.storyboard-ai-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 4000;
}

.storyboard-ai-modal[data-open="true"] {
  display: flex;
}

.storyboard-ai-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(6px);
}

.storyboard-ai-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(920px, 100%);
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px 24px 24px;
  border-radius: 18px;
  background: var(--panel);
  border: 1px solid var(--ring);
  box-shadow: 0 24px 64px rgba(8, 15, 28, 0.45);
  overflow: hidden;
}

.storyboard-ai-modal__header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.storyboard-ai-modal__title {
  font-size: 20px;
  font-weight: 600;
  margin: 0;
  flex: 1;
}

.storyboard-ai-modal__close {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  padding: 4px;
  border-radius: 999px;
}

.storyboard-ai-modal__close:hover,
.storyboard-ai-modal__close:focus-visible {
  color: var(--ink);
  background: rgba(79, 123, 255, 0.12);
  outline: none;
}

.storyboard-ai-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 280px);
  gap: 18px;
  overflow: auto;
  padding-right: 4px;
}

@media (max-width: 920px) {
  .storyboard-ai-form {
    grid-template-columns: minmax(0, 1fr);
  }
}

.storyboard-ai-form__group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.storyboard-ai-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.storyboard-ai-field label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .3px;
  text-transform: uppercase;
  color: var(--muted);
}

.storyboard-ai-field textarea,
.storyboard-ai-field input,
.storyboard-ai-field select {
  border-radius: 12px;
  border: 1px solid var(--ring);
  background: var(--chip);
  color: var(--ink);
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
}

.storyboard-ai-field textarea:focus-visible,
.storyboard-ai-field input:focus-visible,
.storyboard-ai-field select:focus-visible {
  outline: 2px solid var(--acc);
  outline-offset: 2px;
}

.storyboard-ai-form__actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 12px;
}

.storyboard-ai-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 10px;
  border: 1px solid var(--ring);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  background: var(--chip);
  color: var(--ink);
  transition: background .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.storyboard-ai-button--primary {
  background: var(--acc);
  border-color: var(--acc);
  color: var(--active-tab-text);
}

.storyboard-ai-button:disabled {
  opacity: 0.6;
  cursor: progress;
}

.storyboard-ai-history {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.storyboard-ai-history__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
}

.storyboard-ai-history__item {
  position: relative;
  border: 1px solid var(--ring);
  border-radius: 12px;
  overflow: hidden;
  background: var(--chip);
}

.storyboard-ai-history__item img {
  display: block;
  width: 100%;
  height: 120px;
  object-fit: cover;
}

.storyboard-ai-history__item button {
  position: absolute;
  inset-inline: 8px;
  bottom: 8px;
  border: none;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(15, 23, 42, 0.72);
  color: white;
  cursor: pointer;
}

.storyboard-ai-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
}

.storyboard-ai-status[data-state="loading"]::before {
  content: '';
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(79, 123, 255, 0.35);
  border-top-color: var(--acc);
  animation: storyboardAiSpin 1s linear infinite;
}

@keyframes storyboardAiSpin {
  to {
    transform: rotate(360deg);
  }
}

.scene-card-thumbnail {
  width: 100%;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(148, 163, 184, 0.14);
}

.scene-card-thumbnail img {
  display: block;
  width: 100%;
  height: 156px;
  object-fit: cover;
}

.scene-card-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}

.scene-card-generate {
  font-size: 12px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--ring);
  background: linear-gradient(135deg, rgba(79, 123, 255, 0.18), rgba(79, 123, 255, 0.06));
  color: var(--ink);
  cursor: pointer;
  font-weight: 600;
}

.scene-card-generate:hover,
.scene-card-generate:focus-visible {
  border-color: var(--acc);
  outline: none;
}

.storyboard-ai-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.storyboard-ai-option {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.storyboard-ai-upload {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.storyboard-ai-upload input[type="file"] {
  border: 1px dashed var(--ring);
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
  background: var(--chip);
}

.storyboard-ai-error {
  color: #ef4444;
  font-size: 13px;
  font-weight: 500;
}