.btn {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 6px 11px;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: background 120ms, border-color 120ms, box-shadow 120ms, color 120ms;
}
.btn svg { width: 14px; height: 14px; flex-shrink: 0; }
.btn:hover:not(:disabled) {
  background: var(--surface-muted);
  border-color: #cbd5e1;
}
.btn:focus-visible {
  outline: 2px solid var(--accent-ring);
  outline-offset: 1px;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 1px 2px rgba(37,99,235,0.2);
}
.btn.primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}
.btn.primary:disabled {
  opacity: 0.55;
  box-shadow: none;
}
.btn.loading svg { animation: spin 700ms linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  color: var(--text-muted);
  background: var(--surface-soft);
}
.group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--surface-muted);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}
.group > .lbl {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.tool-section { display: block; }
.tool-section.hidden { display: none; }
.section-head {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.selection-help {
  font-size: 12px;
  color: var(--text-subtle);
  line-height: 1.5;
  margin: 0 0 12px;
  padding: 10px 12px;
  background: var(--info-soft);
  border-left: 3px solid var(--info);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.image-help {
  font-size: 12px;
  color: var(--text-subtle);
  margin: 10px 0 0;
}
.selection-actions, .image-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 10px;
}
#text-tools .selection-actions + .selection-actions {
  margin-top: 6px;
  margin-bottom: 2px;
}
.image-actions select {
  min-width: 96px;
  padding: 6px 8px;
}
.selection-status, .image-status, .edit-prompt-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-subtle);
}
.selection-status:not(:empty),
.image-status:not(:empty),
.edit-prompt-status:not(:empty) {
  background: var(--surface-soft);
  padding: 2px 8px;
  border-radius: 999px;
}
.selection-status.error {
  color: #bc2331;
}
.image-status.error {
  color: #bc2331;
}
.selected-text, .edit-prompt-input {
  width: 100%;
  min-height: 90px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font-size: 13px;
  background: var(--surface-muted);
  color: var(--text);
  resize: vertical;
  font-family: inherit;
  line-height: 1.5;
}
.selected-text:focus, .edit-prompt-input:focus {
  outline: 2px solid var(--accent-ring);
  border-color: var(--accent);
  background: #fff;
}
button > svg:first-child { width: 14px; height: 14px; margin-right: 6px; vertical-align: -2px; }
.generated-preview-wrap {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--surface-muted) 0%, #fff 100%);
}
.generated-preview-wrap.hidden { display: none; }
.generated-preview-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.generated-preview-title svg { width: 11px; height: 11px; }
.generated-preview-image {
  width: 100%;
  max-height: 360px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid var(--border-soft);
}
.generated-preview-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
}
#video-player-wrap {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #0f172a;
}
#video-player-wrap.hidden { display: none; }
.preview-generated-video {
  width: 100%;
  border-radius: var(--radius-md);
  display: block;
}
.preview-generated-video.hidden { display: none; }
#video-preview-loading {
  color: #cbd5e1;
  font-size: 12px;
  text-align: center;
  padding: 20px 0;
}
#video-preview-loading.hidden { display: none; }
.edit-prompt-wrap {
  margin-top: 12px;
  padding: 12px;
  background: var(--surface-muted);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}
.edit-prompt-wrap.hidden { display: none; }
.edit-prompt-wrap > label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 6px;
}
.edit-prompt-status.error {
  color: #bc2331;
}
.storyboard-form {
  display: grid;
  gap: 8px;
}
.storyboard-form label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.storyboard-form input {
  padding: 8px 10px;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-muted);
  color: var(--text);
}
.storyboard-form input:focus {
  outline: 2px solid var(--accent-ring);
  border-color: var(--accent);
  background: #fff;
}
.storyboard-form textarea {
  min-height: 72px;
  resize: vertical;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.5;
  font-family: "Pretendard", "Noto Sans KR", sans-serif;
  background: #fff;
  width: 100%;
}
.testmode {
  position: relative;
  display: inline-flex;
}
.testmode-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 6px 10px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  color: #475569;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  height: 32px;
  white-space: nowrap;
}
.testmode-trigger:hover { background: #f8fafc; }
.testmode-trigger:focus-visible {
  outline: 2px solid #94a3b8;
  outline-offset: 1px;
}
.testmode-trigger svg { width: 12px; height: 12px; color: #94a3b8; }
.testmode-trigger .caret {
  font-size: 10px;
  margin-left: 2px;
  display: inline-block;
  transition: transform 0.15s ease;
}
.testmode-trigger[aria-expanded="true"] .caret { transform: rotate(180deg); }

.testmode-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 4px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 100%;
}
.testmode-menu[hidden] { display: none; }
.testmode-menu button {
  border: 0;
  background: transparent;
  padding: 6px 14px 6px 28px;
  font-size: 12px;
  font-weight: 600;
  color: #475569;
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
  position: relative;
  min-width: 100px;
}
.testmode-menu button:hover:not(.active) { background: #f8fafc; }
.testmode-menu button:focus-visible {
  outline: 2px solid #94a3b8;
  outline-offset: 1px;
}
.testmode-menu button.active {
  background: #0f172a;
  color: #fff;
}
.testmode-menu button[data-mode="off"].active {
  background: #64748b;
  color: #fff;
}
.testmode-menu button.active::before {
  content: "✓";
  position: absolute;
  left: 10px;
  font-size: 11px;
}

/* 사용 모델 토글 — 선택 기능 패널 하단 */
.models-toggle {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}
.models-toggle-btn {
  background: none;
  border: none;
  color: var(--text-subtle);
  font-size: 12px;
  padding: 4px 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.models-toggle-btn:hover { color: var(--accent); }
.models-toggle-btn:focus-visible {
  outline: 2px solid var(--accent-ring);
  outline-offset: 2px;
  border-radius: 3px;
}
.models-toggle-btn .caret {
  display: inline-block;
  transition: transform 120ms ease;
}
.models-toggle-btn[aria-expanded="true"] .caret {
  transform: rotate(90deg);
}
.models-list {
  margin-top: 8px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 12px;
  color: var(--text-muted);
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 12px;
}
.models-list[hidden] { display: none; }
.models-list .label { color: var(--text-subtle); }
.models-list code {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 6px;
  font-size: 11px;
  color: #4338ca;
  font-family: "SF Mono", Monaco, Consolas, monospace;
  justify-self: start;
}