:root {
  --bg: #0f1420;
  --bg-2: #151c2c;
  --card: #1a2336;
  --line: #26304a;
  --text: #e8edf7;
  --muted: #8b97b3;
  --accent: #3b82f6;
  --accent-2: #60a5fa;
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #eab308;
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

body {
  font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, #1b2742 0%, var(--bg) 55%);
  color: var(--text);
  font-size: 14px;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 24px 0;
}

/* 顶栏 */
.topbar { display: flex; align-items: center; justify-content: space-between; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; }
.logo { font-size: 34px; line-height: 1; }
.brand h1 { font-size: 19px; font-weight: 700; letter-spacing: .3px; }
.brand p { color: var(--muted); font-size: 12px; margin-top: 2px; }
.top-actions { display: flex; align-items: center; gap: 10px; }

.badge { padding: 5px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.on { background: rgba(34,197,94,.14); color: var(--green); }
.badge.off { background: rgba(139,151,179,.14); color: var(--muted); }

.btn {
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 13px;
  cursor: pointer;
  transition: all .15s ease;
}
.btn:hover { border-color: var(--accent-2); background: #1d2942; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #2f74e8; }
.btn.danger { background: transparent; border-color: rgba(239,68,68,.5); color: #f87171; }
.btn.danger:hover { background: rgba(239,68,68,.12); }
.btn.small { padding: 4px 12px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* 统计条 */
.stats { display: flex; gap: 12px; padding: 14px 0 0; flex-wrap: wrap; }
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 16px;
  min-width: 118px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat .n { font-size: 20px; font-weight: 700; }
.stat .n.green { color: var(--green); }
.stat .n.red { color: #f87171; }
.stat .n.yellow { color: var(--yellow); }
.stat .l { color: var(--muted); font-size: 11px; }

/* 标签页 */
.tabs { display: flex; gap: 4px; padding: 14px 0 0; }
.tab {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 9px 18px;
  font-size: 14px;
  cursor: pointer;
  border-radius: 8px 8px 0 0;
  border-bottom: 2px solid transparent;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent-2); border-bottom-color: var(--accent-2); background: rgba(59,130,246,.06); }

/* 主内容 */
main { flex: 1; overflow-y: auto; margin-top: 14px; padding-bottom: 16px; }
.panel { display: none; }
.panel.active { display: block; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 16px; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 14px; }
.card-head h2 { font-size: 15px; font-weight: 600; }
.hint { color: var(--muted); font-size: 12px; }
.hint a { color: var(--accent-2); }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); }
.table th { color: var(--muted); font-weight: 500; font-size: 12px; }
.table td { font-size: 13px; }
.table .empty { text-align: center; color: var(--muted); padding: 20px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { color: var(--muted); font-size: 12px; }
.field input, .field select {
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  outline: none;
}
.field input:focus, .field select:focus { border-color: var(--accent); }
.field input:disabled { opacity: .55; }
.span-2 { grid-column: span 2; }
.inline { display: flex; align-items: center; gap: 8px; }
.inline input { flex: 1; }
.sep { color: var(--muted); }

.check { display: flex; align-items: center; gap: 8px; color: var(--text); font-size: 13px; }
.check input { accent-color: var(--accent); width: 15px; height: 15px; }

.msg { color: var(--yellow); font-size: 12px; margin-left: 10px; }
.msg.ok { color: var(--green); }
.msg.err { color: #f87171; }

/* 日志 */
.logs-card { display: flex; flex-direction: column; height: calc(100vh - 300px); }
#logBox {
  flex: 1;
  overflow-y: auto;
  background: #0b101b;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  font-family: Consolas, "Courier New", monospace;
  font-size: 12px;
  line-height: 1.7;
  color: #b9c4dd;
  white-space: pre-wrap;
  word-break: break-all;
}

/* 状态栏 */
.statusbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}
.spacer { flex: 1; }

/* 登录页 */
.login-wrap { height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card {
  width: 360px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.login-card .logo { text-align: center; font-size: 40px; }
.login-card h1 { text-align: center; font-size: 18px; }
.login-card .sub { text-align: center; color: var(--muted); font-size: 12px; margin-top: -8px; }
.login-card input {
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
}
.login-card input:focus { border-color: var(--accent); }
.login-card .btn { padding: 10px; font-size: 14px; }
.login-card .msg { text-align: center; min-height: 18px; }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: #2a3550; border-radius: 8px; }
::-webkit-scrollbar-track { background: transparent; }