/* Interactive Unity documentation preview - shared shell and controls.
   Colors are translated from:
   - Assets/DialogGraphSystem/Scripts/Editor/USS/BekaForgePalette.uss
   - Assets/Beka Forge/AI Providers/Editor/AiProvidersPalette.Generated.uss
   No Unity-only properties are used; every replacement is noted in docs/interactive-unity-preview/IMPLEMENTATION_PLAN.md. */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body.up-body {
  background: var(--up-page-bg, #0b0c10);
  color: var(--bf-text-primary, #e8ecf4);
  font-family: "Segoe UI", Inter, system-ui, -apple-system, sans-serif;
  font-size: 12px;
  line-height: 1.4;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

/* ------------------------------------------------------------------ */
/* Website-owned preview toolbar (outside the reproduced Unity chrome) */
/* ------------------------------------------------------------------ */

.up-toolbar {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: #101218;
  border-bottom: 1px solid #262a36;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.4);
}

.up-toolbar__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: #e8ecf4;
}

.up-toolbar__brand span {
  color: #9aa3b8;
  font-weight: 500;
}

.up-toolbar__spacer {
  flex: 1 1 auto;
}

.up-toolbar__group {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.up-toolbar label {
  font-size: 10px;
  color: #9aa3b8;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.up-select {
  min-height: 26px;
  min-width: 0;
  max-width: 100%;
  padding: 0 8px;
  background: #1a1d28;
  color: #e8ecf4;
  border: 1px solid #2a2f45;
  border-radius: 4px;
}

.up-button {
  min-height: 26px;
  padding: 0 12px;
  background: #1a1d28;
  color: #e8ecf4;
  border: 1px solid #2a2f45;
  border-radius: 4px;
  cursor: pointer;
}

.up-button:hover {
  background: #222636;
  border-color: #3d4460;
}

.up-button--primary {
  background: #5865f2;
  border-color: #a5aeff;
  color: #fff;
  font-weight: 600;
}

.up-button--primary:hover {
  background: #6b78ff;
}

.up-note {
  font-size: 10px;
  color: #9aa3b8;
  max-width: 460px;
}

.up-stage {
  padding: 18px;
  display: flex;
  justify-content: center;
}

.up-stage--embed {
  padding: 0;
}

.up-embed-shell {
  width: 100%;
  min-height: 100vh;
}

.up-embed-shell .up-window {
  border-radius: 0;
  border-left: 0;
  border-right: 0;
}

/* ------------------------------------------------------------------ */
/* Reproduced window frame                                            */
/* ------------------------------------------------------------------ */

.up-window {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(1560px, 100%);
  min-height: 720px;
  background: var(--bf-base, #13151e);
  color: var(--bf-text-primary, #e8ecf4);
  border: 1px solid var(--bf-border, #2a2f45);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.up-window--compact {
  min-height: 520px;
  width: min(880px, 100%);
}

.up-window--popup {
  min-height: 0;
  width: min(560px, 100%);
}

.up-window__titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 28px;
  padding: 0 10px;
  background: var(--bf-deep, #0d0f16);
  border-bottom: 1px solid var(--bf-divider, #1e2235);
  font-size: 11px;
  font-weight: 600;
  color: var(--bf-text-secondary, #c8d0e0);
}

.up-window__titlebar-hint {
  margin-left: auto;
  font-size: 10px;
  font-weight: 400;
  color: var(--bf-text-subtle, #5c6480);
}

.up-window__body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

.up-scroll {
  overflow: auto;
  scrollbar-color: #3d4460 transparent;
}

/* ------------------------------------------------------------------ */
/* Palette scopes                                                     */
/* ------------------------------------------------------------------ */

.bf-theme {
  --bf-canvas: #090b10;
  --bf-deep: #0d0f16;
  --bf-base: #13151e;
  --bf-raised: #1a1d28;
  --bf-elevated: #222636;
  --bf-divider: #1e2235;
  --bf-border: #2a2f45;
  --bf-border-strong: #3d4460;
  --bf-control-border: #828d9f;
  --bf-text-primary: #e8ecf4;
  --bf-text-secondary: #c8d0e0;
  --bf-text-label: #9ba3b8;
  --bf-text-subtle: #5c6480;
  --bf-text-on-primary: #ffffff;
  --bf-primary: #5865f2;
  --bf-primary-hover: #6b78ff;
  --bf-primary-pressed: #3d4db8;
  --bf-primary-border: #a5aeff;
  --bf-focus: #a5aeff;
  --bf-selection: rgba(88, 101, 242, 0.12);
  --bf-selection-edge: #5865f2;
  --bf-hover-wash: rgba(88, 101, 242, 0.07);
  --bf-success: #55c788;
  --bf-warning: #f2c05c;
  --bf-error: #e46363;
  --bf-danger-text: #ef8a8a;
  --bf-info: #8fa3c8;
  --bf-ai: #a78bfa;
  --bf-ai-text: #c4b5fd;
  --bf-node-start: #34d399;
  --bf-node-end: #f87171;
  --bf-node-dialogue: #fb923c;
  --bf-node-choice: #60a5fa;
  --bf-node-action: #c084fc;
  --bf-node-condition: #2dd4bf;
  --bf-node-outcome: #22d3ee;
  --bf-node-camera: #f59e0b;
  --bf-node-switch: #a3e635;
  --bf-node-random: #e879f9;
  --bf-node-wait: #8fa3c8;
  --bf-node-start-tint: rgba(52, 211, 153, 0.12);
  --bf-node-end-tint: rgba(248, 113, 113, 0.12);
  --bf-node-dialogue-tint: rgba(251, 146, 60, 0.12);
  --bf-node-choice-tint: rgba(96, 165, 250, 0.12);
  --bf-node-action-tint: rgba(192, 132, 252, 0.12);
  --bf-node-condition-tint: rgba(45, 212, 191, 0.12);
  --bf-node-outcome-tint: rgba(34, 211, 238, 0.12);
  --bf-node-camera-tint: rgba(245, 158, 11, 0.12);
  --bf-node-switch-tint: rgba(163, 230, 53, 0.12);
  --bf-node-random-tint: rgba(232, 121, 249, 0.12);
  --bf-node-wait-tint: rgba(143, 163, 200, 0.12);
  --bf-port-border: rgba(170, 182, 205, 0.55);
  --bf-port-fill: rgba(170, 182, 205, 0.75);
  --bf-port-hover-border: rgba(165, 174, 255, 0.9);
  --bf-port-hover-fill: #a5aeff;
}

.bf-theme--graph,
.bf-theme--warm {
  --bf-canvas: #1c1d21;
  --bf-deep: #23252a;
  --bf-base: #25272d;
  --bf-raised: #30333a;
  --bf-elevated: #353941;
  --bf-divider: #2a2e36;
  --bf-border: #4a505b;
  --bf-border-strong: #5b626f;
  --bf-text-secondary: #d2d8e4;
  --bf-text-label: #b8c0d0;
}

/* ------------------------------------------------------------------ */
/* Shared Unity-like controls                                         */
/* ------------------------------------------------------------------ */

.bf-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bf-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bf-field {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 24px;
}

.bf-field__label {
  min-width: 180px;
  width: 180px;
  font-size: 11px;
  color: var(--bf-text-label, #9ba3b8);
  flex-shrink: 0;
}

.bf-field__control {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 auto;
  min-width: 0;
}

.bf-field--stacked {
  flex-direction: column;
  align-items: stretch;
}

.bf-field--stacked .bf-field__label {
  width: auto;
  min-width: 0;
}

.bf-input,
.bf-select,
.bf-textarea {
  min-height: 24px;
  padding: 3px 8px;
  background: var(--bf-deep, #0d0f16);
  color: var(--bf-text-primary, #e8ecf4);
  border: 1px solid var(--bf-control-border, #828d9f);
  border-radius: 4px;
  width: 100%;
  min-width: 0;
}

.bf-select {
  cursor: pointer;
}

.bf-textarea {
  resize: vertical;
  min-height: 72px;
  white-space: pre-wrap;
}

.bf-input:focus,
.bf-select:focus,
.bf-textarea:focus {
  outline: none;
  border-color: var(--bf-focus, #a5aeff);
  box-shadow: 0 0 0 1px var(--bf-focus, #a5aeff);
}

.bf-input:disabled,
.bf-select:disabled,
.bf-textarea:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.bf-input--number {
  width: 72px;
  flex: 0 0 auto;
  text-align: right;
}

.bf-check {
  width: 16px;
  height: 16px;
  accent-color: var(--bf-primary, #5865f2);
  flex: 0 0 auto;
}

.bf-check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 22px;
  cursor: pointer;
}

.bf-check-row span {
  font-size: 11px;
  color: var(--bf-text-secondary, #c8d0e0);
}

.bf-slider-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bf-slider-field__header {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.bf-slider-field__label {
  font-size: 11px;
  color: var(--bf-text-label, #9ba3b8);
}

.bf-slider-field__unit {
  font-size: 10px;
  color: var(--bf-text-subtle, #5c6480);
}

.bf-slider-field__row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.bf-slider {
  flex: 1 1 auto;
  min-width: 120px;
  accent-color: var(--bf-primary, #5865f2);
}

.bf-pill {
  min-width: 56px;
  padding: 2px 8px;
  text-align: center;
  background: var(--bf-elevated, #222636);
  border: 1px solid var(--bf-border, #2a2f45);
  border-radius: 4px;
  font-size: 11px;
}

.bf-helper {
  font-size: 10px;
  color: var(--bf-text-secondary, #c8d0e0);
  overflow-wrap: anywhere;
}

.bf-range-helper {
  font-size: 10px;
  color: var(--bf-text-subtle, #5c6480);
}

.bf-recommendation {
  font-size: 10px;
  color: var(--bf-text-secondary, #c8d0e0);
}

.bf-warning {
  font-size: 10px;
  color: var(--bf-warning, #f2c05c);
  border-left: 2px solid var(--bf-warning, #f2c05c);
  background: rgba(242, 192, 92, 0.07);
  padding: 6px 8px;
  white-space: normal;
}

.bf-error-text {
  font-size: 10px;
  color: var(--bf-danger-text, #ef8a8a);
  border-left: 2px solid var(--bf-error, #e46363);
  background: rgba(228, 99, 99, 0.08);
  padding: 6px 8px;
  white-space: normal;
}

.bf-success-text {
  font-size: 10px;
  color: var(--bf-success, #55c788);
}

.bf-muted {
  color: var(--bf-text-label, #9ba3b8);
  font-size: 10px;
}

/* Cards and foldouts */

.bf-card {
  background: var(--bf-raised, #1a1d28);
  border: 1px solid var(--bf-border, #2a2f45);
  border-radius: 6px;
  padding: 12px 14px;
  margin-bottom: 10px;
}

.bf-card__title {
  font-size: 12px;
  font-weight: 700;
  color: var(--bf-text-primary, #e8ecf4);
  border-bottom: 1px solid var(--bf-divider, #1e2235);
  padding-bottom: 6px;
  margin-bottom: 10px;
}

.bf-foldout {
  border: 1px solid var(--bf-border, #2a2f45);
  border-radius: 4px;
  background: var(--bf-deep, #0d0f16);
  margin-bottom: 8px;
  overflow: hidden;
}

.bf-foldout__header {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  min-height: 26px;
  padding: 0 8px;
  background: var(--bf-raised, #1a1d28);
  border: 0;
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  color: var(--bf-text-secondary, #c8d0e0);
  text-align: left;
}

.bf-foldout__header:hover {
  background: var(--bf-elevated, #222636);
}

.bf-foldout__arrow {
  width: 10px;
  color: var(--bf-text-label, #9ba3b8);
}

.bf-foldout__body {
  padding: 10px;
}

/* Buttons */

.bf-button {
  min-height: 24px;
  padding: 0 12px;
  background: var(--bf-elevated, #222636);
  color: var(--bf-text-primary, #e8ecf4);
  border: 1px solid var(--bf-border-strong, #3d4460);
  border-radius: 4px;
  font-size: 11px;
  white-space: nowrap;
  cursor: pointer;
}

.bf-button:hover {
  border-color: var(--bf-focus, #a5aeff);
}

.bf-button--primary {
  min-height: 28px;
  background: var(--bf-primary, #5865f2);
  border-color: var(--bf-focus, #a5aeff);
  color: #fff;
  font-weight: 600;
}

.bf-button--primary:hover {
  background: var(--bf-primary-hover, #6b78ff);
}

.bf-button--quiet {
  background: transparent;
  border-color: transparent;
}

.bf-button--danger {
  color: var(--bf-danger-text, #ef8a8a);
}

.bf-button:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

/* Keyboard focus visibility for every interactive element family */

.bf-button:focus-visible,
.bf-tab:focus-visible,
.bf-chip:focus-visible,
.bf-foldout__header:focus-visible,
.dgs-graph-row:focus-visible,
.dgs-lang-chip:focus-visible,
.dgs-node:focus-visible,
.ui-lane-canvas:focus-visible,
[role="button"]:focus-visible {
  outline: 2px solid var(--bf-focus, #a5aeff);
  outline-offset: 1px;
}

/* Tabs */

.bf-tabs {
  display: flex;
  align-items: stretch;
  gap: 2px;
  border-bottom: 1px solid var(--bf-divider, #1e2235);
  background: var(--bf-deep, #0d0f16);
  padding: 0 8px;
  overflow-x: auto;
}

.bf-tab {
  min-height: 30px;
  padding: 0 12px;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--bf-text-label, #9ba3b8);
  font-size: 11px;
  cursor: pointer;
  white-space: nowrap;
}

.bf-tab:hover {
  color: var(--bf-text-secondary, #c8d0e0);
}

.bf-tab[aria-selected="true"] {
  color: var(--bf-text-primary, #e8ecf4);
  border-bottom-color: var(--bf-selection-edge, #5865f2);
  background: var(--bf-hover-wash, rgba(88, 101, 242, 0.07));
}

.bf-tabstrip {
  display: flex;
  align-items: center;
  gap: 4px;
  min-height: 28px;
  padding: 2px 8px;
  background: var(--bf-deep, #0d0f16);
  border-bottom: 1px solid var(--bf-divider, #1e2235);
  overflow-x: auto;
}

.bf-tabstrip__item {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 22px;
  padding: 0 8px;
  background: var(--bf-raised, #1a1d28);
  border: 1px solid var(--bf-border, #2a2f45);
  border-radius: 4px 4px 0 0;
  font-size: 10px;
  color: var(--bf-text-label, #9ba3b8);
  cursor: pointer;
  white-space: nowrap;
}

.bf-tabstrip__item--active {
  background: var(--bf-elevated, #222636);
  color: var(--bf-text-primary, #e8ecf4);
  border-bottom-color: var(--bf-elevated, #222636);
}

.bf-badge {
  display: inline-flex;
  align-items: center;
  min-height: 18px;
  padding: 0 7px;
  border-radius: 9px;
  background: var(--bf-elevated, #222636);
  color: var(--bf-text-secondary, #c8d0e0);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.bf-chip {
  display: inline-flex;
  align-items: center;
  min-height: 18px;
  padding: 0 7px;
  border-radius: 9px;
  background: var(--bf-elevated, #222636);
  color: var(--bf-text-secondary, #c8d0e0);
  font-size: 9px;
  font-weight: 600;
  margin-right: 5px;
}

.bf-divider {
  height: 1px;
  background: var(--bf-divider, #1e2235);
  margin: 10px 0;
}

.bf-section-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--bf-text-primary, #e8ecf4);
  margin: 10px 0 6px;
}

.bf-tooltip {
  border-bottom: 1px dotted var(--bf-text-subtle, #5c6480);
  cursor: help;
}

.bf-object-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1 1 auto;
  min-width: 0;
}

.bf-object-preview {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1 1 auto;
  min-width: 0;
  min-height: 24px;
  padding: 2px 6px;
  background: var(--bf-deep, #0d0f16);
  border: 1px solid var(--bf-control-border, #828d9f);
  border-radius: 4px;
  font-size: 11px;
}

.bf-object-preview__icon {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  background: var(--bf-elevated, #222636);
  border: 1px solid var(--bf-border-strong, #3d4460);
  flex: 0 0 auto;
}

.bf-object-preview__name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bf-swatch {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  border: 1px solid var(--bf-border-strong, #3d4460);
  flex: 0 0 auto;
}

/* Objective/status bars */

.bf-status-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 24px;
  padding: 0 10px;
  background: var(--bf-base, #13151e);
  border-top: 1px solid var(--bf-divider, #1e2235);
  font-size: 10px;
  color: var(--bf-text-label, #9ba3b8);
}

.bf-status-bar__spacer {
  flex: 1 1 auto;
}

/* Popup / overlay */

.up-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(4, 5, 8, 0.62);
  z-index: 40;
  padding: 18px;
}

.up-overlay .up-window {
  min-height: 0;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.65);
}

/* Message box */

.up-message {
  min-width: 320px;
  max-width: 520px;
}

.up-message__body {
  padding: 16px;
  font-size: 11px;
  color: var(--bf-text-secondary, #c8d0e0);
  white-space: pre-wrap;
}

.up-message__footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px 16px;
  border-top: 1px solid var(--bf-divider, #1e2235);
}

/* Evidence note below the reproduced window */

.up-evidence {
  max-width: 1560px;
  margin: 12px auto 40px;
  padding: 10px 14px;
  background: #101218;
  border: 1px solid #262a36;
  border-radius: 6px;
  color: #9aa3b8;
  font-size: 11px;
}

.up-evidence strong {
  color: #e8ecf4;
}

.up-evidence ul {
  margin: 6px 0 0;
  padding-left: 18px;
}

/* Narrow documentation frame */

@media (max-width: 900px) {
  .up-stage {
    padding: 8px;
  }

  .up-window {
    min-height: 560px;
  }

  .bf-field {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  /* Toggle and checkbox rows keep the label and control inline. */
  .bf-field:has(.bf-check-row) {
    flex-direction: row;
    align-items: center;
    gap: 8px;
  }

  .bf-field__label {
    width: auto;
    min-width: 0;
  }
}