:root {
  --bg: #0b0d11;
  --bg-elev: #12151c;
  --bg-hover: #1a1f29;
  --line: #262c38;
  --text: #eceef2;
  --muted: #8b93a4;
  --accent: #7c9cff;
  --accent-dim: #3d4d7a;
  --ok: #3dba8b;
  --warn: #d4a017;
  --danger: #e25d5d;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 14px;
  --font: "SF Pro Text", "PingFang SC", "Segoe UI", sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font: 15px/1.5 var(--font);
  color: var(--text);
  background: var(--bg);
}

a { color: var(--accent); text-decoration: none; }
button, input, select { font: inherit; color: inherit; }
input, select {
  background: #0e1117;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  outline: none;
  width: 100%;
}
input:focus, select:focus { border-color: var(--accent); }
label { display: block; font-size: 13px; color: var(--muted); margin: 0 0 6px; }
.field { margin: 0 0 14px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  background: var(--accent);
  color: #0b0d11;
  font-weight: 600;
}
.btn:hover { filter: brightness(1.06); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.btn-ghost:hover { background: var(--bg-hover); }
.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(226, 93, 93, 0.35);
}
.btn-sm { padding: 6px 10px; font-size: 13px; border-radius: 8px; }

/* login */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
  background:
    radial-gradient(900px 420px at 50% -10%, #1b2450 0%, transparent 55%),
    var(--bg);
}
.login-card {
  width: min(420px, 100%);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px 32px 28px;
  box-shadow: var(--shadow);
}
.brand {
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 8px;
}
.login-card h1 {
  margin: 0 0 8px;
  font-size: 26px;
  letter-spacing: -0.03em;
}
.login-card .sub {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 14px;
}
.login-card .btn { width: 100%; margin-top: 8px; }
.alert {
  background: rgba(226, 93, 93, 0.1);
  color: #f0b4b4;
  border: 1px solid rgba(226, 93, 93, 0.28);
  border-radius: 10px;
  padding: 10px 12px;
  margin: 0 0 16px;
  font-size: 14px;
}
.login-foot {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

/* app */
.app { min-height: 100vh; }
.top {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 13, 17, 0.88);
  position: sticky;
  top: 0;
  z-index: 5;
}
.top-left { display: flex; align-items: baseline; gap: 12px; }
.top-left strong { letter-spacing: 0.08em; font-size: 13px; text-transform: uppercase; }
.top-left span { color: var(--muted); font-size: 13px; }
.top-actions { display: flex; gap: 8px; }

.page { width: min(1120px, calc(100% - 40px)); margin: 0 auto; padding: 28px 0 64px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 0 0 28px; }
.stat {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
}
.stat .k { color: var(--muted); font-size: 12px; letter-spacing: 0.04em; }
.stat .v { font-size: 28px; letter-spacing: -0.04em; margin-top: 8px; font-weight: 650; }
.stat .s { color: var(--muted); font-size: 12px; margin-top: 6px; }

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 8px 0 12px;
}
.section-head h2 { margin: 0; font-size: 18px; letter-spacing: -0.02em; }

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0 0 22px;
}
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th { color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: 0.04em; }
tr:last-child td { border-bottom: 0; }
tr:hover td { background: rgba(255,255,255,0.015); }
.empty { padding: 28px 16px; color: var(--muted); }

.pill {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}
.pill-ok { color: var(--ok); border-color: rgba(61, 186, 139, 0.35); }
.pill-warn { color: var(--warn); border-color: rgba(212, 160, 23, 0.35); }
.mono { font-family: var(--mono); font-size: 12px; word-break: break-all; color: var(--muted); }
.row-actions { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.inline { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline input, .inline select { width: auto; min-width: 0; }
.bar {
  height: 6px;
  background: #1d2330;
  border-radius: 99px;
  overflow: hidden;
  margin-top: 8px;
}
.bar > i { display: block; height: 100%; background: var(--accent); }
.bar.warn > i { background: var(--warn); }
.bar.danger > i { background: var(--danger); }

.grid-2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 22px; }
.form-grid { display: grid; gap: 12px; padding: 16px; }
.form-grid .btn { width: fit-content; }
.feed { list-style: none; margin: 0; padding: 8px 4px 12px; }
.feed li { padding: 10px 16px; color: var(--muted); font-size: 13px; border-bottom: 1px solid var(--line); }
.feed li:last-child { border-bottom: 0; }
.hint { color: var(--muted); font-size: 13px; }

@media (max-width: 860px) {
  .stats, .grid-2 { grid-template-columns: 1fr; }
  .top { padding: 0 16px; }
  .page { width: calc(100% - 24px); }
  .inline { width: 100%; }
  .inline input, .inline select { flex: 1; }
}