/* Component Styles */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  line-height: 1.2;
  transition: all var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn svg {
  width: 16px;
  height: 16px;
  stroke-width: 2;
  flex-shrink: 0;
}

.btn-primary {
  background-color: var(--primary-blue);
  color: var(--primary-contrast);
  box-shadow: var(--shadow-subtle);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: #fff;
  text-decoration: none;
}

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

.btn-secondary:hover {
  background-color: var(--bg-subtle);
  border-color: var(--border-strong);
  text-decoration: none;
}

.btn-subtle {
  background-color: transparent;
  color: var(--text-secondary);
}

.btn-subtle:hover {
  background-color: var(--bg-subtle);
  color: var(--text-main);
  text-decoration: none;
}

.btn-danger {
  background-color: var(--danger-soft);
  color: var(--danger-accent);
  border-color: transparent;
}

.btn-danger:hover {
  background-color: var(--danger-accent);
  color: #fff;
  text-decoration: none;
}

.btn-sm {
  padding: 0.35rem 0.625rem;
  font-size: var(--text-xs);
}

.btn-icon {
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

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

/* Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  background-color: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.badge-blue {
  background-color: var(--primary-soft);
  color: var(--primary-deep);
  border-color: rgba(49, 87, 213, 0.2);
}

.badge-teal {
  background-color: var(--teal-soft);
  color: var(--teal-contrast);
  border-color: rgba(22, 139, 131, 0.2);
}

.badge-warm {
  background-color: var(--warm-soft);
  color: var(--warm-contrast);
  border-color: rgba(213, 139, 66, 0.2);
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.6875rem;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  background: var(--bg-muted);
  color: var(--text-secondary);
}

/* Form Controls */
.form-group {
  margin-bottom: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-main);
}

.form-label .required {
  color: var(--danger-accent);
  margin-left: 2px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: var(--text-sm);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  color: var(--text-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--border-focus);
  outline: none;
  box-shadow: 0 0 0 3px rgba(49, 87, 213, 0.12);
}

.form-input.is-invalid, .form-select.is-invalid, .form-textarea.is-invalid {
  border-color: var(--danger-accent);
  background-color: #fff9f9;
}

.form-error {
  font-size: var(--text-xs);
  color: var(--danger-accent);
  display: none;
}

.form-error.visible {
  display: block;
}

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

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
}

/* Modal Dialog */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(23, 32, 51, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: var(--space-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-window {
  background-color: var(--bg-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  transform: translateY(8px);
  transition: transform var(--transition-normal);
}

.modal-backdrop.active .modal-window {
  transform: translateY(0);
}

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

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

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

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

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

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  z-index: 200;
  pointer-events: none;
}

.toast {
  background-color: var(--text-main);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-dropdown);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  pointer-events: auto;
  min-width: 260px;
  max-width: 400px;
  animation: slideUp 200ms ease-out;
}

.toast-success {
  background-color: #0E5E57;
  border-left: 4px solid var(--teal-soft);
}

.toast-error {
  background-color: #7E1A17;
  border-left: 4px solid #FF8E8B;
}

.toast-info {
  background-color: var(--primary-deep);
  border-left: 4px solid var(--primary-soft);
}

@keyframes slideUp {
  from { transform: translateY(12px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  background-color: var(--bg-surface);
  border: 1px dashed var(--border-main);
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
}

.empty-state-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-md);
  color: var(--text-tertiary);
  stroke-width: 1.5;
}

.empty-state-title {
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  color: var(--text-main);
  margin-bottom: var(--space-xs);
}

.empty-state-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  max-width: 420px;
  margin: 0 auto var(--space-md);
}

/* Card Container */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

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

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

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