/* Design Tokens (inherited from player.css) */
:root {
  --color-primary: #2563eb;
  --color-success: #16a34a;
  --color-warning: #ea580c;
  --color-error: #dc2626;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-400: #9ca3af;
  --color-gray-600: #4b5563;
  --color-gray-900: #111827;
  --color-white: #ffffff;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --spacing-8: 8px;
  --spacing-16: 16px;
  --spacing-24: 24px;
  --spacing-48: 48px;
  --transition-duration: 300ms;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  background: var(--color-white);
  color: var(--color-gray-900);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header[role="banner"] {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-16) var(--spacing-24);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
}

header h1 {
  font-size: 18px;
  font-weight: 600;
}

header nav {
  display: flex;
  gap: var(--spacing-8);
}

/* Buttons */
.btn {
  font-family: var(--font-family);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 20px;
  min-height: 44px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-duration) ease-in-out;
}

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

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

.btn-primary:hover {
  background: #1d4ed8;
}

.btn-secondary {
  background: var(--color-gray-100);
  color: var(--color-gray-900);
}

.btn-secondary:hover {
  background: var(--color-gray-200);
}

.btn-small {
  padding: 8px 16px;
  min-height: 36px;
  font-size: 13px;
}

/* Layout */
.editor-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--spacing-24);
  padding: var(--spacing-24);
  flex: 1;
  overflow: hidden;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-16);
}

.panel-header h2 {
  font-size: 16px;
  font-weight: 600;
}

/* Assets Panel */
.assets-panel {
  display: flex;
  flex-direction: column;
  background: var(--color-gray-50);
  padding: var(--spacing-16);
  border-radius: 8px;
  border: 1px solid var(--color-gray-200);
  overflow-y: auto;
}

.asset-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
  flex: 1;
}

.asset-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-16);
  padding: var(--spacing-16);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
}

.asset-thumbnail {
  width: 64px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
  font-size: 24px;
  overflow: hidden;
}

.asset-thumbnail-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.asset-info {
  flex: 1;
}

.asset-info h3 {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
}

.asset-info .asset-type {
  font-size: 12px;
  color: var(--color-gray-600);
}

.asset-actions {
  display: flex;
  gap: var(--spacing-8);
}

.asset-actions button {
  padding: 6px 12px;
  min-height: 32px;
  font-size: 12px;
}

/* Storage Meter */
.storage-meter {
  margin-top: var(--spacing-16);
  padding-top: var(--spacing-16);
  border-top: 1px solid var(--color-gray-200);
}

.storage-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  margin-bottom: var(--spacing-8);
}

.storage-bar {
  height: 8px;
  background: var(--color-gray-200);
  border-radius: 4px;
  overflow: hidden;
}

.storage-fill {
  height: 100%;
  background: var(--color-primary);
  transition: width var(--transition-duration) ease-in-out;
}

/* Schedule Panel */
.schedule-panel {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.schedule-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
}

.schedule-card {
  padding: var(--spacing-16);
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
}

.schedule-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-8);
}

.schedule-time {
  font-size: 16px;
  font-weight: 600;
}

.schedule-details {
  font-size: 14px;
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-48);
}

.empty-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-16);
}

.empty-state h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--spacing-8);
}

.empty-state p {
  font-size: 14px;
  color: var(--color-gray-600);
  max-width: 300px;
}

/* Settings Panel */
.settings-panel {
  padding: var(--spacing-16) var(--spacing-24);
  background: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-200);
}

.settings-panel summary {
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-16);
  margin-top: var(--spacing-16);
}

/* Action Bar */
.action-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-16) var(--spacing-24);
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-200);
}

.validation-status {
  font-size: 14px;
  font-weight: 500;
}

.validation-status.success {
  color: var(--color-success);
}

.validation-status.error {
  color: var(--color-error);
}

.button-group {
  display: flex;
  gap: var(--spacing-8);
}

/* Form Elements */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
}

.form-group input,
.form-group select {
  font-family: var(--font-family);
  font-size: 14px;
  padding: 10px;
  border: 1px solid var(--color-gray-200);
  border-radius: 6px;
  background: var(--color-white);
}

.form-group input:focus,
.form-group select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 0;
  border-color: transparent;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
}

.checkbox-group {
  flex-direction: row;
  align-items: center;
}

.checkbox-group input {
  width: auto;
  margin-right: var(--spacing-8);
}

.radio-group {
  display: flex;
  gap: var(--spacing-16);
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
  cursor: pointer;
  font-weight: normal;
}

.radio-group input[type="radio"] {
  width: auto;
  cursor: pointer;
}

.help-text {
  font-size: 12px;
  color: var(--color-gray-600);
  margin-top: 4px;
}

.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
  padding: var(--spacing-16);
  background: var(--color-gray-50);
  border-radius: 6px;
  max-height: 200px;
  overflow-y: auto;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--color-white);
  border-radius: 12px;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-16) var(--spacing-24);
  border-bottom: 1px solid var(--color-gray-200);
}

.modal-header h2 {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-gray-600);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.modal-close:hover {
  background: var(--color-gray-100);
}

.modal-body {
  padding: var(--spacing-24);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-8);
  padding: var(--spacing-16) var(--spacing-24);
  border-top: 1px solid var(--color-gray-200);
}

/* Mobile Responsive */
@media (max-width: 640px) {
  .editor-layout {
    grid-template-columns: 1fr;
    padding: var(--spacing-16);
  }

  header nav {
    flex-direction: column;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .action-bar {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-16);
  }

  .button-group {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}

/* Tablet Responsive */
@media (min-width: 640px) and (max-width: 1024px) {
  .editor-layout {
    grid-template-columns: 280px 1fr;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}