/* Prototype navigation shell — uses mui-kit tokens. Do not restyle per page. */

:root {
  --proto-phone-radius-outer: 40px;
  --proto-phone-radius-inner: 30px;
  --proto-shadow-phone: 0 12px 32px rgba(0, 0, 0, 0.14);
}

.proto-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background: var(--md-bg-default);
  color: var(--md-text);
  font-family: var(--md-font);
}

.proto-sidebar {
  width: var(--md-drawer-w);
  flex-shrink: 0;
  background: var(--md-bg-paper);
  box-shadow: var(--md-shadow-8);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width var(--md-duration) var(--md-ease);
  z-index: var(--md-z-drawer);
  align-self: stretch;
}
.proto-sidebar.collapsed {
  width: 0;
  box-shadow: none;
  overflow: hidden;
}
.proto-sidebar__head {
  flex-shrink: 0;
  padding: 20px 16px 12px;
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--md-primary);
  white-space: nowrap;
}
.proto-sidebar__nav {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 0 16px;
}
.proto-nav-group__head {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 36px;
  padding: 0 12px 0 16px;
  border: 0;
  background: transparent;
  color: var(--md-text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  text-align: left;
}
.proto-nav-group__head:hover { background: var(--md-hover); }
.proto-nav-group__title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.proto-nav-group__head .md-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--md-duration) var(--md-ease);
}
.proto-nav-group__head.is-open .md-icon { transform: rotate(90deg); }
.proto-nav-group__items { overflow: hidden; }
.proto-nav-group__items.is-collapsed { display: none; }
.proto-nav-group__items .md-list-item {
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 2px;
  min-height: 52px;
  padding: 8px 16px 8px 28px;
}
.proto-nav-item__name {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.875rem;
  line-height: 1.25;
}
.proto-nav-item__id {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: var(--md-text-secondary);
}
.proto-nav-group__items .md-list-item.is-active .proto-nav-item__id {
  color: var(--md-primary);
  opacity: 0.72;
}

.proto-main {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.proto-appbar {
  min-height: var(--md-appbar-h);
  padding: 0 8px 0 8px;
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--md-primary);
  color: #fff;
  box-shadow: var(--md-shadow-4);
  z-index: var(--md-z-appbar);
  flex-shrink: 0;
}
.proto-appbar__title {
  font-size: 1.25rem;
  font-weight: 500;
  margin-left: 8px;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.proto-appbar .md-icon-btn,
.proto-appbar .md-btn { color: #fff; }
.proto-appbar .md-btn:hover,
.proto-appbar .md-icon-btn:hover { background: rgba(255, 255, 255, 0.08); }
.proto-appbar a.proto-link {
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02857em;
  text-transform: uppercase;
  padding: 6px 8px;
  border-radius: var(--md-radius);
  text-decoration: none;
}
.proto-appbar a.proto-link:hover { background: rgba(255, 255, 255, 0.08); }

.proto-content {
  flex: 1;
  min-height: 0;
  min-width: 0;
  display: flex;
  flex-direction: row;
}

.proto-state {
  width: var(--md-state-w);
  flex-shrink: 0;
  background: var(--md-bg-paper);
  border-right: 1px solid var(--md-divider);
  overflow-x: hidden;
  overflow-y: auto;
  transition: width var(--md-duration) var(--md-ease), opacity var(--md-duration) var(--md-ease);
}
.proto-state.collapsed,
.proto-state:not(.show) {
  width: 0;
  opacity: 0;
  pointer-events: none;
  border-right: 0;
}
.proto-state.show:not(.collapsed) {
  width: var(--md-state-w);
  opacity: 1;
  pointer-events: auto;
}
.proto-state__title {
  padding: 16px 16px 8px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08333em;
  text-transform: uppercase;
  color: var(--md-text-secondary);
}
.proto-state__group { padding: 0 12px 16px; }
.proto-state__name {
  font-size: 0.875rem;
  font-weight: 500;
  margin: 0 0 8px;
}

.preview-area {
  flex: 1;
  min-width: 0;
  min-height: 0;
  overflow: visible;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: var(--md-grey-100, #f5f5f5);
}
.proto-shell[data-mode="desktop"] .preview-area {
  padding: 0;
  overflow: hidden;
  background: var(--md-bg-default);
  align-items: stretch;
  justify-content: stretch;
}
.proto-shell[data-mode="desktop"] .preview-frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: var(--md-bg-default);
}

/* 屏内固定 375×812；边框必须在屏外。壳页引入 mui-kit 后 * 为 border-box，
   若边框算进 375，iframe 仍按 375 画，右边/底边会被 overflow 切掉约 20px。 */
.phone-scale-host {
  --phone-w: 375px;
  --phone-h: 812px;
  --phone-bezel: 10px;
  width: calc((var(--phone-w) + 2 * var(--phone-bezel)) * var(--phone-scale, 1));
  height: calc((var(--phone-h) + 2 * var(--phone-bezel)) * var(--phone-scale, 1));
  overflow: hidden;
  flex-shrink: 0;
  border-radius: calc(var(--proto-phone-radius-outer) * var(--phone-scale, 1));
  box-shadow: var(--proto-shadow-phone);
}
.phone-frame {
  box-sizing: content-box;
  width: var(--phone-w);
  height: var(--phone-h);
  transform: scale(var(--phone-scale, 1));
  transform-origin: top left;
  border-radius: var(--proto-phone-radius-outer);
  overflow: hidden;
  background: #1c1c1e;
  border: var(--phone-bezel) solid #1c1c1e;
  position: relative;
}
.phone-frame iframe {
  display: block;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
  border-radius: var(--proto-phone-radius-inner); /* 圆角屏；页内 --md-safe-edge 避免控件贴角 */
}
.phone-home-bar {
  position: absolute;
  left: 50%;
  bottom: 6px;
  width: 126px;
  height: 5px;
  margin-left: -63px;
  border-radius: var(--md-radius-xs);
  background: rgba(255, 255, 255, 0.45);
  pointer-events: none;
  z-index: 3;
}

.proto-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--md-z-modal);
  display: none;
}
.proto-drawer-backdrop.is-open { display: block; }

.proto-drawer {
  position: fixed;
  top: 0;
  right: -375px;
  width: 375px;
  height: 100vh;
  background: var(--md-bg-paper);
  box-shadow: var(--md-shadow-16);
  z-index: calc(var(--md-z-modal) + 1);
  display: flex;
  flex-direction: column;
  transition: right var(--md-duration) var(--md-ease);
}
.proto-drawer.is-open { right: 0; }
.proto-drawer--brief {
  width: 320px;
  right: -320px;
}
.proto-drawer__head {
  display: flex;
  align-items: center;
  min-height: 64px;
  padding: 0 8px 0 16px;
  border-bottom: 1px solid var(--md-divider);
  flex-shrink: 0;
}
.proto-drawer__head h2 {
  flex: 1;
  margin: 0;
  font-size: 1.25rem;
  font-weight: 500;
}
.proto-drawer__body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 16px;
}
.proto-drawer__section { margin-bottom: 24px; }
.proto-drawer__section h3 {
  margin: 0 0 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--md-primary);
}
.proto-drawer__section p,
.proto-drawer__section li {
  margin: 0 0 8px;
  font-size: 0.875rem;
  color: var(--md-text-secondary);
  white-space: pre-wrap;
}

#statePanelToggle[hidden] { display: none !important; }

/* —— 关系图 map.html（真机 375×812 缩略、拖拽缓存、导出） —— */
html:has(#map-shell),
html:has(#map-shell) body {
  height: 100%;
  margin: 0;
}
body.proto-map-body,
body.proto-map-body #proto-map-root {
  height: 100%;
  margin: 0;
}
#map-shell { display: flex; flex-direction: column; height: 100%; background: var(--md-bg-default); }
#map-shell .md-appbar { flex-shrink: 0; flex-wrap: wrap; }
#viewport {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  background: #f5f5f5;
  position: relative;
  cursor: grab;
}
#map-stage { position: absolute; left: 0; top: 0; transform-origin: 0 0; }
#world { position: absolute; left: 0; top: 0; }
#connections { position: absolute; left: 0; top: 0; overflow: visible; pointer-events: none; }
.page-node {
  position: absolute;
  width: var(--map-node-w, 200px);
  background: var(--md-bg-paper);
  border-radius: var(--md-radius);
  box-shadow: var(--md-shadow-2);
  overflow: hidden;
}
.node-header {
  padding: 8px 12px;
  cursor: move;
  border-bottom: 1px solid var(--md-divider);
}
.node-id { font-size: 0.75rem; color: var(--md-text-secondary); }
.node-name { font-size: 1rem; font-weight: 500; color: var(--md-text); }
.phone-wrap {
  width: var(--map-node-w, 200px);
  height: calc(var(--map-node-w, 200px) * 812 / 375);
  overflow: hidden;
  position: relative;
  background: var(--md-grey-200, #eee);
}
.phone-wrap iframe {
  width: var(--map-phone-w, 375px);
  height: var(--map-phone-h, 812px);
  border: 0;
  transform: scale(calc(var(--map-node-w, 200px) / var(--map-phone-w, 375px)));
  transform-origin: top left;
  pointer-events: none;
}
.phone-overlay { position: absolute; inset: 0; cursor: pointer; }
.map-hint,
.map-legend {
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  padding: 8px 16px;
  font-size: 0.75rem;
  color: var(--md-text-secondary);
  border-top: 1px solid var(--md-divider);
  background: var(--md-bg-paper);
}
.map-legend__ops { margin-right: auto; }
.map-legend__items {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
}
.map-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--md-text);
  font-size: 0.75rem;
}
.map-legend__item svg {
  display: block;
  flex-shrink: 0;
}
.map-link-label {
  font-size: 11px;
  font-weight: 500;
  paint-order: stroke;
  stroke: #f5f5f5;
  stroke-width: 4px;
  stroke-linejoin: round;
  pointer-events: none;
}
.proto-map-toast {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.96);
  padding: 12px 20px;
  border-radius: var(--md-radius-md);
  background: rgba(0, 0, 0, 0.72);
  color: #fff;
  font-size: 0.875rem;
  pointer-events: none;
  opacity: 0;
  z-index: 40;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.proto-map-toast.is-on {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.proto-skill-credit {
  position: fixed;
  right: 12px;
  bottom: 8px;
  z-index: 80;
  margin: 0;
  max-width: min(92vw, 720px);
  text-align: right;
  font-size: 11px;
  line-height: 1.45;
  color: var(--md-text-secondary, rgba(0, 0, 0, 0.54));
  word-break: break-all;
  pointer-events: auto;
}
.proto-skill-credit a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}