/* ========================================
   Model Selector Styles
   ======================================== */

.model-selector-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-4);
  align-items: end;
  max-width: 800px;
  margin: var(--space-6) auto;
  padding: var(--space-4);
}

.model-selector-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.model-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-1);
}

.model-select {
  background: var(--glass-input);
  border: var(--border-glass-strong);
  border-radius: var(--radius-md);
  color: white;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-family-base);
  cursor: pointer;
  transition: all var(--transition-normal);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.model-select:hover {
  background: rgba(0, 0, 0, 0.85);
  border-color: var(--color-cyan);
}

.model-select:focus {
  outline: none;
  border-color: var(--color-cyan);
  box-shadow: var(--focus-ring);
}

.model-select option {
  background: #1a1a1a;
  color: white;
  padding: var(--space-2);
}

.model-selector-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: center;
  justify-content: flex-end;
  padding-bottom: var(--space-1);
}

.model-selector-actions .icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.model-selector-actions .secondary-btn {
  background: var(--glass-btn);
  border: var(--border-glass);
  border-radius: var(--radius-sm);
  color: white;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  backdrop-filter: blur(8px);
  white-space: nowrap;
}

.model-selector-actions .secondary-btn:hover {
  background: var(--glass-hover);
  border-color: var(--color-cyan);
  transform: translateY(-1px);
}

.model-selector-hint {
  text-align: center;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  margin-top: var(--space-4);
}

/* Responsive model selector */
@media (max-width: 768px) {
  .model-selector-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: 16px;
    padding: 16px;
  }

  .model-selector-actions {
    flex-direction: row;
    justify-content: center;
    gap: 12px;
  }

  .model-select {
    min-height: 48px;
    font-size: 16px;
  }

  .secondary-btn {
    min-height: 44px;
    padding: 10px 16px;
  }
}

/* Direct Chat Model Selector */
.direct-model-selector {
  max-width: 400px;
  margin: var(--space-6) auto;
  padding: var(--space-4);
}

.direct-model-selector .model-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-2);
  text-align: center;
}

.direct-model-selector .model-select {
  width: 100%;
}

/* ========================================
   Skeleton Loading Styles
   ======================================== */

.skeleton {
  position: relative;
  overflow: hidden;
}

.skeleton-shimmer {
  background: linear-gradient(90deg,
      rgba(255, 255, 255, 0.05) 25%,
      rgba(255, 255, 255, 0.1) 50%,
      rgba(255, 255, 255, 0.05) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

/* ========================================
   Equal Height Response Cards
   ======================================== */

.chat-area {
  height: calc(100vh - var(--header-height) - 180px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.chat-turns {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding: var(--space-4);
}

.responses-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  align-items: stretch;
  min-height: 300px;
  max-height: min(520px, 55vh);
}

.response-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

.response-header {
  flex-shrink: 0;
  padding: var(--space-3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.response-body {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  padding: var(--space-4);
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.6;
  font-size: var(--text-base);
}

@media (max-width: 768px) {
  .responses-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    max-height: none;
    gap: 16px;
  }

  .response-card {
    min-height: 200px;
    max-height: 400px;
  }

  .chat-area {
    height: auto;
    min-height: calc(100vh - var(--header-height) - 220px);
  }
}

/* ========================================
   Fullscreen Modal Styles
   ======================================== */

.code-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.code-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
}

.code-modal-content {
  position: relative;
  width: 90%;
  max-width: 900px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  background: rgba(20, 20, 20, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg);
}

.code-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

.code-modal-header h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: white;
  margin: 0;
}

.code-modal-actions {
  display: flex;
  gap: var(--space-2);
}

.code-modal-body {
  flex: 1;
  overflow: auto;
  padding: var(--space-4);
}

.code-modal-body pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.5;
  color: #e5e7eb;
}

/* Vote button styles for floating UI */
.vote-btn-light {
  background: var(--glass-btn);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  color: white;
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  backdrop-filter: blur(8px);
  white-space: nowrap;
}

.vote-btn-light:hover:not(:disabled) {
  background: var(--glass-hover);
  border-color: var(--color-cyan);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.vote-btn-light:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}