:root{
  --primary:#4f46e5; --primary-weak:#eef2ff; --primary-dark:#3730a3;
  --bg:#f3f4f8; --card:#ffffff; --text:#111827; --muted:#6b7280; --line:#e5e7eb;
  --green:#059669; --blue:#2563eb; --amber:#d97706; --red:#dc2626;
  --radius:16px; --shadow:0 1px 3px rgba(17,24,39,.08),0 4px 16px rgba(17,24,39,.06);
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#111827; --card:#1f2937; --text:#f3f4f6; --muted:#9ca3af; --line:#374151;
    --primary-weak:#312e81; --shadow:0 1px 3px rgba(0,0,0,.4);
  }
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg); color:var(--text); font-size:15px; line-height:1.5;
}
.app{max-width:560px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column}

/* 顶栏 */
.topbar{
  background:linear-gradient(135deg,#4f46e5,#7c3aed); color:#fff;
  padding:calc(12px + env(safe-area-inset-top)) 16px 14px;
  position:sticky;top:0;z-index:20;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:8px}
.topbar h1{margin:0;font-size:19px;font-weight:700}
.topbar .term{margin:2px 0 0;font-size:12px;opacity:.85}
.install-btn{background:rgba(255,255,255,.2);color:#fff;border:1px solid rgba(255,255,255,.45)}

/* 主体 */
main{flex:1;padding:14px 14px calc(84px + env(safe-area-inset-bottom))}
.page{display:flex;flex-direction:column;gap:14px}

/* 卡片 */
.card{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:14px;
}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:8px;flex-wrap:wrap}
.card-head h2{margin:0;font-size:15px;font-weight:700}
.muted{color:var(--muted);font-size:12px}

/* 统计卡片 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
@media (max-width:420px){.stat-grid{grid-template-columns:repeat(2,1fr)}}
.stat{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:12px 8px;text-align:center;
}
.stat .num{font-size:20px;font-weight:800;color:var(--primary)}
.stat .lbl{font-size:11px;color:var(--muted);margin-top:2px}

/* 按钮 */
.btn{
  border:1px solid var(--line);background:var(--card);color:var(--text);
  border-radius:10px;padding:8px 14px;font-size:14px;cursor:pointer;font-family:inherit;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
.btn-danger{background:var(--red);border-color:var(--red);color:#fff}
.btn-ghost{background:transparent}
.btn-block{width:100%;padding:12px;font-size:15px}
.btn-sm{padding:4px 10px;font-size:12px;border-radius:8px}
.row-gap{display:flex;gap:8px}
.btn-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* 底部导航 */
.tabbar{
  position:fixed;bottom:0;left:50%;transform:translateX(-50%);
  width:100%;max-width:560px;display:flex;
  background:var(--card);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);z-index:30;
}
.tab{
  flex:1;border:none;background:none;color:var(--muted);font-size:11px;
  padding:7px 0 6px;cursor:pointer;font-family:inherit;
  display:flex;flex-direction:column;align-items:center;gap:1px;
}
.tab .tab-ico{font-size:20px;line-height:1}
.tab.active{color:var(--primary);font-weight:700}

/* 排名列表 */
.rank-list{display:flex;flex-direction:column;gap:8px}
.rank-item{
  display:flex;align-items:center;gap:10px;padding:10px;border:1px solid var(--line);
  border-radius:12px;cursor:pointer;background:var(--card);
}
.rank-item:active{background:var(--primary-weak)}
.rank-num{
  width:30px;height:30px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;
  background:var(--primary-weak);color:var(--primary);
}
.rank-num.r1{background:#fbbf24;color:#7c2d12}
.rank-num.r2{background:#cbd5e1;color:#334155}
.rank-num.r3{background:#fdba74;color:#7c2d12}
.rank-info{flex:1;min-width:0}
.rank-name{font-weight:700;font-size:14px}
.rank-sub{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-total{text-align:right;flex:none}
.rank-total .t{font-size:17px;font-weight:800;color:var(--primary)}
.chip{display:inline-block;font-size:10px;padding:1px 7px;border-radius:999px;font-weight:700}
.chip.A{background:#d1fae5;color:#065f46}
.chip.B{background:#dbeafe;color:#1e40af}
.chip.C{background:#fef3c7;color:#92400e}
.chip.D{background:#fee2e2;color:#991b1b}

/* 前三名 */
.top-three{display:flex;gap:10px;align-items:flex-end;justify-content:center}
.podium{flex:1;text-align:center;padding:10px 4px;border-radius:12px;background:var(--primary-weak)}
.podium .medal{font-size:26px}
.podium .nm{font-weight:700;font-size:13px;margin-top:2px}
.podium .sc{color:var(--primary);font-weight:800}
.podium.p1{padding-top:16px;padding-bottom:22px;background:linear-gradient(180deg,#fef3c7,#fde68a)}
.podium.p2{background:linear-gradient(180deg,#f1f5f9,#e2e8f0)}
.podium.p3{background:linear-gradient(180deg,#ffedd5,#fed7aa)}

/* 表单 */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
.form-row.three{grid-template-columns:1fr 1fr 1fr}
label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}
input[type=text],input[type=number]{
  font-family:inherit;font-size:15px;color:var(--text);
  background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%;
}
input:focus{outline:2px solid var(--primary);outline-offset:0;border-color:transparent}
.hint{font-size:12px;color:var(--muted);margin:6px 0 10px}
.dim-row{margin-bottom:10px}
.dim-row .dim-head{display:flex;justify-content:space-between;font-size:13px;margin-bottom:4px}
.dim-row .dim-head b{color:var(--primary)}
input[type=range]{width:100%;accent-color:var(--primary)}
.dim-row input[type=number]{max-width:76px;padding:4px 8px;font-size:14px;text-align:center}

/* 录入列表 */
.entry-list{display:flex;flex-direction:column;gap:8px}
.entry-item{
  display:flex;align-items:center;gap:10px;padding:10px;border:1px solid var(--line);border-radius:12px;
}
.entry-item .info{flex:1;min-width:0}
.entry-item .nm{font-weight:700;font-size:14px}
.entry-item .sc{color:var(--primary);font-weight:800;margin-right:8px}
.empty{text-align:center;color:var(--muted);padding:18px 0;display:flex;flex-direction:column;gap:10px;align-items:center}

/* 明细弹窗 */
.modal-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:50;
  display:flex;align-items:flex-end;justify-content:center;
}
.modal{
  background:var(--card);width:100%;max-width:560px;
  border-radius:20px 20px 0 0;padding:18px 16px calc(24px + env(safe-area-inset-bottom));
  max-height:82vh;overflow-y:auto;
}
.modal h3{margin:0 0 2px;font-size:17px}
.modal .sub{color:var(--muted);font-size:12px;margin-bottom:12px}
.bar-row{margin-bottom:10px}
.bar-row .bar-head{display:flex;justify-content:space-between;font-size:12px;margin-bottom:3px}
.bar-track{height:8px;background:var(--bg);border-radius:999px;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,#4f46e5,#7c3aed);border-radius:999px}
.modal .big-total{
  display:flex;align-items:center;justify-content:space-between;
  background:var(--primary-weak);border-radius:12px;padding:12px;margin-top:6px;
}
.modal .big-total .v{font-size:24px;font-weight:800;color:var(--primary)}
.modal-actions{display:flex;gap:10px;margin-top:14px}
.modal-actions .btn{flex:1}

/* toast */
.toast{
  position:fixed;left:50%;bottom:calc(96px + env(safe-area-inset-bottom));transform:translateX(-50%);
  background:#111827;color:#fff;padding:10px 18px;border-radius:999px;font-size:13px;
  z-index:60;box-shadow:0 4px 12px rgba(0,0,0,.3);max-width:80vw;text-align:center;
}

/* 安装横幅 */
.install-banner{
  background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;border:none;
}
.howto{margin:0;padding-left:18px;font-size:13px;display:flex;flex-direction:column;gap:8px}
.howto b{color:var(--primary)}

/* 打印 */
@media print{
  .tabbar,.topbar,.install-btn,.no-print{display:none!important}
  body{background:#fff}
  main{padding:0}
  .page{display:none!important}
  #page-rank{display:flex!important}
  .card{box-shadow:none;border:1px solid #ccc}
  .rank-item{break-inside:avoid}
}