: -8px;
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}


/* ============================================================
   CHIPS
   ============================================================ */

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.375rem 0.875rem;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.chip:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-color-strong);
}

.chip.is-active {
  background: var(--brand-primary);
  color: var(--text-on-primary);
  border-color: var(--brand-primary);
}

.chip-close {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: currentColor;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
  border-radius: 50%;
}

.chip-close:hover {
  opacity: 1;
}


/* ============================================================
   PROGRESS BAR
   ============================================================ */

.progress {
  width: 100%;
  height: 8px;
  background: var(--bg-surface-alt);
  border-radius: var(--radius-pill);
  overflow: hidden;
  position: relative;
}

.progress-sm { height: 4px; }
.progress-lg { height: 12px; }

.progress-bar {
  height: 100%;
  background: var(--brand-primary);
  transition: width var(--transition-smooth);
  border-radius: var(--radius-pill);
  position: relative;
  overflow: hidden;
}

.progress-bar-gradient {
  background: var(--gradient-brand);
}

.progress-bar-accent { background: var(--brand-accent); }
.progress-bar-gold { background: var(--brand-secondary); }
.progress-bar-success { background: var(--color-success); }
.progress-bar-warning { background: var(--color-warning); }
.progress-bar-error { background: var(--color-error); }

.progress-bar-striped {
  background-image: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.15) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.15) 50%,
    rgba(255, 255, 255, 0.15) 75%,
    transparent 75%,
    transparent
  );
  background-size: 1rem 1rem;
}

.progress-bar-animated {
  animation: progressStripes 1s linear infinite;
}

@keyframes progressStripes {
  from { background-position: 1rem 0; }
  to { background-position: 0 0; }
}


/* ============================================================
   SKELETON LOADERS
   ============================================================ */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-surface-alt) 0%,
    var(--bg-surface-hover) 50%,
    var(--bg-surface-alt) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 12px;
  margin-bottom: var(--space-2);
  border-radius: var(--radius-xs);
}

.skeleton-text-lg {
  height: 20px;
}

.skeleton-title {
  height: 28px;
  width: 60%;
  margin-bottom: var(--space-3);
}

.skeleton-image {
  aspect-ratio: 16 / 10;
  width: 100%;
  border-radius: var(--radius-md);
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.skeleton-button {
  width: 120px;
  height: 44px;
  border-radius: var(--btn-radius);
}


/* ============================================================
   SPINNER / LOADER
   ============================================================ */

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border-color);
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

.spinner-sm { width: 16px; height: 16px; border-width: 2px; }
.spinner-lg { width: 40px; height: 40px; border-width: 3px; }
.spinner-xl { width: 56px; height: 56px; border-width: 4px; }

.spinner-white {
  border-color: rgba(255, 255, 255, 0.3);
  border-top-color: white;
}

.spinner-accent {
  border-top-color: var(--brand-accent);
}

.loader-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-8);
  min-height: 200px;
}

.loader-text {
  color: var(--text-tertiary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}


/* ============================================================
   TOOLTIP
   ============================================================ */

.tooltip-wrap {
  position: relative;
  display: inline-block;
}

.tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--neutral-900);
  color: white;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: var(--z-tooltip);
}

.tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--neutral-900);
}

.tooltip-wrap:hover .tooltip,
.tooltip-wrap:focus-within .tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(-2px);
}


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

.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab {
  padding: var(--space-3) var(--space-5);
  color: var(--text-secondary);
  font-weight: var(--weight-medium);
  font-size: var(--text-base);
  cursor: pointer;
  border: none;
  background: transparent;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
  margin-bottom: -1px;
}

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

.tab.is-active {
  color: var(--brand-primary);
  border-bottom-color: var(--brand-primary);
  font-weight: var(--weight-semibold);
}

.tab-pill {
  border-radius: var(--radius-pill);
  padding: 0.5rem 1rem;
  border-bottom: none;
  font-size: var(--text-sm);
}

.tab-pill.is-active {
  background: var(--brand-primary);
  color: var(--text-on-primary);
  border-bottom: none;
}


/* ============================================================
   ACCORDION
   ============================================================ */

.accordion {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--border-color-light);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  color: var(--text-primary);
  font-weight: var(--weight-semibold);
  font-size: var(--text-base);
  transition: background var(--transition-fast);
}

.accordion-header:hover {
  background: var(--bg-surface-hover);
}

.accordion-icon {
  transition: transform var(--transition-base);
  color: var(--text-secondary);
  flex-shrink: 0;
}

.accordion-item.is-open .accordion-icon {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.accordion-item.is-open .accordion-body {
  max-height: 1000px;
}

.accordion-content {
  padding: 0 var(--space-5) var(--space-4);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}


/* ============================================================
   DIVIDER
   ============================================================ */

.divider {
  height: 1px;
  background: var(--border-color);
  margin: var(--space-6) 0;
  border: none;
}

.divider-vertical {
  width: 1px;
  height: auto;
  align-self: stretch;
  margin: 0 var(--space-4);
}

.divider-text {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
  color: var(--text-tertiary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

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


/* ============================================================
   EMPTY STATE
   ============================================================ */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-6);
  text-align: center;
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--bg-surface-alt);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.empty-state-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state-description {
  color: var(--text-tertiary);
  max-width: 400px;
  margin-bottom: var(--space-5);
  line-height: var(--leading-relaxed);
}


/* ============================================================
   BREADCRUMB
   ============================================================ */

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
}

.breadcrumb a {
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--text-primary);
}

.breadcrumb-separator {
  color: var(--text-muted);
  font-size: var(--text-xs);
}

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: var(--weight-medium);
}


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

.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  justify-content: center;
  padding: var(--space-4) 0;
}

.pagination-btn {
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: var(--weight-medium);
  transition: all var(--transition-fast);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
}

.pagination-btn:hover:not(:disabled) {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.pagination-btn.is-active {
  background: var(--brand-primary);
  color: var(--text-on-primary);
  border-color: var(--brand-primary);
}

.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}


/* ============================================================
   RATING STARS
   ============================================================ */

.rating {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.rating-stars {
  display: inline-flex;
  gap: 2px;
  color: var(--brand-secondary);
}

.rating-star {
  width: 16px;
  height: 16px;
}

.rating-value {
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  font-size: var(--text-sm);
}

.rating-count {
  color: var(--text-tertiary);
  font-size: var(--text-sm);
}