:root {
  --bg: #0a0d12;
  --bg-elev: #12171f;
  --bg-soft: #181e28;
  --line: #273041;
  --line-strong: #3a465c;
  --text: #eef2f7;
  --muted: #8d9aaf;
  --faint: #66758b;
  --accent: #d4f562;
  --accent-ink: #12170a;
  --teal: #5eead4;
  --danger: #ff6b7a;
  --warn: #f5b942;
  --ok: #5eead4;
  --info: #7cb8ff;
  --shadow: 0 18px 50px rgba(0, 0, 0, .35);
  --radius: 16px;
  --sidebar: 248px;
  --sans: "Sora", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  letter-spacing: -.01em;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

.app {
  display: grid;
  grid-template-columns: var(--sidebar) 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 22px 16px;
  border-right: 1px solid var(--line);
  background:
    radial-gradient(1200px 400px at -20% -10%, rgba(212, 245, 98, .08), transparent 50%),
    var(--bg-elev);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px 12px;
}
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-ink);
  display: grid; place-items: center;
  font-weight: 700;
  font-size: 14px;
}
.brand strong { display: block; font-size: 14px; }
.brand span { display: block; color: var(--muted); font-size: 11px; margin-top: 1px; }

.nav { display: flex; flex-direction: column; gap: 4px; }
.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 9px 12px;
  border-radius: 10px;
  font-size: 13.5px;
  display: flex; align-items: center; gap: 10px;
}
.nav a:hover, .nav a.active {
  background: var(--bg-soft);
  color: var(--text);
  text-decoration: none;
}
.nav a.active { box-shadow: inset 2px 0 0 var(--accent); }
.nav .ico { width: 18px; text-align: center; }

.sidebar-foot {
  margin-top: auto;
  padding: 12px;
  border-radius: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  font-size: 12px;
}
.pulse {
  display: inline-block;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(94, 234, 212, .6);
  animation: pulse 2s infinite;
  margin-right: 6px;
}
.pulse.off { background: var(--danger); box-shadow: none; animation: none; }
@keyframes pulse {
  70% { box-shadow: 0 0 0 8px rgba(94, 234, 212, 0); }
}

.main { min-width: 0; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
}
.topbar h1 { font-size: 20px; margin: 0; font-weight: 600; }
.topbar .who { color: var(--muted); font-size: 13px; display: flex; gap: 12px; align-items: center; }
.content { padding: 24px 28px 48px; }

.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.span-2 { grid-column: span 2; }

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.card h2, .card h3 { margin: 0 0 12px; font-size: 14px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }

.stat { padding: 8px 4px; }
.stat .k { font-family: var(--mono); font-size: 28px; font-weight: 500; }
.stat .l { color: var(--muted); font-size: 12px; margin-top: 4px; }

.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--faint); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
tr:hover td { background: rgba(255,255,255,.02); }
.mono { font-family: var(--mono); font-size: 12px; }

.badge {
  display: inline-flex; align-items: center;
  padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600;
  background: var(--bg-soft); color: var(--muted); border: 1px solid var(--line);
}
.badge.ok { color: #042f2e; background: var(--teal); border-color: transparent; }
.badge.accent { color: var(--accent-ink); background: var(--accent); border-color: transparent; }
.badge.warn { color: #3b2a05; background: var(--warn); border-color: transparent; }
.badge.danger { color: #fff; background: var(--danger); border-color: transparent; }
.badge.info { color: #062044; background: var(--info); border-color: transparent; }
.badge.high { color: #3b2a05; background: var(--warn); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--line-strong);
  background: var(--bg-soft);
  color: var(--text);
  padding: 9px 14px;
  border-radius: 10px;
  font: inherit; font-size: 13px;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; font-weight: 600; }
.btn-danger { background: transparent; color: var(--danger); border-color: #5a2430; }
.btn-ghost { background: transparent; }
.btn-sm { padding: 6px 10px; font-size: 12px; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

form .field { margin-bottom: 12px; }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit; font-size: 14px;
}
textarea { min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: 2px solid rgba(212, 245, 98, .35);
  border-color: var(--accent);
}
.help { color: var(--faint); font-size: 12px; margin-top: 4px; }

.flash {
  padding: 12px 14px; border-radius: 12px; margin-bottom: 16px; font-size: 13px;
  border: 1px solid var(--line);
}
.flash-success { background: rgba(94,234,212,.08); border-color: #155e75; }
.flash-error { background: rgba(255,107,122,.08); border-color: #7f1d1d; }
.flash-info { background: rgba(124,184,255,.08); border-color: #1e3a5f; }

.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(800px 400px at 20% 20%, rgba(212,245,98,.12), transparent 50%),
    radial-gradient(600px 400px at 80% 80%, rgba(94,234,212,.1), transparent 50%),
    var(--bg);
}
.auth-card { width: min(440px, calc(100% - 32px)); }

.chg.up { color: var(--teal); }
.chg.down { color: var(--danger); }

.empty { color: var(--muted); padding: 24px 8px; font-size: 14px; }

.tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.tabs a { color: var(--muted); padding: 6px 10px; border-radius: 8px; text-decoration: none; font-size: 13px; }
.tabs a.active, .tabs a:hover { background: var(--bg-soft); color: var(--text); }

pre.code {
  background: #07090d;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  overflow: auto;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
}

.kpi-mini { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; color: var(--muted); margin-top: 8px; }

@media (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .content, .topbar { padding-left: 16px; padding-right: 16px; }
}