:root {
  --bg: #0d1220; --bg2: #131a2b; --card: #182033; --card2: #1e2840;
  --border: #2a3550; --text: #dbe4f5; --muted: #8b99b8;
  --accent: #4f8cff; --ok: #34d399; --warn: #fbbf24; --err: #f87171;
  --purple: #a78bfa; --cyan: #22d3ee;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font: 14px/1.6 "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif; min-height: 100vh; }
.hidden { display: none !important; }
h1 { font-size: 22px; } h2 { font-size: 16px; margin-bottom: 10px; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; background: var(--bg2); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; outline: none; }
input:focus, select:focus { border-color: var(--accent); }
a { color: var(--accent); text-decoration: none; }

.btn { background: var(--card2); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 7px 14px; transition: .15s; }
.btn:hover { border-color: var(--accent); color: #fff; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #3d7af0; }
.btn.danger { background: transparent; border-color: var(--err); color: var(--err); }
.btn.danger:hover { background: var(--err); color: #fff; }
.btn.ghost { background: transparent; }
.btn.block { width: 100%; }
.btn.sm { padding: 3px 9px; font-size: 12px; border-radius: 6px; }

/* 登录 */
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { background: var(--card); border: 1px solid var(--border); padding: 40px 44px; border-radius: 16px; width: 360px; text-align: center; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.login-logo { font-size: 44px; color: var(--accent); }
.login-card h1 { margin: 8px 0 2px; letter-spacing: 2px; }
.login-card .sub { color: var(--muted); margin-bottom: 22px; }
.login-card input { width: 100%; margin-bottom: 14px; text-align: center; }
.error-text { color: var(--err); font-size: 13px; min-height: 20px; margin-top: 8px; }

/* 顶栏 */
.topbar { display: flex; align-items: center; gap: 22px; padding: 10px 22px; background: var(--bg2); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.brand { font-weight: 700; font-size: 16px; color: #fff; white-space: nowrap; }
.brand-sub { color: var(--muted); font-size: 12px; font-weight: 400; margin-left: 6px; }
.tabs { display: flex; gap: 4px; flex: 1; }
.tabs button { background: transparent; border: none; color: var(--muted); padding: 8px 16px; border-radius: 8px; }
.tabs button:hover { color: var(--text); }
.tabs button.active { background: var(--card2); color: #fff; }
.topbar-right { display: flex; gap: 8px; align-items: center; }
.sync-badge { color: var(--muted); font-size: 12px; }

/* 页面 */
.tab-page { padding: 20px 22px 60px; max-width: 1500px; margin: 0 auto; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 18px; margin-bottom: 16px; }
.toolbar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }

table { width: 100%; border-collapse: collapse; }
th { text-align: left; color: var(--muted); font-weight: 500; font-size: 12px; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 9px 10px; border-bottom: 1px solid rgba(42,53,80,.5); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(79,140,255,.04); }

.badge { display: inline-flex; align-items: center; gap: 4px; font-size: 11.5px; padding: 2px 9px; border-radius: 20px; border: 1px solid var(--border); color: var(--muted); white-space: nowrap; }
.badge.ok { color: var(--ok); border-color: rgba(52,211,153,.4); background: rgba(52,211,153,.08); }
.badge.err { color: var(--err); border-color: rgba(248,113,113,.4); background: rgba(248,113,113,.08); }
.badge.warn { color: var(--warn); border-color: rgba(251,191,36,.4); background: rgba(251,191,36,.08); }
.badge.acc { color: var(--accent); border-color: rgba(79,140,255,.4); }
.badge.purp { color: var(--purple); border-color: rgba(167,139,250,.4); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 4px; }
.dot.ok { background: var(--ok); } .dot.err { background: var(--err); } .dot.warn { background: var(--warn); } .dot.muted { background: var(--muted); }

/* 拓扑 */
.legend { display: flex; gap: 18px; color: var(--muted); font-size: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.legend .lg-text { margin-left: auto; }
.topo-scroll { overflow: auto; border: 1px solid var(--border); border-radius: 12px; background: radial-gradient(1200px 600px at 30% 20%, #131c33 0%, var(--bg) 70%); }
#topoSvg { display: block; min-width: 100%; }
.topo-node { cursor: pointer; }
.topo-node rect, .topo-node ellipse { fill: var(--card); stroke: var(--border); stroke-width: 1.5; rx: 12; transition: .15s; }
.topo-node:hover rect, .topo-node:hover ellipse { stroke: var(--accent); }
.topo-node text { fill: var(--text); }
.topo-node .muted { fill: var(--muted); font-size: 11px; }
.edge { stroke: var(--border); stroke-width: 2; fill: none; opacity: .9; }
.edge.ok { stroke: #2f6f5c; } .edge.err { stroke: #7a3b3b; stroke-dasharray: 6 4; }
.edge-label { fill: var(--muted); font-size: 10.5px; }
.edge-label.err { fill: var(--err); }
.svc-chip { cursor: pointer; }
.svc-chip rect { rx: 7; }
.svc-chip .chip-text { fill: var(--text); font-size: 11.5px; }
.svc-chip.proxied rect { fill: #1c2a47; stroke: var(--accent); }
.svc-chip:hover rect { stroke: #fff; }

/* 详情卡 */
.detail-card { margin-top: 14px; }
.kv { display: grid; grid-template-columns: 130px 1fr; gap: 6px 14px; font-size: 13.5px; }
.kv b { color: var(--muted); font-weight: 500; }
.steps { margin: 10px 0; padding: 10px 14px; background: var(--bg2); border-radius: 8px; font-size: 13px; color: var(--muted); line-height: 1.9; }

/* 机器卡片：全宽堆叠，服务表格区可滚动 */
.machine-grid { display: flex; flex-direction: column; gap: 16px; }
.machine-card { overflow: hidden; }
.machine-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.machine-head .name { font-weight: 700; font-size: 15px; }
.machine-head .addr { color: var(--muted); font-size: 12.5px; }
.machine-head .spacer { flex: 1; }
.svc-table-wrap { max-height: 430px; overflow: auto; border: 1px solid var(--border); border-radius: 8px; }
.svc-table { margin: 0; }
.svc-table thead th { position: sticky; top: 0; background: var(--card); z-index: 1; }
.svc-table td { padding: 6px 10px; font-size: 13px; }
.nowrap { white-space: nowrap; }
.ellip { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 表单 */
.form-card h3 { margin-bottom: 14px; font-size: 15px; }
.form-row { display: flex; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; align-items: center; }
.form-row label { color: var(--muted); font-size: 13px; min-width: 90px; }
.form-row .hint { color: var(--muted); font-size: 12px; }
.inline-form { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.inline-form input { width: 130px; }

/* toast / ticker */
.toast { position: fixed; right: 24px; bottom: 56px; background: var(--card2); border: 1px solid var(--accent); border-radius: 10px; padding: 12px 18px; max-width: 460px; z-index: 99; box-shadow: 0 10px 30px rgba(0,0,0,.5); font-size: 13.5px; white-space: pre-wrap; }
.toast.err { border-color: var(--err); }
.statusbar { position: fixed; bottom: 0; left: 0; right: 0; background: var(--bg2); border-top: 1px solid var(--border); padding: 5px 22px; font-size: 12px; color: var(--muted); z-index: 10; }
.ticker { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.warn-box { background: rgba(251,191,36,.07); border: 1px solid rgba(251,191,36,.35); border-radius: 10px; padding: 14px 18px; margin-bottom: 16px; font-size: 13.5px; }
.warn-box code { background: var(--bg); padding: 1px 7px; border-radius: 5px; color: var(--cyan); }
.mono { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: 12.5px; }
.muted { color: var(--muted); }
.clickable { cursor: pointer; color: var(--accent); }
.actions-cell { display: flex; gap: 6px; }