:root{
  --bg:#080b11;
  --bg2:#0e1420;
  --card:#141c28;
  --card2:#1b2534;
  --line:#253144;
  --txt:#eaf2ff;
  --sub:#8fa3bf;
  --neon:#00e6a8;
  --neon2:#00b3ff;
  --warn:#ffb020;
  --danger:#ff5470;
  --radius:16px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(0,179,255,.18), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(124,77,255,.18), transparent 55%),
    var(--bg);
  color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  min-height:100vh;
  padding-bottom:120px;
}
.wrap{max-width:960px;margin:0 auto;padding:0 14px}

/* 顶部 */
.hero{padding:26px 0 14px;text-align:center}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:24px;font-weight:800;letter-spacing:1px;
  background:linear-gradient(90deg,var(--neon),var(--neon2) 60%,#a06bff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.logo-dot{width:10px;height:10px;border-radius:50%;background:var(--neon);box-shadow:0 0 14px var(--neon)}
.hero p{margin:8px 0 0;color:var(--sub);font-size:13px}

/* 卡片通用 */
.panel{background:linear-gradient(180deg,var(--card),var(--bg2));border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin-top:14px}
.panel h3{margin:0 0 10px;font-size:15px;display:flex;align-items:center;gap:8px}
.panel h3 .tag{font-size:11px;color:var(--sub);font-weight:400}

/* 房间号 */
.room-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.room-input{flex:1;min-width:180px;position:relative}
.room-input input{
  width:100%;padding:14px 14px 14px 44px;border-radius:12px;
  background:#0b1220;border:1px solid var(--line);color:var(--txt);font-size:16px;outline:none;
}
.room-input input:focus{border-color:var(--neon);box-shadow:0 0 0 3px rgba(0,230,168,.12)}
.room-input .ico{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--sub);font-size:16px}
.saved-tip{font-size:12px;color:var(--sub);margin-top:8px}

/* 分类 Tab */
.tabs{display:flex;gap:8px;margin-top:16px;position:sticky;top:0;z-index:20;padding:8px 0;background:linear-gradient(180deg,var(--bg) 60%,transparent)}
.tab{
  flex:1;text-align:center;padding:11px 8px;border-radius:12px;cursor:pointer;
  background:var(--card);border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--sub);
  transition:.18s;
}
.tab.active{color:#04121a;background:linear-gradient(135deg,var(--neon),#4ef2c8);border-color:transparent;box-shadow:0 6px 18px rgba(0,230,168,.25)}
.tab .cnt{font-size:11px;opacity:.8;margin-left:4px}

/* 规则条 */
.rulebar{
  display:flex;gap:8px;align-items:center;font-size:12px;color:var(--sub);
  background:rgba(0,179,255,.07);border:1px dashed rgba(0,179,255,.28);
  border-radius:12px;padding:9px 12px;margin-top:6px;
}
.rulebar b{color:var(--neon2)}

/* 商品网格 */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px}
@media(min-width:720px){.grid{grid-template-columns:repeat(3,1fr)}}
.item{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  cursor:pointer;transition:.18s;user-select:none;
}
.item:active{transform:scale(.98)}
.item .pic{position:relative;width:100%;aspect-ratio:4/3;background:#0b1220;overflow:hidden}
.item .pic img{width:100%;height:100%;object-fit:cover;display:block}
.item .ph{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:4px;
  background:linear-gradient(135deg,#1d2740,#121a2a);color:#6f86a8;font-size:12px;
}
.item .ph .big{font-size:22px;font-weight:800;color:#4a5f80}
.item .body{padding:9px 10px 11px}
.item .nm{font-size:13px;font-weight:600;line-height:1.35;min-height:36px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.item .stk{margin-top:6px;font-size:11px;color:var(--sub)}
.item .stk .n{color:var(--neon)}
.item.out{opacity:.45;cursor:not-allowed}
.item.out .stk .n{color:var(--danger)}
.item.sel{border-color:var(--neon);box-shadow:0 0 0 2px rgba(0,230,168,.35),0 10px 24px rgba(0,230,168,.12)}
.item.sel .body{background:linear-gradient(180deg,rgba(0,230,168,.10),transparent)}
.check{
  position:absolute;right:8px;top:8px;width:26px;height:26px;border-radius:50%;
  background:linear-gradient(135deg,var(--neon),#3ef0bf);color:#04140f;display:none;
  align-items:center;justify-content:center;font-size:15px;font-weight:900;box-shadow:0 4px 12px rgba(0,0,0,.4);
}
.item.sel .check{display:flex}
.badge-out{
  position:absolute;left:0;top:10px;background:rgba(255,84,112,.92);color:#fff;font-size:11px;
  padding:3px 8px;border-radius:0 8px 8px 0;font-weight:700;
}

/* 底部结算 */
.bar{
  position:fixed;left:0;right:0;bottom:0;z-index:40;
  background:rgba(10,15,23,.94);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);padding:10px 14px calc(10px + env(safe-area-inset-bottom));
}
.bar-in{max-width:960px;margin:0 auto;display:flex;gap:12px;align-items:center}
.selinfo{flex:1;font-size:12px;color:var(--sub);line-height:1.5;min-width:0}
.selinfo .t{color:var(--txt);font-size:13px;font-weight:600}
.selinfo .chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:4px}
.chip{background:#182234;border:1px solid var(--line);border-radius:20px;padding:2px 9px;font-size:11px;color:#cfe0f5;max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.btn{
  border:none;border-radius:12px;padding:14px 22px;font-size:15px;font-weight:800;cursor:pointer;
  background:linear-gradient(135deg,var(--neon),#3ef0bf);color:#04140f;white-space:nowrap;transition:.15s;
}
.btn:active{transform:scale(.97)}
.btn:disabled{background:#2a3547;color:#7d8ba1;cursor:not-allowed}
.btn.ghost{background:#182234;color:#cfe0f5;border:1px solid var(--line)}

/* 弹窗 */
.mask{position:fixed;inset:0;background:rgba(3,6,12,.72);backdrop-filter:blur(4px);z-index:60;display:none;align-items:center;justify-content:center;padding:18px}
.mask.show{display:flex}
.modal{background:linear-gradient(180deg,#16202f,#0d1421);border:1px solid var(--line);border-radius:18px;padding:22px;max-width:420px;width:100%;text-align:center;animation:pop .22s ease}
@keyframes pop{from{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}
.modal .ok-ico{width:56px;height:56px;border-radius:50%;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;font-size:28px;background:rgba(0,230,168,.14);color:var(--neon);border:1px solid rgba(0,230,168,.35)}
.modal h2{margin:0 0 6px;font-size:18px}
.modal p{margin:6px 0;color:var(--sub);font-size:13px;line-height:1.6}
.order-no{font-size:26px;font-weight:900;letter-spacing:2px;color:var(--neon);margin:10px 0}
.status-pill{display:inline-block;padding:6px 14px;border-radius:20px;font-size:12px;font-weight:700;margin-top:6px}
.st-pending{background:rgba(255,176,32,.14);color:var(--warn);border:1px solid rgba(255,176,32,.3)}
.st-confirmed{background:rgba(0,230,168,.14);color:var(--neon);border:1px solid rgba(0,230,168,.3)}
.st-finished{background:rgba(143,163,191,.12);color:var(--sub);border:1px solid rgba(143,163,191,.25)}
.st-cancelled{background:rgba(255,84,112,.12);color:var(--danger);border:1px solid rgba(255,84,112,.3)}
.modal .acts{margin-top:16px;display:flex;gap:10px}
.modal .acts .btn{flex:1;padding:12px}

/* Toast */
.toast{
  position:fixed;left:50%;top:22%;transform:translate(-50%,-10px);z-index:80;
  background:rgba(20,28,40,.96);border:1px solid var(--line);color:var(--txt);
  padding:11px 18px;border-radius:12px;font-size:13px;opacity:0;pointer-events:none;transition:.2s;max-width:80%;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

.empty{text-align:center;color:var(--sub);padding:40px 0;font-size:13px}
.foot{text-align:center;color:#5b6d88;font-size:11px;padding:22px 0 8px}