:root {
  --bg: #0b1020;
  --bg-2: #121a30;
  --panel: #16203a;
  --panel-2: #1c294a;
  --border: #26334f;
  --text: #e6ecf8;
  --muted: #8a99b8;
  --primary: #3b82f6;
  --primary-d: #2563eb;
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #eab308;
  --purple: #a855f7;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, #1b2a4d 0%, var(--bg) 55%);
  color: var(--text);
  font-size: 14px;
}
.hidden { display: none !important; }
button { font-family: inherit; cursor: pointer; }
input, select { font-family: inherit; }

/* ---------- 登录 ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card {
  width: 360px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 16px; padding: 32px 28px; box-shadow: var(--shadow);
}
.login-logo { display: flex; align-items: center; gap: 10px; color: var(--primary); font-weight: 700; font-size: 18px; }
.login-sub { color: var(--muted); margin: 6px 0 22px; font-size: 12px; }
.login-card label { display: block; font-size: 12px; color: var(--muted); margin: 12px 0 6px; }
.login-card input {
  width: 100%; padding: 11px 12px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-2); color: var(--text); outline: none;
}
.login-card input:focus { border-color: var(--primary); }
.btn-block { width: 100%; margin-top: 20px; }
.msg { margin-top: 14px; font-size: 13px; min-height: 18px; }
.msg.err { color: var(--red); }
.msg.ok { color: var(--green); }

/* ---------- 按钮 ---------- */
.btn {
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  padding: 9px 14px; border-radius: 9px; font-size: 13px; transition: .15s;
}
.btn:hover { border-color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-d); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 6px 10px; font-size: 12px; }
.btn-danger { color: var(--red); border-color: #5a2330; }
.btn-danger:hover { background: #3a1620; }
.btn-block { display: block; }

/* ---------- 布局 ---------- */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px; background: var(--bg-2); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 18px 14px; position: sticky; top: 0; height: 100vh;
}
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--primary); margin-bottom: 22px; padding-left: 4px; }
.nav { display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  display: flex; align-items: center; gap: 10px; text-align: left; border: none; background: transparent;
  color: var(--muted); padding: 10px 12px; border-radius: 9px; font-size: 14px;
}
.nav-item:hover { background: var(--panel); color: var(--text); }
.nav-item.active { background: var(--panel-2); color: var(--text); }
.sidebar-footer { margin-top: auto; display: flex; flex-direction: column; gap: 8px; }
.user-label { font-size: 12px; color: var(--muted); }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; border-bottom: 1px solid var(--border); background: rgba(18,26,48,.6);
  position: sticky; top: 0; z-index: 5;
}
.topbar h1 { font-size: 18px; margin: 0; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.content { padding: 24px; overflow: auto; }

/* ---------- 引擎状态 ---------- */
.engine-status { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.dot.on { background: var(--green); box-shadow: 0 0 8px var(--green); }
.dot.off { background: var(--red); }

/* ---------- 卡片/表单 ---------- */
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.panel + .panel { margin-top: 18px; }
.panel h2 { font-size: 15px; margin: 0 0 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
.field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.field input[type=text], .field input[type=password], .field input[type=number], .field select {
  width: 100%; padding: 10px 12px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--bg-2); color: var(--text); outline: none;
}
.field input:focus, .field select:focus { border-color: var(--primary); }
.row { display: flex; align-items: center; gap: 10px; }
.check { display: flex; align-items: center; gap: 8px; }
.check input { width: 16px; height: 16px; }
.actions-bar { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.pager { display: flex; gap: 12px; align-items: center; justify-content: flex-end; margin-top: 14px; font-size: 13px; color: var(--muted); }
.pager .btn:disabled { opacity: .4; cursor: not-allowed; }
.banner { padding: 10px 14px; border-radius: 9px; font-size: 12px; margin-bottom: 16px; }
.banner.warn { background: #3a2f12; border: 1px solid #5a4a1a; color: #f5d77a; }
.banner.info { background: #11243f; border: 1px solid #1d3a5f; color: #9ec5ff; }

/* ---------- 表格 ---------- */
.table-wrap { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; background: var(--bg-2); position: sticky; top: 0; }
tbody tr:hover { background: rgba(255,255,255,.02); }
.cell-input {
  width: 90px; padding: 6px 8px; border-radius: 7px; border: 1px solid var(--border);
  background: var(--bg-2); color: var(--text); text-align: right;
}
.cell-input:focus { border-color: var(--primary); }
.tnum { font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }

/* ---------- 徽章 ---------- */
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11px; border: 1px solid var(--border); }
.badge.monitoring { color: #9ec5ff; border-color: #1d3a5f; background: #11243f; }
.badge.complete { color: #86efac; border-color: #1d5f3a; background: #11301f; }
.badge.paused { color: var(--muted); }
.badge.test { color: #f5d77a; border-color: #5a4a1a; background: #3a2f12; }
.lv-info { color: var(--muted); }
.lv-warn { color: var(--yellow); }
.lv-error { color: var(--red); }
.lv-trigger { color: var(--purple); }
.lv-order { color: var(--green); }

/* ---------- 弹窗 ---------- */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; z-index: 20; padding: 20px; }
.modal-card { width: 420px; max-width: 100%; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--border); }
.modal-head h3 { margin: 0; font-size: 15px; }
#modal-body { padding: 18px; }

.toolbtn { padding: 6px 9px; font-size: 12px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.progress { height: 6px; background: var(--bg-2); border-radius: 999px; overflow: hidden; min-width: 120px; }
.progress > i { display: block; height: 100%; background: var(--primary); }