/* === Shared Components === */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.25);
}

.btn-primary:hover {
  background: var(--gradient-primary-hover);
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
}

.btn-secondary {
  background: var(--color-bg-white);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

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

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

.btn-ghost:hover {
  background: var(--color-bg-page);
  color: var(--color-text-primary);
}

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

.btn-danger:hover {
  background: #dc2626;
}

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  white-space: nowrap;
}

.badge-primary {
  background: var(--color-primary-50);
  color: var(--color-primary-600);
}

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

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

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

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

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.2s ease;
}

.modal-dialog {
  background: var(--color-bg-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  width: 90%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.25s ease;
}

.modal-header {
  padding: var(--space-6) var(--space-6) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
}

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

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

.modal-body {
  padding: 0 var(--space-6) var(--space-6);
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  border-top: 1px solid var(--color-border-light);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Toast */
.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--color-bg-white);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  min-width: 300px;
  max-width: 420px;
  animation: slideInRight 0.3s ease;
}

.toast-success { border-left: 3px solid var(--color-success); }
.toast-error { border-left: 3px solid var(--color-error); }
.toast-warning { border-left: 3px solid var(--color-warning); }
.toast-info { border-left: 3px solid var(--color-info); }

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

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.9);
  z-index: 250;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.loading-spinner-lg {
  width: 48px;
  height: 48px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-text {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

/* Project View (iframe page) */
.project-view-page {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.project-view-header {
  height: var(--header-height);
  background: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-8);
  gap: var(--space-4);
  flex-shrink: 0;
}

.project-view-back {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.project-view-back:hover {
  background: var(--color-bg-page);
  color: var(--color-text-primary);
}

.project-view-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

.project-view-frame {
  flex: 1;
  border: none;
  width: 100%;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-8);
  color: var(--color-text-secondary);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  opacity: 0.3;
}

.empty-state h4 {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.empty-state p {
  font-size: var(--text-sm);
}