:root{
  --bg:#0f172a; --panel:#1e293b; --panel2:#293548; --text:#e2e8f0;
  --muted:#94a3b8; --primary:#3b82f6; --success:#10b981; --danger:#ef4444;
  --warn:#f59e0b; --border:#334155;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",
  "PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);
  -webkit-text-size-adjust:100%;-webkit-tap-highlight-color:rgba(59,130,246,.2)}
a{color:var(--primary);text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:20px}
header{background:var(--panel);padding:14px 20px;display:flex;
  justify-content:space-between;align-items:center;border-bottom:1px solid var(--border)}
header h1{margin:0;font-size:18px}
header .right{font-size:14px;color:var(--muted)}
.card{background:var(--panel);border:1px solid var(--border);border-radius:8px;
  padding:18px;margin-bottom:18px}
.card h2{margin-top:0;font-size:16px;border-bottom:1px solid var(--border);
  padding-bottom:10px}
.row{display:flex;gap:10px;flex-wrap:wrap}
input,select,button,textarea{font:inherit;padding:8px 10px;border-radius:6px;
  border:1px solid var(--border);background:var(--panel2);color:var(--text)}
input:focus,select:focus,textarea:focus{outline:1px solid var(--primary)}
button{cursor:pointer;background:var(--primary);border-color:var(--primary);color:#fff}
button.secondary{background:var(--panel2);border-color:var(--border)}
button.danger{background:var(--danger);border-color:var(--danger)}
button.success{background:var(--success);border-color:var(--success)}
button.warn{background:var(--warn);border-color:var(--warn);color:#000}
button:disabled{opacity:.5;cursor:not-allowed}
table{width:100%;border-collapse:collapse;margin-top:10px}
th,td{padding:8px 10px;border-bottom:1px solid var(--border);text-align:left;
  font-size:14px}
th{color:var(--muted);font-weight:600;background:var(--panel2)}
tr.active{background:rgba(59,130,246,.15)}
.tag{display:inline-block;padding:2px 8px;border-radius:10px;font-size:12px;
  background:var(--panel2);color:var(--muted)}
.tag.open{background:rgba(16,185,129,.2);color:var(--success)}
.tag.closed{background:rgba(239,68,68,.2);color:var(--danger)}
.score-grid{display:grid;grid-template-columns:1fr 90px 80px;gap:8px;
  align-items:center}
.score-grid label{font-size:14px}
.score-grid .max{color:var(--muted);font-size:12px}
.big{font-size:48px;font-weight:700;color:#fff;text-align:center;padding:30px 0}
.rank-1{color:gold}.rank-2{color:silver}.rank-3{color:#cd7f32}
.login-box{max-width:380px;margin:80px auto;background:var(--panel);
  padding:28px;border-radius:10px;border:1px solid var(--border)}
.login-box h2{margin-top:0;text-align:center}
.login-box form{display:flex;flex-direction:column;gap:12px}
.error{color:var(--danger);font-size:14px;text-align:center}
.muted{color:var(--muted);font-size:12px}
.flex-between{display:flex;justify-content:space-between;align-items:center}
.judge-name-cell{display:inline-flex;align-items:center;gap:8px}
.judge-login-dot{width:8px;height:8px;border-radius:50%}
.judge-login-dot-online{background:var(--success);box-shadow:0 0 0 2px rgba(16,185,129,.2)}
.judge-login-dot-offline{background:#94a3b8;box-shadow:0 0 0 2px rgba(148,163,184,.2)}

/* 表格横向滚动容器：宽表在手机上可滑动查看，避免溢出撑破布局 */
.table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}

/* 宽表自适应：手机上表格变为可横向滚动的块，避免撑破页面布局 */
@media (max-width: 768px){
  .container table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;
    white-space:nowrap}
}

/* ===== 平板与手机通用 (<=1024px) ===== */
@media (max-width: 1024px){
  .container{max-width:100%}
}

/* ===== 手机横屏 / 小平板 (481-768px) ===== */
@media (min-width: 481px) and (max-width: 768px){
  .container{padding:14px}
  header{padding:12px 14px}
  header h1{font-size:18px}
  .card{padding:16px;margin-bottom:14px}
  th,td{padding:8px 6px;font-size:13px}
  /* iOS 输入框聚焦放大防护：字号需 >=16px */
  input,select,button,textarea{min-height:46px;font-size:16px}
  .login-box{max-width:none;margin:20px 12px;padding:20px}
}

/* ===== 手机竖屏 (<=480px) ===== */
@media (max-width: 480px){
  /* 顶部安全区适配（iPhone 刘海/灵动岛） */
  body{padding-top:env(safe-area-inset-top);
       padding-bottom:env(safe-area-inset-bottom)}
  .container{padding:10px;
    padding-left:max(10px,env(safe-area-inset-left));
    padding-right:max(10px,env(safe-area-inset-right))}
  header{padding:10px 12px;align-items:flex-start;flex-direction:column;gap:6px}
  header h1{font-size:17px}
  header .right{font-size:12px;width:100%;display:flex;flex-wrap:wrap;gap:6px;
    align-items:center}
  .card{padding:12px;margin-bottom:10px;border-radius:6px}
  .card h2{font-size:15px;padding-bottom:8px}
  .row{gap:8px}
  /* iOS 输入框聚焦放大防护：字号需 >=16px */
  input,select,button,textarea{min-height:44px;font-size:16px;width:100%}
  /* 行内成对/同组控件保持自然宽度，避免被强制撑满 */
  .row > button,.row > .tag{width:auto}
  table{font-size:12px}
  th,td{padding:7px 5px;white-space:nowrap}
  .login-box{max-width:none;margin:14px 8px;padding:16px;border-radius:8px}
  .login-box h2{font-size:22px}
  .big{font-size:36px;padding:18px 0}
  .score-grid{grid-template-columns:1fr auto;gap:6px}
}