/* ============================================================
   ruku.mengxuan.site — 扫码登记系统
   ============================================================ */
:root {
  --bg: #eef2f7;
  --card: #ffffff;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --blue: #2563eb;
  --blue-dark: #1e40af;
  --blue-soft: #eff6ff;
  --green: #16a34a;
  --green-soft: #f0fdf4;
  --orange: #d97706;
  --orange-soft: #fffbeb;
  --red: #dc2626;
  --red-soft: #fef2f2;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(1200px 400px at 70% -10%, rgba(37, 99, 235, .08), transparent 60%),
    var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---------------- 顶栏 ---------------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 28px;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(15, 23, 42, .04);
}
.topbar::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), #06b6d4);
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.logo {
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--blue), #06b6d4);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; box-shadow: 0 4px 10px rgba(37, 99, 235, .3);
}
.brand-text h1 { font-size: 18px; font-weight: 700; letter-spacing: .5px; }
.brand-text .sub { font-size: 12px; color: var(--muted); }

.stats { display: flex; gap: 10px; flex-shrink: 0; }
.chip {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 8px 16px; text-align: center; min-width: 86px;
}
.chip .num { display: block; font-size: 20px; font-weight: 800; color: var(--blue-dark); font-variant-numeric: tabular-nums; }
.chip .lab { display: block; font-size: 11px; color: var(--muted); margin-top: -2px; }

/* ---------------- 主体 ---------------- */
main {
  width: min(980px, 100% - 32px);
  margin: 24px auto 8px;
  flex: 1;
  display: flex; flex-direction: column; gap: 20px;
}

/* ---------------- 扫码卡片 ---------------- */
.scan-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 26px 18px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, .05), 0 8px 24px -12px rgba(15, 23, 42, .12);
  transition: border-color .15s;
}
.scan-card.ok   { border-color: rgba(22, 163, 74, .6);  box-shadow: 0 0 0 4px rgba(22, 163, 74, .12); }
.scan-card.warn { border-color: rgba(217, 119, 6, .6);  box-shadow: 0 0 0 4px rgba(217, 119, 6, .12); }
.scan-card.err  { border-color: rgba(220, 38, 38, .6);  box-shadow: 0 0 0 4px rgba(220, 38, 38, .12); }

.scan-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; font-size: 13px; color: var(--muted); }
.spacer { flex: 1; }
.dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 0 0 rgba(22, 163, 74, .5);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(22, 163, 74, .45); }
  70%  { box-shadow: 0 0 0 8px rgba(22, 163, 74, 0); }
  100% { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0); }
}
.ready-text { font-weight: 600; color: var(--ink); }
.server-time { font-variant-numeric: tabular-nums; }
.pending {
  background: var(--orange-soft); color: var(--orange);
  border: 1px solid rgba(217, 119, 6, .3); border-radius: 999px;
  padding: 2px 10px; font-size: 12px; font-weight: 600;
}
.pending b { font-variant-numeric: tabular-nums; }

.scan-input {
  width: 100%;
  height: 64px;
  border: 2px solid #cbd5e1; border-radius: 12px;
  padding: 0 18px;
  font-size: 24px; font-weight: 600;
  font-family: var(--mono);
  letter-spacing: .5px;
  color: var(--ink);
  background: #f8fafc;
  outline: none;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.scan-input::placeholder { font-size: 15px; font-weight: 400; font-family: system-ui, sans-serif; color: #94a3b8; letter-spacing: 0; }
.scan-input:focus { border-color: var(--blue); background: #fff; box-shadow: 0 0 0 4px rgba(37, 99, 235, .12); }

.last-result {
  margin-top: 14px;
  border-radius: 12px;
  padding: 14px 18px;
  background: var(--blue-soft);
  border: 1px solid rgba(37, 99, 235, .18);
  min-height: 64px;
}
.last-result .placeholder { color: #94a3b8; font-size: 14px; line-height: 36px; text-align: center; }
.last-result.ok   { background: var(--green-soft);  border-color: rgba(22, 163, 74, .3); }
.last-result.warn { background: var(--orange-soft); border-color: rgba(217, 119, 6, .3); }
.last-result.err  { background: var(--red-soft);    border-color: rgba(220, 38, 38, .3); }

.last-result .code {
  font-family: var(--mono); font-size: 22px; font-weight: 700;
  word-break: break-all; line-height: 1.3;
}
.last-result.ok   .code { color: var(--green); }
.last-result.warn .code { color: var(--orange); }
.last-result.err  .code { color: var(--red); }
.last-result .meta { margin-top: 6px; font-size: 12.5px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 4px 14px; }
.last-result .meta b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.last-result .badge {
  display: inline-block; font-size: 11.5px; font-weight: 700;
  border-radius: 999px; padding: 1px 10px; margin-right: 8px; vertical-align: 2px;
}
.last-result.ok   .badge { background: var(--green);  color: #fff; }
.last-result.warn .badge { background: var(--orange); color: #fff; }
.last-result.err  .badge { background: var(--red);    color: #fff; }

.hints { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 12px; color: var(--muted); }

/* ---------------- 记录面板 ---------------- */
.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, .05);
  overflow: hidden;
}
.panel-head {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 16px; border-bottom: 1px solid var(--line);
}
.tabs { display: flex; gap: 4px; }
.tab {
  border: none; background: none; cursor: pointer;
  font-size: 14.5px; font-weight: 600; color: var(--muted);
  padding: 8px 14px; border-radius: 10px;
  transition: color .15s, background .15s;
}
.tab:hover { color: var(--ink); background: #f1f5f9; }
.tab.active { color: var(--blue); background: var(--blue-soft); }

.btn {
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  font-size: 13px; font-weight: 600; cursor: pointer;
  padding: 7px 14px; border-radius: 10px;
  transition: border-color .15s, background .15s, color .15s;
  text-decoration: none; display: inline-block;
}
.btn:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.primary:hover { background: var(--blue-dark); }
.btn.ghost { background: transparent; }
.btn:active { transform: translateY(1px); }

.tab-body { padding: 8px 16px 14px; }
.table-wrap { overflow-x: auto; }
.records { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.records th {
  text-align: left; font-size: 12px; color: var(--muted); font-weight: 600;
  padding: 10px 10px 8px; border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.records td { padding: 9px 10px; border-bottom: 1px solid #f1f5f9; vertical-align: middle; }
.records tbody tr:hover { background: #f8fafc; }
.records .w-time { width: 96px; }
.records .w-src  { width: 64px; }
.records .w-ip   { width: 130px; }
.records .w-dev  { width: 110px; }
.records td.code { font-family: var(--mono); font-weight: 600; word-break: break-all; }
.records td.dim  { color: var(--muted); font-size: 12.5px; }
.records td.time { color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }

.src-badge {
  display: inline-block; font-size: 11px; font-weight: 700;
  border-radius: 999px; padding: 1px 9px;
}
.src-badge.scan  { background: var(--blue-soft); color: var(--blue); }
.src-badge.manual { background: #f1f5f9; color: var(--muted); }

.empty { padding: 34px 0; text-align: center; color: #94a3b8; font-size: 14px; }
.panel-foot {
  display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap;
  padding-top: 10px; font-size: 12.5px; color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* ---------------- 查询 ---------------- */
.lookup-bar { display: flex; gap: 10px; padding: 8px 0 14px; }
.lookup-bar input {
  flex: 1; height: 42px;
  border: 1.5px solid #cbd5e1; border-radius: 10px;
  padding: 0 14px; font-size: 15px; font-family: var(--mono);
  outline: none; background: #f8fafc;
}
.lookup-bar input:focus { border-color: var(--blue); background: #fff; box-shadow: 0 0 0 3px rgba(37, 99, 235, .12); }
.lookup-summary { font-size: 13.5px; color: var(--muted); padding-bottom: 10px; }
.lookup-summary b { color: var(--ink); font-size: 16px; }

/* ---------------- 页脚 ---------------- */
.foot {
  width: min(980px, 100% - 32px);
  margin: 10px auto 18px;
  display: flex; flex-wrap: wrap; gap: 8px 22px;
  font-size: 12px; color: var(--muted);
}
.foot code {
  font-family: var(--mono); background: #e2e8f0; color: #334155;
  border-radius: 5px; padding: 1px 6px; font-size: 11.5px;
}
.muted { color: var(--muted); }
.foot a { color: var(--blue); text-decoration: none; }
.foot a:hover { text-decoration: underline; }

/* ---------------- Toast ---------------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  max-width: min(92vw, 560px);
  background: #0f172a; color: #fff;
  border-radius: 12px; padding: 11px 18px;
  font-size: 13.5px; font-weight: 500;
  box-shadow: 0 10px 30px rgba(15, 23, 42, .35);
  z-index: 99; animation: toast-in .2s ease;
}
.toast.err { background: var(--red); }
.toast.warn { background: var(--orange); }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 8px); } to { opacity: 1; transform: translate(-50%, 0); } }

.hidden { display: none !important; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; padding: 12px 16px; }
  .stats { width: 100%; justify-content: space-between; }
  .chip { flex: 1; min-width: 0; padding: 6px 8px; }
  main { width: min(100% - 20px, 980px); margin-top: 14px; }
  .scan-card { padding: 16px 14px 14px; }
  .scan-input { font-size: 19px; height: 56px; }
  .last-result .code { font-size: 17px; }
  .panel-head { padding: 8px 10px; }
  .tab-body { padding: 6px 8px 12px; }
  .records th, .records td { padding: 8px 6px; }
}