:root {
  --bg: #070a08;
  --panel: #101612;
  --panel-2: #0c100e;
  --line: #1d2a22;
  --text: #e8f2ea;
  --muted: #7f9587;
  --green: #39ff88;
  --green-dim: #1a8f4d;
  --amber: #f0b429;
  --red: #ff5c5c;
  --cyan: #4fd1c5;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "Cascadia Mono", "Consolas", monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background:
  radial-gradient(1200px 600px at 10% -10%, rgba(57,255,136,.08), transparent 60%),
  radial-gradient(900px 500px at 90% 0%, rgba(79,209,197,.06), transparent 55%),
  var(--bg);
  color: var(--text); font-family: var(--font); }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }

.eyebrow {
  margin: 0 0 6px;
  font: 11px/1 var(--mono);
  letter-spacing: .18em;
  color: var(--green-dim);
  text-transform: uppercase;
}
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: .02em; }
.sub, .muted { color: var(--muted); }
.error { color: var(--red); margin: 10px 0 0; }
.result {
  margin: 14px 0 0;
  padding: 12px 14px;
  border: 1px solid var(--green-dim);
  background: rgba(57,255,136,.06);
  color: var(--green);
  font-family: var(--mono);
  word-break: break-all;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card, .panel, .dialog-card {
  background: linear-gradient(180deg, rgba(16,22,18,.96), rgba(12,16,14,.98));
  border: 1px solid var(--line);
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
}
.login-card {
  width: min(420px, 100%);
  padding: 28px;
  display: grid;
  gap: 14px;
}
.login-card h1 { font-size: 28px; color: var(--green); }

label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}
input, select {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0a0e0b;
}
input:focus, select:focus {
  outline: 2px solid rgba(57,255,136,.35);
  border-color: var(--green-dim);
}

.primary, .ghost, .danger {
  height: 40px;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0 14px;
}
.primary {
  background: var(--green);
  color: #04140a;
  font-weight: 700;
}
.primary:hover { filter: brightness(1.05); }
.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}
.danger {
  background: transparent;
  border-color: rgba(255,92,92,.4);
  color: var(--red);
}

.app-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 20px 64px;
  display: grid;
  gap: 18px;
}
.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  flex-wrap: wrap;
}
.topbar h1 { font-size: 30px; color: var(--green); }
.top-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}
.stat {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-2);
}
.stat b {
  display: block;
  margin-top: 8px;
  font: 700 24px/1.1 var(--mono);
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.stat span { color: var(--muted); font-size: 12px; }

.panel {
  border-radius: 14px;
  padding: 18px;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: end;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.search {
  width: min(360px, 100%);
}

.create-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.span-2 { grid-column: span 2; }

.table-wrap { overflow: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th, td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}
th { color: var(--muted); font-weight: 600; font-size: 12px; }
td .code {
  font-family: var(--mono);
  color: var(--cyan);
  letter-spacing: .04em;
}
td .ops {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.badge {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 11px;
}
.badge.on { color: var(--green); border-color: rgba(57,255,136,.35); }
.badge.off { color: var(--red); border-color: rgba(255,92,92,.35); }
.badge.warn { color: var(--amber); border-color: rgba(240,180,41,.35); }

dialog {
  border: none;
  padding: 0;
  background: transparent;
}
dialog::backdrop { background: rgba(0,0,0,.62); }
.dialog-card {
  width: min(440px, calc(100vw - 32px));
  padding: 20px;
  border-radius: 14px;
  display: grid;
  gap: 12px;
}
.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

@media (max-width: 980px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .create-grid { grid-template-columns: 1fr 1fr; }
  .span-2 { grid-column: span 2; }
}
@media (max-width: 640px) {
  .stats, .create-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
}