/* ===========================================================================
 * Slice 13: ModelPicker · panel "生成模型" 三态 capability 选择器
 * 进场必读：reports/research/canvas-ui-docs/slice-13.md
 * 4 态徽章：◉ 已开通 / ○ 未开通 / △ 试用 / ◐ 占位（unicode 不是 emoji）
 * --------------------------------------------------------------------------- */
.canvas-panel-mp { position: relative; width: 100%; }
.canvas-panel-mp-trigger {
  appearance: none; font-family: inherit; font-size: 13px; font-weight: 400;
  color: var(--app-text, #242424); background: var(--app-surface, #ffffff);
  border: 1px solid var(--app-border-strong, #e5e7eb); border-radius: 8px;
  padding: 4px 30px 4px 10px; height: 32px; outline: 0; cursor: pointer; width: 100%;
  box-sizing: border-box; display: flex; align-items: center; justify-content: space-between;
  transition: border-color 140ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 140ms cubic-bezier(0.22, 1, 0.36, 1);
}
.canvas-panel-mp-trigger:hover { border-color: var(--app-text-subtle, #9aa4af); }
.canvas-panel-mp--open .canvas-panel-mp-trigger {
  border-color: var(--app-primary, #b87d75);
  box-shadow: 0 0 0 3px var(--app-primary-ring, rgba(184, 125, 117, 0.24));
}
.canvas-panel-mp-trigger-inner { display: inline-flex; align-items: center; gap: 8px; min-width: 0; flex: 1; }
.canvas-panel-mp-trigger-label { text-overflow: ellipsis; white-space: nowrap; overflow: hidden; min-width: 0; }
.canvas-panel-mp-trigger-empty { color: var(--app-text-subtle, #9aa4af); font-style: italic; }

/* Dropdown */
.canvas-panel-mp-dropdown {
  margin-top: 6px; border: 1px solid var(--app-border-strong, #e5e7eb); border-radius: 10px;
  background: var(--app-surface, #ffffff); box-shadow: 0 8px 24px rgba(28, 32, 42, 0.06);
  padding: 8px; display: flex; flex-direction: column; gap: 8px; max-height: 320px; overflow: hidden;
}

/* Segmented control */
.canvas-panel-mp-segmented {
  display: flex; gap: 4px; flex-wrap: wrap; padding: 2px;
  background: var(--app-surface-muted, #f8fafc); border-radius: 8px;
}
.canvas-panel-mp-seg {
  appearance: none; font-family: inherit; font-size: 11px; font-weight: 500;
  color: var(--app-text-muted, #6b7280); background: transparent; border: 0; border-radius: 6px;
  padding: 4px 8px; cursor: pointer; letter-spacing: 0.02em; white-space: nowrap;
  transition: background 120ms cubic-bezier(0.22, 1, 0.36, 1), color 120ms cubic-bezier(0.22, 1, 0.36, 1);
}
.canvas-panel-mp-seg:hover { color: var(--app-text, #242424); background: rgba(0, 0, 0, 0.03); }
.canvas-panel-mp-seg--active {
  color: var(--app-text, #242424); background: var(--app-surface, #ffffff);
  box-shadow: 0 1px 3px rgba(28, 32, 42, 0.08);
}

/* List + rows */
.canvas-panel-mp-list { display: flex; flex-direction: column; gap: 2px; max-height: 220px; overflow-y: auto; padding-right: 2px; }
.canvas-panel-mp-empty { font-size: 12px; color: var(--app-text-subtle, #9aa4af); padding: 16px; text-align: center; }
.canvas-panel-mp-row {
  appearance: none; font-family: inherit; font-size: 13px; font-weight: 400;
  color: var(--app-text, #242424); background: transparent;
  border: 1px solid transparent; border-radius: 6px; padding: 6px 8px; cursor: pointer;
  display: flex; align-items: center; gap: 10px; text-align: left; width: 100%; box-sizing: border-box;
  transition: background 120ms cubic-bezier(0.22, 1, 0.36, 1), border-color 120ms cubic-bezier(0.22, 1, 0.36, 1);
}
.canvas-panel-mp-row:hover { background: var(--app-surface-muted, #f8fafc); }
.canvas-panel-mp-row--active { background: var(--app-primary-soft, #f5edeb); border-color: var(--app-primary, #b87d75); }
.canvas-panel-mp-row--disabled { cursor: not-allowed; }
.canvas-panel-mp-row--disabled .canvas-panel-mp-label { color: var(--app-text-subtle, #9aa4af); }
.canvas-panel-mp-label { flex: 1; text-overflow: ellipsis; white-space: nowrap; overflow: hidden; min-width: 0; }
.canvas-panel-mp-state-text {
  font-size: 10px; font-weight: 500; color: var(--app-text-subtle, #9aa4af);
  letter-spacing: 0.04em; text-transform: uppercase; flex-shrink: 0;
}

/* Badge 4 态 · unicode 徽章 */
.canvas-panel-mp-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; border-radius: 50%;
  font-size: 11px; font-weight: 500; line-height: 1; flex-shrink: 0;
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
}
/* ◉ 已开通 柔绿 · ○ 未开通 灰 · △ 试用 琥珀 · ◐ 占位 浅紫 */
.canvas-panel-mp-badge--enabled  { background: rgba(82, 168, 110, 0.14); color: #2f8a52; }
.canvas-panel-mp-badge--disabled { background: rgba(154, 164, 175, 0.16); color: #6b7280; }
.canvas-panel-mp-badge--trial    { background: rgba(217, 154, 79, 0.16); color: #b87a37; }
.canvas-panel-mp-badge--stub     { background: rgba(140, 116, 184, 0.14); color: #7659b3; }