:root{
  --bg-1:#0f1729; --bg-2:#1a2342; --card:rgba(255,255,255,0.05);
  --border:rgba(255,255,255,0.10); --text:#e8edf7; --muted:#8b97b3;
  --q:#ff6b6b; --h:#4ecdc4; --l:#ffd93d;
  --good:#3ddc84; --bad:#ff5252;
  --shadow:0 8px 32px rgba(0,0,0,0.37);
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:"Segoe UI","Microsoft YaHei",system-ui,sans-serif;
  background:radial-gradient(circle at 20% 0%,#1e2a5e 0%,var(--bg-1) 45%,var(--bg-2) 100%);
  background-attachment:fixed;color:var(--text);min-height:100vh;
  padding:24px;line-height:1.5;
}
.wrap{max-width:1280px;margin:0 auto}

/* header */
header{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  background:var(--card);border:1px solid var(--border);border-radius:20px;
  padding:24px 28px;backdrop-filter:blur(12px);box-shadow:var(--shadow);margin-bottom:24px}
.brand{display:flex;align-items:center;gap:16px}
.logo{width:54px;height:54px;border-radius:15px;display:grid;place-items:center;
  background:linear-gradient(135deg,#6a5acd,#4ecdc4);font-size:28px;box-shadow:0 0 20px rgba(78,205,196,.5)}
h1{font-size:24px;font-weight:700;letter-spacing:.5px}
.sub{font-size:13px;color:var(--muted);margin-top:2px}
.today{text-align:right}
.today .d{font-size:22px;font-weight:700;background:linear-gradient(90deg,#4ecdc4,#ffd93d);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.today .l{font-size:12px;color:var(--muted)}

/* stat cards */
.grid{display:grid;gap:18px}
.stats{grid-template-columns:repeat(auto-fit,minmax(232px,1fr))}

.card{background:var(--card);border:1px solid var(--border);border-radius:18px;
  padding:20px;backdrop-filter:blur(12px);box-shadow:var(--shadow);position:relative;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.5)}
.card::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--accent,#4ecdc4)}
.card .who{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.avatar{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  font-size:18px;font-weight:700;color:#fff}
.name{font-weight:600;font-size:15px}
.tag{font-size:11px;color:var(--muted)}
.big{font-size:28px;font-weight:700;font-variant-numeric:tabular-nums}
.mini{display:flex;gap:14px;margin-top:12px;font-size:12px;color:var(--muted);flex-wrap:wrap}
.mini b{color:var(--text);font-weight:600}
.crown{position:absolute;top:14px;right:16px;font-size:20px;opacity:0;transition:opacity .3s}
.card.lead .crown{opacity:1}

/* summary card */
.sum{--accent:#ffd93d}
.sum .big{font-size:32px;background:linear-gradient(90deg,#ffd93d,#4ecdc4,#ff6b6b);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sum .mini b{color:var(--good)}
.today-card{--accent:#3ddc84;border-color:rgba(61,220,132,.35);
  background:linear-gradient(135deg,rgba(61,220,132,.12),rgba(78,205,196,.05))}
.today-card .big{font-size:26px}

/* input form */
.form-card{margin-bottom:24px}
.form-card h2{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
form{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr auto;gap:12px;align-items:end}
@media(max-width:760px){form{grid-template-columns:1fr 1fr;gap:10px}
  form .full{grid-column:1/-1}}
label{font-size:12px;color:var(--muted);display:block;margin-bottom:5px}
input{width:100%;background:rgba(0,0,0,.25);border:1px solid var(--border);border-radius:10px;
  padding:11px 13px;color:var(--text);font-size:15px;font-variant-numeric:tabular-nums;outline:none;
  transition:border-color .2s,box-shadow .2s}
input:focus{border-color:#4ecdc4;box-shadow:0 0 0 3px rgba(78,205,196,.2)}
button{background:linear-gradient(135deg,#4ecdc4,#6a5acd);color:#fff;border:none;border-radius:10px;
  padding:11px 22px;font-size:15px;font-weight:600;cursor:pointer;transition:transform .15s,box-shadow .2s;
  white-space:nowrap}
button:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(78,205,196,.4)}
button:active{transform:translateY(0)}
button.ghost{background:transparent;border:1px solid var(--border);color:var(--muted)}
button.ghost:hover{color:var(--text);border-color:var(--muted);box-shadow:none}
.btn-row{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}

/* charts */
.charts{grid-template-columns:1.5fr 1fr;margin-bottom:24px}
@media(max-width:980px){.charts{grid-template-columns:1fr}}
.chart-box{height:320px;position:relative;margin-top:8px}

/* table */
.table-card h2{font-size:17px;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.table-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--border)}
table{width:100%;border-collapse:collapse;min-width:560px}
th,td{padding:13px 16px;text-align:center;font-variant-numeric:tabular-nums}
th{font-size:12px;color:var(--muted);font-weight:600;border-bottom:1px solid var(--border);
  position:sticky;top:0;background:rgba(15,23,41,.95);backdrop-filter:blur(6px)}
td{border-bottom:1px solid rgba(255,255,255,.05);font-size:15px}
tr:hover td{background:rgba(255,255,255,.03)}
.pill{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}
.del{color:var(--bad);cursor:pointer;border:none;background:none;font-size:16px;padding:4px 8px;
  border-radius:6px;transition:background .2s}
.del:hover{background:rgba(255,82,82,.15)}
.empty{text-align:center;padding:40px;color:var(--muted)}

/* ranking */
.rank{list-style:none;display:flex;flex-direction:column;gap:10px;margin-top:14px}
.rank li{display:flex;align-items:center;gap:12px;background:rgba(0,0,0,.2);border:1px solid var(--border);
  border-radius:12px;padding:12px 16px;transition:transform .2s}
.rank li:hover{transform:translateX(4px)}
.rk{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-weight:700;font-size:13px}
.rk-1{background:linear-gradient(135deg,#ffd700,#ffb347);color:#3a2a00}
.rk-2{background:linear-gradient(135deg,#c0c0c0,#a8a8a8);color:#222}
.rk-3{background:linear-gradient(135deg,#cd7f32,#a0632a);color:#fff}
.rk-x{background:rgba(255,255,255,.08);color:var(--muted)}
.rank .nm{flex:1;font-weight:600}
.rank .vl{font-weight:700;font-variant-numeric:tabular-nums}

.foot{text-align:center;color:var(--muted);font-size:12px;margin-top:30px;padding:16px}
.badge{font-size:12px;padding:3px 10px;border-radius:20px;font-weight:600;
  background:linear-gradient(135deg,#4ecdc4,#6a5acd);color:#fff}

@keyframes pop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.anim{animation:pop .4s ease both}

/* settings page helpers */
a{color:inherit;text-decoration:none}
.back{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:14px;
  text-decoration:none;transition:color .2s}
.back:hover{color:var(--text)}

/* login gate (original password-gate look) */
.gate{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 20% 0%,#1e2a5e 0%,#0f1729 45%,#1a2342 100%)}
.gate-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:36px 34px;
  width:min(360px,92vw);backdrop-filter:blur(14px);box-shadow:var(--shadow);text-align:center;animation:pop .5s ease both}
.gate-card .logo{margin:0 auto 16px}
.gate-card h1{font-size:20px;margin-bottom:6px}
.gate-card p{font-size:12px;color:var(--muted);margin-bottom:20px}
.gate-card label{display:block;font-size:15px;font-weight:600;margin-bottom:14px;color:var(--text)}
.gate-card input{display:block;width:100%;box-sizing:border-box;text-align:center;margin:0 0 14px;font-size:16px}
.gate-card button{width:100%;box-sizing:border-box}
.gate-err{color:var(--bad);font-size:12px;min-height:16px;margin:-2px 0 10px}
.gate-spin{color:var(--muted);font-size:12px;min-height:16px;margin-top:10px}

/* toast */
#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(20px);
  background:rgba(15,23,41,.95);border:1px solid var(--border);border-radius:12px;
  padding:11px 22px;font-size:14px;color:var(--text);opacity:0;pointer-events:none;
  transition:all .3s ease;z-index:9999;backdrop-filter:blur(8px);box-shadow:var(--shadow)}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#toast.err{border-color:rgba(255,82,82,.4);color:#ffb4b4}