:root {
  --bg: #0b1220;
  --card: #121b2e;
  --text: #e7ecf5;
  --muted: #a7b1c7;
  --border: #26324d;
  --primary: #4f8cff;
  --danger: #ff6b6b;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Microsoft YaHei", Arial;
  background: linear-gradient(180deg, var(--bg), #050914);
  color: var(--text);
}

.container {
  max-width: 960px;
  margin: 24px auto;
  padding: 0 16px 40px;
}

.header h1 {
  margin: 0 0 6px;
  font-size: 22px;
}
.sub {
  color: var(--muted);
  font-size: 13px;
}
.sub a { color: var(--muted); text-decoration: none; }
.sub a:hover { color: var(--text); }
.sep { margin: 0 8px; }

.card {
  margin-top: 16px;
  background: rgba(18, 27, 46, 0.92);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.card-title {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 12px;
}

.kv {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 8px 12px;
  font-size: 14px;
  margin-bottom: 12px;
}
.kv .k { color: var(--muted); }
.kv .v { color: var(--text); word-break: break-all; }

.form label { display: block; margin-bottom: 12px; }
.label { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
input[type="text"], input[type="password"], textarea, input[type="file"] {
  width: 100%;
  padding: 10px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0d162a;
  color: var(--text);
  outline: none;
}
textarea { min-height: 84px; resize: vertical; }

.grid {
  display: grid;
  grid-template-columns: 1fr 160px;
  gap: 12px;
  align-items: end;
}
.checkbox {
  display: flex;
  gap: 10px;
  align-items: center;
  padding-top: 22px;
}
.checkbox input { transform: scale(1.1); }

.row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.hint {
  font-size: 13px;
  color: var(--muted);
}

.btn {
  border: 1px solid var(--border);
  background: #0d162a;
  color: var(--text);
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
}
.btn:hover { border-color: #3a4a73; }
.btn.primary {
  background: linear-gradient(180deg, #5a95ff, #3d75ff);
  border-color: rgba(79, 140, 255, 0.35);
}

.result {
  margin: 0;
  padding: 12px;
  border-radius: 10px;
  background: #0d162a;
  border: 1px solid var(--border);
  min-height: 80px;
  overflow: auto;
  font-size: 12px;
  color: #cfe0ff;
}