:root {
  --bg: #0c1222;
  --bg2: #121a2f;
  --panel: #162038;
  --line: rgba(148, 163, 184, 0.18);
  --text: #e8eef9;
  --muted: #94a3b8;
  --brand: #d4a017;
  --brand2: #f0c14b;
  --ok: #10b981;
  --danger: #f43f5e;
  --info: #38bdf8;
  --radius: 14px;
  --shadow: 0 12px 40px rgba(0,0,0,.35);
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(212,160,23,.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(56,189,248,.12), transparent 50%),
    linear-gradient(180deg, #0a1020, var(--bg));
}
a { color: var(--brand2); text-decoration: none; }
button, input, select, textarea { font: inherit; }
.hidden { display: none !important; }

#login-view {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
}
.login-card {
  width: min(420px, 100%);
  background: rgba(22,32,56,.92);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 28px 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.login-card h1 { margin: 0 0 6px; font-size: 1.55rem; color: var(--brand2); letter-spacing: .04em; }
.login-card p { margin: 0 0 22px; color: var(--muted); font-size: .9rem; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: .8rem; color: var(--muted); margin-bottom: 6px; }
.field input, .field select, .field textarea, .input {
  width: 100%;
  background: #0d1528;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: rgba(212,160,23,.55);
  box-shadow: 0 0 0 3px rgba(212,160,23,.15);
}
.btn {
  border: 0; border-radius: 12px; padding: 11px 16px; cursor: pointer;
  background: linear-gradient(135deg, var(--brand), #b8860b); color: #1a1200; font-weight: 700;
}
.btn:hover { filter: brightness(1.06); }
.btn.secondary { background: #24304d; color: var(--text); font-weight: 600; }
.btn.danger { background: linear-gradient(135deg, #fb7185, #e11d48); color: #fff; }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--text); font-weight: 600; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.err { color: #fda4af; font-size: .85rem; min-height: 1.2em; margin-top: 8px; }

#app-view { min-height: 100vh; display: grid; grid-template-columns: 240px 1fr; }
.sidebar {
  background: rgba(10,16,32,.92);
  border-right: 1px solid var(--line);
  padding: 18px 12px;
  position: sticky; top: 0; height: 100vh; overflow: auto;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px 18px; border-bottom: 1px solid var(--line); margin-bottom: 12px;
}
.brand-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--brand2), #8a6a0a);
  box-shadow: 0 6px 18px rgba(212,160,23,.35);
}
.brand strong { display: block; font-size: .95rem; }
.brand span { color: var(--muted); font-size: .72rem; }
.nav button {
  width: 100%; text-align: left; background: transparent; border: 0; color: var(--muted);
  padding: 11px 12px; border-radius: 10px; cursor: pointer; margin-bottom: 4px;
}
.nav button:hover, .nav button.active { background: rgba(212,160,23,.12); color: var(--text); }
.main { padding: 18px 18px 40px; min-width: 0; }
.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  margin-bottom: 16px; flex-wrap: wrap;
}
.topbar h2 { margin: 0; font-size: 1.25rem; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.chip {
  background: var(--panel); border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 12px; font-size: .8rem; color: var(--muted);
}
.chip b { color: var(--brand2); font-weight: 700; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(4, minmax(0,1fr)); }
.card {
  background: rgba(22,32,56,.88); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow);
}
.card .k { color: var(--muted); font-size: .78rem; }
.card .v { font-size: 1.55rem; font-weight: 750; margin-top: 6px; }
.panel { background: rgba(22,32,56,.88); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.panel h3 { margin: 0 0 12px; font-size: 1rem; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; align-items: end; }
.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: .86rem; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; background: rgba(0,0,0,.18); position: sticky; top: 0; }
tr:hover td { background: rgba(255,255,255,.02); }
.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: .72rem; }
.tag.ok { background: rgba(16,185,129,.15); color: #6ee7b7; }
.tag.warn { background: rgba(245,158,11,.15); color: #fcd34d; }
.tag.bad { background: rgba(244,63,94,.15); color: #fda4af; }
.tag.info { background: rgba(56,189,248,.15); color: #7dd3fc; }
.presence-dot {
  display: inline-block; width: 10px; height: 10px; border-radius: 50%;
  margin-right: 6px; vertical-align: middle;
  box-shadow: 0 0 0 2px rgba(255,255,255,.06);
}
.presence-dot.on { background: #10b981; box-shadow: 0 0 8px rgba(16,185,129,.65); }
.presence-dot.off { background: #f43f5e; box-shadow: 0 0 8px rgba(244,63,94,.45); }
.modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,.62); display: grid; place-items: center;
  padding: 16px; z-index: 50;
}
.modal {
  width: min(560px, 100%); background: var(--bg2); border: 1px solid var(--line);
  border-radius: 18px; padding: 18px; max-height: 90vh; overflow: auto;
}
.modal h3 { margin: 0 0 12px; }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.toast {
  position: fixed; right: 16px; bottom: 16px; z-index: 80;
  background: #102033; border: 1px solid var(--line); color: var(--text);
  padding: 12px 14px; border-radius: 12px; box-shadow: var(--shadow); max-width: 80vw;
}
.toast.bad {
  border-color: rgba(248,113,113,.45);
  background: #2a1218;
  color: #fecaca;
}
.menu-toggle { display: none; }
@media (max-width: 960px) {
  #app-view { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; inset: 0 auto 0 0; width: min(82vw, 280px); z-index: 40;
    transform: translateX(-105%); transition: .2s ease; height: 100vh;
  }
  .sidebar.open { transform: translateX(0); }
  .menu-toggle { display: inline-flex; }
  .grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .backdrop {
    position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 30;
  }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .main { padding: 14px 12px 36px; }
}