/**
 * TubeRaker UI Components
 * Reusable component styles
 */

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--input-padding-y) var(--input-padding-x);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  border: 1px solid transparent;
  min-height: var(--input-height);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

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

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

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

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

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

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

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

.btn-danger:hover:not(:disabled) {
  background-color: #dc2626; /* Red 600 */
}

.btn-sm {
  min-height: var(--input-height-sm);
  padding: 0.375rem 0.75rem;
  font-size: var(--font-size-sm);
}

.btn-lg {
  min-height: var(--input-height-lg);
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-lg);
}

.btn-icon {
  padding: var(--spacing-sm);
  min-width: var(--input-height);
}

.btn-icon.btn-sm {
  min-width: var(--input-height-sm);
}

.btn-icon.btn-lg {
  min-width: var(--input-height-lg);
}

.btn-block {
  width: 100%;
  display: flex;
}

/* ===== Cards ===== */
.card {
  background-color: var(--bg-elevated);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

.card-bordered {
  border: 1px solid var(--border-primary);
}

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

.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  transform: translateY(-0.125rem);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-secondary);
}

.card-header {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-primary);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin-top: var(--spacing-xs);
}

.card-body {
  color: var(--text-secondary);
}

.card-footer {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

/* ===== Badges ===== */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.5rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

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

.badge-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

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

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

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

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

/* ===== Alerts ===== */
.alert {
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

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

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

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

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

.alert-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
}

.alert-message {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

/* ===== Avatars ===== */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
  user-select: none;
}

.avatar-sm {
  width: 2rem;
  height: 2rem;
  font-size: var(--font-size-sm);
}

.avatar-md {
  width: 2.5rem;
  height: 2.5rem;
  font-size: var(--font-size-base);
}

.avatar-lg {
  width: 3rem;
  height: 3rem;
  font-size: var(--font-size-lg);
}

.avatar-xl {
  width: 4rem;
  height: 4rem;
  font-size: var(--font-size-xl);
}

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

/* ===== Divider ===== */
.divider {
  height: 1px;
  background-color: var(--border-primary);
  margin: var(--spacing-lg) 0;
  border: 0;
}

.divider-vertical {
  width: 1px;
  height: auto;
  margin: 0 var(--spacing-md);
}

/* ===== Progress ===== */
.progress {
  width: 100%;
  height: 0.5rem;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--color-brand-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.progress-bar-success {
  background-color: var(--color-success);
}

.progress-bar-warning {
  background-color: var(--color-warning);
}

.progress-bar-error {
  background-color: var(--color-error);
}

/* ===== Spinner ===== */
.spinner {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border: 0.125rem solid var(--bg-tertiary);
  border-top-color: var(--color-brand-primary);
  border-radius: var(--radius-full);
  animation: spin 0.6s linear infinite;
}

.spinner-sm {
  width: 1rem;
  height: 1rem;
  border-width: 0.125rem;
}

.spinner-lg {
  width: 2rem;
  height: 2rem;
  border-width: 0.1875rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== Tooltip ===== */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip-content {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-0.5rem);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  border-radius: var(--radius-md);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-tooltip);
}

.tooltip:hover .tooltip-content {
  opacity: 1;
  visibility: visible;
}

/* ===== Dropdown ===== */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 12rem;
  margin-top: var(--spacing-xs);
  padding: var(--spacing-sm);
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-0.5rem);
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
  max-height: 20rem;
  overflow-y: auto;
}

.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  white-space: nowrap;
}

.dropdown-item:hover {
  background-color: var(--bg-hover);
}

.dropdown-item.active {
  background-color: var(--bg-active);
  color: var(--color-brand-primary);
}

.dropdown-divider {
  height: 1px;
  background-color: var(--border-primary);
  margin: var(--spacing-sm) 0;
}

/* ===== Tags ===== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.25rem 0.625rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
}

.tag-removable {
  padding-right: 0.25rem;
}

.tag-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  margin-left: var(--spacing-xs);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.tag-remove:hover {
  background-color: var(--bg-hover);
}