/* =============================================================
 * 三人象棋 · 样式
 * 传统木质棋盘 + 象牙棋子
 * ============================================================= */

:root {
  --bg: #1c1a17;
  --bg-soft: #26231f;
  --panel: #2e2a25;
  --panel-line: #453f37;
  --text: #e8ddcc;
  --text-dim: #a89b88;
  --gold: #d4a94a;
  --red: #c0392b;
  --blue: #2e86c1;
  --green: #27ae60;
  --radius: 12px;
}

* { box-sizing: border-box; }

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

body {
  background:
    radial-gradient(1200px 600px at 50% -10%, #2f2a23 0%, transparent 70%),
    var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

#app {
  max-width: 1360px;
  margin: 0 auto;
  padding: 20px 24px 32px;
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

/* ---------------- 顶栏 ---------------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--panel-line);
  margin-bottom: 20px;
}

.brand { display: flex; align-items: center; gap: 14px; }

.brand-mark {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(145deg, #f3e6cc, #d8c4a0);
  color: var(--red);
  font-family: "KaiTi", "STKaiti", serif;
  font-size: 28px;
  font-weight: bold;
  box-shadow: 0 3px 10px rgba(0,0,0,0.45);
}

.brand-text h1 {
  margin: 0;
  font-size: 20px;
  letter-spacing: 2px;
  font-weight: 600;
}

.brand-text p {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.topbar-actions { display: flex; gap: 10px; }

/* ---------------- 按钮 ---------------- */

.btn {
  padding: 9px 18px;
  border-radius: 8px;
  border: 1px solid var(--panel-line);
  background: var(--panel);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.18s ease;
}

.btn:hover {
  background: #3a342d;
  border-color: var(--gold);
  color: #fff;
}

.btn-primary {
  background: linear-gradient(145deg, #b8893a, #96692a);
  border-color: #c9a04f;
  color: #1c1a17;
  font-weight: 600;
}

.btn-primary:hover {
  background: linear-gradient(145deg, #c99a48, #a5772f);
  color: #141210;
}

.btn-ghost { background: transparent; }

/* ---------------- 设置面板 ---------------- */

.settings { display: flex; flex-direction: column; gap: 18px; }

.settings-group {
  padding: 14px 16px;
  border-radius: 10px;
  background: #262220;
  border: 1px solid var(--panel-line);
}

.settings-group h3 {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 2px;
  font-weight: 600;
}

.switch-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  cursor: pointer;
  padding: 6px 0;
}

.switch-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--gold);
  cursor: pointer;
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-dim);
  padding: 6px 0;
}

.slider-row input[type="range"] {
  flex: 1;
  accent-color: var(--gold);
  cursor: pointer;
}

.slider-val {
  width: 44px;
  text-align: right;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
}

.sfx-list {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--panel-line);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sfx-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: var(--text);
}

.sfx-name { color: var(--text-dim); }

/* 音乐按钮：关闭时变暗 */
#btn-music.is-off {
  opacity: 0.55;
  border-style: dashed;
}

.btn-mini {
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--panel-line);
  background: #332e28;
  color: var(--text-dim);
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-mini:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ---------------- 布局：斗地主式座次 ---------------- */

/*
 * 牌桌布局：
 *   左列 = 2 号座位        中列 = 棋盘 + 下方 0 号座位        右列 = 1 号座位 + 日志
 * 与斗地主一致：自己（0 号）在下方，下家（1 号）在右侧，上家（2 号）在左侧。
 */
.table-layout {
  display: grid;
  grid-template-columns: 216px minmax(0, 1fr) 216px;
  gap: 18px;
  align-items: start;
}

.seat-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

/* 侧边座位垂直居中于棋盘区域 */
.seat-col-left,
.seat-col-right {
  padding-top: 64px;
}

.seat-slot { min-width: 0; }

/* 手机端座位条：桌面端隐藏 */
.mobile-seat-bar {
  display: none;
  grid-area: seats;
}

.seat-slot-bottom {
  width: 100%;
  max-width: 420px;
  margin-top: 2px;
}

.board-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  min-width: 0;
  width: 100%;
}

/* 棋盘外层：限制最大宽度，保证三列布局平衡 */
.canvas-wrap {
  padding: 12px;
  border-radius: 16px;
  background: linear-gradient(160deg, #3a3128, #241f19);
  box-shadow:
    0 18px 40px rgba(0,0,0,0.55),
    inset 0 1px 0 rgba(255,255,255,0.06);
  max-width: 100%;
  display: flex;
  justify-content: center;
}

.canvas-wrap canvas {
  max-width: 100%;
  height: auto;
}

/* ---------------- 回合横幅 ---------------- */

.turn-banner {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: var(--radius);
  background: var(--bg-soft);
  border: 1px solid var(--panel-line);
  font-size: 15px;
}

.turn-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(255,255,255,0.06);
  flex: none;
}

.turn-sub {
  margin-left: auto;
  font-size: 13px;
  color: var(--text-dim);
}

/* ---------------- 棋盘 ---------------- */

#board {
  display: block;
  border-radius: 10px;
  cursor: pointer;
  touch-action: manipulation;
  max-width: 100%;
  height: auto;
}

/* ---------------- 选择条 ---------------- */

.selection-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--gold);
  font-size: 14px;
}

.sel-label { color: var(--text-dim); }

/* display:flex 会覆盖 [hidden] 的默认样式，这里显式压掉 */
.selection-bar[hidden] { display: none; }

/* ---------------- 无合法操作提示条 ---------------- */

.no-action-bar {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: linear-gradient(145deg, #3a2f1e, #2e2519);
  border: 1px solid #b8893a;
  font-size: 14px;
  animation: noActionIn 0.28s ease;
}

.no-action-bar[hidden] { display: none; }

@keyframes noActionIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

.noaction-icon {
  font-size: 18px;
  color: var(--gold);
  flex: none;
}

.noaction-text {
  flex: 1;
  color: #e8d9b8;
  line-height: 1.5;
}

.no-action-bar .btn {
  padding: 7px 16px;
  font-size: 13px;
  flex: none;
}

/* ---------------- 悔棋投票条 ---------------- */

.undo-bar {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: linear-gradient(145deg, #22313f, #1b2833);
  border: 1px solid #3f7fa8;
  font-size: 14px;
  animation: noActionIn 0.28s ease;
}

.undo-bar[hidden] { display: none; }

.undo-icon {
  font-size: 18px;
  color: #7fc4f0;
  flex: none;
}

.undo-text {
  flex: 1;
  color: #cfe4f2;
  line-height: 1.5;
}

.undo-bar .btn {
  padding: 7px 16px;
  font-size: 13px;
  flex: none;
}

/* ---------------- 侧栏 ---------------- */

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: var(--radius);
  padding: 16px;
}

.panel-title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--gold);
  text-transform: uppercase;
}

/* ---------------- 玩家卡片 ---------------- */

.players { display: flex; flex-direction: column; gap: 10px; }

.player-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 12px;
  background: #2a2621;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.player-card.is-turn {
  border-color: var(--gold);
  background: #332c22;
  box-shadow: 0 0 0 1px rgba(212,169,74,0.25), 0 4px 16px rgba(0,0,0,0.3);
}

.player-card.is-dead {
  opacity: 0.45;
  filter: grayscale(0.8);
}

.player-card.is-me { border-color: #5a4d2a; }

/* 卡片头部：座位号 + 名字 + 操作 */
.player-head {
  display: flex;
  align-items: center;
  gap: 9px;
}

.player-seat {
  width: 24px; height: 24px;
  flex: none;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
}

.player-name {
  font-size: 14px;
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.player-faction {
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 5px;
}

.player-faction .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
}

/* 场上剩余 / 已吃：图标行 */
.icon-row {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  min-height: 30px;
}

.icon-row-label {
  flex: none;
  width: 30px;
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  padding-top: 7px;
  line-height: 1;
}

.icon-row-body {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  align-items: center;
  min-width: 0;
}

.faction-total {
  margin-left: 6px;
  font-size: 11px;
  color: var(--gold);
  opacity: 0.85;
}

/* 棋子小图标（放大版）+ ×N 角标 */
.cap-piece {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(145deg, #fffdf6, #e8d5b0);
  border: 1.5px solid #b08a52;
  box-shadow: 0 1px 3px rgba(0,0,0,0.4);
  flex: none;
}

.cap-glyph {
  font-family: "KaiTi", "STKaiti", serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--red);
  line-height: 1;
  transform: translateY(0.5px);
}

/* ×N 角标：右下角，醒目 */
.cap-count {
  position: absolute;
  right: -7px;
  bottom: -5px;
  font-style: normal;
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: 11px;
  font-weight: 800;
  color: #1a1a1a;
  background: var(--gold);
  border-radius: 8px;
  padding: 0 4px;
  line-height: 1.35;
  box-shadow: 0 1px 3px rgba(0,0,0,0.55);
  white-space: nowrap;
}

.cap-empty {
  color: #5c5347;
  font-size: 13px;
  padding-top: 6px;
}

/* 未翻开的棋子：不显示兵种，用 ? 表示 */
.cap-piece.is-hidden {
  background: linear-gradient(145deg, #7a6042, #4e3d28);
  border-color: #8a6d47;
}

.cap-piece.is-hidden .cap-glyph {
  color: #e8d5b0;
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
}

/* 紧凑卡片（左右侧座位）：图标略小 */
.player-card.is-compact .cap-piece {
  width: 25px;
  height: 25px;
  border-width: 1.2px;
}
.player-card.is-compact .cap-glyph { font-size: 15px; }
.player-card.is-compact .cap-count { font-size: 10px; right: -6px; bottom: -4px; }
.player-card.is-compact .icon-row-label { width: 26px; font-size: 9px; }
.player-card.is-compact .icon-row { min-height: 26px; }

/* 侧边紧凑卡片：横向排布更省空间 */
.player-card.is-compact { padding: 10px 12px; gap: 6px; }
.player-card.is-compact .player-name { font-size: 13px; }
.player-card.is-compact .stat-value { font-size: 14px; }

.tag-ai, .tag-dead {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.tag-ai { background: #2c4a63; color: #7fc4f0; }
.tag-dead { background: #4a2a26; color: #e08a7d; }

/* ---------------- 日志 ---------------- */

.panel-log { flex: 1; display: flex; flex-direction: column; min-height: 0; }

.log {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 420px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  scrollbar-width: thin;
}

.log::-webkit-scrollbar { width: 6px; }
.log::-webkit-scrollbar-thumb { background: #4a433a; border-radius: 3px; }

.log-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 5px 8px;
  border-radius: 6px;
  background: #262220;
  line-height: 1.5;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-3px); }
  to { opacity: 1; transform: none; }
}

.log-seat {
  width: 18px; height: 18px;
  flex: none;
  border-radius: 4px;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}

.log-text { flex: 1; word-break: break-word; }

/* ---------------- 弹窗 ---------------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.68);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  z-index: 100;
  padding: 20px;
}

.modal-backdrop[hidden] { display: none; }

.modal {
  width: min(520px, 100%);
  max-height: 84vh;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 16px;
  padding: 24px 26px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.7);
  animation: modalIn 0.22s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to { opacity: 1; transform: none; }
}

.modal h2 {
  margin: 0 0 14px;
  font-size: 20px;
  letter-spacing: 1px;
}

.modal-body {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.modal-body h3 {
  font-size: 14px;
  color: var(--gold);
  margin: 16px 0 6px;
  letter-spacing: 1px;
}

.modal-body h3:first-child { margin-top: 0; }

.modal-body ul { padding-left: 20px; margin: 6px 0; }

.modal-body li { margin: 3px 0; }

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 22px;
}

.result-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
}

.result-list li {
  padding: 7px 12px;
  border-radius: 8px;
  background: #262220;
  margin-bottom: 6px;
}

/* ---------------- 联机大厅 ---------------- */

.online-form { display: flex; flex-direction: column; gap: 14px; }

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

.field > span {
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}

.field input {
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--panel-line);
  background: #232019;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.18s ease;
}

.field input:focus { border-color: var(--gold); }

.online-hint {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-dim);
  background: #262220;
  border-left: 3px solid var(--panel-line);
  padding: 10px 12px;
  border-radius: 6px;
}

.online-hint code {
  background: #1a1815;
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--gold);
  font-size: 12px;
}

.online-actions { display: flex; gap: 10px; margin-top: 4px; }

.online-actions .btn { flex: 1; }

.loading { color: var(--text-dim); text-align: center; padding: 16px 0; }

/* 大厅 */

.lobby { display: flex; flex-direction: column; gap: 16px; }

.invite-box {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border-radius: 10px;
  background: linear-gradient(145deg, #2f2a22, #262220);
  border: 1px solid var(--gold);
}

.invite-label {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 2px;
}

.invite-code {
  flex: 1;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 10px;
  color: var(--gold);
  font-family: "Consolas", "Courier New", monospace;
  text-align: center;
}

.lobby-seats { display: flex; flex-direction: column; gap: 8px; }

.lobby-seat {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 9px;
  background: #262220;
  border: 1px dashed var(--panel-line);
  color: var(--text-dim);
  font-size: 14px;
}

.lobby-seat.filled {
  border-style: solid;
  border-color: #4a4339;
  color: var(--text);
}

.lobby-seat-no {
  width: 24px; height: 24px;
  flex: none;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
}

.lobby-seat-name em {
  font-style: normal;
  color: var(--gold);
  font-size: 12px;
}

/* 大厅：AI 座位 / 空位 / 房主标记 */
.lobby-seat.is-ai {
  border-style: solid;
  border-color: #3f5f7a;
  background: #22303c;
}

.lobby-ai { color: #7fc4f0; }

.lobby-empty { color: #6b6156; font-style: italic; }

.lobby-tag {
  font-style: normal;
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 4px;
  background: #3a3320;
  color: var(--gold);
  margin-left: 4px;
}

.slot-ai { flex: none; margin-left: auto; }

.tag-me {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  background: #3a3320;
  color: var(--gold);
  letter-spacing: 0.5px;
}

.player-card.is-me { border-color: #5a4d2a; }

/* ---------------- 响应式 ---------------- */

@media (max-width: 1180px) {
  /* 收窄侧栏，让棋盘尽量大 */
  .table-layout { grid-template-columns: 178px minmax(0, 1fr) 178px; gap: 12px; }
  .seat-col-left, .seat-col-right { padding-top: 48px; }
  .player-card.is-compact { padding: 8px 10px; }
  .player-card.is-compact .stat-value { font-size: 13px; }
  .cap-piece { width: 17px; height: 17px; font-size: 10px; }
}

@media (max-width: 960px) {
  /* 窄屏：座位改为横向排布在棋盘上方/下方 */
  .table-layout {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .seat-col-left, .seat-col-right { padding-top: 0; }
  .seat-col-left { order: 1; }
  .board-area { order: 2; }
  .seat-col-right { order: 3; }
  .seat-col-left .seat-slot,
  .seat-col-right .seat-slot { flex: 1; }
  .seat-col-left, .seat-col-right { flex-direction: row; flex-wrap: wrap; }
  .seat-col-right .panel-log { flex: 1 1 100%; }
  .log { max-height: 220px; }
}

@media (max-width: 720px) {
  #app { padding: 12px; }
  .canvas-wrap { padding: 6px; overflow-x: auto; }
  .topbar { flex-wrap: wrap; gap: 10px; }
  .seat-col-left, .seat-col-right { flex-direction: column; }
}

/* =============================================================
 * 手机 / 平板适配
 * ============================================================= */

/* 触控优化：去掉点击高亮、加快响应 */
#board, .btn, .btn-mini {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

/* 防止手机端双击缩放 */
html { -webkit-text-size-adjust: 100%; }

@media (max-width: 900px) {
  #app { padding: 8px 8px 16px; }

  /* 顶栏：标题缩小，按钮换行 */
  .topbar {
    flex-wrap: wrap;
    gap: 8px;
    padding-bottom: 8px;
    margin-bottom: 8px;
  }
  .brand-mark { width: 34px; height: 34px; font-size: 19px; }
  .brand-text h1 { font-size: 15px; }
  .brand-text p { font-size: 10px; }

  .topbar-actions { width: 100%; gap: 5px; }
  .topbar-actions .btn {
    flex: 1 1 auto;
    padding: 7px 6px;
    font-size: 12px;
    min-width: 54px;
  }

  /* =========================================================
   * 手机端重排：三个座位合成顶部一行，棋盘占主体
   * ========================================================= */
  .table-layout {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-areas:
      "seats"
      "board"
      "log";
    gap: 8px;
  }

  /* 座位条：三列横排 */
  .mobile-seat-bar {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
  }

  /* 桌面端的左右座位列在手机上隐藏（内容已搬到座位条） */
  .seat-col-left,
  .seat-col-right {
    display: contents;
    padding-top: 0;
  }
  .seat-col-left .seat-slot,
  .seat-slot-bottom { display: none; }

  .board-area { grid-area: board; }
  .seat-col-right .panel-log { grid-area: log; }

  .board-area { gap: 8px; }

  /* 座位卡片统一紧凑样式 */
  .player-card {
    padding: 7px 8px;
    gap: 4px;
    border-radius: 9px;
  }
  .player-head { gap: 5px; }
  .player-seat { width: 19px; height: 19px; font-size: 10px; }
  .player-name { font-size: 11.5px; gap: 3px; }
  .player-faction { font-size: 10px; }
  .faction-total { display: none; }
  .toggle-ai { padding: 2px 6px; font-size: 10px; }

  .icon-row { min-height: 18px; gap: 3px; }
  .icon-row-label { width: 20px; font-size: 8.5px; padding-top: 3px; }
  .icon-row-body { gap: 3px; }
  .player-card .cap-piece { width: 18px; height: 18px; border-width: 1px; }
  .player-card .cap-glyph { font-size: 11px; }
  .player-card .cap-count { font-size: 8px; right: -4px; bottom: -2px; padding: 0 2px; }

  /* 棋盘占满宽度 */
  .canvas-wrap { padding: 4px; width: 100%; }
  #board { width: 100% !important; height: auto !important; }

  /* 回合横幅缩小 */
  .turn-banner { padding: 7px 10px; font-size: 12.5px; }
  .turn-sub { font-size: 10.5px; }

  /* 提示条 / 选择条 */
  .selection-bar, .no-action-bar, .undo-bar {
    flex-wrap: wrap;
    padding: 8px 10px;
    font-size: 12px;
    gap: 6px;
  }
  .selection-bar .btn-mini,
  .no-action-bar .btn,
  .undo-bar .btn {
    padding: 9px 12px;
    font-size: 12px;
    min-height: 38px;
  }

  /* 弹窗全屏化 */
  .modal {
    width: 100%;
    max-width: 100%;
    max-height: 92vh;
    border-radius: 14px;
    padding: 16px 14px;
  }
  .modal-actions .btn {
    flex: 1;
    padding: 12px 14px;
    font-size: 15px;
  }
  .invite-code { font-size: 22px; letter-spacing: 5px; }

  /* 日志变矮 */
  .log { max-height: 120px; }
}

/* 超窄屏（小手机竖屏）：座位卡片再压缩 */
@media (max-width: 430px) {
  .player-card { padding: 6px 7px; }
  .player-card .cap-piece { width: 17px; height: 17px; }
  .player-card .cap-glyph { font-size: 11px; }
  .icon-row-label { display: none; }        /* 极窄时隐藏"场上/已吃"文字 */
  .player-name { font-size: 11px; }
  .topbar-actions .btn { min-width: 52px; font-size: 11px; padding: 7px 5px; }
}

/* 横屏手机：棋盘优先，侧栏收窄 */
@media (max-height: 500px) and (orientation: landscape) {
  #app { padding: 6px 8px; }
  .topbar { padding-bottom: 6px; margin-bottom: 8px; }
  .brand-text p { display: none; }
  .turn-banner { padding: 6px 10px; font-size: 13px; }
  .log { max-height: 120px; }
  .player-card { padding: 7px 9px; }
}

/* 触摸设备：加大可点区域 */
@media (hover: none) and (pointer: coarse) {
  .btn { min-height: 40px; }
  .btn-mini { min-height: 32px; padding: 6px 12px; }
}