:root {
  --bg: #0b0f1a;
  --panel: #131a2b;
  --panel-2: #1a2338;
  --border: #26304a;
  --text: #e8edf7;
  --muted: #8b98b5;
  --accent: #6d8bff;
  --accent-2: #9d7bff;
  --ok: #35d07f;
  --warn: #ffb020;
  --err: #ff5c6c;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, #1b2540 0%, var(--bg) 55%) fixed;
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 24px; }
.narrow { max-width: 420px; }

header.top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 24px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 18px; }
.logo {
  width: 38px; height: 38px; border-radius: 11px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; font-size: 20px;
  box-shadow: var(--shadow);
}
.sub { color: var(--muted); font-size: 13px; font-weight: 400; }

.card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow); margin-bottom: 20px;
}
.card h2 { margin: 0 0 4px; font-size: 16px; }
.card h2 .hint { color: var(--muted); font-size: 12px; font-weight: 400; margin-left: 8px; }

.grid { display: grid; gap: 16px; }
.grid.cols { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.stat { background: rgba(255,255,255,.03); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.stat .label { color: var(--muted); font-size: 12px; }
.stat .value { font-size: 26px; font-weight: 700; margin-top: 2px; }

label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 6px; }
input[type=text], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: 11px 13px; border-radius: 10px;
  border: 1px solid var(--border); background: #0e1424; color: var(--text);
  font-size: 14px; font-family: inherit; outline: none; transition: border-color .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }

button {
  border: 0; border-radius: 10px; padding: 11px 18px; font-size: 14px; font-weight: 600;
  cursor: pointer; background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; transition: transform .12s, opacity .15s; font-family: inherit;
}
button:hover { transform: translateY(-1px); }
button:active { transform: translateY(0); }
button.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
button.danger { background: transparent; border: 1px solid var(--err); color: var(--err); }
button.small { padding: 7px 12px; font-size: 12px; }
button:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.between { justify-content: space-between; }
.spacer { flex: 1; }

.badge { font-size: 11px; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.badge.ok { color: var(--ok); border-color: rgba(53,208,127,.4); }
.badge.err { color: var(--err); border-color: rgba(255,92,108,.4); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 12px; }
code, .mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px;
  background: #0e1424; padding: 2px 7px; border-radius: 6px; border: 1px solid var(--border);
}
pre {
  background: #0e1424; border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 16px; overflow-x: auto; font-size: 12.5px; line-height: 1.5;
}
pre code { background: none; border: 0; padding: 0; }

video { width: 100%; border-radius: 10px; border: 1px solid var(--border); background: #000; }
.preview { max-width: 220px; border-radius: 10px; border: 1px solid var(--border); }

.toast {
  position: fixed; right: 20px; bottom: 20px; z-index: 50;
  background: var(--panel-2); border: 1px solid var(--border); border-left: 4px solid var(--accent);
  padding: 12px 18px; border-radius: 10px; box-shadow: var(--shadow); font-size: 14px;
  opacity: 0; transform: translateY(10px); transition: .25s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.err { border-left-color: var(--err); }
.toast.ok { border-left-color: var(--ok); }

.muted { color: var(--muted); }
.center { text-align: center; }
.mt { margin-top: 16px; }
.tabs { display: flex; gap: 6px; margin-bottom: 18px; flex-wrap: wrap; }
.tabs button { background: transparent; border: 1px solid transparent; color: var(--muted); padding: 8px 14px; }
.tabs button.active { background: rgba(109,139,255,.12); color: var(--text); border-color: var(--border); }
.hidden { display: none !important; }

.progress { height: 8px; border-radius: 999px; background: #0e1424; border: 1px solid var(--border); overflow: hidden; }
.progress > span { display: block; height: 100%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); transition: width .4s; }

@media (max-width: 600px) { .wrap { padding: 14px; } .stat .value { font-size: 22px; } }