/* ============================================================
   象棋联机 - 样式
   主题 token 沿用平台 theme.css,只补足游戏所需样式
   ============================================================ */

.xq-app {
  --xq-board:        #e9c989;
  --xq-board-2:      #d3a85f;
  --xq-board-line:   #4a2e16;
  --xq-board-river:  rgba(74, 46, 22, .12);
  --xq-stone-red:    #c41e1e;
  --xq-stone-red-2:  #7a0d0d;
  --xq-stone-black:  #1f1f1f;
  --xq-stone-black-2:#0a0a0a;

  --xq-pri:        var(--accent);
  --xq-pri-ink:    var(--accent-ink);
  --xq-ok:         var(--state-ok);
  --xq-err:        var(--state-err);
  --xq-warn:       var(--state-warn);
  --xq-info:       var(--state-info);

  --xq-surface:    var(--bg-surface);
  --xq-elev:       var(--bg-elev);
  --xq-bg:         var(--bg-base);
  --xq-line:       var(--line-soft);
  --xq-line-2:     var(--line-strong);
  --xq-fg:         var(--fg-strong);
  --xq-fg-2:       var(--fg-normal);
  --xq-fg-3:       var(--fg-muted);

  --xq-radius:     12px;
  --xq-radius-sm:  8px;
  --xq-radius-lg:  18px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--xq-bg);
  color: var(--xq-fg);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
.xq-app { width: 100%; height: 100%; }

/* ============================================================
   屏幕切换
   ============================================================ */
.xq-screen {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.xq-screen.is-active { display: flex; }

/* ============================================================
   大厅
   ============================================================ */
.xq-lobby {
  width: 100%;
  max-width: 560px;
  background: var(--xq-surface);
  border: 1px solid var(--xq-line);
  border-radius: var(--xq-radius-lg);
  box-shadow: 0 1px 0 rgba(255,255,255,.5) inset, 0 20px 48px rgba(0,0,0,.08);
  overflow: hidden;
}
.xq-lobby-head {
  padding: 28px 28px 18px;
  border-bottom: 1px dashed var(--xq-line);
}
.xq-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.xq-title-cn {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--xq-fg);
}
.xq-title-en {
  font-family: ui-monospace, "JetBrains Mono", "SFMono-Regular", "Consolas", monospace;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--xq-fg-3);
  text-transform: uppercase;
}
.xq-subtitle {
  margin-top: 8px;
  font-size: 13px;
  color: var(--xq-fg-3);
  letter-spacing: .5px;
  line-height: 1.6;
}

.xq-lobby-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 22px;
}
.xq-card {
  position: relative;
  padding: 18px;
  background: var(--xq-elev);
  border: 1px solid var(--xq-line);
  border-radius: var(--xq-radius);
  cursor: pointer;
  transition: transform .15s var(--ease), border-color .15s var(--ease);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 110px;
}
.xq-card:hover {
  border-color: var(--xq-pri);
  transform: translateY(-1px);
}
.xq-card-ico {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--xq-pri);
}
.xq-card-ico svg { width: 18px; height: 18px; }
.xq-card-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--xq-fg);
  letter-spacing: .5px;
}
.xq-card-desc {
  font-size: 12px;
  color: var(--xq-fg-3);
  line-height: 1.5;
}

.xq-toggle-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
  font-size: 12px;
  color: var(--xq-fg-3);
  cursor: pointer;
  user-select: none;
}
.xq-toggle-row input { display: none; }
.xq-toggle-track {
  width: 32px;
  height: 18px;
  background: var(--xq-line-2);
  border-radius: 999px;
  position: relative;
  transition: background .15s;
}
.xq-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: var(--xq-surface);
  border-radius: 50%;
  transition: transform .15s;
  box-shadow: 0 1px 2px rgba(0,0,0,.2);
}
.xq-toggle-row input:checked + .xq-toggle-track { background: var(--xq-pri); }
.xq-toggle-row input:checked + .xq-toggle-track .xq-toggle-thumb { transform: translateX(14px); }

.xq-lobby-foot {
  padding: 12px 22px 20px;
  text-align: center;
}
.xq-foot-pill {
  display: inline-block;
  padding: 5px 12px;
  background: var(--xq-elev);
  border: 1px solid var(--xq-line);
  border-radius: 999px;
  font-size: 11px;
  color: var(--xq-fg-3);
  letter-spacing: .5px;
}

/* ============================================================
   创建中 / 等待中 / 加入表单
   ============================================================ */
.xq-creating {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.xq-spinner {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2.5px solid var(--xq-line);
  border-top-color: var(--xq-pri);
  animation: xq-spin .9s linear infinite;
}
@keyframes xq-spin { to { transform: rotate(360deg); } }
.xq-creating-text {
  font-size: 13px;
  color: var(--xq-fg-3);
  letter-spacing: 1px;
}

.xq-waiting {
  width: 100%;
  max-width: 460px;
  background: var(--xq-surface);
  border: 1px solid var(--xq-line);
  border-radius: var(--xq-radius-lg);
  padding: 28px 24px;
  text-align: center;
}
.xq-waiting-eyebrow {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--xq-fg-3);
  margin-bottom: 12px;
}
.xq-room-code-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: var(--xq-elev);
  border: 1px solid var(--xq-line);
  border-radius: var(--xq-radius);
}
.xq-room-code-label {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--xq-fg-3);
}
.xq-room-code {
  font-family: ui-monospace, "JetBrains Mono", monospace;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 4px;
  color: var(--xq-fg);
}
.xq-waiting-status {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--xq-fg-2);
}
.xq-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--xq-info);
}
.xq-dot-pulse {
  animation: xq-pulse 1.4s ease-in-out infinite;
}
@keyframes xq-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .3; transform: scale(.7); }
}
.xq-waiting-hint {
  margin-top: 10px;
  font-size: 12px;
  color: var(--xq-fg-3);
}

.xq-btn-link {
  margin-top: 16px;
  background: transparent;
  border: none;
  color: var(--xq-fg-3);
  font-size: 12px;
  cursor: pointer;
  padding: 4px 8px;
  letter-spacing: .5px;
}
.xq-btn-link:hover { color: var(--xq-fg); }

.xq-join {
  width: 100%;
  max-width: 380px;
  background: var(--xq-surface);
  border: 1px solid var(--xq-line);
  border-radius: var(--xq-radius-lg);
  overflow: hidden;
}
.xq-join-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--xq-line);
}
.xq-btn-back {
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--xq-fg-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.xq-btn-back:hover {
  background: var(--xq-elev);
  border-color: var(--xq-line);
}
.xq-join-title {
  font-size: 14px;
  font-weight: 700;
}
.xq-join-body {
  padding: 18px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.xq-field-label {
  font-size: 12px;
  color: var(--xq-fg-3);
  letter-spacing: .5px;
}
.xq-input {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  font: 700 16px/1 ui-monospace, "JetBrains Mono", monospace;
  letter-spacing: 6px;
  text-align: center;
  background: var(--xq-elev);
  border: 1px solid var(--xq-line-2);
  border-radius: 10px;
  color: var(--xq-fg);
  outline: none;
}
.xq-input:focus { border-color: var(--xq-pri); box-shadow: 0 0 0 3px var(--accent-ring); }
.xq-join-error {
  font-size: 12px;
  color: var(--xq-err);
  min-height: 16px;
}

/* ============================================================
   通用按钮
   ============================================================ */
.xq-btn {
  height: 38px;
  padding: 0 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  font: 600 13px/1 inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background .15s var(--ease), border-color .15s var(--ease);
}
.xq-btn-primary { background: var(--xq-pri); color: var(--xq-pri-ink); }
.xq-btn-primary:hover { background: var(--accent-deep); }
.xq-btn-ghost { background: var(--xq-elev); border-color: var(--xq-line); color: var(--xq-fg); }
.xq-btn-ghost:hover { border-color: var(--xq-pri); color: var(--xq-pri); }
.xq-btn-lg { height: 44px; font-size: 14px; }

/* ============================================================
   对局页
   ============================================================ */
.xq-game {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.xq-game-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--xq-surface);
  border-bottom: 1px solid var(--xq-line);
  flex-shrink: 0;
}
.xq-game-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}
.xq-game-title-cn {
  font-size: 13px;
  font-weight: 700;
  color: var(--xq-fg);
  letter-spacing: 1px;
}
.xq-game-room {
  font-family: ui-monospace, "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--xq-fg-3);
  letter-spacing: 1px;
}
.xq-game-tools {
  display: flex;
  align-items: center;
  gap: 8px;
}
.xq-turn-pill {
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--xq-elev);
  border: 1px solid var(--xq-line);
  color: var(--xq-fg-2);
  white-space: nowrap;
}
.xq-turn-pill.is-my { background: var(--accent-soft); color: var(--xq-pri); border-color: var(--accent-soft); }
.xq-turn-pill.is-wait { color: var(--xq-fg-3); }

.xq-game-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px;
  gap: 10px;
  min-height: 0;
}

.xq-player {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: var(--xq-surface);
  border: 1px solid var(--xq-line);
  border-radius: 999px;
  min-width: 240px;
  max-width: 360px;
  width: 100%;
  flex-shrink: 0;
  transition: border-color .15s var(--ease), background .15s var(--ease);
}
.xq-player.is-turn { border-color: var(--xq-pri); background: var(--xq-elev); }
.xq-player.is-winner { border-color: var(--xq-ok); background: var(--state-ok-soft); }
.xq-player.is-loser { border-color: var(--xq-line); opacity: .55; }
.xq-player.is-spectating {
  position: relative;
  border-style: dashed;
}
.xq-player.is-spectating::after {
  content: "观战";
  position: absolute;
  top: -10px;
  right: 12px;
  padding: 2px 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--xq-fg-3);
  background: var(--xq-surface);
  border: 1px solid var(--xq-line);
  border-radius: 999px;
}
.xq-player-stone {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  flex-shrink: 0;
}
.xq-stone-red {
  background: radial-gradient(circle at 35% 35%, #ff6b6b, var(--xq-stone-red) 60%);
  box-shadow: 0 2px 4px rgba(0,0,0,.18), inset 0 -2px 4px rgba(0,0,0,.18);
}
.xq-stone-black {
  background: radial-gradient(circle at 35% 35%, #4a4a4a, var(--xq-stone-black) 80%);
  box-shadow: 0 2px 4px rgba(0,0,0,.18), inset 0 -2px 4px rgba(255,255,255,.04);
}
.xq-player-info {
  flex: 1;
  min-width: 0;
}
.xq-player-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--xq-fg);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.xq-player-role {
  font-size: 11px;
  color: var(--xq-fg-3);
  letter-spacing: .5px;
}
.xq-player-turn {
  font-size: 11px;
  color: var(--xq-pri);
  font-weight: 600;
  letter-spacing: 1px;
  white-space: nowrap;
}

/* 棋盘:象棋比例为 9 列 × 10 行,实际绘制按 intersections */
.xq-board-wrap {
  position: relative;
  background: var(--xq-board);
  border-radius: var(--xq-radius);
  padding: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,.12), inset 0 0 0 1px var(--xq-board-2);
  flex-shrink: 0;
  width: min(540px, calc(100vh - 260px));
  max-width: calc(100vw - 32px);
}
.xq-board {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
  cursor: crosshair;
  touch-action: none;
}
.xq-board.is-locked { cursor: default; }

/* ============================================================
   棋盘中央大字提示(将军 / 吃子)
   - .xq-announce 为共用底座:绝对定位占满棋盘,flex 居中内部文字。
   - 行为:触发即"直接显示"(.is-on 立刻 opacity:1,无放大/淡入过渡),
          持续显示一段时间后 JS 移除 .is-on,触发"慢慢淡掉"(1.4s opacity 过渡到 0)。
          没有大小变化,只有 opacity 一项在变。
   - .is-from-red / .is-from-black 控制字色 = 发起方棋子颜色。
   - 一次性触发:JS 在动画结束后清理 is-on,下次触发重新走"显示→停留→淡出"。
   ============================================================ */
.xq-announce {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  user-select: none;
  z-index: 5;
  opacity: 0;
  /* 默认过渡用于"淡出":慢慢变透明(1.4s 足够柔) */
  transition: opacity 1.4s var(--ease);
}
/* .is-on:直接显示 —— opacity 立刻跳到 1,不淡入,不放缩 */
.xq-announce.is-on {
  opacity: 1;
  transition: none;
}
.xq-announce .xq-announce-char {
  font-family: "STKaiti", "KaiTi", "STSong", "FangSong", "SimSun", serif;
  font-weight: 800;
  font-size: 88px;
  letter-spacing: 8px;
  line-height: 1;
  white-space: nowrap;
  /* 默认红方颜色,JS 会按 .is-from-red / .is-from-black 切换 */
  color: var(--xq-stone-red);
  /*
   * 文字阴影兼顾两种颜色:
   *   - 红字:浅色阴影让字在棋盘背景上更鲜明
   *   - 黑字:白色描边让黑字在偏暗棋盘背景上也可读
   */
  text-shadow:
    0 0 6px rgba(255, 255, 255, .55),
    0 4px 14px rgba(0, 0, 0, .35),
    0 0 2px rgba(255, 255, 255, .85);
}
/* 颜色变体:用类名驱动,而不是 JS 写 inline style */
.xq-announce.is-from-red .xq-announce-char {
  color: var(--xq-stone-red);
}
.xq-announce.is-from-black .xq-announce-char {
  color: var(--xq-stone-black);
  text-shadow:
    0 0 6px rgba(255, 255, 255, .7),
    0 4px 14px rgba(0, 0, 0, .45),
    0 0 2px rgba(255, 255, 255, .9);
}

/* 小屏缩小字号,避免"将军"两个大字挤出棋盘 */
@media (max-width: 520px) {
  .xq-announce .xq-announce-char { font-size: 64px; letter-spacing: 6px; }
}
@media (max-width: 380px) {
  .xq-announce .xq-announce-char { font-size: 52px; letter-spacing: 4px; }
}

.xq-game-foot {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--xq-surface);
  border-top: 1px solid var(--xq-line);
  flex-shrink: 0;
}

/* ============================================================
   模态
   ============================================================ */
.xq-modal-root {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.xq-modal-root.is-open { display: flex; }
.xq-modal-backdrop {
  position: absolute;
  inset: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(2px);
}
.xq-modal {
  position: relative;
  width: 100%;
  max-width: 380px;
  background: var(--xq-surface);
  border: 1px solid var(--xq-line);
  border-radius: var(--xq-radius-lg);
  box-shadow: var(--shadow-2);
  overflow: hidden;
  animation: xq-modal-in .2s var(--ease);
}
@keyframes xq-modal-in {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.xq-modal-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--xq-line);
}
.xq-modal-head h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
}
.xq-modal-badge {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--xq-pri);
  flex-shrink: 0;
}
.xq-modal-badge svg { width: 18px; height: 18px; }
.xq-modal-badge.is-warn { background: var(--state-warn-soft); color: var(--xq-warn); }
.xq-modal-badge.is-success { background: var(--state-ok-soft); color: var(--xq-ok); }
.xq-modal-badge.is-danger { background: var(--state-err-soft); color: var(--xq-err); }
.xq-modal-body {
  padding: 18px 20px;
  font-size: 13px;
  color: var(--xq-fg-2);
  line-height: 1.7;
}
.xq-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 20px 16px;
  border-top: 1px dashed var(--xq-line);
}
.xq-modal-actions .xq-btn { min-width: 78px; }

/* ============================================================
   Toast
   ============================================================ */
.xq-toast-stack {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 200;
  pointer-events: none;
}
.xq-toast {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--xq-surface);
  border: 1px solid var(--xq-line);
  border-radius: var(--xq-radius-sm);
  box-shadow: var(--shadow-1);
  font-size: 13px;
  color: var(--xq-fg);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity .2s var(--ease), transform .2s var(--ease);
}
.xq-toast.show { opacity: 1; transform: translateY(0); }
.xq-toast .xq-toast-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--xq-info);
}
.xq-toast.success .xq-toast-dot { background: var(--xq-ok); }
.xq-toast.warn .xq-toast-dot { background: var(--xq-warn); }
.xq-toast.error .xq-toast-dot { background: var(--xq-err); }

/* ============================================================
   小屏适配
   ============================================================ */
@media (max-width: 520px) {
  .xq-lobby-head { padding: 22px 20px 14px; }
  .xq-title-cn { font-size: 24px; }
  .xq-room-code { font-size: 32px; letter-spacing: 4px; }
  .xq-player { min-width: 200px; padding: 6px 12px; }
  .xq-player-name { font-size: 12px; }
  .xq-game-bar { padding: 8px 12px; }
}
@media (max-height: 600px) {
  .xq-game-body { padding: 6px; gap: 6px; }
  .xq-player { padding: 5px 12px; }
  .xq-board-wrap { padding: 8px; }
}