:root {
  --bg: #0b1220;
  --card: #131c2e;
  --card2: #182338;
  --line: #243450;
  --txt: #dbe7ff;
  --dim: #7f92b3;
  --acc: #38bdf8;
  --ok: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: radial-gradient(1200px 500px at 80% -10%, #12305a55, transparent), var(--bg);
  color: var(--txt);
  font: 15px/1.6 -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
#app { max-width: 880px; margin: 0 auto; padding: 16px 14px 90px; }
h1 { font-size: 19px; margin: 6px 0 2px; }
h2 { font-size: 16px; margin: 18px 0 10px; color: var(--acc); }
.sub { color: var(--dim); font-size: 13px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; margin: 10px 0; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.mono { font-family: ui-monospace, "SF Mono", Consolas, monospace; font-size: 12px; }
.hidden { display: none !important; }

/* 顶栏 */
.top { display: flex; justify-content: space-between; align-items: center; padding: 6px 0 12px; }
.brand { font-weight: 700; font-size: 17px; letter-spacing: .5px; }
.brand em { color: var(--acc); font-style: normal; }
.topbar-user { font-size: 13px; color: var(--dim); display: flex; gap: 10px; align-items: center; }

/* Tab */
.tabs { display: flex; gap: 6px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 4px; position: sticky; top: 8px; z-index: 10; }
.tabs button { flex: 1; border: 0; background: transparent; color: var(--dim); padding: 8px 0; border-radius: 9px; font-size: 14px; cursor: pointer; }
.tabs button.on { background: #1d3a5f; color: #fff; font-weight: 600; }

/* 表单 */
input, select {
  background: var(--card2); border: 1px solid var(--line); color: var(--txt);
  border-radius: 10px; padding: 10px 12px; font-size: 15px; outline: none; min-width: 0;
}
input:focus { border-color: var(--acc); }
button {
  background: #1d3a5f; color: #fff;
  border: 1px solid #2c5a8f;
  border-radius: 10px; padding: 9px 16px; font-size: 14px; cursor: pointer;
}
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: linear-gradient(135deg, #0ea5e9, #2563eb); border: 0; }
button.ghost { background: transparent; border: 1px solid var(--line); color: var(--dim); }
button.danger { background: transparent; border: 1px solid #7f1d1d; color: var(--bad); }
button.small { padding: 5px 10px; font-size: 12.5px; border-radius: 8px; }
label.fld { display: block; font-size: 13px; color: var(--dim); margin: 10px 0 4px; }

/* 徽章 */
.badge { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--dim); }
.badge.ok { color: var(--ok); border-color: #14532d; background: #052e16aa; }
.badge.warn { color: var(--warn); border-color: #713f12; background: #422006aa; }
.badge.bad { color: var(--bad); border-color: #7f1d1d; background: #450a0aaa; }
.badge.acc { color: var(--acc); border-color: #0c4a6e; background: #082f49aa; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 6px; }
.dot.ok { background: var(--ok); box-shadow: 0 0 6px var(--ok); }
.dot.bad { background: var(--bad); }
.dot.off { background: var(--dim); }

/* 账号卡片 */
.acct { margin: 12px 0; }
.acct .phone { font-size: 17px; font-weight: 700; }
.acct .meta { color: var(--dim); font-size: 12.5px; margin-top: 2px; }
.acct .ops { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.kv { font-size: 12.5px; color: var(--dim); }
.kv b { color: var(--txt); font-weight: 600; }

/* 统计格 */
.grid2 { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.stat .n { font-size: 22px; font-weight: 800; }
.stat .t { color: var(--dim); font-size: 12px; }

/* 倒计时 */
.cd { font-size: 34px; font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: 1px; color: var(--acc); }

/* 表格 */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; color: var(--dim); font-weight: 500; padding: 6px 8px; border-bottom: 1px solid var(--line); }
td { padding: 7px 8px; border-bottom: 1px solid #1a2740; vertical-align: top; }

/* 弹窗 */
.modal { position: fixed; inset: 0; background: #000a; display: flex; align-items: center; justify-content: center; z-index: 100; padding: 16px; }
.modal-card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; width: 100%; max-width: 560px; max-height: 84vh; display: flex; flex-direction: column; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--line); font-weight: 700; }
.modal-x { background: transparent; border: 0; color: var(--dim); font-size: 16px; cursor: pointer; }
.modal-body { padding: 12px 16px 18px; overflow-y: auto; }

/* 奖品选择 */
.prize { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border: 1px solid var(--line); border-radius: 10px; margin: 6px 0; cursor: pointer; }
.prize.on { border-color: var(--acc); background: #082f4966; }
.prize .ord { min-width: 22px; height: 22px; border-radius: 50%; background: var(--acc); color: #002; font-size: 12px; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.prize .nm { flex: 1; }
.prize .rm { font-size: 12px; color: var(--dim); }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: #1d3a5f; border: 1px solid #2c5a8f; color: #fff; padding: 10px 18px; border-radius: 10px; font-size: 14px; z-index: 200; opacity: .96; max-width: 90vw; }
.toast.err { background: #450a0a; border-color: #7f1d1d; }
code { background: #0e1830; border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; font-size: 12.5px; color: #93c5fd; word-break: break-all; }
pre { background: #0e1830; border: 1px solid var(--line); padding: 10px; border-radius: 10px; overflow-x: auto; font-size: 12px; }
.help p { margin: 8px 0; }
.help li { margin: 4px 0 4px 18px; }