/* ═══ PANW Cyber Showdown · 双人对战 ═══
   斗地主风格 · 桌布绿 + 暗金 + 扑克牌质感 */
:root{
  --felt-1:#1d5a3e;--felt-2:#0f3a26;--felt-3:#092719;
  --gold:#e6b65c;--gold-2:#f4d488;--gold-3:#b8862f;
  --ink:#f6efdd;--muted:#cbbf9e;--dim:#9a8f6f;
  --text:#f6efdd;
  --surface:rgba(14,20,16,.92);--card:#f7f1e3;--border:rgba(230,182,92,.4);
  --red:#d43a30;--red-2:#f05a4a;
  --green:#2ea76a;--black:#23262b;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  background:radial-gradient(ellipse 120% 80% at 50% 30%,var(--felt-1) 0%,var(--felt-2) 55%,var(--felt-3) 100%);
  background-attachment:fixed;color:var(--text);min-height:100vh;
}
body::before{content:'';position:fixed;inset:0;border:clamp(8px,1.8vw,20px) solid #3a2413;box-shadow:inset 0 0 0 2px rgba(0,0,0,.4);pointer-events:none;z-index:0}
body::after{content:'';position:fixed;inset:0;pointer-events:none;box-shadow:inset 0 0 140px rgba(0,0,0,.65),inset 0 0 30px rgba(0,0,0,.5);z-index:0}
.container{position:relative;z-index:1;max-width:760px;margin:0 auto;padding:20px 14px 44px}

/* ── Header ── */
.header{text-align:center;padding:20px 0 14px}
.header .logo{font-size:11px;letter-spacing:.3em;color:var(--dim);margin-bottom:7px}
.header .logo span{color:var(--gold)}
.header h1{font-size:30px;font-weight:900;letter-spacing:2px;color:var(--gold-2);text-shadow:0 2px 8px rgba(0,0,0,.6)}
.header .sub{font-size:13px;color:var(--muted);margin-top:4px}
.header::after{content:'';display:block;width:240px;height:2px;margin:14px auto 0;background:linear-gradient(90deg,transparent,var(--gold),transparent)}

/* ── 面板 ── */
.panel{background:linear-gradient(170deg,#2c2030,#1a1420);border:2px solid var(--border);border-radius:16px;padding:30px 26px;text-align:center;box-shadow:0 18px 50px rgba(0,0,0,.6),inset 0 0 40px rgba(0,0,0,.35)}
.panel h2{font-size:21px;margin-bottom:8px;color:var(--gold-2);letter-spacing:1px}
.panel p{font-size:13px;color:var(--muted);margin-bottom:20px;line-height:1.7}
.panel input{width:100%;padding:13px;background:rgba(0,0,0,.35);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:18px;text-align:center;font-family:inherit;margin-bottom:14px;letter-spacing:1px}
.panel input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 14px rgba(230,182,92,.25)}
.panel input.uppercase{text-transform:uppercase}

/* ── 按钮 ── */
.btn{padding:13px 26px;border-radius:12px;font-size:16px;font-weight:800;letter-spacing:1px;cursor:pointer;border:none;font-family:inherit;transition:all .2s;display:inline-flex;align-items:center;justify-content:center;gap:8px;color:#3a2400;background:linear-gradient(180deg,var(--gold-2),var(--gold) 55%,#c9973e);box-shadow:0 3px 0 #8a621f,0 6px 14px rgba(0,0,0,.5)}
.btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn:active{transform:translateY(2px);box-shadow:0 1px 0 #8a621f,0 3px 8px rgba(0,0,0,.5)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;filter:grayscale(.55)}
.btn-block{width:100%;font-size:17px;letter-spacing:2px}
.btn-ghost{color:#fff;background:linear-gradient(180deg,#8b93a3,#5d6472 55%,#4a505c);box-shadow:0 3px 0 #333a46,0 6px 14px rgba(0,0,0,.5)}
.btn-sm{padding:9px 18px;font-size:13px}
.btn-row{display:flex;gap:10px;flex-wrap:wrap}
.btn-row .btn{flex:1;min-width:130px}
.link-btn{margin-top:14px;background:none;border:none;color:var(--muted);font-size:13px;cursor:pointer;text-decoration:underline;font-family:inherit}
.link-btn:hover{color:var(--gold-2)}

/* ── 大厅 / 等待 布局 ── */
.phase{display:none}
.phase.active{display:block}
.lobby-wrap,.waiting-wrap{max-width:430px;margin:30px auto}
.room-code{font-size:64px;font-weight:900;letter-spacing:14px;color:var(--gold-2);text-shadow:0 3px 14px rgba(0,0,0,.6);margin:12px 0;font-family:ui-monospace,Menlo,Consolas,monospace}
.waiting-hint{font-size:14px;color:var(--muted);margin-bottom:22px}
.waiting-dots::after{content:'';animation:dots 1.4s steps(4,end) infinite}
@keyframes dots{0%{content:''}25%{content:'·'}50%{content:'··'}75%{content:'···'}}

/* ── 对局牌桌 ── */
.vs-table{position:relative;border:2px solid rgba(230,182,92,.25);border-radius:20px;background:radial-gradient(ellipse 90% 70% at 50% 42%,#256e4c 0%,#124a30 70%,#0b3420 100%);box-shadow:inset 0 0 60px rgba(0,0,0,.5),0 12px 40px rgba(0,0,0,.55);padding:14px 12px 16px;min-height:70vh;display:flex;flex-direction:column}
.top-strip{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:8px}
.mini-stat{background:rgba(0,0,0,.4);border:1px solid var(--border);border-radius:10px;padding:6px 12px;font-size:11px;color:var(--muted);letter-spacing:.06em}
.mini-stat b{color:var(--gold-2);font-size:14px}

/* 玩家信息栏 */
.player-bar{display:flex;align-items:center;gap:10px;background:rgba(0,0,0,.38);border:1px solid var(--border);border-radius:12px;padding:8px 12px}
.player-bar.me{border-color:var(--gold)}
.player-bar.acting{border-color:var(--gold);animation:actingPulse 1.3s ease-in-out infinite}
@keyframes actingPulse{0%,100%{box-shadow:0 0 6px rgba(230,182,92,.35)}50%{box-shadow:0 0 18px rgba(230,182,92,.8)}}
.player-bar .avatar{font-size:26px;line-height:1}
.player-bar .pname{font-size:14px;font-weight:800;color:var(--gold-2);letter-spacing:1px}
.player-bar .tag{font-size:10px;color:var(--muted);margin-top:1px}
.hp-hearts{font-size:19px;letter-spacing:2px;margin-left:auto}
.hp-hearts .lost{filter:grayscale(1);opacity:.3}
.hp-hearts.flash{animation:hpFlash .55s ease}
@keyframes hpFlash{0%{transform:scale(1)}35%{transform:scale(1.6);filter:drop-shadow(0 0 10px #f05a4a)}100%{transform:scale(1)}}
.turn-badge{display:inline-block;background:var(--gold);color:#3a2400;font-size:10px;font-weight:900;padding:2px 8px;border-radius:20px;letter-spacing:1px;margin-left:6px;vertical-align:middle}

/* 对手手牌(牌背) */
.opp-hand{display:flex;justify-content:center;gap:6px;min-height:52px;margin:10px 0}
.card-back{width:38px;height:52px;border-radius:6px;background:linear-gradient(135deg,#3a2c8f,#251a5e 60%,#1a1140);border:1px solid #5745b8;box-shadow:0 3px 8px rgba(0,0,0,.5),inset 0 0 0 2px rgba(255,255,255,.12);position:relative}
.card-back::after{content:'PANW';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:8px;letter-spacing:.1em;color:rgba(255,255,255,.55);font-weight:800;writing-mode:vertical-rl}

/* 中央出牌区 */
.center-zone{flex:1;display:flex;align-items:center;justify-content:center;gap:14px;padding:14px 0;min-height:180px}
.center-slot{width:130px;min-height:176px;display:flex;align-items:center;justify-content:center}
.center-slot.empty{border:2px dashed rgba(230,182,92,.25);border-radius:12px;color:var(--dim);font-size:12px;letter-spacing:1px}
.vs-tag{font-size:15px;color:var(--gold-2);font-weight:900;letter-spacing:1px;text-shadow:0 1px 4px rgba(0,0,0,.6)}
.center-msg{flex:1;text-align:center;font-size:13px;color:var(--muted);line-height:1.6;min-height:20px}

/* 卡牌 */
.vs-card{
  position:relative;width:128px;min-height:172px;border-radius:11px;overflow:hidden;
  background:radial-gradient(130% 95% at 22% 8%,#ffffff 0%,#f7f1e3 62%,#eae0c8 100%);
  border:1px solid #cfc6ad;
  box-shadow:0 6px 16px rgba(0,0,0,.5),inset 0 0 0 1px rgba(255,255,255,.5);
  display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:28px 10px 12px;transition:transform .18s,box-shadow .18s;
  --tc:#d43a30;
}
.vs-card::before{content:'';position:absolute;top:0;left:0;right:0;height:6px;background:var(--tc)}
.vs-card.attack{border-color:rgba(0,0,0,.2)}
.vs-card.defense{border-color:rgba(0,0,0,.2)}
.vs-card .c-corner{position:absolute;top:10px;left:11px;font-weight:900;color:var(--tc);font-size:17px;line-height:1}
.vs-card .c-icon{font-size:40px;margin-bottom:6px;filter:drop-shadow(0 2px 3px rgba(0,0,0,.2))}
.vs-card .c-name{font-size:15px;font-weight:800;color:#2c2620;line-height:1.2;margin-bottom:3px}
.vs-card .c-en{font-size:9px;color:#a08d76;text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}
.vs-card .c-blocks{margin-top:auto;width:100%;padding-top:8px;border-top:1px solid rgba(0,0,0,.12);font-size:11px;font-weight:700;color:var(--tc)}
.vs-card.wild{border-color:var(--gold);background:radial-gradient(130% 95% at 22% 8%,#fffbe8 0%,#f8ecc0 62%,#e9d59e 100%);box-shadow:0 0 16px rgba(230,182,92,.55),inset 0 0 0 1px rgba(255,255,255,.6)}
.vs-card.wild::before{background:linear-gradient(90deg,#e6b65c,#f4d488,#e6b65c)}
.vs-card.wild .c-name{color:#8a621f}
.vs-card.playable{cursor:pointer}
.vs-card.playable:hover{transform:translateY(-10px);box-shadow:0 0 0 3px rgba(244,212,136,.85),0 14px 30px rgba(0,0,0,.55)}
.vs-card.dim{opacity:.38;filter:grayscale(.6)}

/* 我方手牌区 */
.my-hand{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:12px 0}
.zone-label{text-align:center;font-size:11px;color:var(--dim);letter-spacing:.15em;margin-top:6px}
.zone-label b{color:var(--gold-2)}

/* 底部控制 */
.bottom-actions{display:flex;gap:10px;justify-content:center;margin-top:12px}
.bottom-actions .btn{min-width:130px}
.turn-hint{text-align:center;font-size:13px;color:var(--gold-2);margin-top:10px;min-height:20px;font-weight:700;letter-spacing:1px}

/* ── 解释面板 ── */
.overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(5,10,8,.72);backdrop-filter:blur(3px);display:none;justify-content:center;align-items:center;z-index:100;padding:20px}
.overlay.show{display:flex}
.explain-box{background:linear-gradient(170deg,#2c2030,#1a1420);border:2px solid var(--border);border-radius:16px;padding:30px 26px;max-width:470px;width:100%;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.6);animation:popIn .3s ease}
.explain-icon{font-size:50px;margin-bottom:6px;line-height:1}
.explain-title{font-size:21px;font-weight:800;margin-bottom:12px;color:var(--gold-2)}
.explain-title.ok{color:var(--green)}
.explain-title.bad{color:var(--red-2)}
.explain-match{font-size:13px;color:var(--muted);margin-bottom:12px}
.explain-match strong{color:var(--gold-2);font-size:15px;display:inline-block;margin-top:2px}
.explain-text{font-size:14px;color:var(--text);line-height:1.7;text-align:left;background:rgba(0,0,0,.25);border:1px solid var(--border);border-radius:10px;padding:14px;margin-bottom:18px}
@keyframes popIn{from{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}

/* ── 终局 ── */
.gameover-box{max-width:440px;margin:30px auto}
.gameover-box .big{font-size:56px;margin-bottom:8px}
.gameover-box .result-title{font-size:28px;font-weight:900;color:var(--gold-2);letter-spacing:2px;margin-bottom:6px;text-shadow:0 2px 10px rgba(0,0,0,.5)}
.gameover-box .result-title.win{color:var(--green)}
.gameover-box .result-title.lose{color:var(--red-2)}
.gameover-box .detail{font-size:14px;color:var(--muted);margin-bottom:20px;line-height:1.7}

/* ── 日志 ── */
.log{background:rgba(0,0,0,.38);border:1px solid var(--border);border-radius:10px;padding:10px;max-height:120px;overflow-y:auto;margin-top:12px}
.log .entry{font-size:11px;color:var(--muted);padding:2px 0;border-bottom:1px solid rgba(255,255,255,.04)}
.log .entry .ts{color:var(--dim);margin-right:6px;font-size:10px}

/* ── Toast ── */
.toast{position:fixed;top:18px;left:50%;transform:translateX(-50%);background:rgba(0,0,0,.85);border:1px solid var(--border);color:var(--text);padding:10px 18px;border-radius:10px;font-size:13px;z-index:200;opacity:0;transition:opacity .25s;pointer-events:none;max-width:90vw;text-align:center}
.toast.show{opacity:1}

@media(max-width:560px){
  .header h1{font-size:24px}
  .room-code{font-size:48px;letter-spacing:10px}
  .vs-card{width:112px;min-height:152px}
  .vs-card .c-icon{font-size:34px}
  .center-slot{width:112px;min-height:152px}
  .card-back{width:32px;height:44px}
  .my-hand{gap:7px}
}