/* Chaos Analytics — dark theme, hand-written, no framework.
   Palette: bg #17181C · card #22242B · border #33363F · accent #8B7BF4
            text #D6D3DE · muted #9C98A6 · headings #FFFFFF
   Chart series (validated for dark surfaces, fixed order):
            #8B7BF4 purple · #2FA98C teal · #C08428 amber · #C75D8D rose */

:root {
  --bg: #17181C;
  --card: #22242B;
  --border: #33363F;
  --accent: #8B7BF4;
  --text: #D6D3DE;
  --muted: #9C98A6;
  --heading: #FFFFFF;
  --teal: #2FA98C;
  --amber: #C08428;
  --rose: #C75D8D;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

h1, h2, h3 { color: var(--heading); font-weight: 650; }
h1 { font-size: 22px; margin: 4px 0 18px; }
h2 { font-size: 15px; margin: 0 0 12px; }
h3 { font-size: 13px; margin: 0 0 8px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
h2 .muted { font-weight: 400; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.nowrap { white-space: nowrap; }
.accent { color: var(--accent); }

/* ---------- header / nav ---------- */
header {
  display: flex; align-items: center; gap: 20px;
  padding: 12px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand { color: var(--heading); font-weight: 750; font-size: 15px; letter-spacing: 0.01em; }
.brand-accent { color: var(--accent); }
header nav { display: flex; gap: 4px; flex-wrap: wrap; }
header nav a {
  color: var(--muted); padding: 5px 10px; border-radius: 6px; font-size: 13px;
}
header nav a:hover { color: var(--heading); background: rgba(139, 123, 244, 0.10); text-decoration: none; }
header .spacer { flex: 1; }
header .who { color: var(--muted); font-size: 12px; }
header .logout { color: var(--muted); font-size: 12px; }

main { max-width: 1180px; margin: 24px auto 64px; padding: 0 20px; }

/* ---------- banners / flashes ---------- */
.flash, .banner {
  border-radius: 8px; padding: 10px 14px; margin-bottom: 14px; font-size: 13px;
  background: rgba(139, 123, 244, 0.10);
  border: 1px solid rgba(139, 123, 244, 0.35);
}
.banner.warn { background: rgba(192, 132, 40, 0.10); border-color: rgba(192, 132, 40, 0.45); }
.banner.err  { background: rgba(199, 93, 141, 0.10); border-color: rgba(199, 93, 141, 0.45); }

/* ---------- cards & stat tiles ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 18px;
}
.card-grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
}
.card-grid .card { margin-bottom: 0; }
.card.wide { grid-column: 1 / -1; }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

.stat-grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin-bottom: 20px;
}
.stat-tile {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 16px;
}
.stat-label { color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.stat-value { color: var(--heading); font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-value.text { font-size: 17px; line-height: 2.1; white-space: nowrap; }

/* ---------- charts ---------- */
.chart-wrap { position: relative; height: 220px; }
.chart-wrap.tall { height: 300px; }

/* ---------- forms ---------- */
form label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.filter-row {
  display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; margin-bottom: 18px;
}
.filter-col { display: flex; flex-direction: column; gap: 12px; max-width: 420px; }
.filter-row .grow, .filter-col .grow { flex: 1; min-width: 220px; }
input, select, textarea {
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 7px;
  padding: 8px 10px; font-size: 13px; font-family: inherit;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }
input[type="checkbox"] { accent-color: var(--accent); }
.live-toggle { flex-direction: row !important; align-items: center; gap: 6px; padding-bottom: 8px; }

.btn {
  display: inline-block; background: var(--accent); color: #17181C;
  border: 0; border-radius: 7px; padding: 9px 16px;
  font-size: 13px; font-weight: 650; cursor: pointer; text-align: center;
}
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn.secondary {
  background: transparent; color: var(--text); border: 1px solid var(--border);
  font-weight: 500;
}
.btn.secondary:hover { border-color: var(--accent); color: var(--heading); }
.btn.secondary.active { border-color: var(--accent); color: var(--accent); }
.btn.block { display: block; width: 100%; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }
.preset-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }

/* ---------- tables ---------- */
.table-scroll { overflow-x: auto; }
.data-table { border-collapse: collapse; width: 100%; font-size: 13px; }
.data-table th, .data-table td {
  text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top;
}
.data-table th { color: var(--muted); font-weight: 600; font-size: 12px; }
.data-table td { font-variant-numeric: tabular-nums; }

.pill {
  display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: rgba(139, 123, 244, 0.14); color: var(--text);
  border: 1px solid rgba(139, 123, 244, 0.30);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.pill.ok { background: rgba(47, 169, 140, 0.14); border-color: rgba(47, 169, 140, 0.40); }

pre.props {
  margin: 0; font-size: 11px; color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre-wrap; max-width: 340px;
}
.load-more { margin-top: 12px; text-align: center; }

/* ---------- funnel bars ---------- */
.funnel { display: flex; flex-direction: column; gap: 14px; }
.funnel-meta { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.funnel-name { color: var(--heading); font-weight: 600; }
.funnel-nums { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.funnel-track {
  background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
  height: 22px; overflow: hidden;
}
.funnel-bar {
  height: 100%; background: var(--accent); border-radius: 4px 4px 4px 4px;
  min-width: 2px; transition: width 0.3s ease;
}

/* ---------- retention grid ---------- */
.retention-grid td.ret-cell {
  color: var(--heading); text-align: center; min-width: 52px;
  border: 2px solid var(--card); border-radius: 4px;
  font-variant-numeric: tabular-nums;
}

/* ---------- user profile ---------- */
.profile-grid {
  display: grid; gap: 18px 28px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top: 12px;
}
.profile-grid section dl { margin: 0; }
.profile-grid dt { color: var(--muted); font-size: 11px; margin-top: 6px; }
.profile-grid dd { margin: 0; font-size: 13px; }

/* ---------- login ---------- */
.login-page { display: flex; align-items: flex-start; justify-content: center; min-height: 100vh; }
.login-box {
  margin-top: 14vh; width: 340px;
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 28px;
}
.login-box h1 { font-size: 18px; margin: 0 0 2px; }
.login-box .muted { margin: 0 0 18px; font-size: 12px; }
.login-box input { width: 100%; margin-bottom: 10px; }
.login-box .or { text-align: center; color: var(--muted); font-size: 12px; margin: 14px 0; }