/* pulse-rs — minimal terminal-grade dashboard CSS. No frameworks. */

:root {
  --bg: #0a0a0a;
  --bg-alt: #111;
  --bg-row: #161616;
  --fg: #e8e8e8;
  --fg-dim: #a0a0a0;
  --fg-muted: #6b6b6b;
  --border: #262626;
  --accent: #4ade80;
  --warn: #fbbf24;
  --danger: #f87171;
  --info: #60a5fa;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
*::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.5 ui-sans-serif, system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--info); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Top bar */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand .dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
.topnav { display: flex; gap: 4px; }
.nav-link, .nav-active {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 6px;
  color: var(--fg-dim);
  font-size: 13px;
}
.nav-active { color: var(--fg); background: var(--bg-row); }
.nav-link:hover { color: var(--fg); background: var(--bg-row); text-decoration: none; }
.actions { margin-left: auto; }

/* Buttons */
.btn, .btn-primary, .btn-ghost, .btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: var(--bg-row);
  color: var(--fg);
  font: inherit;
  font-size: 13px;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover, .btn-ghost:hover { background: #1f1f1f; text-decoration: none; }
.btn-ghost { background: transparent; }
.btn-primary { background: var(--accent); color: #052e16; border-color: transparent; font-weight: 600; }
.btn-primary:hover { filter: brightness(0.95); }
.btn-danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: rgba(248,113,113,0.1); }

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px;
}
h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 4px 0;
}
h2 {
  font-size: 14px;
  font-weight: 600;
  margin: 24px 0 8px 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
}
.muted { color: var(--fg-muted); }

/* Stat cards grid */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 16px 0;
}
.stat-card {
  border: 1px solid var(--border);
  background: var(--bg-alt);
  border-radius: 8px;
  padding: 14px 16px;
}
.stat-label { color: var(--fg-muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; }
.stat-value { font-size: 24px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }
.stat-value.accent { color: var(--accent); }
.stat-value.warn { color: var(--warn); }
.stat-value.danger { color: var(--danger); }

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.table th, .table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.table th { color: var(--fg-muted); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; }
.table tbody tr:hover { background: var(--bg-row); }
.mono { font-family: var(--mono); font-size: 12px; }

/* Pills */
.pill {
  display: inline-block;
  padding: 1px 8px;
  font-size: 11px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-weight: 500;
}
.pill.s-new { color: var(--info); border-color: rgba(96,165,250,0.4); }
.pill.s-acked { color: var(--warn); border-color: rgba(251,191,36,0.4); }
.pill.s-resolved { color: var(--accent); border-color: rgba(74,222,128,0.4); }
.pill.sev-error { color: var(--danger); border-color: rgba(248,113,113,0.4); }
.pill.sev-warning { color: var(--warn); border-color: rgba(251,191,36,0.4); }
.pill.sev-info { color: var(--info); border-color: rgba(96,165,250,0.4); }

/* Throughput bars */
.throughput {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 80px;
  padding: 8px 0;
}
.throughput .bar {
  flex: 1;
  background: var(--info);
  opacity: 0.6;
  border-radius: 2px 2px 0 0;
  min-height: 2px;
}
.throughput .bar:hover { opacity: 1; }

/* Forms */
.form { display: flex; flex-direction: column; gap: 12px; max-width: 360px; }
.form label { font-size: 12px; color: var(--fg-dim); }
.form input[type="text"], .form input[type="email"], .form input[type="password"] {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 6px;
  font: inherit;
  font-size: 14px;
}
.form input:focus { outline: none; border-color: var(--info); }