/* Shared workbench: both hosted shells use the same compact modal. */
.model-workbench {
  box-sizing: border-box; width: min(640px, calc(100vw - 32px));
  max-width: none; max-height: min(840px, calc(100dvh - 48px));
  margin: auto; padding: 0; overflow: hidden; color-scheme: dark;
  background: #18181f; color: #eeeef3; border: 1px solid #35353f;
  border-radius: 18px; box-shadow: 0 28px 100px #0008;
  font: 14px/1.5 'Inter', 'Segoe UI', 'Microsoft YaHei', system-ui, sans-serif;
}
.model-workbench::backdrop { background: #07070bb8; backdrop-filter: blur(6px); }
.model-workbench.mw-has-model { width: min(760px, calc(100vw - 32px)); }
.model-workbench *, .model-workbench *::before, .model-workbench *::after { box-sizing: border-box; }
.model-workbench [hidden] { display: none !important; }
.model-workbench form { display: flex; flex-direction: column; max-height: inherit; margin: 0; }
.model-workbench .mw-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 24px 24px 20px; border-bottom: 1px solid #2c2c36; }
.model-workbench .mw-heading { min-width: 0; }
.model-workbench h2 { margin: 0; color: #f4f4f7; font-size: 20px; font-weight: 650; line-height: 1.4; }
.model-workbench .mw-heading p { margin: 7px 0 0; color: #a2a2b2; font-size: 13px; line-height: 1.6; }
.model-workbench .mw-header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.model-workbench button { display: inline-flex; align-items: center; justify-content: center; width: auto; min-height: 40px; margin: 0; padding: 0 16px; border: 1px solid transparent; border-radius: 8px; font-family: inherit; font-size: 13px; font-weight: 500; line-height: 1.4; cursor: pointer; transition: background .15s, border-color .15s; }
.model-workbench .mw-header, .model-workbench .mw-footer { flex-shrink: 0; }
.model-workbench button:focus-visible, .model-workbench select:focus-visible { outline: 2px solid #bca4ff; outline-offset: 3px; }
.model-workbench .mw-history { min-height: 32px; padding: 0; background: transparent; color: #b9b1d2; white-space: nowrap; }
.model-workbench .mw-history:hover { color: #ede5ff; }
.model-workbench .mw-dismiss { width: 32px; min-height: 32px; padding: 0; background: transparent; color: #a2a2b2; }
.model-workbench .mw-dismiss:hover { background: #2b2b35; color: #fff; }
.model-workbench .mw-body { min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 24px; scrollbar-width: thin; }
.model-workbench .mw-selection { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: 16px; }
.model-workbench .mw-selection-fixed { grid-template-columns: minmax(0, 1fr); }
.model-workbench .mw-field { display: flex; flex-direction: column; gap: 8px; min-width: 0; margin: 0; color: #c8c8d3; font-size: 13px; font-weight: 500; }
.model-workbench .mw-body > .mw-field { margin-top: 20px; }
.model-workbench :is(select, input, textarea) { width: 100%; min-width: 0; min-height: 44px; margin: 0; padding: 10px 12px; border: 1px solid #393944; border-radius: 9px; background: #111116; color: #eeeef3; font-family: inherit; font-size: 14px; font-weight: 400; line-height: 1.5; }
.model-workbench select { text-overflow: ellipsis; cursor: pointer; }
.model-workbench :is(select, input, textarea):hover { border-color: #5d526f; }
.model-workbench select:disabled { color: #9292a2; cursor: not-allowed; }
.model-workbench textarea { resize: vertical; min-height: 86px; }
.model-workbench input[type=file] { border-style: dashed; padding: 12px; color: #a2a2b2; font-size: 13px; }
.model-workbench input::file-selector-button { margin-right: 12px; padding: 7px 10px; border: 0; border-radius: 5px; background: #2e293d; color: #ddd1fa; font: inherit; cursor: pointer; }
.model-workbench .mw-fields:not(:empty) { display: flex; flex-direction: column; gap: 20px; margin-top: 20px; padding-top: 20px; border-top: 1px solid #2c2c36; }
.model-workbench .mw-version-note { margin: 10px 0 0; color: #9999ac; font-size: 12px; }
.model-workbench .mw-section h3 { margin: 0 0 12px; color: #dedee8; font-size: 13px; font-weight: 600; }
.model-workbench .mw-content-grid, .model-workbench .mw-advanced-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.model-workbench .mw-parameter-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.model-workbench .mw-parameter-grid-four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.model-workbench .mw-content-grid textarea { min-height: 92px; }
.model-workbench .mw-composer { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); align-items: stretch; }
.model-workbench .mw-composer > .mw-field { grid-column: auto; }
.model-workbench .mw-composer > .mw-upload-field { order: 1; }
.model-workbench .mw-composer textarea, .model-workbench .mw-composer .mw-upload { min-height: 124px; flex: 1; }
.model-workbench .mw-advanced { border-top: 1px solid #2c2c36; padding-top: 14px; }
.model-workbench summary { width: fit-content; color: #bcb3d4; cursor: pointer; font-size: 13px; line-height: 1.7; }
.model-workbench summary:focus-visible { outline: 2px solid #bca4ff; outline-offset: 4px; border-radius: 3px; }
.model-workbench .mw-advanced-grid { padding-top: 16px; }
.model-workbench .mw-billing { padding: 12px 14px; border-radius: 8px; background: #20202a; }
.model-workbench .mw-billing summary { color: #aeadbe; font-size: 12px; }
.model-workbench .mw-billing p { margin: 8px 0 0; color: #aeadbe; font-size: 12px; line-height: 1.7; }
.model-workbench .mw-upload { position: relative; display: flex; align-items: center; gap: 12px; min-height: 80px; padding: 14px; border: 1px dashed #51465f; border-radius: 9px; background: #15131c; cursor: pointer; }
.model-workbench .mw-upload:hover { border-color: #ac8ded; background: #1d1828; }
.model-workbench .mw-upload:focus-within { outline: 2px solid #bca4ff; outline-offset: 3px; }
.model-workbench .mw-upload input[type=file] { position: absolute; inset: 0; width: 100%; height: 100%; min-height: 0; padding: 0; opacity: 0; cursor: pointer; }
.model-workbench .mw-upload-copy { display: grid; gap: 5px; min-width: 0; }
.model-workbench .mw-upload-copy strong { color: #d4c3f3; font-size: 13px; font-weight: 500; overflow-wrap: anywhere; }
.model-workbench .mw-upload-help { color: #9996a9; font-size: 12px; font-weight: 400; }
.model-workbench .mw-upload-preview { width: 56px; height: 56px; object-fit: cover; flex-shrink: 0; border-radius: 6px; }
.model-workbench .mw-field-wide, .model-workbench .mw-fields > p, .model-workbench .mw-reference-group { grid-column: 1 / -1; }
.model-workbench .mw-fields > p { margin: 0; color: #a2a2b2; font-size: 12px; line-height: 1.7; }
.model-workbench .mw-checkbox { flex-direction: row-reverse; align-items: center; justify-content: flex-end; }
.model-workbench input[type=checkbox] { width: 18px; min-height: 18px; height: 18px; accent-color: #8b5cf6; }
.model-workbench .mw-reference-group { min-width: 0; margin: 0; padding: 16px; border: 1px solid #393944; border-radius: 9px; }
.model-workbench .mw-reference-group legend { float: none; width: auto; padding: 0 6px; font-size: 13px; }
.model-workbench .mw-reference-group .mw-field + .mw-field { margin-top: 12px; }
.model-workbench .mw-message:empty, .model-workbench .mw-result:empty { display: none; }
.model-workbench .mw-message { margin: 20px 0 0; color: #d9c8ff; font-size: 13px; line-height: 1.7; overflow-wrap: anywhere; }
.model-workbench .mw-result { margin-top: 20px; }
.model-workbench .mw-result pre { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; font: inherit; }
.model-workbench .mw-result :is(img, video, audio) { display: block; max-width: 100%; max-height: 360px; border-radius: 8px; }
.model-workbench .mw-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 24px; border-top: 1px solid #2c2c36; background: #15151c; }
.model-workbench .mw-hint { margin: 0; color: #a2a2b2; font-size: 12px; line-height: 1.6; }
.model-workbench .mw-actions { display: flex; gap: 10px; flex-shrink: 0; }
.model-workbench .mw-secondary { background: transparent; border-color: #3a3a46; color: #c6c6d0; }
.model-workbench .mw-secondary:hover { background: #2b2b35; }
.model-workbench .mw-primary { padding-inline: 20px; background: #7c3aed; color: #fff; }
.model-workbench .mw-primary:hover { background: #8b4df5; }
.model-workbench .mw-primary:disabled { background: #30263f; color: #ac9cbf; opacity: 1; cursor: not-allowed; }
@media (max-width: 640px) {
  .model-workbench, .model-workbench.mw-has-model { width: calc(100vw - 24px); max-height: calc(100dvh - 24px); border-radius: 14px; }
  .model-workbench .mw-header { padding: 20px 18px 16px; gap: 10px; }
  .model-workbench .mw-header-actions { gap: 10px; }
  .model-workbench .mw-header { flex-wrap: wrap; }
  .model-workbench .mw-header-actions { margin-left: auto; }
  .model-workbench :is(select, input, textarea) { font-size: 16px; }
  .model-workbench .mw-dismiss { width: 44px; min-height: 44px; }
  .model-workbench .mw-heading p { max-width: 22em; }
  .model-workbench .mw-body { padding: 20px 18px; }
  .model-workbench .mw-selection, .model-workbench .mw-fields:not(:empty) { grid-template-columns: minmax(0, 1fr); }
  .model-workbench .mw-content-grid, .model-workbench .mw-advanced-grid, .model-workbench .mw-parameter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .model-workbench .mw-composer > .mw-field { grid-column: 1 / -1; }
  .model-workbench .mw-composer textarea { min-height: 92px; }
  .model-workbench .mw-composer .mw-upload { min-height: 80px; }
  .model-workbench .mw-footer { align-items: stretch; flex-direction: column; gap: 12px; padding: 16px 18px; }
  .model-workbench .mw-actions { justify-content: flex-end; }
  .model-workbench .mw-primary { flex: 1; }
}
@media (prefers-reduced-motion: reduce) { .model-workbench button { transition: none; } }