/* 圆桌数学家 · 线上科技会议室 —— HUD 样式 */

:root {
  --accent: #22d3ee;
  --accent-soft: #0e7490;
  --accent-dim: rgba(34, 211, 238, 0.35);
  --violet: #8b5cf6;
  --select: #ffb347;
  --text: #cdefff;
  --text-dim: #88adc1;
  --panel-bg: rgba(6, 17, 26, 0.62);
  --panel-line: rgba(34, 211, 238, 0.22);
  --font-mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #03060b;
  color: var(--text);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 3D 舞台 ---------- */
#stage {
  position: fixed;
  inset: 0;
  transition: filter 0.5s ease;
}

/* 聚焦某个科学家时：背景只压暗一档（虚化交给 3D 景深完成，人物保持清晰） */
#stage.is-focused {
  filter: brightness(0.82) saturate(0.94);
}

#stage canvas { display: block; }

.label-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 2;
}

/* ---------- HUD 容器 ---------- */
#hud {
  position: fixed;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

.panel {
  pointer-events: auto;
  background: linear-gradient(180deg, rgba(56, 104, 128, 0.54), rgba(12, 34, 46, 0.66));
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 10px;
  backdrop-filter: blur(26px) saturate(165%);
  -webkit-backdrop-filter: blur(26px) saturate(165%);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35), 0 20px 55px rgba(0, 0, 0, 0.6),
              inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

/* ---------- 顶部品牌 ---------- */
.brand {
  position: absolute;
  top: 18px;
  left: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  font-size: 24px;
  color: #041219;
  border-radius: 8px;
  background: linear-gradient(135deg, #7dedff, var(--accent) 45%, #1a7f9c);
  box-shadow: 0 0 22px rgba(34, 211, 238, 0.55);
}

.brand-text h1 {
  margin: 0;
  font-size: 17px;
  letter-spacing: 2px;
  font-weight: 600;
}

.brand-text p {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 1.6px;
  color: var(--text-dim);
}

.stats {
  display: flex;
  gap: 16px;
  margin-left: 8px;
  padding-left: 16px;
  border-left: 1px solid var(--panel-line);
}

.stat { text-align: center; }

.stat b {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--accent);
  text-shadow: 0 0 14px rgba(34, 211, 238, 0.6);
}

.stat span {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 1px;
}

/* ---------- 右侧控制面板 ---------- */
.panel-toggle {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  pointer-events: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--accent);
  background: var(--panel-bg);
  border: 1px solid var(--panel-line);
  border-radius: 10px;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  cursor: pointer;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.panel-toggle:hover {
  border-color: rgba(34, 211, 238, 0.6);
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.3);
}

.panel-toggle .chev {
  display: block;
  transition: transform 0.28s ease;
}

.panel-toggle.collapsed .chev { transform: rotate(180deg); }

.controls {
  position: absolute;
  top: 72px;
  right: 18px;
  bottom: 60px;
  width: 268px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  overflow-x: hidden;
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.24s ease;
}

.controls.collapsed {
  transform: translateX(300px);
  opacity: 0;
  pointer-events: none;
}

/* 固定区块不参与收缩，避免内容溢出压到下一块 */
.controls section {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.controls section.grow {
  flex: 1 1 auto;
  min-height: 76px;
}

.controls h2 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2.4px;
  color: var(--text-dim);
  text-transform: uppercase;
}

.controls h2 .dot {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--panel-line), transparent);
}

.row { display: flex; flex-wrap: wrap; gap: 8px; }

.btn {
  flex: 1 1 46%;
  padding: 7px 10px;
  font-size: 11.5px;
  font-family: inherit;
  letter-spacing: 0.6px;
  color: var(--text);
  background: rgba(34, 211, 238, 0.06);
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.btn:hover {
  background: rgba(34, 211, 238, 0.16);
  border-color: rgba(34, 211, 238, 0.6);
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.28);
}

.btn:active { transform: translateY(1px); }

.btn.active {
  color: #041219;
  background: linear-gradient(135deg, #8befff, var(--accent));
  border-color: transparent;
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.5);
}

.btn.primary {
  color: #041219;
  background: linear-gradient(135deg, #ffd79a, var(--select));
  border-color: transparent;
}

.btn.ghost { flex: 1 1 30%; }

/* 「总结会议」等待态：转圈 + 文案 —— 告诉用户「当前这位说完才轮到主持人」 */
.btn.waiting {
  position: relative;
  padding-left: 30px;
  opacity: 0.92;
  cursor: progress;
}
.btn.waiting::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 50%;
  width: 12px;
  height: 12px;
  margin-top: -6px;
  border-radius: 50%;
  border: 2px solid rgba(255, 217, 168, 0.3);
  border-top-color: #ffd9a8;
  animation: btnSpin 0.8s linear infinite;
}
@keyframes btnSpin { to { transform: rotate(360deg); } }

/* ---------- 座位详情 ---------- */
.seat-detail { font-size: 12px; }
.seat-detail .empty { margin: 0; color: var(--text-dim); font-size: 11.5px; }

.seat-detail .title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--select);
  text-shadow: 0 0 12px rgba(255, 179, 71, 0.45);
  margin-bottom: 10px;
}

.seat-detail .title small { color: var(--text-dim); font-size: 10px; }

.field {
  width: 100%;
  margin-bottom: 8px;
  padding: 7px 9px;
  font-family: inherit;
  font-size: 12px;
  color: var(--text);
  background: rgba(3, 12, 18, 0.85);
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 6px;
  outline: none;
}

.field:focus { border-color: var(--accent); box-shadow: 0 0 14px rgba(34, 211, 238, 0.3); }
.field::placeholder { color: #47637a; }

/* ---------- 座位清单 ---------- */
.seat-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding-right: 4px;
}

.seat-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 9px;
  border-radius: 6px;
  border: 1px solid rgba(34, 211, 238, 0.14);
  background: rgba(34, 211, 238, 0.04);
  font-size: 11.5px;
  cursor: pointer;
  transition: all 0.16s ease;
}

.seat-chip:hover { border-color: rgba(34, 211, 238, 0.5); background: rgba(34, 211, 238, 0.12); }

.seat-chip.selected {
  border-color: var(--select);
  background: rgba(255, 179, 71, 0.14);
}

.seat-chip .idx {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  min-width: 46px;
}

.seat-chip.selected .idx { color: var(--select); }

.seat-chip .who {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-dim);
}

.seat-chip .who.filled { color: var(--text); }

.seat-list::-webkit-scrollbar, .controls::-webkit-scrollbar,
.controls ::-webkit-scrollbar { width: 5px; }

.seat-list::-webkit-scrollbar-thumb, .controls::-webkit-scrollbar-thumb,
.controls ::-webkit-scrollbar-thumb {
  background: rgba(34, 211, 238, 0.3);
  border-radius: 3px;
}

/* ---------- 3D 场景中的座位标签 ---------- */
/* 座位名牌已经改成 3D 卡片（见 js/seats.js 的 LABEL / paintLabel），
   不再走 HTML 样式，原来的 .seat-label / .seat-avatar 规则已移除。 */

/* 中央全息标题 */
.holo-title {
  text-align: center;
  pointer-events: none;
  transform: translateY(-6px);
}

.holo-title h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 6px;
  color: #b8e9fb;
  text-shadow: 0 0 8px rgba(34, 211, 238, 0.45);
}

.holo-title p {
  margin: 5px 0 0;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 4px;
  color: rgba(125, 200, 225, 0.6);
}

/* ---------- 会议对话：左右两个面板 + 指向座位的引线 ---------- */
.leaders {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.leaders.show { opacity: 1; }

/* 全局视角：左右讨论面板与引线整体让位（内部状态不变，回到特写时原样恢复） */
body.overview .dlg { opacity: 0; visibility: hidden; transform: translateY(-10px); }
body.overview .leaders { opacity: 0; }

.leaders .lead {
  fill: none;
  stroke: rgba(34, 211, 238, 0.55);
  stroke-width: 1.2;
  stroke-dasharray: 5 5;
}

.leaders .lead-anchor {
  fill: rgba(255, 179, 71, 0.9);
  stroke: rgba(255, 215, 154, 0.9);
  stroke-width: 1.2;
}

.dlg {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 15px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.26s ease, transform 0.26s ease, visibility 0.26s;
}

.dlg.show {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.dlg-left {
  left: 18px;
  top: 104px;
  bottom: auto;                       /* 高度跟随内容，不占一大块 */
  width: 268px;
  max-height: calc(100vh - 190px);
  overflow: hidden;                   /* 内部自己滚（发言记录那块） */
  padding: 11px 12px;
  gap: 7px;
}

/* 发言记录：窗口大小固定（不管有没有人发言都这么大），超出就在里面上下滚 */
.dlg-flow-wrap {
  display: flex;
  flex-direction: column;
  height: 262px;
  min-height: 0;
  margin-top: 2px;
  border-top: 1px solid rgba(34, 211, 238, 0.14);
}

/* 顶部条：左边「发言 · FLOW」，右边「查看完整对话记录」 */
.dlg-flow-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 6px 0 5px;
}

.dlg-flow-bar .dlg-sub { padding-top: 0; margin: 0; }

.dlg-flow-bar .dlg-more { margin: 0; padding: 4px 8px; font-size: 10px; letter-spacing: 0.5px; }

.dlg-flow {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 4px;
}

.dlg-flow::-webkit-scrollbar { width: 5px; }
.dlg-flow::-webkit-scrollbar-thumb {
  background: rgba(34, 211, 238, 0.3);
  border-radius: 3px;
}
.dlg-flow::-webkit-scrollbar-track { background: transparent; }

/* 面板内同步收紧（字号仍可读、按钮仍可点） */
.dlg-left .dlg-kicker { font-size: 9.5px; letter-spacing: 2px; }
.dlg-left .dlg-status { padding: 1px 7px; font-size: 9.5px; }
.dlg-left .dlg-topic-text { font-size: 12.5px; line-height: 1.45; }
.dlg-left .dlg-sub { font-size: 9px; padding-top: 6px; margin-top: 2px; }
.dlg-left .dlg-flow { gap: 5px; }
.dlg-left .flow-turn { padding: 2px 6px; gap: 5px; }
.dlg-left .flow-dot { width: 8px; font-size: 9px; }
.dlg-left .flow-name { font-size: 10.5px; }
.dlg-left .flow-role { font-size: 8.5px; padding: 0 5px; }
.dlg-left .dlg-more { padding: 7px 8px; font-size: 10.5px; }

.dlg-right {
  right: 18px;
  top: 72px;
  width: 372px;
  max-height: calc(100vh - 228px);   /* 给底部提问台让位 */
  overflow-y: auto;
}

.dlg-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.dlg-kicker {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2.4px;
  color: var(--text-dim);
}

.dlg-status {
  padding: 2px 8px;
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--accent);
  border: 1px solid rgba(34, 211, 238, 0.35);
  border-radius: 10px;
  background: rgba(34, 211, 238, 0.08);
}

.dlg-topic-text {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.3px;
  color: var(--text);
}

.dlg-meta {
  margin: 0;
  font-size: 10.5px;
  line-height: 1.6;
  letter-spacing: 0.4px;
  color: var(--text-dim);
}

.dlg-empty {
  margin: 0;
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* 讨论记录时间线 */
.dlg-log {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
  overflow-y: auto;
  padding-right: 4px;
  border-top: 1px solid var(--panel-line);
  padding-top: 10px;
}

.msg {
  padding: 8px 10px;
  border-radius: 6px;
  border-left: 2px solid rgba(34, 211, 238, 0.3);
  background: rgba(34, 211, 238, 0.045);
}

.msg-user {
  border-left-color: rgba(255, 179, 71, 0.55);
  background: rgba(255, 179, 71, 0.07);
}

.msg-self {
  border-left-color: var(--accent);
  background: rgba(34, 211, 238, 0.11);
}

.msg-top {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 4px;
}

.msg-from {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text);
}

/* 会议记录里每句话前面的科学家头像 */
.msg-face {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  flex: none;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.38);
}

.msg-user .msg-from { color: var(--select); }

.msg-kind {
  padding: 0 5px;
  font-size: 9.5px;
  line-height: 15px;
  color: var(--text-dim);
  border: 1px solid rgba(143, 178, 194, 0.3);
  border-radius: 8px;
}

.msg-time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--text-dim);
}

.msg-text {
  margin: 0;
  font-size: 11.5px;
  line-height: 1.68;
  color: #a9c9db;
}

/* 右面板：该角色当前发言 */
.speaker {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.speaker-name {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 1px;
  color: #eaffff;
  text-shadow: 0 0 14px rgba(34, 211, 238, 0.45);
}

.speaker-field {
  font-size: 10.5px;
  letter-spacing: 1px;
  color: var(--text-dim);
}

.speech {
  position: relative;
  margin: 0;
  padding: 13px 14px 13px 16px;
  font-size: 13px;
  line-height: 1.85;
  color: #dff6ff;
  border-left: 2px solid var(--select);
  border-radius: 4px;
  background: linear-gradient(90deg, rgba(255, 179, 71, 0.1), rgba(255, 179, 71, 0.02));
}

/* 发言框下方：切到下一位发言 */
.dlg-next {
  margin-top: 12px;
  width: 100%;
  padding: 9px 12px;
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 2px;
  color: #c9f7ff;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.dlg-next:hover {
  color: #06181f;
  background: rgba(157, 240, 255, 0.9);
  border-color: #bdfaff;
}

/* 主持人收尾时的「跳过总结」：琥珀色，一眼区别于普通的「下一位」 */
.dlg-skip {
  color: #ffe6b8;
  background: rgba(255, 179, 71, 0.1);
  border-color: rgba(255, 179, 71, 0.45);
}

.dlg-skip:hover {
  color: #1a1200;
  background: rgba(255, 196, 110, 0.92);
  border-color: #ffd79a;
}

.dlg-log::-webkit-scrollbar { width: 5px; }

.dlg-log::-webkit-scrollbar-thumb {
  background: rgba(34, 211, 238, 0.3);
  border-radius: 3px;
}

@media (max-width: 1180px) {
  .dlg-left { width: 246px; }
  .dlg-right { width: 300px; }
}

@media (max-width: 900px) {
  .dlg-left { width: 216px; top: 96px; }
  .dlg-right { width: 250px; }
  .speaker-name { font-size: 16px; }
  .speech { font-size: 12px; }
}

/* ---------- 墙面大屏弹窗 ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 15;
  display: grid;
  place-items: center;
  padding: 42px 24px;
  background: rgba(2, 8, 13, 0.5);
  backdrop-filter: blur(12px) saturate(120%);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s ease, visibility 0.28s;
}

.modal.show { opacity: 1; visibility: visible; }

.modal-card {
  width: min(880px, 100%);
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px 22px;
  transform: translateY(12px) scale(0.99);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal.show .modal-card { transform: none; }

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.modal-heading { display: flex; flex-direction: column; gap: 6px; }

.modal-heading h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 1.2px;
  color: var(--text);
}

.modal-close {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  font-size: 13px;
  color: var(--text);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid var(--panel-line);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.modal-close:hover {
  background: rgba(34, 211, 238, 0.18);
  border-color: rgba(34, 211, 238, 0.55);
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
  overflow-y: auto;
}

.modal-topic {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.6;
  color: #eaffff;
}

.modal-log { max-height: 56vh; border-top: none; padding-top: 0; }

.wall-seats { display: flex; flex-direction: column; gap: 6px; }

.wall-seat {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  font-family: inherit;
  font-size: 12px;
  text-align: left;
  color: var(--text);
  background: rgba(34, 211, 238, 0.045);
  border: 1px solid rgba(34, 211, 238, 0.14);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.16s ease;
}

.wall-seat:hover { border-color: rgba(34, 211, 238, 0.5); background: rgba(34, 211, 238, 0.12); }
.wall-seat.active { border-color: var(--select); background: rgba(255, 179, 71, 0.12); }

.ws-idx { font-family: var(--font-mono); font-size: 10px; color: var(--accent); min-width: 54px; }
.wall-seat.active .ws-idx { color: var(--select); }

.ws-name { min-width: 84px; font-weight: 600; }

.ws-topic {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-dim);
}

/* ---------- 屏幕特效 ---------- */
.scanlines {
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(160, 240, 255, 0.035) 0px,
    rgba(160, 240, 255, 0.035) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: screen;
  opacity: 0.26;
}

.vignette {
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background: radial-gradient(circle at 50% 45%, transparent 45%, rgba(0, 6, 10, 0.72) 100%);
}

/* ---------- 加载遮罩 ---------- */
#loading {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  background: #03060b;
  transition: opacity 0.7s ease;
}

#loading.hide { opacity: 0; pointer-events: none; }

#loading p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--accent);
}

.loader-ring {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 1px solid rgba(34, 211, 238, 0.18);
  border-top-color: var(--accent);
  border-right-color: rgba(139, 92, 246, 0.8);
  animation: spin 1s linear infinite;
  box-shadow: 0 0 26px rgba(34, 211, 238, 0.35);
}

@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 900px) {
  .controls { width: 220px; }
  .brand { transform: scale(0.9); transform-origin: top left; }
  .hint { display: none; }
}

/* ==================== 提问台 + 讨论机制 ==================== */

/* ---------- 底部提问台（默认隐藏；点中间的全息球弹出） ---------- */
.ask {
  position: absolute;
  left: 50%;
  bottom: 54px;
  transform: translateX(-50%) translateY(14px);
  width: min(720px, calc(100vw - 400px));
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 12px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.24s ease, transform 0.24s ease, visibility 0.24s;
}

.ask.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%);
  pointer-events: auto;
}

/* 有讨论在跑时，收起示例问题，只留输入框 */
.ask.has-discussion .ask-chips { display: none; }
.ask.has-discussion { padding: 8px 12px; }

/* 会议结束后：收起输入行，只留一个通栏的「提出新议题」→ 回到最初的议题输入卡 */
.ask.ended { padding: 8px 12px; }
.ask-newtopic {
  display: none;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 100%;
  padding: 12px 18px;
  font-size: 13px;
  letter-spacing: 3px;
}

.ask-close {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  font-size: 12px;
  color: var(--text);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid var(--panel-line);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.ask-close:hover {
  background: rgba(34, 211, 238, 0.2);
  border-color: rgba(34, 211, 238, 0.6);
}

.ask-row { display: flex; gap: 10px; align-items: center; }

.ask-input {
  flex: 1;
  min-width: 0;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 13px;
  letter-spacing: 0.4px;
  color: var(--text);
  background: rgba(3, 14, 21, 0.66);
  border: 1px solid var(--panel-line);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.ask-input::placeholder { color: rgba(136, 173, 193, 0.75); }

.ask-input:focus {
  border-color: rgba(34, 211, 238, 0.65);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}

.ask-row .btn { flex: 0 0 auto; }

.ask-chips { display: flex; gap: 6px; flex-wrap: wrap; min-width: 0; }

.ask-chip {
  padding: 4px 10px;
  font-family: inherit;
  font-size: 10.5px;
  color: var(--text-dim);
  background: rgba(34, 211, 238, 0.06);
  border: 1px solid rgba(34, 211, 238, 0.18);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.16s ease;
}

.ask-chip:hover {
  color: var(--text);
  border-color: rgba(34, 211, 238, 0.55);
  background: rgba(34, 211, 238, 0.14);
}

/* 完整会议记录按钮（讨论记录收成一个入口） */
.dlg-more {
  margin-top: 2px;
  padding: 9px 10px;
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 1.2px;
  color: var(--accent);
  background: rgba(34, 211, 238, 0.07);
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.16s ease;
}

.dlg-more:hover:not(:disabled) {
  color: var(--text);
  background: rgba(34, 211, 238, 0.16);
  border-color: rgba(34, 211, 238, 0.6);
}

.dlg-more:disabled { opacity: 0.4; cursor: default; }

/* ---------- 面板内的小标题 / 议程 ---------- */
.dlg-sub {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 2px;
  color: var(--text-dim);
  border-top: 1px solid rgba(34, 211, 238, 0.16);
  padding-top: 8px;
}

.dlg-flow { display: flex; flex-direction: column; gap: 7px; }

.flow-turn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 3px 7px;
  border-radius: 5px;
  background: rgba(34, 211, 238, 0.04);
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.flow-turn.done { opacity: 0.62; }
.flow-turn.active {
  background: rgba(255, 241, 194, 0.12);
  border-color: rgba(255, 241, 194, 0.6);
  opacity: 1;
  box-shadow: 0 0 12px rgba(255, 241, 194, 0.18);
}

.flow-dot { width: 10px; font-size: 10px; color: var(--accent); }
.flow-turn.done .flow-dot { color: #4ade80; }

.flow-name { font-size: 11.5px; color: var(--text); }
.flow-turn.active .flow-name { color: #fff6dc; font-weight: 600; }

.flow-role {
  margin-left: auto;
  padding: 1px 7px;
  font-size: 9.5px;
  letter-spacing: 0.6px;
  border-radius: 9px;
  border: 1px solid currentColor;
  opacity: 0.9;
}

.role-lead { color: #7de8ff; }
.role-contrib { color: #9db8c8; }
.role-challenge { color: #ff9d7a; }
.role-close { color: #c4b5fd; }
/* 自由讨论形态 */
.role-host { color: #ffd79a; }
.role-join { color: #9db8c8; }
.role-differ { color: #ff9d7a; }
.role-ask { color: #8ef7ff; }
.role-answer { color: #b7f5c8; }
.role-modern { color: #c9b6ff; }
.role-origin { color: #a8e6cf; }
.role-extend { color: #9db8c8; }
.role-refute { color: #ff9d7a; }

/* ---------- 出席名单（谁在桌上；主持人标出来） ---------- */
.dlg-panel-list { display: flex; flex-wrap: wrap; gap: 5px; margin: 2px 0 6px; }

.panel-chip {
  padding: 3px 9px;
  font-size: 11px;
  letter-spacing: 0.6px;
  color: var(--text-dim);
  background: rgba(34, 211, 238, 0.07);
  border: 1px solid rgba(34, 211, 238, 0.22);
  border-radius: 20px;
}

/* 主持人：琥珀色，一眼看出谁在主持 */
.panel-chip.host {
  color: #ffe6b8;
  background: rgba(255, 179, 71, 0.13);
  border-color: rgba(255, 179, 71, 0.55);
}

/* 中央核心 X：紫色，与十六位历史人物区分开 */
.panel-chip.core {
  color: #e2d8ff;
  background: rgba(139, 92, 246, 0.16);
  border-color: rgba(139, 92, 246, 0.6);
}

/* X 发言：名牌转紫色调（机器智能，不是历史人物） */
.speaker-x .speaker-name {
  color: #e6dcff;
  text-shadow: 0 0 16px rgba(139, 92, 246, 0.65);
}

/* ---------- 发言面板扩展 ---------- */
.speaker-role {
  margin-left: auto;
  padding: 1px 8px;
  font-size: 10px;
  letter-spacing: 0.8px;
  border-radius: 10px;
  border: 1px solid currentColor;
}

.speaker-flag {
  padding: 1px 7px;
  font-size: 9.5px;
  letter-spacing: 0.4px;
  color: #ffd9a8;
  border: 1px solid rgba(255, 179, 71, 0.6);
  border-radius: 9px;
  white-space: nowrap;
}

.msg-challenge { border-left: 2px solid rgba(255, 157, 122, 0.6); padding-left: 8px; }

/* ---------- 座位清单 / 详情补充 ---------- */
.chip-field {
  margin-left: auto;
  font-size: 9.5px;
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 96px;
}

.seat-era {
  margin: 0;
  font-size: 10.5px;
  line-height: 1.55;
  color: var(--text-dim);
}

@media (max-width: 1180px) {
  .ask { width: min(620px, calc(100vw - 340px)); }
}

@media (max-width: 900px) {
  .ask { width: calc(100vw - 40px); bottom: 44px; }
  .ask-chips { display: none; }
}

/* ==================== 开场：输入议题 → 匹配 → 入座 ==================== */

/* 开场阶段先收起编辑类界面，让画面只剩「屋子 + 空座位 + 议题入口」 */
body.intake .controls,
body.intake #panel-toggle,
body.intake .ask,
body.intake .dlg,
body.intake .leaders { opacity: 0; visibility: hidden; pointer-events: none; }

/* ---------- 议题输入遮罩 ---------- */
.intake {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 50% 42%, rgba(4, 18, 28, 0.08) 0%, rgba(2, 7, 12, 0.58) 76%);
  backdrop-filter: blur(2px);
  transition: opacity 0.42s ease, visibility 0.42s;
}

.intake.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.intake-card {
  position: relative;
  width: min(660px, 92vw);
  padding: 34px 34px 26px;
  text-align: center;
  background: linear-gradient(180deg, rgba(6, 20, 30, 0.92), rgba(3, 11, 17, 0.94));
  border: 1px solid var(--panel-line);
  border-radius: 16px;
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.06), 0 26px 70px rgba(0, 0, 0, 0.55),
    0 0 60px rgba(34, 211, 238, 0.08) inset;
  transform: translateY(10px) scale(0.985);
  animation: intakeIn 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.intake.leaving .intake-card {
  transform: translateY(-8px) scale(0.96);
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

/* 卡片四角的科技感切角 */
.intake-card::before,
.intake-card::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(34, 211, 238, 0.55);
}
.intake-card::before { top: 8px; left: 8px; border-right: none; border-bottom: none; }
.intake-card::after { bottom: 8px; right: 8px; border-left: none; border-top: none; }

@keyframes intakeIn {
  to { transform: none; opacity: 1; }
}

/* 顶部小标题：圆桌数学家 */
.intake-kicker {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 6px;
  color: var(--accent);
  opacity: 0.85;
}

/* 大字提示（醒目） */
.intake-title {
  margin: 0 0 24px;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--text);
  text-shadow: 0 0 30px rgba(34, 211, 238, 0.45);
}

.intake-row { display: flex; gap: 10px; align-items: stretch; }

.intake-input {
  flex: 1;
  min-width: 0;
  padding: 13px 16px;
  font-family: inherit;
  font-size: 14px;
  letter-spacing: 0.3px;
  color: var(--text);
  background: rgba(3, 14, 21, 0.8);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.intake-input::placeholder { color: rgba(136, 173, 193, 0.6); }

.intake-input:focus {
  border-color: rgba(34, 211, 238, 0.8);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.14), 0 0 26px rgba(34, 211, 238, 0.18);
}

.intake-row .btn { flex: 0 0 auto; padding: 0 26px; font-size: 13px; letter-spacing: 2px; }

/* ---------- 参会名单确认（匹配完之后，确认前不开始） ---------- */
.roster {
  position: fixed;
  inset: 0;
  z-index: 32;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(circle at 50% 42%, rgba(4, 18, 28, 0.1) 0%, rgba(2, 7, 12, 0.66) 76%);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
}

.roster.show { opacity: 1; visibility: visible; }

.roster-card {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(820px, 94vw);
  max-height: 88vh;
  overflow: hidden;          /* 整卡不滚动：只让名片区滚，底部按钮永远露在外面 */
  padding: 30px 32px 24px;
  background: linear-gradient(180deg, rgba(6, 20, 30, 0.94), rgba(3, 11, 17, 0.96));
  border: 1px solid var(--panel-line);
  border-radius: 16px;
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.06), 0 26px 70px rgba(0, 0, 0, 0.55);
}

/* 除名片区外，其余都按内容高度固定，不参与挤压 */
.roster-kicker,
.roster-head,
.roster-modes,
.roster-actions,
.roster-go { flex: 0 0 auto; }

/* 矮窗口（笔记本分屏 / 小屏）再收紧一档，保证「确认开始」始终在卡片内 */
@media (max-height: 560px) {
  #roster .roster-card { padding: 16px 18px 12px; }
  #roster .roster-kicker { margin-bottom: 6px; }
  #roster .roster-head { margin-bottom: 8px; }
  #roster .roster-modes { margin-bottom: 8px; }
  #roster .roster-list { min-height: 60px; margin-bottom: 8px; }
  #roster .roster-actions { margin-bottom: 8px; }
  #roster .roster-go { padding: 10px 16px; font-size: 14px; letter-spacing: 2px; }
}

.roster-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 4px;
  color: var(--accent);
  opacity: 0.85;
}

/* 首行：出席人数 + 主持人（同一行，主持人在右侧） */
.roster-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}

/* 讨论方式：自动 / 知识谱系 / 辩论 */
.roster-modes {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  flex-wrap: wrap;
}

.mode-seg {
  display: inline-flex;
  padding: 3px;
  border-radius: 999px;
  background: rgba(3, 14, 21, 0.7);
  border: 1px solid rgba(34, 211, 238, 0.22);
}

.mode-btn {
  padding: 6px 14px;
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--text-dim);
  background: transparent;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.18s, background 0.18s;
}

.mode-btn:hover { color: var(--text); }

.mode-btn.active {
  color: #041018;
  background: linear-gradient(180deg, rgba(34, 211, 238, 0.95), rgba(34, 211, 238, 0.7));
}

.mode-hint { font-size: 12px; color: var(--text-dim); opacity: 0.9; }

.roster-title {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--text);
}

.roster-host { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.roster-label { font-size: 11px; letter-spacing: 2px; color: var(--text-dim); }

.roster-select {
  padding: 7px 10px;
  font-family: inherit;
  font-size: 12px;
  color: var(--text);
  background: rgba(3, 14, 21, 0.85);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 8px;
  outline: none;
}

/* 名片区：每位一张卡（完整图片 + 主要介绍 + 选择原因）；人多时这里上下滚动 */
.roster-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
  flex: 1 1 auto;            /* 占据卡片中间剩余高度 */
  min-height: 96px;
  max-height: none;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 4px;
}

.roster-list::-webkit-scrollbar { width: 6px; }
.roster-list::-webkit-scrollbar-thumb { background: rgba(34, 211, 238, 0.3); border-radius: 3px; }
.roster-list::-webkit-scrollbar-track { background: transparent; }

.roster-item {
  position: relative;
  display: flex;
  gap: 12px;
  padding: 12px;
  background: rgba(34, 211, 238, 0.05);
  border: 1px solid rgba(34, 211, 238, 0.22);
  border-radius: 12px;
}

/* 主持人：琥珀色，一眼看出谁在主持 */
.roster-item.host {
  background: rgba(255, 179, 71, 0.08);
  border-color: rgba(255, 179, 71, 0.55);
}

.ri-pic {
  flex: 0 0 auto;
  width: 66px;
  height: 66px;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(3, 14, 21, 0.6);
  border: 1px solid rgba(34, 211, 238, 0.25);
}

.ri-pic img { width: 100%; height: 100%; object-fit: cover; display: block; }

.ri-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.ri-top { display: flex; align-items: center; gap: 8px; }
.ri-name { font-size: 14px; font-weight: 600; letter-spacing: 1px; color: var(--text); }
.ri-host {
  padding: 1px 7px;
  font-size: 9.5px;
  letter-spacing: 1px;
  color: #ffe6b8;
  background: rgba(255, 179, 71, 0.16);
  border: 1px solid rgba(255, 179, 71, 0.55);
  border-radius: 9px;
}
.ri-meta { font-size: 10.5px; letter-spacing: 0.5px; color: var(--accent); opacity: 0.85; }
.ri-intro { margin: 2px 0 0; font-size: 11.5px; line-height: 1.6; color: #b7d3df; }
.ri-why { margin: 0; font-size: 10.5px; line-height: 1.5; color: #ffd9a8; }

.ri-x {
  position: absolute;
  top: 7px;
  right: 7px;
  width: 20px;
  height: 20px;
  line-height: 1;
  font-size: 11px;
  color: var(--text-dim);
  background: none;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}
.ri-x:hover:not(:disabled) { color: #ff9d7a; background: rgba(255, 157, 122, 0.14); }
.ri-x:disabled { opacity: 0.2; cursor: default; }

/* 添加科学家 / 取消：同一行，小按钮 */
.roster-actions { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; }
.roster-actions .btn { flex: 1 1 0; padding: 8px 12px; font-size: 12px; }

.roster-add { position: relative; flex: 1 1 0; display: flex; }
.roster-add .btn { width: 100%; }

/* 确认，开始：通栏的大按钮 */
.roster-go { width: 100%; padding: 14px 20px; font-size: 15px; letter-spacing: 3px; }

/* 候选名单弹窗：点「添加科学家」直接铺出来，点名字即加入（可连点） */
.roster-pool {
  position: absolute;
  left: 0;
  bottom: calc(100% + 6px);
  z-index: 6;
  display: none;
  width: min(440px, 92vw);
  max-height: 220px;
  overflow: auto;
  padding: 10px 12px 12px;
  background: rgba(4, 16, 24, 0.98);
  border: 1px solid rgba(34, 211, 238, 0.34);
  border-radius: 12px;
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.6);
}

.roster-pool.show { display: block; }

.pool-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--text-dim);
}

.pool-close {
  padding: 0 4px;
  font-size: 11px;
  color: var(--text-dim);
  background: none;
  border: none;
  cursor: pointer;
}

.pool-close:hover { color: var(--text); }

.pool-list { display: flex; flex-wrap: wrap; gap: 6px; }

.pool-chip {
  padding: 5px 11px;
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.6px;
  color: var(--text-dim);
  background: rgba(34, 211, 238, 0.07);
  border: 1px solid rgba(34, 211, 238, 0.24);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.16s ease;
}

.pool-chip:hover {
  color: #06181f;
  background: rgba(157, 240, 255, 0.92);
  border-color: #bdfaff;
}

.pool-empty { font-size: 12px; color: var(--text-dim); }

/* ---------- 学习报告弹窗 ---------- */
.report-modal {
  position: fixed;
  inset: 0;
  z-index: 34;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(circle at 50% 42%, rgba(4, 18, 28, 0.12) 0%, rgba(2, 7, 12, 0.72) 76%);
  backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
}

.report-modal.show { opacity: 1; visibility: visible; }

.report-card {
  display: flex;
  flex-direction: column;
  width: min(720px, 94vw);
  max-height: 86vh;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(8, 22, 32, 0.97), rgba(3, 11, 17, 0.98));
  border: 1px solid var(--panel-line);
  border-radius: 16px;
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.08), 0 30px 80px rgba(0, 0, 0, 0.6);
}

.report-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px 12px;
  border-bottom: 1px solid rgba(34, 211, 238, 0.16);
}

.report-kicker {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 4px;
  color: var(--accent);
  opacity: 0.9;
}

.report-close {
  padding: 2px 6px;
  font-size: 13px;
  color: var(--text-dim);
  background: none;
  border: none;
  cursor: pointer;
}

.report-close:hover { color: var(--text); }

.report-body { flex: 1; min-height: 0; overflow-y: auto; padding: 18px 22px 6px; }

.rp-topic { margin: 0 0 6px; font-size: 20px; font-weight: 600; letter-spacing: 1px; color: var(--text); }
.rp-meta { margin: 0 0 16px; font-size: 11.5px; letter-spacing: 0.6px; color: var(--text-dim); }

.rp-h { margin: 16px 0 8px; font-size: 12px; letter-spacing: 2px; color: var(--accent); }

.rp-p { margin: 0; font-size: 13.5px; line-height: 1.85; color: #cfe7f2; }

.rp-p.lead {
  padding: 12px 14px;
  background: rgba(34, 211, 238, 0.07);
  border-left: 2px solid rgba(34, 211, 238, 0.6);
  border-radius: 0 8px 8px 0;
}

.rp-ul, .rp-quotes { margin: 0; padding-left: 18px; font-size: 13px; line-height: 1.85; color: #cfe7f2; }
.rp-ul li, .rp-quotes li { margin-bottom: 6px; }
.rp-ul.ask li { color: #8ef7ff; }
.rp-ul.next li { color: #ffd9a8; }
.rp-quotes li b { color: #eaffff; font-weight: 600; }

.report-foot {
  gap: 10px;
  padding: 14px 22px 18px;
  border-top: 1px solid rgba(34, 211, 238, 0.16);
  display: flex;
  justify-content: flex-end;
}

/* 「总结会议」：琥珀色，和「发言」区分开 */
#ask-summarize {
  color: #ffd9a8;
  background: rgba(255, 179, 71, 0.1);
  border-color: rgba(255, 179, 71, 0.45);
}

#ask-summarize:hover {
  color: #1a1200;
  background: rgba(255, 196, 110, 0.92);
  border-color: #ffd79a;
}

/* ---------- 匹配过渡遮罩 ---------- */
.casting {
  position: fixed;
  inset: 0;
  z-index: 25;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  background: radial-gradient(circle at 50% 44%, rgba(4, 16, 26, 0.3) 0%, rgba(2, 7, 12, 0.7) 72%);
  backdrop-filter: blur(2px);
  transition: opacity 0.45s ease, visibility 0.45s;
}

.casting.show { opacity: 1; visibility: visible; }

/* 一条自下而上的扫描光带 */
.casting::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 26vh;
  background: linear-gradient(to bottom, transparent, rgba(34, 211, 238, 0.1), transparent);
  animation: castSweep 1.6s ease-in-out infinite;
}

@keyframes castSweep {
  0% { top: 100%; opacity: 0; }
  25% { opacity: 1; }
  100% { top: -30%; opacity: 0; }
}

.casting-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.casting-ring {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  border: 1px solid rgba(34, 211, 238, 0.16);
  border-top-color: var(--accent);
  border-left-color: rgba(139, 92, 246, 0.75);
  box-shadow: 0 0 34px rgba(34, 211, 238, 0.3);
  animation: spin 0.9s linear infinite;
}

.casting-text {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--text);
}

.casting-dots::after {
  content: '…';
  animation: castingPulse 1.2s ease-in-out infinite;
}

@keyframes castingPulse {
  0%, 100% { opacity: 0.25; }
  50% { opacity: 1; }
}

/* 「本次出席 N 位」——独立浮层，入座时留在画面上 */
.casting-count {
  position: fixed;
  left: 50%;
  bottom: 92px;
  transform: translateX(-50%) translateY(8px);
  z-index: 26;
  margin: 0;
  padding: 7px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--select);
  background: rgba(6, 17, 26, 0.66);
  border: 1px solid rgba(255, 179, 71, 0.35);
  border-radius: 20px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s;
}

.casting-count.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%);
}

/* ---------- 语音状态提示 ---------- */
.voice-badge {
  position: fixed;
  left: 50%;
  top: 96px;
  transform: translateX(-50%) translateY(-6px);
  z-index: 22;
  max-width: min(560px, 84vw);
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--text-dim);
  background: rgba(6, 17, 26, 0.72);
  border: 1px solid var(--panel-line);
  border-radius: 18px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}

.voice-badge.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%);
}

.voice-badge.speaking {
  color: var(--accent);
  border-color: rgba(34, 211, 238, 0.45);
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.18);
  animation: voicePulse 1.6s ease-in-out infinite;
}

.voice-badge.warn {
  color: #ffcf9a;
  border-color: rgba(255, 179, 71, 0.5);
  box-shadow: 0 0 18px rgba(255, 179, 71, 0.16);
}

@keyframes voicePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.62; }
}

/* ---------- 打印：只出「会议报告」本体，白底黑字 ---------- */
@page { margin: 16mm 18mm; }

@media print {
  body { background: #fff !important; }
  body > *:not(#report) { display: none !important; }

  #report.report-modal {
    position: static !important;
    display: block !important;
    padding: 0 !important;
    background: none !important;
    backdrop-filter: none !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .report-card {
    width: auto !important;
    max-height: none !important;
    overflow: visible !important;
    background: #fff !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
  }

  .report-head,
  .report-foot { display: none !important; }

  .report-body { overflow: visible !important; padding: 0 !important; }

  .rp-topic { color: #101820 !important; }
  .rp-meta { color: #6b7c8a !important; }
  .rp-h { color: #0b6b7a !important; }
  .rp-p,
  .rp-ul,
  .rp-quotes { color: #1d2733 !important; }
  .rp-p.lead { background: #eef8fa !important; border-left-color: #22b8cf !important; }
  .rp-ul.ask li { color: #0b6b7a !important; }
  .rp-ul.next li { color: #a9711c !important; }
  .rp-quotes li b { color: #101820 !important; }
}

/* ---------- 主持人邀请提问者发言（会中弹窗） ---------- */
.invite-modal {
  position: fixed;
  inset: 0;
  z-index: 33;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(circle at 50% 42%, rgba(4, 18, 28, 0.12) 0%, rgba(2, 7, 12, 0.72) 76%);
  backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
}

.invite-modal.show { opacity: 1; visibility: visible; }

.invite-card {
  width: min(560px, 92vw);
  padding: 24px 26px 22px;
  background: linear-gradient(180deg, rgba(8, 22, 32, 0.97), rgba(3, 11, 17, 0.98));
  border: 1px solid rgba(255, 179, 71, 0.45);
  border-radius: 16px;
  box-shadow: 0 0 0 1px rgba(255, 179, 71, 0.12), 0 26px 70px rgba(0, 0, 0, 0.6);
}

.invite-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 4px;
  color: var(--select);
  opacity: 0.9;
}

.invite-q {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: #ffe9c8;
}

.invite-row { display: flex; gap: 10px; align-items: center; }
.invite-row .btn { flex: 0 0 auto; }

.invite-input {
  flex: 1;
  min-width: 0;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 13px;
  color: var(--text);
  background: rgba(3, 14, 21, 0.66);
  border: 1px solid rgba(255, 179, 71, 0.35);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.invite-input:focus {
  border-color: rgba(255, 179, 71, 0.8);
  box-shadow: 0 0 0 3px rgba(255, 179, 71, 0.12);
}

.invite-input::placeholder { color: rgba(136, 173, 193, 0.75); }