:root{
  --bg:#0f1226;
  --bg2:#171a35;
  --card:#1d2142;
  --card2:#232852;
  --line:#2c3160;
  --txt:#eef1ff;
  --muted:#9aa3d0;
  --accent:#ffcf4d;
  --accent2:#5b8cff;
  --good:#3ddc97;
  --bad:#ff6b6b;
  --radius:14px;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:radial-gradient(1200px 800px at 70% -10%,#1b2050 0%,var(--bg) 55%);color:var(--txt);min-height:100vh;padding-bottom:24px}
.topbar{display:flex;align-items:center;gap:16px;padding:14px 20px;border-bottom:1px solid var(--line);background:rgba(15,18,38,.7);backdrop-filter:blur(6px);position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:12px;flex:1}
.logo{font-size:30px}
.topbar h1{font-size:20px;letter-spacing:1px}
.sub{font-size:12px;color:var(--muted)}
.seedbox{display:flex;flex-direction:column;align-items:flex-end;background:var(--card);border:1px solid var(--line);padding:6px 12px;border-radius:10px;min-width:160px}
.seed-label{font-size:11px;color:var(--muted)}
.seed-value{font-family:ui-monospace,Consolas,monospace;font-size:15px;color:var(--accent);font-weight:700;word-break:break-all;text-align:right}
.btn{cursor:pointer;border:1px solid var(--line);background:var(--card2);color:var(--txt);padding:9px 14px;border-radius:10px;font-size:14px;transition:.15s}
.btn:hover{border-color:var(--accent2)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.primary{background:linear-gradient(135deg,var(--accent2),#7a5bff);border:none;color:#fff;font-weight:600}
.btn.ghost{background:transparent}
.btn.small{padding:6px 10px;font-size:13px}
.btn.block{width:100%;margin-top:8px}
.btn.big{font-size:20px;padding:14px 28px;font-weight:700}
.btn.stop{background:linear-gradient(135deg,#ff7a59,#ff4d6d);border:none;color:#fff}
.layout{display:grid;grid-template-columns:340px 1fr 340px;gap:16px;padding:16px;align-items:start}
.panel{display:flex;flex-direction:column;gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.card.grow{display:flex;flex-direction:column;min-height:300px}
.card h2{font-size:15px;margin-bottom:10px;color:var(--txt)}
.hint{font-size:12px;color:var(--muted);margin-bottom:10px}
.dropzone{display:flex;flex-direction:column;align-items:center;gap:8px;border:2px dashed var(--line);border-radius:12px;padding:18px;cursor:pointer;text-align:center;transition:.15s}
.dropzone.drag{border-color:var(--accent);background:rgba(255,207,77,.08)}
.dz-icon{font-size:28px}
.dz-text{font-size:13px;color:var(--muted);line-height:1.5}
.row{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.cols label{display:flex;flex-direction:column;font-size:12px;color:var(--muted);gap:4px;flex:1;min-width:80px}
select,input[type=number],input[type=text]{background:var(--bg2);color:var(--txt);border:1px solid var(--line);border-radius:8px;padding:7px 8px;font-size:13px}
.stat{margin-top:12px;font-size:13px;color:var(--muted);background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:8px 10px}
.preview{margin-top:10px;font-size:13px}
.preview summary{cursor:pointer;color:var(--accent2)}
.namelist{max-height:180px;overflow:auto;margin-top:8px;display:grid;grid-template-columns:1fr 1fr;gap:4px 12px;font-size:12px;color:var(--txt)}
.namelist li{list-style:none;padding:2px 0;border-bottom:1px solid var(--line)}
.prizelist{display:flex;flex-direction:column;gap:8px;margin-bottom:10px}
.prize-item{display:flex;align-items:center;gap:8px;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:8px}
.prize-item input[type=text]{flex:1;min-width:0}
.prize-item input[type=number]{width:64px}
.prize-item .del{cursor:pointer;color:var(--bad);border:none;background:transparent;font-size:18px;padding:0 6px}
.seg-badge{flex:0 0 auto;font-size:12px;font-weight:700;padding:2px 8px;border-radius:999px;letter-spacing:1px;white-space:nowrap}
.seg-badge.north{background:rgba(91,140,255,.18);color:#7fa6ff;border:1px solid rgba(91,140,255,.5)}
.seg-badge.south{background:rgba(255,138,91,.18);color:#ffae84;border:1px solid rgba(255,138,91,.5)}
.seg-badge.unknown{background:rgba(255,90,90,.14);color:#ff8a8a;border:1px solid rgba(255,90,90,.45)}
.namelist li.seg-unknown{color:#ff8a8a}
.namelist li.seg-unknown::after{content:" ⚠";color:#ff8a8a}

/* ===== 舞台 ===== */
.stage{background:linear-gradient(160deg,#1a1f47,#0f1226);border:1px solid var(--line);border-radius:20px;min-height:560px;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:22px 20px 26px;text-align:center;position:relative;overflow:hidden}
.stage::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 50% 30%,rgba(91,140,255,.18),transparent);pointer-events:none}
.stage-mode-tag{font-size:13px;color:var(--muted);background:var(--bg2);border:1px solid var(--line);padding:4px 12px;border-radius:999px;z-index:1;margin-bottom:10px}
.wheel-wrap{position:relative;width:100%;max-width:440px;margin:6px auto 4px;z-index:1}
#wheel{display:block;margin:0 auto;border-radius:50%;background:#0f1226;box-shadow:0 0 0 6px rgba(255,207,77,.18),0 14px 44px rgba(0,0,0,.55)}
/* 大手指针：顶部向下的三角，指向转盘正中 */
.pointer{position:absolute;top:-4px;left:50%;transform:translateX(-50%);width:0;height:0;border-left:18px solid transparent;border-right:18px solid transparent;border-top:36px solid var(--accent);filter:drop-shadow(0 3px 5px rgba(0,0,0,.6));z-index:3}
.pointer::after{content:"";position:absolute;top:-44px;left:-9px;width:18px;height:18px;border-radius:50%;background:var(--accent);box-shadow:0 2px 6px rgba(0,0,0,.5)}
.stage-prize{font-size:22px;color:var(--accent);font-weight:700;letter-spacing:2px;z-index:1;margin-top:8px;min-height:1.3em}
.stage-prize.seg-北{color:#7fa6ff}
.stage-prize.seg-南{color:#ffae84}
.stage-prize.seg-unknown{color:#ff8a8a}
.stage-name{font-size:clamp(34px,7vw,72px);font-weight:800;margin:10px 0;z-index:1;text-shadow:0 4px 30px rgba(91,140,255,.4);min-height:1.2em;word-break:break-all}
.stage-name.win{color:var(--accent);animation:pop .5s ease}
@keyframes pop{0%{transform:scale(.6);opacity:0}100%{transform:scale(1);opacity:1}}
.stage-sub{font-size:15px;color:var(--muted);z-index:1;margin-top:4px}

/* BGM 状态行 */
.bgm-row{display:flex;align-items:center;gap:10px;margin-top:14px;z-index:1}
.bgm-stat{font-size:13px;color:var(--muted);background:var(--bg2);border:1px solid var(--line);padding:5px 10px;border-radius:999px}
.bgm-stat.err{color:#ffae84;border-color:rgba(255,138,91,.5)}

/* 抽奖方式切换 */
.mode-select{display:flex;align-items:center;gap:8px;margin-top:16px;flex-wrap:wrap;justify-content:center;z-index:1}
.mode-label{font-size:13px;color:var(--muted)}
.mode-btn{cursor:pointer;border:1px solid var(--line);background:var(--bg2);color:var(--muted);padding:8px 14px;border-radius:999px;font-size:14px;transition:.15s}
.mode-btn:hover{border-color:var(--accent2)}
.mode-btn.active{background:linear-gradient(135deg,var(--accent2),#7a5bff);border:none;color:#fff;font-weight:600}

.stage-actions{display:flex;gap:14px;margin-top:18px;z-index:1;flex-wrap:wrap;justify-content:center}

.resultlist{flex:1;overflow:auto;display:flex;flex-direction:column;gap:8px;margin-bottom:10px}
.result-item{display:flex;justify-content:space-between;align-items:center;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.result-item .pz{color:var(--accent);font-weight:600}
.result-item .winner{font-weight:700}
.result-item .empty{color:var(--muted);font-size:13px}
.result-actions{display:flex;gap:8px}
.verify-out{margin-top:10px;font-size:13px;line-height:1.6}
.verify-out.ok{color:var(--good)}
.verify-out.err{color:var(--bad)}
.placeholder{color:var(--muted);font-size:13px;text-align:center;padding:30px 0}

/* 移动端 */
@media(max-width:980px){
  .layout{grid-template-columns:1fr}
  .stage{min-height:420px;order:-1}
  .wheel-wrap{max-width:320px}
}