/**
 * UI Components - Buttons, forms, tables, modals, etc.
 * miner-inventory-admin
 */

/* ==================== Buttons ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

/* Button sizes */
.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-base);
}

/* Button variants */
.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

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

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

.btn-secondary:hover {
  background-color: var(--color-background);
  border-color: var(--color-border-dark);
}

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

.btn-success:hover {
  background-color: #15803d;
  border-color: #15803d;
}

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

.btn-danger:hover {
  background-color: #b91c1c;
  border-color: #b91c1c;
}

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

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

.btn-link {
  background-color: transparent;
  color: var(--color-primary);
  border-color: transparent;
  padding: 0;
}

.btn-link:hover {
  text-decoration: underline;
}

/* Icon button */
.btn-icon {
  padding: var(--spacing-sm);
  width: 36px;
  height: 36px;
}

.btn-icon svg {
  width: 20px;
  height: 20px;
}

/* Button with full width */
.btn-block {
  width: 100%;
}

/* ==================== Forms ==================== */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.form-label.required::after {
  content: ' *';
  color: var(--color-danger);
}

.form-control {
  display: block;
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  background-clip: padding-box;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: 0;
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-control::placeholder {
  color: var(--color-text-light);
  opacity: 1;
}

.form-control:disabled {
  background-color: var(--color-background);
  cursor: not-allowed;
  opacity: 0.7;
}

.form-control.is-invalid {
  border-color: var(--color-danger);
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px var(--color-danger-light);
}

/* Textarea */
textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

/* Select */
select.form-control,
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--spacing-sm) center;
  background-repeat: no-repeat;
  background-size: 20px;
  padding-right: calc(var(--spacing-md) + 20px);
}

.form-select {
  display: block;
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  background-clip: padding-box;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-select:focus {
  border-color: var(--color-primary);
  outline: 0;
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-select:disabled {
  background-color: var(--color-background);
  cursor: not-allowed;
  opacity: 0.7;
}

/* Checkbox and Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.form-check-input {
  width: 18px;
  height: 18px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.form-check-label {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
}

/* Form error message */
.form-error {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-danger);
}

/* Form hint */
.form-hint {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Input group */
.input-group {
  display: flex;
  align-items: stretch;
}

.input-group .form-input {
  flex: 1;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  margin-left: -1px;
}

.input-group-append {
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-md);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-left: 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ==================== Tables ==================== */
.table-container {
  overflow-x: auto;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

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

.table th,
.table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  background-color: var(--color-background);
  white-space: nowrap;
}

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

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

/* Sortable table header */
.table th.sortable {
  cursor: pointer;
  user-select: none;
}

.table th.sortable:hover {
  background-color: var(--color-border);
}

.table th.sortable::after {
  content: '';
  display: inline-block;
  margin-left: var(--spacing-xs);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid var(--color-text-muted);
  vertical-align: middle;
}

.table th.sortable.asc::after {
  border-top: none;
  border-bottom: 4px solid var(--color-primary);
}

.table th.sortable.desc::after {
  border-top: 4px solid var(--color-primary);
}

/* Table variants */
.table-striped tbody tr:nth-child(odd) {
  background-color: var(--color-background);
}

.table-compact th,
.table-compact td {
  padding: var(--spacing-xs) var(--spacing-sm);
}

/* ==================== Cards ==================== */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

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

.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0;
}

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

.card-footer {
  padding: var(--spacing-md);
  background-color: var(--color-background);
  border-top: 1px solid var(--color-border);
}

/* ==================== Modals ==================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex !important;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

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

.modal {
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

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

.modal-lg {
  max-width: 800px;
}

.modal-sm {
  max-width: 400px;
}

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

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0;
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

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

.modal-close svg {
  width: 20px;
  height: 20px;
}

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

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-background);
}

/* ==================== Toast Notifications ==================== */
.toast-container {
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 400px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-primary);
  pointer-events: auto;
  animation: toast-slide-in var(--transition-normal) ease;
}

@keyframes toast-slide-in {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

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

.toast.toast-danger {
  border-left-color: var(--color-danger);
}

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

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

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

.toast-message {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.toast-close {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: background-color var(--transition-fast);
}

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

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

.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.dropdown-toggle::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  vertical-align: middle;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  margin-top: var(--spacing-xs);
  padding: var(--spacing-xs) 0;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

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

.dropdown-menu-right {
  left: auto;
  right: 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  text-decoration: none;
  transition: background-color var(--transition-fast);
  cursor: pointer;
  border: none;
  background: none;
  text-align: left;
}

.dropdown-item:hover {
  background-color: var(--color-background);
  text-decoration: none;
}

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

.dropdown-item svg {
  width: 16px;
  height: 16px;
}

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

/* ==================== Status Badges ==================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  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-primary-light);
  color: var(--color-primary);
}

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

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

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

.badge-gray {
  background-color: var(--status-pending-bg);
  color: var(--status-pending);
}

/* Status badges for task statuses */
.status-pending {
  background-color: var(--status-pending-bg);
  color: var(--status-pending);
}

.status-in-progress {
  background-color: var(--status-in-progress-bg);
  color: var(--status-in-progress);
}

.status-completed {
  background-color: var(--status-completed-bg);
  color: var(--status-completed);
}

/* ==================== Progress Bar ==================== */
.progress {
  height: 8px;
  background-color: var(--color-background);
  border-radius: var(--radius-full);
  overflow: hidden;
}

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

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

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

/* ==================== Upload Zone ==================== */
.upload-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  background-color: var(--color-background);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.upload-zone:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.upload-zone.dragover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.upload-zone.has-file {
  border-style: solid;
  border-color: var(--color-success);
  background-color: var(--color-success-light);
}

.upload-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-muted);
}

.upload-text {
  font-size: var(--font-size-base);
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.upload-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.upload-file-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-md);
}

/* ==================== Empty State ==================== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  text-align: center;
}

.empty-state-icon {
  font-size: 64px;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.empty-state-text {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

/* ==================== Loading Spinner ==================== */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
}

.spinner-lg {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

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

.loading-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal-backdrop);
}

/* ==================== Avatar ==================== */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  overflow: hidden;
}

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

.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: var(--font-size-xs);
}

.avatar-lg {
  width: 48px;
  height: 48px;
  font-size: var(--font-size-base);
}

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

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