/*
 * 小助理桌面精修与真实界面切换 V2。
 * 三种布局由 html[data-assistant-layout] 直接控制当前页面；不使用 iframe、弹窗或新页面。
 */

html[data-assistant-layout] body.assistant-layout-v2-ready {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

#assistantLayoutStage {
  position: relative;
  flex: 0 0 auto;
  overflow: visible;
}

#assistantLayoutStage > #appShell {
  width: var(--assistant-logical-width, 100%);
  max-width: none;
  height: var(--assistant-logical-height, 100%);
  max-height: none;
  margin: 0;
  transform: scale(var(--assistant-layout-scale, 1));
  transform-origin: top left;
}

#assistantLayoutStage > .module-hub {
  position: absolute;
  z-index: 180;
}

#assistantLayoutStage > .module-hub[hidden] {
  display: none;
}

/* ===== PC版 ===== */
html[data-assistant-layout="pc"] #appShell {
  border: 1px solid #e8eaf0;
  border-radius: 20px;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.12);
}

html[data-assistant-layout="pc"] header {
  padding-left: max(40px, calc((100% - 780px) / 2));
  padding-right: max(40px, calc((100% - 780px) / 2));
}

html[data-assistant-layout="pc"] #announcementBar,
html[data-assistant-layout="pc"] .expire-tip {
  padding-left: max(40px, calc((100% - 780px) / 2));
  padding-right: max(40px, calc((100% - 780px) / 2));
}

html[data-assistant-layout="pc"] #messages {
  padding: 28px max(40px, calc((100% - 780px) / 2)) 20px;
}

html[data-assistant-layout="pc"] .msg.bot {
  width: min(100%, 760px);
}

html[data-assistant-layout="pc"] .msg.user .bubble {
  max-width: min(66%, 560px);
}

html[data-assistant-layout="pc"] #attachBar {
  padding-left: max(40px, calc((100% - 780px) / 2));
  padding-right: max(40px, calc((100% - 780px) / 2));
}

html[data-assistant-layout="pc"] #inputBar {
  padding-left: max(40px, calc((100% - 780px) / 2));
  padding-right: max(40px, calc((100% - 780px) / 2));
}

html[data-assistant-layout="pc"] .sub-drawer-panel,
html[data-assistant-layout="pc"] .debug-history-panel {
  max-width: 680px;
  margin-right: auto;
  margin-left: auto;
}

html[data-assistant-layout="pc"] #voiceBubble {
  max-width: min(600px, 72vw);
}

html[data-assistant-layout="pc"] #pwaTip {
  width: min(560px, calc(100vw - 48px));
  max-width: none;
  right: auto;
  left: 50%;
  transform: translateX(-50%);
}

html[data-assistant-layout="pc"] #assistantLayoutStage > .module-hub {
  right: 24px;
  bottom: calc(86px + env(safe-area-inset-bottom));
}

html[data-assistant-layout="pc"] .module-hub-panel {
  width: 300px;
}

/* ===== Pad版 ===== */
html[data-assistant-layout="pad"] #appShell {
  border: 1px solid #ececec;
  border-radius: 16px;
  box-shadow: 0 14px 38px rgba(15, 23, 42, 0.09);
}

html[data-assistant-layout="pad"] header {
  padding-left: max(24px, calc((100% - 680px) / 2));
  padding-right: max(24px, calc((100% - 680px) / 2));
}

html[data-assistant-layout="pad"] #announcementBar,
html[data-assistant-layout="pad"] .expire-tip {
  padding-left: max(24px, calc((100% - 680px) / 2));
  padding-right: max(24px, calc((100% - 680px) / 2));
}

html[data-assistant-layout="pad"] #messages {
  padding: 24px max(24px, calc((100% - 680px) / 2)) 16px;
}

html[data-assistant-layout="pad"] .msg.bot {
  width: min(100%, 660px);
}

html[data-assistant-layout="pad"] .msg.user .bubble {
  max-width: min(70%, 520px);
}

html[data-assistant-layout="pad"] #attachBar {
  padding-left: max(24px, calc((100% - 680px) / 2));
  padding-right: max(24px, calc((100% - 680px) / 2));
}

html[data-assistant-layout="pad"] #inputBar {
  padding-left: max(24px, calc((100% - 680px) / 2));
  padding-right: max(24px, calc((100% - 680px) / 2));
}

html[data-assistant-layout="pad"] .sub-drawer-panel,
html[data-assistant-layout="pad"] .debug-history-panel {
  max-width: 640px;
  margin-right: auto;
  margin-left: auto;
}

html[data-assistant-layout="pad"] #voiceBubble {
  max-width: min(560px, 80vw);
}

html[data-assistant-layout="pad"] #pwaTip {
  width: min(520px, calc(100vw - 32px));
  max-width: none;
  right: auto;
  left: 50%;
  transform: translateX(-50%);
}

html[data-assistant-layout="pad"] #assistantLayoutStage > .module-hub {
  right: 18px;
  bottom: calc(86px + env(safe-area-inset-bottom));
}

html[data-assistant-layout="pad"] .module-hub-panel {
  width: 280px;
}

/* ===== 手机版：完整继承现有手机界面 ===== */
html[data-assistant-layout="mobile"] #appShell {
  border: 0;
  border-radius: 0;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.08);
}

html[data-assistant-layout="mobile"] header {
  padding: env(safe-area-inset-top) 12px 0;
}

html[data-assistant-layout="mobile"] header .actions {
  gap: 4px;
}

html[data-assistant-layout="mobile"] #announcementBar {
  padding: 8px 14px;
}

html[data-assistant-layout="mobile"] .expire-tip {
  padding: 6px 14px;
}

html[data-assistant-layout="mobile"] #messages {
  padding: 20px 16px 12px;
}

html[data-assistant-layout="mobile"] .msg.bot {
  width: auto;
}

html[data-assistant-layout="mobile"] .msg.user .bubble {
  max-width: 80%;
}

html[data-assistant-layout="mobile"] #attachBar {
  padding: 8px 12px;
}

html[data-assistant-layout="mobile"] #inputBar {
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
}

html[data-assistant-layout="mobile"] .sub-drawer-panel {
  max-width: 480px;
  margin-right: auto;
  margin-left: auto;
}

html[data-assistant-layout="mobile"] .debug-history-panel {
  max-width: none;
  margin: 0;
}

html[data-assistant-layout="mobile"] #voiceBubble {
  max-width: 80%;
}

html[data-assistant-layout="mobile"] #pwaTip {
  width: auto;
  max-width: none;
  right: 12px;
  left: 12px;
  transform: none;
}

html[data-assistant-layout="mobile"] #assistantLayoutStage > .module-hub {
  right: max(14px, env(safe-area-inset-right));
  bottom: calc(86px + env(safe-area-inset-bottom));
}

html[data-assistant-layout="mobile"] .module-hub-panel {
  width: 260px;
}

@media (max-width: 380px) {
  html[data-assistant-layout="mobile"] #messages {
    padding-right: 12px;
    padding-left: 12px;
  }
}

@media (max-height: 560px) and (orientation: landscape) {
  html[data-assistant-layout] #messages {
    padding-top: 12px;
  }

  html[data-assistant-layout] #assistantLayoutStage > .module-hub {
    bottom: calc(72px + env(safe-area-inset-bottom));
  }
}

/* ===== 悬浮面板中的界面切换 ===== */
.assistant-layout-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  margin-top: 12px;
  padding: 4px;
  border: 1px solid #ececec;
  border-radius: 10px;
  background: #f5f6f8;
}

.assistant-layout-option {
  min-width: 0;
  height: 36px;
  padding: 0 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: #666;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
}

.assistant-layout-option:active {
  transform: translateY(1px);
}

.assistant-layout-option.is-active {
  border-color: #ffd4dc;
  background: #fff0f3;
  color: #b6233a;
  box-shadow: 0 2px 8px rgba(230, 57, 80, 0.12);
}

.assistant-layout-option:focus-visible {
  outline: 3px solid rgba(230, 57, 80, 0.24);
  outline-offset: 2px;
}