/* ========== 变量 ========== */
:root{
--bg:#0a1a0f; --surface:#1a3525; --surface2:#1e4030;
  --gold:#c9a96e; --gold-light:#dbb878; --gold-dim:#8b7355;
  --green:#5effa0; --red:#e05555; --blue:#6ab0f3; --purple:#b07cd8;
  --text:#e0d8c8; --text-dim:#a09888; --text-bright:#f5efe0;
  --neon:#5effa0; --radius:10px; --shadow:0 4px 20px rgba(0,0,0,.5);
  --font-main:'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:var(--font-main);background:var(--bg);color:var(--text);
  min-height:100vh;overflow-x:hidden;line-height:1.5;
  background-color:#0a1a0f;
  background-image:
    radial-gradient(ellipse at 50% 25%,rgba(180,140,80,0.06) 0%,transparent 55%),
    radial-gradient(ellipse at 50% 70%,rgba(0,0,0,0.5) 0%,transparent 70%),
    radial-gradient(ellipse at 50% 60%,#0d1f14 0%,#060f0a 100%);
}

/* ========== 布局 ========== */
#header-bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 16px;background:var(--surface);border-bottom:2px solid var(--gold-dim);
  flex-wrap:wrap;gap:8px;z-index:10;position:relative;
}
#header-bar .title{font-size:1.2em;font-weight:900;color:var(--gold);cursor:pointer;letter-spacing:2px;font-family:'Georgia','Times New Roman',serif;text-shadow:0 1px 2px rgba(0,0,0,.5),0 0 10px rgba(201,169,110,.2)}
#header-bar .header-suit{font-size:0.82em}
#header-bar .header-cn{font-size:0.72em;font-weight:800}
#header-bar .header-num{color:#d6ad5e;font-family:'Georgia','Times New Roman',serif;font-size:1.1em;font-weight:600;display:inline-block;transform:scaleX(0.74)}
#header-bar .info{display:flex;align-items:center;justify-content:flex-end;gap:10px;font-size:.88em;flex-wrap:wrap}
#header-bar .info span{white-space:nowrap}
.status-chips{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.status-chip{
  display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:999px;
  background:rgba(0,0,0,.14);border:1px solid rgba(180,150,100,.14);
  color:var(--text-dim);font-weight:600;font-size:.82em;white-space:nowrap;
}
.diff-badge,.mode-badge{display:inline-flex;align-items:center;white-space:nowrap}
.diff-badge{padding:2px 10px;border-radius:12px;font-weight:700;font-size:.82em}
.diff-easy{background:rgba(46,204,113,.15);color:var(--green);border:1px solid var(--green)}
.diff-normal{background:rgba(240,192,64,.15);color:var(--gold);border:1px solid var(--gold)}
.diff-hard{background:rgba(231,76,60,.15);color:var(--red);border:1px solid var(--red)}
.mode-badge{
  color:var(--gold-light);font-weight:600;padding:2px 9px;border-radius:999px;
  background:rgba(180,150,100,.08);border:1px solid rgba(180,150,100,.16);font-size:.82em;
}
.header-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.header-action{
  min-width:36px;min-height:30px;display:inline-flex;align-items:center;justify-content:center;gap:5px;
  background:rgba(180,150,100,0.10);color:var(--gold-light);border:1px solid var(--gold-dim);
  padding:5px 10px;border-radius:6px;cursor:pointer;font-size:.85em;line-height:1;
  transition:background .15s,color .15s,border-color .15s,transform .1s;
}
.header-action:hover{background:rgba(180,150,100,0.2);color:var(--text-bright)}
.header-action:active{transform:scale(.97)}
.header-action .btn-icon{font-size:1.05em;line-height:1}
.header-action .btn-text{line-height:1}
#btn-back{color:var(--text-dim);min-width:32px;font-weight:700}
#btn-back:hover{background:rgba(200,170,110,0.2);color:var(--text-bright)}
#btn-back .btn-icon{font-size:1.25em;font-weight:900}

/* 主容器 */
#main-container{
  display:flex;flex-direction:column;
  padding:12px;gap:10px;max-width:100%;margin:0 auto;
  min-height:calc(100vh - 100px);
}

/* 玩家区 */
#players-area{
  display:flex;flex-wrap:wrap;gap:12px;
  justify-content:center;align-items:flex-start;
}

/* 事件公示条 */
#toast-container{
  position:fixed;bottom:52px;left:50%;transform:translateX(-50%);z-index:100;
  display:flex;flex-direction:column-reverse;align-items:center;gap:6px;
  pointer-events:none;max-width:90vw;min-height:0;
}
.toast-msg{
  padding:10px 24px;border-radius:25px;font-weight:700;font-size:1em;
  animation:toastIn .3s ease-out,toastOut .35s ease-in 2.2s forwards;
  box-shadow:0 4px 16px rgba(0,0,0,.5);pointer-events:auto;
  text-align:center;white-space:normal;max-width:min(92vw,720px);overflow-wrap:anywhere;
}
.toast-submit{background:rgba(180,150,100,.9);color:#1a1a2e}
.toast-concede{background:rgba(120,120,120,.92);color:#ddd}
.toast-draw{background:rgba(180,140,80,.9);color:#1a1a2e}
.toast-win{background:linear-gradient(135deg,#c9a96e,#f0c040);color:#1a1a2e;font-size:1.15em;padding:14px 32px}
.toast-error{background:rgba(224,85,85,.92);color:#fff}
@keyframes toastIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes toastOut{from{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-10px)}}

/* 底部信息条 */
#footer-bar{
  background:var(--surface);border-top:2px solid var(--gold-dim);
  padding:10px 16px;text-align:center;font-size:.9em;color:var(--text-dim);
  font-style:italic;min-height:42px;display:flex;align-items:center;
  justify-content:center;gap:8px;
}
#footer-bar .icon{font-size:1.2em}
#footer-bar em{color:var(--gold-light);font-weight:600;font-style:normal}

/* ========== 玩家卡片 ========== */
.player-card{
  background:var(--surface);border:1px solid rgba(180,150,100,0.25);border-radius:var(--radius);
  padding:14px;display:flex;flex-direction:column;gap:10px;
  flex:1 1 300px;max-width:420px;min-width:260px;
  transition:border-color .3s,box-shadow .3s,opacity .3s;
  position:relative;
  box-shadow:0 2px 12px rgba(0,0,0,.4);
}
.player-card.conceded{opacity:.45;border-color:#3a3a4a}
.ai-card .player-status{color:var(--blue)}
.ai-card .player-actions input{opacity:0.7;font-style:italic}
.ai-card .card-shell{cursor:default !important}
.player-card.winner{
  border-color:var(--gold)!important;
  box-shadow:0 0 30px rgba(240,192,64,.5),0 0 60px rgba(240,192,64,.25)!important;
  animation:winnerGlow .8s ease-in-out infinite alternate;
}
@keyframes winnerGlow{from{box-shadow:0 0 20px rgba(240,192,64,.4)}to{box-shadow:0 0 45px rgba(240,192,64,.7)}}
.error-shake{animation:shake .4s ease-in-out}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-6px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}

.player-header{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.05em}
.dot{width:12px;height:12px;border-radius:50%;flex-shrink:0}
.player-status{font-size:.8em;margin-left:auto;color:var(--text-dim)}
.player-status.won{color:var(--gold);font-weight:700}
.player-status.lost{color:#888}
.player-status.thinking{color:var(--blue);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.5}}

/* 牌桌固定宽度 */
.cards-row{display:flex;gap:6px;flex-wrap:nowrap;justify-content:center;min-height:78px;align-items:center;min-width:284px}
.cards-row .card-shell{flex-shrink:0}

/* ========== 牌壳 & 3D 翻牌 ========== */
.card-shell{width:52px;height:74px;perspective:900px;flex-shrink:0;user-select:none}
.card-inner{width:100%;height:100%;position:relative;transform-style:preserve-3d;
  transition:transform 520ms cubic-bezier(.2,.75,.2,1),box-shadow 520ms ease}
.card-face{position:absolute;inset:0;backface-visibility:hidden;border-radius:8px;
  border:2px solid #444;box-shadow:2px 2px 10px rgba(0,0,0,.35);
  font-family:'Georgia','Times New Roman',serif}
.card-front{transform:rotateY(180deg);background:linear-gradient(145deg,#fefefe,#d4d8e0)}
.card-front .corner{position:absolute;display:flex;flex-direction:column;align-items:center;
  line-height:1;font-size:.7em;font-weight:800}
.card-front .corner.top-left{top:3px;left:4px}
.card-front .corner.bottom-right{bottom:3px;right:4px;transform:rotate(180deg)}
.card-front .center-suit{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:1.4em}
.suit-color-red{color:#c0392b}
.suit-color-black{color:#1a1a2e}

/* 牌背 */
.card-back{transform:rotateY(0deg);
  background:
    radial-gradient(ellipse at 50% 50%,rgba(25,60,50,.55) 0%,transparent 68%),
    linear-gradient(155deg,#0b2e1c 0%,#061a10 50%,#0d2014 100%);
  border:2px solid rgba(190,145,75,.4);
  box-shadow:inset 0 0 0 3px rgba(190,145,75,.12)}
.card-back::before{content:'';position:absolute;inset:6px;
  background-image:
    repeating-linear-gradient(45deg,rgba(200,165,100,.07) 0px,rgba(200,165,100,.07) 1.5px,transparent 1.5px,transparent 8px),
    repeating-linear-gradient(-45deg,rgba(200,165,100,.05) 0px,rgba(200,165,100,.05) 1px,transparent 1px,transparent 6px);
  pointer-events:none;border-radius:4px}
.card-back::after{content:'21';position:absolute;inset:0;display:flex;align-items:center;
  justify-content:center;font-family:'Georgia','Times New Roman',serif;
  font-size:1.4em;font-weight:700;color:rgba(210,175,120,.38);letter-spacing:.05em;
  pointer-events:none;text-shadow:0 1px 3px rgba(0,0,0,.5),0 0 8px rgba(200,165,110,.18)}

/* 状态：牌背朝上（初始） */
.card-shell.is-face-down .card-inner{transform:rotateY(0deg);box-shadow:2px 2px 10px rgba(0,0,0,.35)}
/* 状态：牌面朝上（翻面后） */
.card-shell.is-face-up .card-inner{transform:rotateY(180deg);box-shadow:2px 2px 12px rgba(180,150,100,.25)}

/* 发牌入场 */
.card-shell.is-dealing{animation:dealIn 360ms cubic-bezier(.2,.8,.2,1) both}
@keyframes dealIn{from{opacity:0;transform:translateY(-16px) scale(.94) rotate(-2deg)}to{opacity:1;transform:translateY(0) scale(1) rotate(0deg)}}

/* +牌 专用：更快的翻牌 transition */
.card-shell.hit-card .card-inner{transition:transform 360ms cubic-bezier(.2,.7,.2,1),box-shadow 360ms ease}
/* +牌 专用：更快的入场动画 */
.card-shell.is-hit-deal{animation:hitDealIn 220ms cubic-bezier(.2,.8,.2,1) both}
@keyframes hitDealIn{from{opacity:0;transform:translateY(-12px) scale(.92)}to{opacity:1;transform:translateY(0) scale(1)}}

/* 翻面中避免 hover 干扰 */
.card-shell.flipping .card-inner{transition:transform 520ms cubic-bezier(.2,.75,.2,1),box-shadow 520ms ease}

/* 已翻面的牌 hover */
.card-shell.is-face-up:hover .card-inner{transform:rotateY(180deg) translateY(-4px);transition:transform 200ms ease,box-shadow 200ms ease}
.card-shell.is-face-up:hover .card-front{border-color:var(--gold-dim)}
.card-shell.remote-card-action{animation:remoteCardPulse 480ms ease both}
@keyframes remoteCardPulse{
  0%{transform:translateY(0) scale(1);filter:brightness(1)}
  45%{transform:translateY(-5px) scale(1.04);filter:brightness(1.25) drop-shadow(0 0 8px rgba(201,169,110,.55))}
  100%{transform:translateY(0) scale(1);filter:brightness(1)}
}

/* 操作区 */
.player-actions{display:flex;gap:6px;flex-wrap:wrap}
.player-actions input{
  flex:1 1 130px;min-width:110px;padding:10px 12px;font-size:.95em;
  border:1px solid var(--gold-dim);border-radius:8px;background:#0d1b30;
  color:var(--gold-light);outline:none;transition:border-color .2s;
  font-family:'Consolas','Courier New',monospace;
}
.player-actions input:focus{border-color:var(--gold)}
.player-actions input::placeholder{color:#445566}
.player-actions button{
  padding:10px 14px;font-size:.85em;font-weight:700;
  border-radius:8px;cursor:pointer;transition:transform .1s,opacity .2s;white-space:nowrap;
}
.player-actions button:active{transform:scale(.95)}
.player-actions button:disabled{opacity:.4;cursor:not-allowed}
.btn-submit{background:linear-gradient(135deg,var(--gold),#b8944e);color:#1a1a2e;border:none}
.btn-submit:hover:not(:disabled){background:linear-gradient(135deg,var(--gold-light),var(--gold))}
.btn-draw{background:transparent;color:var(--gold-light);border:2px solid var(--gold-dim)}
.btn-draw:hover:not(:disabled){background:rgba(180,150,100,0.15);border-color:var(--gold)}
.btn-concede{background:transparent;color:#888;border:1px solid #444}
.btn-concede:hover:not(:disabled){background:rgba(120,120,120,0.15);color:#aaa}
.btn-hint{background:transparent;color:var(--gold-light);border:2px solid var(--gold-dim)}
.btn-hint:hover:not(:disabled){background:rgba(180,150,100,0.15);border-color:var(--gold)}
.btn-cool{color:#d8b9ff;border-color:#b07cd8}
.btn-cool:hover:not(:disabled){background:rgba(176,124,216,0.16);border-color:#d8b9ff}

.feedback{
  font-size:.85em;min-height:2.4em;max-height:4.2em;font-weight:600;
  text-align:center;overflow-y:auto;overflow-x:hidden;line-height:1.25;
  overflow-wrap:anywhere;word-break:break-word;
}
.feedback.ok{color:var(--green)}
.feedback.err{color:var(--red)}
.feedback.info{color:var(--blue)}

/* 统计面板 & 提示区 */
#stats-panel,#hint-area{
  background:var(--surface);border:1px solid rgba(180,150,100,0.2);border-radius:var(--radius);
  padding:10px 14px;margin:0 6px;text-align:center;font-size:.85em;color:var(--text-dim);
}
#stats-panel span{color:var(--gold-light);font-weight:600}
#hint-area{background:rgba(180,150,100,0.06);border:1px solid var(--gold-dim);color:var(--gold-light)}
.hidden{display:none!important}

/* 日志面板 */
.log-shell{
  background:#0d1117;border:1px solid rgba(180,150,100,0.2);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;min-height:0;
}
.log-toggle{
  display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;
  padding:7px 10px;background:rgba(180,150,100,.08);color:var(--gold-light);
  border:0;border-bottom:1px solid rgba(180,150,100,.16);cursor:pointer;
  font-size:.82em;font-weight:700;text-align:left;
}
.log-toggle:hover{background:rgba(180,150,100,.14)}
.log-toggle-title{letter-spacing:.08em}
.log-toggle-count{
  margin-left:auto;min-width:22px;padding:1px 7px;border-radius:999px;
  background:rgba(0,0,0,.2);color:var(--text-dim);font-size:.78em;text-align:center;
}
.log-toggle-icon{transition:transform .15s ease}
.log-shell.collapsed .log-toggle-icon{transform:rotate(-90deg)}
.log-shell.collapsed #log-panel{display:none}
#log-panel{
  background:#0d1117;overflow-y:auto;font-size:.82em;font-family:'Consolas','Courier New',monospace;
  color:var(--text-dim);padding:8px 10px;max-height:220px;min-height:0;
}
#log-panel .log-line{padding:3px 0;border-bottom:1px solid #1a2535;line-height:1.4}
#log-panel .log-line.win{color:var(--green);font-weight:700}
#log-panel .log-line.err{color:var(--red)}
#log-panel .log-line.info{color:var(--gold)}
#log-panel .log-line.hint{color:#c39bdb}
#log-panel .log-line.toast{color:var(--blue);font-weight:600}

/* ========== 胜利特效 ========== */
#victory-overlay{
  position:fixed;inset:0;z-index:200;pointer-events:none;
  display:flex;align-items:center;justify-content:center;
  animation:victoryPulse .6s ease-out;
}
@keyframes victoryPulse{
  0%{background:rgba(240,192,64,.6)}50%{background:rgba(240,192,64,.15)}100%{background:rgba(240,192,64,0)}
}
.confetti{position:fixed;z-index:201;pointer-events:none;font-size:1.6em;animation:confettiFall 2.5s ease-out forwards}
@keyframes confettiFall{
  0%{opacity:1;transform:translateY(0) rotate(0deg) scale(1)}
  100%{opacity:0;transform:translateY(100vh) rotate(720deg) scale(.5)}
}

/* ========== 弹窗 ========== */
.overlay{
  position:fixed;inset:0;z-index:150;background:rgba(0,0,0,.75);
  display:flex;align-items:center;justify-content:center;
  backdrop-filter:blur(4px);
}
.dialog{
  position:relative;
  background:
    radial-gradient(ellipse at 50% 0%,rgba(40,80,55,0.6) 0%,transparent 60%),
    linear-gradient(180deg,#152a1e 0%,#0e1f15 100%);
  border:1px solid rgba(180,150,100,0.22);border-radius:24px;
  padding:28px 24px 20px;max-width:520px;width:90%;text-align:center;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.03),0 8px 40px rgba(0,0,0,.55),0 0 0 1px rgba(180,150,100,.06);
  animation:popIn .3s ease-out;max-height:90vh;overflow-y:auto;
}
.dialog::before{
  content:'';position:absolute;top:0;left:40px;right:40px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(180,150,100,.18),transparent);
}
@keyframes popIn{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}
.dialog h2{color:var(--gold);margin-bottom:12px;font-size:1.4em}
.dialog p{color:var(--text);margin:6px 0}
.dialog .row{display:flex;align-items:center;gap:10px;margin:8px 0;text-align:left}
.dialog .row label{min-width:60px;font-weight:600;color:var(--text-dim)}
.dialog .row input{
  flex:1;padding:8px 12px;border:1px solid var(--gold-dim);border-radius:6px;
  background:#0d1b30;color:var(--gold-light);font-size:.95em;outline:none;
}
.dialog .row input:focus{border-color:var(--gold)}
.dialog button{
  margin:8px 4px 0;padding:10px 24px;font-size:1em;font-weight:700;border:none;
  border-radius:8px;cursor:pointer;background:var(--gold);color:#1a1a2e;
  transition:transform .1s;
}
.dialog button:hover{transform:scale(1.03)}
.dialog button:active{transform:scale(.95)}
.dialog button.secondary{background:transparent;color:var(--text-dim);border:1px solid var(--gold-dim)}

.online-dialog{max-width:560px}
.online-join-row{display:flex;gap:8px;margin:8px 0;align-items:center}
.online-join-row input{
  flex:1;padding:10px 12px;border:1px solid var(--gold-dim);border-radius:8px;
  background:#0d1b30;color:var(--gold-light);font-size:1em;text-transform:uppercase;outline:none;
}
.online-status{
  min-height:22px;margin-top:8px;color:var(--text-dim);font-size:.86em;
}
.online-status.err{color:#ff9aa8}
.online-status.info{color:var(--gold-light)}
.online-lobby{
  width:100%;display:flex;justify-content:center;align-items:flex-start;padding:18px;
}
.online-lobby-panel{
  width:min(680px,100%);background:var(--surface);border:1px solid rgba(180,150,100,.25);
  border-radius:var(--radius);box-shadow:0 2px 18px rgba(0,0,0,.35);padding:18px;display:flex;flex-direction:column;gap:14px;
}
.online-room-title{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--text-bright);font-weight:700}
.online-room-title strong{
  font-family:'Consolas','Courier New',monospace;color:var(--gold-light);font-size:1.5em;letter-spacing:2px;
}
.online-room-meta{color:var(--text-dim);font-size:.9em}
.online-seat-list{display:grid;gap:8px}
.online-seat-row{
  display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border:1px solid rgba(180,150,100,.15);
  border-radius:8px;background:rgba(255,255,255,.025);color:var(--text);
}
.online-seat-row.mine{border-color:var(--gold-dim);background:rgba(201,169,110,.08)}
.online-ready{color:var(--green);font-weight:700}
.online-offline{color:#888}
.online-empty{color:var(--text-dim);font-style:italic;font-size:.82em}
.online-seat-row.empty-seat{
  opacity:.45;border-style:dashed;background:transparent;
  color:var(--text-dim);
}

.btn-ready-active{
  background:linear-gradient(135deg,var(--green),#2d9d5a)!important;
  color:#fff!important;
}
.online-lobby-actions,.quick-chat-bar{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.online-lobby-actions button,.quick-chat-bar button{
  padding:9px 14px;border-radius:8px;border:1px solid var(--gold-dim);background:var(--gold);color:#1a1a2e;
  font-weight:700;cursor:pointer;
}
.online-lobby-actions button.secondary,.quick-chat-bar button{
  background:transparent;color:var(--gold-light);
}
.online-lobby-actions button:disabled,.quick-chat-bar button:disabled{opacity:.45;cursor:not-allowed}

.online-seat-header{
  color:var(--text-dim);font-size:.78em;font-weight:600;
  padding:2px 4px 6px;border-bottom:1px solid rgba(180,150,100,.12);
  text-transform:uppercase;letter-spacing:.06em;
}

.btn-lobby-primary{
  background:linear-gradient(135deg,var(--gold),#b8944e)!important;color:#1a1a2e!important;
  padding:11px 22px!important;font-size:.95em!important;font-weight:700!important;
  border:none!important;border-radius:10px!important;cursor:pointer;min-width:100px;
}
.btn-lobby-primary:hover:not(:disabled){filter:brightness(1.1)}
.btn-lobby-primary:disabled{opacity:.35!important;cursor:not-allowed;filter:none}

.btn-leave-online{
  background:transparent!important;color:#888;border:1px solid #444!important;
  padding:6px 10px;font-size:.78em;font-weight:700;border-radius:8px;cursor:pointer;
  white-space:nowrap;
}
.btn-leave-online:hover{background:rgba(120,120,120,.15)!important;color:#aaa}

/* 联网浮动聊天栏 */
#online-chat-bar{
  display:flex;gap:6px;justify-content:center;flex-wrap:wrap;
  padding:8px 12px;margin:0 4px;
  background:var(--surface);border:1px solid rgba(180,150,100,.2);border-radius:var(--radius);
}
#online-chat-bar button{
  padding:6px 12px;border-radius:20px;border:1px solid var(--gold-dim);
  background:rgba(180,150,100,.08);color:var(--gold-light);
  font-weight:600;font-size:.82em;cursor:pointer;white-space:nowrap;
  transition:background .15s,border-color .15s;
}
#online-chat-bar button:hover:not(:disabled){
  background:rgba(201,169,110,.2);border-color:var(--gold);
}
#online-chat-bar button:disabled{opacity:.35;cursor:not-allowed}

.result-icon{font-size:4em;display:block;margin:10px 0}

/* ========== 主菜单LOGO ========== */
.logo-section{text-align:center;padding:14px 0 6px}
.logo-main{
  font-family:'Georgia','Times New Roman','Songti SC',serif;
  font-size:2.8em;font-weight:900;letter-spacing:4px;line-height:1.15;
  background:linear-gradient(180deg,#fff1b8 0%,#d6ad5e 40%,#8d6a2d 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  filter:drop-shadow(0 2px 4px rgba(0,0,0,.6)) drop-shadow(0 0 18px rgba(201,169,110,.35));
}
.title-suit{font-size:0.85em}
.title-cn{font-size:0.75em;font-weight:800}
.title-num{
  font-family:'Georgia','Times New Roman',serif;
  font-size:1.12em;font-weight:600;
  display:inline-block;transform:scaleX(0.72);
  color:#d6ad5e;-webkit-text-fill-color:#d6ad5e;
}
.logo-sub{font-size:0.72em;color:rgba(201,169,110,.55);letter-spacing:0.22em;margin-top:4px;font-style:italic;font-weight:400}
/* ========== 主菜单 ========== */
.menu-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:10px 0}
.menu-card{
  background:
    radial-gradient(ellipse at 50% 10%,rgba(50,80,58,0.35) 0%,transparent 50%),
    linear-gradient(180deg,rgba(28,55,38,.92) 0%,rgba(22,46,32,.96) 100%);
  border:1px solid rgba(180,150,100,0.2);border-radius:18px;
  padding:18px 12px;min-height:110px;
  cursor:pointer;transition:border-color 220ms ease,transform 220ms ease,box-shadow 220ms ease;
  display:flex;flex-direction:column;align-items:center;gap:5px;text-align:center;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04),inset 0 -1px 0 rgba(0,0,0,.25),0 3px 12px rgba(0,0,0,.4);
  position:relative;overflow:hidden;
}
.menu-card::before{
  content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(0deg,transparent,transparent 20px,rgba(180,150,100,.015) 20px,rgba(180,150,100,.015) 21px);
  pointer-events:none;border-radius:inherit;
}
.menu-card:hover{
  border-color:rgba(200,160,110,.5);
  transform:translateY(-3px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 8px 28px rgba(0,0,0,.5),0 0 20px rgba(180,150,100,.08);
}
.menu-card:hover .icon{transform:scale(1.04)}
.menu-card .icon{font-size:2.6em;line-height:1;transition:transform 200ms ease}
.menu-card .label{font-weight:700;font-size:1em;color:var(--text-bright)}
.menu-card .desc{font-size:.75em;color:var(--text-dim)}
.menu-card .tag{font-size:.7em;font-weight:700;padding:1px 8px;border-radius:8px}
.tag-new{background:var(--green);color:#fff}
.tag-coming{background:#555;color:#aaa}
.menu-card.locked{opacity:.5;cursor:not-allowed}
.menu-card.locked:hover{border-color:rgba(180,150,100,0.2);transform:none}
/* ========== 符号快捷按钮 ========== */
.symbol-bar{display:flex;flex-wrap:wrap;gap:5px;margin-top:4px;justify-content:center;min-height:36px}
.symbol-bar.placeholder{min-height:36px;visibility:hidden}
.symbol-btn{
  background:var(--surface2);color:var(--text-bright);border:1px solid var(--gold-dim);
  border-radius:6px;padding:4px 10px;font-size:.88em;font-weight:600;cursor:pointer;
  transition:background .15s,transform .1s,box-shadow .15s;font-family:var(--font-main);
  min-width:32px;text-align:center;user-select:none;
}
.symbol-btn:hover{background:rgba(200,170,110,0.2);border-color:var(--gold);box-shadow:0 0 8px rgba(201,169,110,.25)}
.symbol-btn:active{transform:scale(.92)}
.symbol-btn.backspace{color:var(--red);font-size:.95em;font-weight:700}

/* 难度/等级选择卡片 */
.choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:8px 0}
.choice-card{
  background:
    radial-gradient(ellipse at 50% 0%,rgba(36,68,48,0.3) 0%,transparent 50%),
    linear-gradient(180deg,rgba(24,50,34,.92) 0%,rgba(20,42,28,.96) 100%);
  border:1px solid rgba(180,150,100,.16);border-radius:14px;
  padding:10px 8px;cursor:pointer;
  transition:border-color 200ms ease,transform 180ms ease,box-shadow 200ms ease,background 200ms ease;
  text-align:center;display:flex;flex-direction:column;gap:3px;font-size:.8em;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.03),0 2px 8px rgba(0,0,0,.35);
  position:relative;overflow:hidden;
}
.choice-card::before{
  content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(0deg,transparent,transparent 16px,rgba(180,150,100,.012) 16px,rgba(180,150,100,.012) 17px);
  pointer-events:none;border-radius:inherit;
}
.choice-card:hover{
  border-color:rgba(200,160,110,.45);
  transform:translateY(-2px);
  background:
    radial-gradient(ellipse at 50% 0%,rgba(44,80,56,.35) 0%,transparent 50%),
    linear-gradient(180deg,rgba(28,55,38,.92) 0%,rgba(24,46,32,.96) 100%);
}
.choice-card.selected{
  border-color:rgba(201,169,110,.8)!important;
  box-shadow:0 0 18px rgba(240,192,64,.25),inset 0 1px 0 rgba(255,255,255,.04);
}
.menu-card:focus-visible,
.choice-card:focus-visible,
.header-action:focus-visible,
.log-toggle:focus-visible{
  outline:2px solid var(--gold-light);
  outline-offset:3px;
}
.choice-card .ch-icon{font-size:1.8em}
.choice-card .ch-title{font-weight:700;color:var(--text-bright);font-size:.95em}
.choice-card .ch-cards{color:rgba(201,169,110,.7);font-size:.73em;font-weight:500;letter-spacing:.03em}
.choice-card .ch-ops{color:var(--text-dim);font-size:.7em}
.choice-card .ch-for{color:rgba(160,152,136,.6);font-size:.68em;font-style:italic;margin-top:1px}
.choice-card.easy-card{border-left:3px solid var(--green)}
.choice-card.normal-card{border-left:3px solid var(--gold)}
.choice-card.hard-card{border-left:3px solid var(--red)}

/* ========== 规则说明弹窗 ========== */
.rules-table{width:100%;border-collapse:collapse;margin:10px 0;font-size:.85em}
.rules-table th,.rules-table td{border:1px solid rgba(180,150,100,0.2);padding:6px 4px;text-align:center}
.rules-table th{background:var(--surface2);color:var(--gold)}
.rules-example{background:var(--surface2);border-radius:8px;padding:10px;margin:10px 0;text-align:left;font-family:'Consolas','Courier New',monospace;font-size:.82em}
.rules-example .valid{color:var(--green)}
.rules-example .invalid{color:var(--red)}
.rules-example code{display:block;margin:2px 0}

/* ========== 菜单底部 ========== */
.menu-footer{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:14px;padding-top:10px;border-top:1px solid rgba(180,150,100,.06)}
.menu-footer-divider{color:rgba(180,150,100,.12);font-size:.55em;user-select:none}
.dialog .btn-menu-secondary{background:none;color:rgba(180,155,115,.32);border:none;padding:3px 4px;border-radius:0;cursor:pointer;font-size:.62em;font-weight:400;letter-spacing:.04em;transition:color 200ms ease;text-underline-offset:3px;text-decoration:none}
.dialog .btn-menu-secondary:hover{background:none;color:rgba(210,185,140,.55);text-decoration:underline;text-decoration-color:rgba(180,160,120,.15);border:none;transform:none}

@media(max-width:699px){
  #players-area{flex-direction:column;align-items:center}
  .player-card{max-width:100%;width:100%}
  #header-bar .title{font-size:1.1em;letter-spacing:1px}
  #header-bar .header-num{font-size:1em}
  #header-bar{
    display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"title actions" "meta meta";
    align-items:center;justify-content:stretch;text-align:left;gap:6px 8px;padding:6px 8px;
  }
  #header-bar .title{
    grid-area:title;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  }
  #header-bar .info{display:contents}
  .header-actions{grid-area:actions;gap:4px;justify-content:flex-end;flex-wrap:nowrap}
  #header-bar .header-action{
    width:34px;height:34px;min-width:34px;min-height:34px;padding:0;border-radius:7px;margin-left:0;
  }
  #header-bar .header-action .btn-text{display:none}
  .status-chips{
    grid-area:meta;gap:5px;flex-wrap:nowrap;justify-content:flex-start;
    overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding-bottom:1px;
  }
  .status-chips::-webkit-scrollbar{display:none}
  .status-chip,.diff-badge,.mode-badge{font-size:.72em;padding:2px 7px;flex:0 0 auto}
  #main-container{padding:8px;gap:8px;min-height:calc(100vh - 88px)}
  .card-shell{width:44px;height:64px}
  .card-front .corner{font-size:.6em}
  .card-front .center-suit{font-size:1.1em}
  .player-actions input{font-size:.85em}
  .menu-grid{grid-template-columns:repeat(2,1fr);gap:6px}
  .menu-card{padding:12px 6px}
  .choice-grid{grid-template-columns:1fr;gap:6px}
  .log-shell{width:100%}
  #log-panel{max-height:130px}
  .toast-msg{font-size:.85em;padding:8px 18px}
  .symbol-bar button{padding:8px 10px;font-size:1.05em}
  .player-actions input{font-size:1em}
  #toast-container{bottom:60px}
  /* 移动端聊天栏 — 紧凑单行小药丸 */
  #online-chat-bar{
    flex-wrap:nowrap;gap:4px;justify-content:flex-start;overflow-x:auto;
    padding:4px 6px;margin:0 2px;border-radius:8px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
  }
  #online-chat-bar::-webkit-scrollbar{display:none}
  #online-chat-bar button{
    flex-shrink:0;padding:4px 10px;font-size:.72em;border-radius:14px;
  }
  #tabletop-center {
    display: flex; flex-direction: row; align-items: center; gap: 12px;
    padding: 6px 10px; overflow-x: auto;
  }
  #tabletop-center .tc-stat { flex-shrink: 0; }
  #tabletop-center .tc-val { font-size: 0.95em; }
  #tabletop-center .tc-label { font-size: 0.55em; }
  #tabletop-center .tc-event {
    flex: 1; font-size: 0.68em; max-width: none; text-align: right;
    margin-left: 4px;
  }
  .player-card.player-top { transform: none; border-radius: var(--radius); }
  .player-card.player-bottom { border-radius: var(--radius); }
  #players-area.tabletop-2p,
  #players-area.tabletop-3p,
  #players-area.tabletop-4p {
    height: auto;
    display: flex;
    flex-direction: column;
    max-width: 100%;
    gap: 8px;
    overflow: visible;
  }
  #players-area.tabletop-2p .player-card,
  #players-area.tabletop-3p .player-card,
  #players-area.tabletop-4p .player-card {
    min-width: 0;
    width: 100%;
    max-width: 100%;
  }
  #players-area.tabletop-2p .cards-row,
  #players-area.tabletop-3p .cards-row,
  #players-area.tabletop-4p .cards-row {
    min-width: 0;
  }
  #players-area.tabletop-3p::before,
  #players-area.tabletop-4p::before {
    content: '📱 建议横屏使用';
    display: block;
    text-align: center;
    font-size: .75em;
    color: var(--text-dim);
    padding: 4px 0;
  }
}

@media(min-width:700px) and (max-width:1599px){
  #players-area{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:14px;max-width:1100px;margin:0 auto}
  .player-card{max-width:none;min-width:0}
  #log-panel{max-height:180px}
}

/* 平板/中屏 — 围桌紧凑化 */
@media(min-width:700px) and (max-width:1023px){
  #players-area.tabletop-2p,
  #players-area.tabletop-3p,
  #players-area.tabletop-4p {
    max-width: 98vw;
    height: calc(100vh - 160px);
    min-height: 320px;
  }
  #players-area.tabletop-2p .player-card,
  #players-area.tabletop-3p .player-card,
  #players-area.tabletop-4p .player-card {
    padding: 6px 10px;
    gap: 4px;
    min-width: 0;
  }
  #players-area.tabletop-2p .player-actions button,
  #players-area.tabletop-3p .player-actions button,
  #players-area.tabletop-4p .player-actions button {
    padding: 4px 7px;
    font-size: .68em;
  }
  #players-area.tabletop-2p .player-header,
  #players-area.tabletop-3p .player-header,
  #players-area.tabletop-4p .player-header {
    font-size: .85em;
    gap: 4px;
  }
  #players-area.tabletop-2p .symbol-bar button,
  #players-area.tabletop-3p .symbol-bar button,
  #players-area.tabletop-4p .symbol-bar button {
    padding: 4px 6px;
    font-size: .78em;
    min-width: 26px;
  }
  #players-area.tabletop-2p .cards-row,
  #players-area.tabletop-3p .cards-row,
  #players-area.tabletop-4p .cards-row {
    min-height: 60px;
    min-width: 0;
  }
  #players-area.tabletop-2p .player-card { max-width: 480px; }
  #players-area.tabletop-3p .player-card,
  #players-area.tabletop-4p .player-card { max-width: 360px; }
  .card-shell{width:46px;height:68px}
  #players-area.tabletop-3p #tabletop-center,
  #players-area.tabletop-4p #tabletop-center {
    gap: 16px;
    padding: 4px 12px;
  }
  #tabletop-center .tc-val { font-size: 1.2em; }
  #tabletop-center .tc-label { font-size: .58em; }
}

@media(min-width:1600px){
  #main-container{
    display:grid;
    grid-template-columns:1fr 300px;
    grid-template-rows:auto auto 1fr auto;
    gap:0;
    padding:12px 20px;
    max-width:100%;
  }
  #stats-panel{grid-column:1;grid-row:1;max-height:fit-content}
  #hint-area{grid-column:1;grid-row:2;max-height:fit-content}
  #players-area{
    grid-column:1;grid-row:3;
    display:flex;flex-direction:row;flex-wrap:wrap;gap:14px;
    justify-content:center;align-items:flex-start;
    margin:0;max-width:none;overflow-y:auto;
  }
  .player-card{flex:0 1 380px;max-width:450px}
  .log-shell{
    grid-column:2;grid-row:1 / 5;
    max-height:none;height:auto;min-height:0;
  }
  #log-panel{
    max-height:none;height:auto;overflow-y:auto;flex:1;
  }
  #footer-bar{grid-column:1;grid-row:4}
  #players-area.tabletop-2p {
    margin: 0 auto;
    max-width: 800px;
    align-self: center;
    overflow: auto;
  }
  #players-area.tabletop-3p,
  #players-area.tabletop-4p {
    margin: 0 auto;
    max-width: 1000px;
    align-self: center;
    overflow: auto;
  }
}

@media(min-width:2200px){
  #main-container{grid-template-columns:1fr 340px}
  .player-card{flex:0 1 420px;max-width:500px}
  .card-shell{width:60px;height:86px}
}

/* ========== 音效 & 历史按钮 ========== */
#btn-sound{
  background:rgba(180,150,100,0.10);color:var(--gold-light);border:1px solid var(--gold-dim);
  padding:5px 10px;border-radius:6px;cursor:pointer;font-size:.85em;margin-left:0;
}
#btn-sound:hover{background:rgba(180,150,100,0.2)}
#btn-history{
  background:rgba(180,150,100,0.10);color:var(--gold-light);border:1px solid var(--gold-dim);
  padding:5px 10px;border-radius:6px;cursor:pointer;font-size:.85em;margin-left:0;
}
#btn-history:hover{background:rgba(180,150,100,0.2)}

/* ========== 历史面板（侧边滑出） ========== */
.history-panel{
  position:fixed;top:0;right:0;z-index:160;width:380px;max-width:100vw;height:100vh;
  background:var(--surface);border-left:2px solid var(--gold-dim);
  box-shadow:-4px 0 30px rgba(0,0,0,.6);
  display:flex;flex-direction:column;
  animation:slideInRight .3s ease-out;
  overflow:hidden;
}
.history-panel.hidden{display:none!important}
@keyframes slideInRight{from{transform:translateX(100%)}to{transform:translateX(0)}}

.history-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;background:var(--surface2);border-bottom:1px solid var(--gold-dim);
  flex-wrap:wrap;gap:8px;
}
.history-title{font-size:1.15em;font-weight:700;color:var(--gold)}
.history-header-actions{display:flex;align-items:center;gap:8px}
.history-streak{font-size:.85em;color:var(--red);font-weight:700}
.btn-sm{
  background:rgba(224,85,85,0.15);color:var(--red);border:1px solid var(--red);
  padding:4px 10px;border-radius:6px;cursor:pointer;font-size:.78em;font-weight:600;
  transition:background .15s;
}
.btn-sm:hover{background:rgba(224,85,85,0.25)}
.btn-close-panel{
  background:transparent;color:var(--text-dim);border:1px solid rgba(180,150,100,0.2);
  padding:4px 10px;border-radius:6px;cursor:pointer;font-size:.82em;
}
.btn-close-panel:hover{background:rgba(180,150,100,0.1);color:var(--text-bright)}

.history-body{padding:12px 16px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:12px}

/* 统计卡片 */
.history-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;
}
.history-stat-card{
  background:var(--surface2);border:1px solid rgba(180,150,100,0.15);border-radius:8px;
  padding:10px 6px;text-align:center;
}
.history-stat-card .stat-val{font-size:1.2em;font-weight:700;color:var(--gold-light)}
.history-stat-card .stat-label{font-size:.68em;color:var(--text-dim);margin-top:2px}
.history-stats-label{text-align:center;font-size:.7em;color:var(--text-dim);margin-bottom:6px;grid-column:1/-1}

/* 单人训练统计 */
#history-stats-solo{
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
  margin-top:8px;padding-top:8px;border-top:1px dashed rgba(180,150,100,0.15);
}

/* 难度筛选标签 */
.history-diff-filter{
  display:flex;gap:4px;margin:10px 0 6px;justify-content:center;
}
.diff-tag{
  padding:2px 10px;border-radius:10px;font-size:.7em;font-weight:600;
  background:rgba(180,150,100,0.08);color:rgba(180,150,100,0.6);
  border:1px solid rgba(180,150,100,0.12);cursor:pointer;transition:all .15s;
}
.diff-tag:hover{background:rgba(180,150,100,0.15);color:rgba(180,150,100,0.85)}
.diff-tag.active{background:rgba(180,150,100,0.2);color:var(--gold);border-color:rgba(180,150,100,0.3)}

/* 最佳解法 */
.history-best{
  background:var(--surface2);border:1px solid var(--gold-dim);border-radius:var(--radius);
  padding:12px;text-align:center;
}
.history-best .best-title{font-size:.85em;color:var(--gold);font-weight:700;margin-bottom:6px}
.history-best .best-name{color:var(--text-bright);font-weight:600}
.history-best .best-score{color:var(--gold-light);font-size:1.1em;font-weight:700}
.history-best .best-time{color:var(--text-dim);font-size:.8em}
.history-best .best-hand{color:var(--gold-light);font-size:.88em;font-family:'Consolas','Courier New',monospace;margin:4px 0}
.history-best .best-formula{color:var(--text);font-size:.82em;font-family:'Consolas','Courier New',monospace;word-break:break-all}
.history-best .best-tags{display:flex;flex-wrap:wrap;gap:4px;justify-content:center;margin-top:6px}

/* 记录列表 */
.history-records{display:flex;flex-direction:column;gap:8px}
.history-record{
  background:var(--surface2);border:1px solid rgba(180,150,100,0.1);border-radius:8px;
  padding:10px 12px;font-size:.82em;
}
.history-record .rec-header{display:flex;align-items:center;gap:6px;margin-bottom:4px}
.history-record .rec-result{font-weight:700}
.history-record .rec-result.win{color:var(--green)}
.history-record .rec-result.lose{color:var(--red)}
.history-record .rec-player{color:var(--text-dim);font-size:.78em}
.history-record .rec-score{color:var(--gold-light);font-weight:700}
.history-record .rec-time{color:var(--text-dim);font-size:.78em;margin-left:auto}
.history-record .rec-hand{color:var(--gold-light);font-size:.85em;font-family:'Consolas','Courier New',monospace}
.history-record .rec-formula{color:var(--text);font-size:.78em;font-family:'Consolas','Courier New',monospace;word-break:break-all;margin:2px 0}
.history-record .rec-tags{display:flex;flex-wrap:wrap;gap:3px;margin-top:4px}

.history-empty{color:var(--text-dim);text-align:center;padding:30px 0;font-style:italic;font-size:.9em}

/* 标签 pill */
.tag-pill{
  display:inline-block;padding:2px 8px;border-radius:10px;font-size:.7em;font-weight:700;
  white-space:nowrap;
  background:rgba(180,150,100,0.12);color:var(--gold-light);border:1px solid rgba(180,150,100,0.25);
}

/* 分数展示 */
#result-score{
  margin:8px 0;font-size:1.1em;font-weight:700;color:var(--gold-light);
}
#result-score .score-item{
  display:inline-block;background:rgba(180,150,100,0.1);border:1px solid rgba(180,150,100,0.2);
  border-radius:6px;padding:3px 8px;margin:2px 4px;font-size:.72em;color:var(--gold-light);
}

#result-tags{
  display:flex;flex-wrap:wrap;gap:5px;justify-content:center;margin:6px 0 10px;
}

/* 妙解评级条 */
#result-rating{
  text-align:center;margin:10px 0 6px;
  padding:6px 0;
  border-top:1px dashed rgba(212,175,55,0.22);
  border-bottom:1px dashed rgba(212,175,55,0.22);
  display:flex;align-items:center;justify-content:center;gap:6px;
}
#result-rating .rating-badge{font-size:1.6em;line-height:1;}
#result-rating .rating-score{font-size:.9em;color:var(--gold);font-weight:700;}

/* 历史面板 - 妙解评级增强 */
.history-record .rec-rating{color:var(--gold);font-weight:700;font-size:.8em;margin:2px 0;}
.best-rating{color:var(--gold);font-weight:700;font-size:.82em;margin:2px 0;}

/* 训练记录提示 */
.history-solo-note{
  text-align:center;color:var(--text-dim);font-size:.78em;
  padding:4px 0;border-bottom:1px dashed rgba(180,150,100,0.1);
}

/* 模式标签 */
.mode-tag{
  display:inline-block;padding:1px 6px;border-radius:8px;font-size:.65em;font-weight:600;
  white-space:nowrap;margin-left:4px;
  background:rgba(180,150,100,0.08);color:rgba(180,150,100,0.7);border:1px solid rgba(180,150,100,0.15);
}
.mode-tag.mode-ai{background:rgba(212,175,55,0.12);color:var(--gold);border:1px solid rgba(212,175,55,0.2)}
.mode-tag.mode-local{background:rgba(155,89,182,0.1);color:#b39ddb;border:1px solid rgba(155,89,182,0.15)}
.mode-tag.mode-solo{background:rgba(100,180,255,0.08);color:rgba(100,180,255,0.7);border:1px solid rgba(100,180,255,0.12)}

/* ========== 围桌模式布局 ========== */
#players-area.tabletop-2p {
  display: grid;
  grid-template-rows: 1fr auto 1fr;
  grid-template-columns: 1fr;
  height: calc(100vh - 180px);
  min-height: 420px;
  max-width: 800px;
  margin: 0 auto;
  gap: 0;
  align-items: center;
  overflow: auto;
  padding: 2px;
}

.player-card.player-top {
  grid-row: 1;
  transform: rotate(180deg);
  border-radius: 0 0 var(--radius) var(--radius);
}

.player-card.player-bottom {
  grid-row: 3;
  border-radius: var(--radius) var(--radius) 0 0;
}

/* 中央信息栏 */
#tabletop-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 8px 20px;
  background: var(--surface);
  border-top: 1px solid rgba(180,150,100,0.18);
  border-bottom: 1px solid rgba(180,150,100,0.18);
  overflow: hidden;
}
#tabletop-center .tc-stat { text-align: center; }
#tabletop-center .tc-val {
  font-size: 1.5em; font-weight: 700; color: var(--gold-light);
}
#tabletop-center .tc-label {
  font-size: 0.65em; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.08em;
}
#tabletop-center .tc-event {
  font-size: 0.72em; color: var(--text-dim);
  max-width: 180px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
  margin-left: 16px;
}
#tabletop-center .tc-event:empty {
  display: none;
}

/* 表达式展示框 */
.expr-display {
  flex: 1 1 130px; min-width: 110px; padding: 10px 12px; font-size: .95em;
  line-height: normal;
  border: 1px solid var(--gold-dim); border-radius: 8px; background: #0d1b30;
  color: var(--gold-light); font-family: 'Consolas','Courier New',monospace;
  display: flex; align-items: center;
  overflow-x: auto; white-space: nowrap;
}
.expr-display:empty::after {
  content: '组合算式 = 21';
  color: #445566;
}

.expr-display.remote-expr-action{animation:remoteExprPulse 420ms ease both}
@keyframes remoteExprPulse{
  0%{border-color:var(--gold-dim);box-shadow:none}
  45%{border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,169,110,.16)}
  100%{border-color:var(--gold-dim);box-shadow:none}
}

#players-area.tabletop-2p .player-card,
#players-area.tabletop-3p .player-card,
#players-area.tabletop-4p .player-card {
  gap: 6px;
  padding: 8px 12px;
}

#players-area.tabletop-2p .expr-display,
#players-area.tabletop-3p .expr-display,
#players-area.tabletop-4p .expr-display {
  flex: 0 0 auto;
}

#players-area.tabletop-2p .player-actions button,
#players-area.tabletop-3p .player-actions button,
#players-area.tabletop-4p .player-actions button {
  padding: 6px 10px;
  font-size: .78em;
}

#players-area.tabletop-2p .feedback,
#players-area.tabletop-3p .feedback,
#players-area.tabletop-4p .feedback {
  font-size: .72em;
  min-height: 2.2em;
  max-height: 3.6em;
  line-height: 1.15;
  overflow-y: auto;
}

/* ========== 3/4 人围桌共享布局 ========== */
#players-area.tabletop-3p,
#players-area.tabletop-4p {
  display: grid;
  grid-template-rows: 1fr auto 1fr;
  grid-template-columns: 1fr 1fr;
  height: calc(100vh - 180px);
  min-height: 420px;
  max-width: 1000px;
  margin: 0 auto;
  gap: 4px;
  align-items: center;
  overflow: auto;
  padding: 2px;
}

/* 3/4 人模式下进一步紧凑化 */
#players-area.tabletop-3p .player-card,
#players-area.tabletop-4p .player-card {
  max-width: none;
  min-width: 0;
}

#players-area.tabletop-3p .player-actions button,
#players-area.tabletop-4p .player-actions button {
  padding: 5px 8px;
  font-size: .72em;
}

#players-area.tabletop-3p .player-header,
#players-area.tabletop-4p .player-header {
  font-size: .9em;
  gap: 4px;
}

#players-area.tabletop-3p .symbol-bar button,
#players-area.tabletop-4p .symbol-bar button {
  padding: 5px 7px;
  font-size: .85em;
}

/* 中央信息区在 3/4 人下 */
#players-area.tabletop-3p #tabletop-center,
#players-area.tabletop-4p #tabletop-center {
  border-radius: var(--radius);
  gap: 20px;
  padding: 6px 16px;
}

/* 上下排边界圆角 */
#players-area.tabletop-3p .player-card.player-top,
#players-area.tabletop-4p .player-card.player-top {
  border-radius: 0 0 var(--radius) var(--radius);
}
#players-area.tabletop-3p .player-card.player-bottom,
#players-area.tabletop-4p .player-card.player-bottom {
  border-radius: var(--radius) var(--radius) 0 0;
}