:root {
  --bg: #070a13;
  --card: #11182a;
  --muted: #8f9bb3;
  --cyan: #35e7ff;
  --violet: #8b5cff;
  --green: #49f2a2;
  --orange: #ffb45c;
  --red: #ff6b7a;
  --text: #f7fbff;
  --line: rgba(255, 255, 255, 0.09);
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
  --radius: 22px;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  color: var(--text);
  background:
    radial-gradient(circle at 14% 6%, rgba(53, 231, 255, 0.18), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(139, 92, 255, 0.2), transparent 30%),
    linear-gradient(135deg, #070a13, #101327 52%, #070a13);
  padding: 0 16px 40px;
  line-height: 1.5;
}
a { color: var(--cyan); text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }

.shell { max-width: 960px; margin: 0 auto; }

.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 0 12px;
  background: linear-gradient(to bottom, rgba(7,10,19,.95), rgba(7,10,19,.55), transparent);
  backdrop-filter: blur(10px);
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo {
  width: 38px; height: 38px; border-radius: 14px; display: grid; place-items: center;
  font-weight: 900; font-size: 12px; color: #02040a;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  box-shadow: 0 8px 22px rgba(53, 231, 255, 0.22);
}
.brand strong { display: block; font-size: 15px; font-weight: 800; }
.brand span { display: block; color: var(--muted); font-size: 11px; }
.nav { display: flex; gap: 8px; flex-wrap: wrap; }
.nav a {
  height: 34px; padding: 0 12px; border-radius: 999px; display: inline-flex; align-items: center;
  font-size: 12px; font-weight: 700; color: var(--muted);
  background: rgba(255,255,255,.05); border: 1px solid var(--line);
}
.nav a.on, .nav a:hover { color: #02040a; background: var(--cyan); border-color: transparent; }

.hero {
  margin: 8px 0 18px; padding: 18px;
  background: rgba(17, 24, 42, 0.78); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.hero h1 { margin: 0 0 8px; font-size: 22px; font-weight: 900; letter-spacing: -.4px; }
.hero p { margin: 0; color: var(--muted); font-size: 13px; }

.card {
  background: rgba(17, 24, 42, 0.78); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-bottom: 14px;
}
.card h2 { margin: 0 0 12px; font-size: 16px; font-weight: 800; }

.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }
.field { flex: 1 1 160px; display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 12px; color: var(--muted); font-weight: 600; }
.field input, .field select, .field textarea {
  height: 46px; padding: 0 14px; border-radius: 14px;
  border: 1px solid rgba(255,255,255,.1); background: #0d1424; outline: none;
}
.field textarea { height: auto; min-height: 80px; padding: 12px 14px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: rgba(53,231,255,.45); }

.btn {
  height: 46px; padding: 0 16px; border-radius: 14px; border: 0; cursor: pointer;
  font-weight: 800; font-size: 14px; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.btn.primary { background: var(--cyan); color: #02040a; }
.btn.ghost { background: rgba(255,255,255,.06); border: 1px solid var(--line); color: var(--text); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 640px; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid rgba(255,255,255,.06); vertical-align: top; }
th { color: var(--muted); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
td.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; word-break: break-all; }
.empty { color: var(--muted); text-align: center; padding: 28px 12px; font-size: 13px; }

.stat {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 14px;
}
@media (min-width: 640px) { .stat { grid-template-columns: repeat(4, 1fr); } }
.stat .item {
  padding: 14px; border-radius: 16px; background: rgba(255,255,255,.04); border: 1px solid var(--line);
}
.stat .item b { display: block; font-size: 18px; font-weight: 900; margin-top: 4px; }
.stat .item span { color: var(--muted); font-size: 11px; }

.badge {
  display: inline-flex; align-items: center; height: 24px; padding: 0 8px; border-radius: 999px;
  font-size: 11px; font-weight: 700;
}
.badge.ok { background: rgba(73,242,162,.14); color: var(--green); }
.badge.warn { background: rgba(255,180,92,.14); color: var(--orange); }
.badge.off { background: rgba(255,255,255,.06); color: var(--muted); }

.msg {
  margin-top: 10px; padding: 10px 12px; border-radius: 12px; font-size: 13px; display: none;
}
.msg.show { display: block; }
.msg.ok { background: rgba(73,242,162,.12); color: var(--green); }
.msg.err { background: rgba(255,107,122,.12); color: var(--red); }
.msg.info { background: rgba(53,231,255,.1); color: var(--cyan); }

.drop {
  border: 1.5px dashed rgba(255,255,255,.16); border-radius: 18px; padding: 28px 16px;
  text-align: center; color: var(--muted); background: rgba(255,255,255,.03); cursor: pointer;
  transition: border-color .15s, background .15s;
}
.drop.drag { border-color: var(--cyan); background: rgba(53,231,255,.06); color: var(--text); }
.drop strong { display: block; color: var(--text); margin-bottom: 6px; font-size: 14px; }
.progress {
  height: 8px; border-radius: 99px; background: rgba(255,255,255,.08); overflow: hidden; margin-top: 12px; display: none;
}
.progress.show { display: block; }
.progress > i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--cyan), var(--violet)); }

.foot { margin-top: 24px; text-align: center; color: var(--muted); font-size: 12px; }