/**
 * UI Kit - Переиспользуемые компоненты
 * GSM TOOL Phase 1.5
 * Использовать под .modern-ui для namespace
 */

/* === Buttons === */
.modern-ui .btn-modern,
.modern-ui .btn-modern-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-5);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--modern-radius);
  border: none;
  cursor: pointer;
  transition: all var(--modern-transition);
}

.modern-ui .btn-modern-primary {
  background: var(--modern-primary);
  color: #fff;
}

.modern-ui .btn-modern-primary:hover:not([disabled]) {
  background: var(--modern-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--modern-shadow);
}

.modern-ui .btn-modern-primary:active:not([disabled]) {
  background: var(--modern-primary-active);
  transform: translateY(0);
}

.modern-ui .btn-modern-secondary {
  background: #fff;
  color: var(--modern-text);
  border: 1px solid var(--modern-border);
}

.modern-ui .btn-modern-secondary:hover:not([disabled]) {
  background: var(--modern-bg);
  border-color: var(--modern-primary);
  color: var(--modern-primary);
}

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

.modern-ui .btn-modern-ghost:hover:not([disabled]) {
  background: var(--modern-bg);
}

/* Button sizes */
.modern-ui .btn-modern-sm {
  padding: var(--space-1) var(--space-3);
  font-size: 0.8125rem;
}

.modern-ui .btn-modern-md {
  padding: var(--space-2) var(--space-5);
  font-size: 0.9375rem;
}

.modern-ui .btn-modern-lg {
  padding: var(--space-3) var(--space-6);
  font-size: 1rem;
}

/* Disabled state */
.modern-ui .btn-modern[disabled],
.modern-ui .btn-modern-primary[disabled],
.modern-ui .btn-modern-secondary[disabled],
.modern-ui .btn-modern-ghost[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Loading state */
.modern-ui .btn-modern.loading,
.modern-ui .btn-modern-primary.loading,
.modern-ui .btn-modern-secondary.loading {
  opacity: 0.7;
  pointer-events: none;
  position: relative;
}

.modern-ui .btn-modern.loading::after,
.modern-ui .btn-modern-primary.loading::after,
.modern-ui .btn-modern-secondary.loading::after {
  content: '';
  position: absolute;
  right: var(--space-3);
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: modern-spin 0.6s linear infinite;
}

.modern-ui .btn-modern-primary.loading::after {
  border-top-color: #fff;
}

.modern-ui .btn-modern-secondary.loading::after {
  border-top-color: var(--modern-primary);
}

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

/* Skeleton */
.modern-ui .skeleton {
  background: linear-gradient(90deg, var(--modern-bg) 25%, var(--modern-border) 50%, var(--modern-bg) 75%);
  background-size: 200% 100%;
  animation: modern-skeleton 1.5s ease-in-out infinite;
  border-radius: var(--modern-radius-sm);
}

@keyframes modern-skeleton {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.modern-ui .spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--modern-border);
  border-top-color: var(--modern-primary);
  border-radius: 50%;
  animation: modern-spin 0.6s linear infinite;
}

/* === Inputs === */
.modern-ui .input-modern {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: 0.9375rem;
  border: 1px solid var(--modern-border);
  border-radius: var(--modern-radius-sm);
  background: #fff;
  transition: border-color var(--modern-transition), box-shadow var(--modern-transition);
}

.modern-ui .input-modern:focus {
  outline: none;
  border-color: var(--modern-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.modern-ui .input-modern:focus-visible {
  outline: none;
}

.modern-ui .input-modern:disabled {
  background: var(--modern-bg);
  color: var(--modern-disabled);
}

/* Input error state */
.modern-ui .input-modern.input-modern-error,
.modern-ui .input-modern.is-invalid {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.modern-ui .input-modern.input-modern-error:focus,
.modern-ui .input-modern.is-invalid:focus {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

/* Input success state */
.modern-ui .input-modern.input-modern-success,
.modern-ui .input-modern.is-valid {
  border-color: var(--color-success);
}

.modern-ui .input-modern.input-modern-success:focus,
.modern-ui .input-modern.is-valid:focus {
  border-color: var(--color-success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

/* === Card === */
.modern-ui .card-modern {
  background: var(--modern-card-bg);
  border-radius: var(--modern-radius-lg);
  box-shadow: var(--modern-shadow);
  border: 1px solid var(--modern-border);
  overflow: hidden;
  transition: box-shadow var(--modern-transition);
}

.modern-ui .card-modern:hover {
  box-shadow: var(--modern-shadow-lg);
}

.modern-ui .card-modern-header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--modern-border);
  font-weight: 600;
  font-size: 1rem;
}

.modern-ui .card-modern-body {
  padding: var(--space-6);
}

/* === Alerts === */
.modern-ui .alert-modern {
  padding: var(--space-4);
  border-radius: var(--modern-radius);
  border: none;
  font-size: 0.9375rem;
}

.modern-ui .alert-modern-success {
  background: var(--color-success-bg);
  color: var(--color-success-text);
}

.modern-ui .alert-modern-danger,
.modern-ui .alert-modern-error {
  background: var(--color-danger-bg);
  color: var(--color-danger-text);
}

.modern-ui .alert-modern-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
}

.modern-ui .alert-modern-info {
  background: var(--color-info-bg);
  color: var(--color-info-text);
}

/* Alert with icon - use .alert-modern-icon before text */
.modern-ui .alert-modern {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.modern-ui .alert-modern-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.modern-ui .alert-modern-success .alert-modern-icon { color: var(--color-success); }
.modern-ui .alert-modern-danger .alert-modern-icon,
.modern-ui .alert-modern-error .alert-modern-icon { color: var(--color-danger); }
.modern-ui .alert-modern-warning .alert-modern-icon { color: var(--color-warning); }
.modern-ui .alert-modern-info .alert-modern-icon { color: var(--color-info); }

/* === Dropdown base === */
.modern-ui .dropdown-modern {
  position: relative;
}

.modern-ui .dropdown-modern .dropdown-menu,
.modern-ui .dropdown-modern .dropdown-modern-menu {
  border-radius: var(--modern-radius);
  box-shadow: var(--modern-shadow-lg);
  border: 1px solid var(--modern-border);
  padding: var(--space-2);
  opacity: 0;
  transform: translateY(-5px);
  transition: opacity var(--modern-transition), transform var(--modern-transition);
  pointer-events: none;
}

.modern-ui .dropdown-modern.show .dropdown-menu,
.modern-ui .dropdown-modern.open .dropdown-menu,
.modern-ui .dropdown-modern.show .dropdown-modern-menu,
.modern-ui .dropdown-modern.open .dropdown-modern-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.modern-ui .dropdown-modern .dropdown-item {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--modern-radius-sm);
  transition: background var(--modern-transition);
}

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

/* === Table === */
.modern-ui .table-modern-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.modern-ui .table-modern {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
}

.modern-ui .table-modern th,
.modern-ui .table-modern td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--modern-border);
}

.modern-ui .table-modern th {
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--modern-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.modern-ui .table-modern tbody tr {
  transition: background var(--modern-transition);
}

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

/* === Badge / Status === */
.modern-ui .badge-modern {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
}

.modern-ui .badge-modern-success {
  background: var(--color-success-bg);
  color: var(--color-success-text);
}

.modern-ui .badge-modern-pending,
.modern-ui .badge-modern-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
}

.modern-ui .badge-modern-danger,
.modern-ui .badge-modern-failed {
  background: var(--color-danger-bg);
  color: var(--color-danger-text);
}

.modern-ui .badge-modern-info {
  background: var(--color-info-bg);
  color: var(--color-info-text);
}

/* Badge outline variant */
.modern-ui .badge-modern-outline {
  background: transparent;
  border: 1px solid currentColor;
}

.modern-ui .badge-modern-outline.badge-modern-success {
  color: var(--color-success);
  border-color: var(--color-success);
}

.modern-ui .badge-modern-outline.badge-modern-warning,
.modern-ui .badge-modern-outline.badge-modern-pending {
  color: var(--color-warning);
  border-color: var(--color-warning);
}

.modern-ui .badge-modern-outline.badge-modern-danger,
.modern-ui .badge-modern-outline.badge-modern-failed {
  color: var(--color-danger);
  border-color: var(--color-danger);
}

.modern-ui .badge-modern-outline.badge-modern-info {
  color: var(--color-info);
  border-color: var(--color-info);
}

/* Select2 + Bootstrap: avoid runaway z-index; open dropdown above modal/backdrop (~1050) */
.select2-container--open {
  z-index: 1060;
}