:root {
  --bg: #0f1115;
  --panel: #181b22;
  --panel-2: #1f232c;
  --border: #2a2f3a;
  --text: #e8eaed;
  --muted: #9aa3b2;
  --accent: #e8a13a;      /* warm bakery amber */
  --accent-2: #6ea8fe;
  --good: #5bc98a;
  --warn: #e0b341;
  --bad: #e2674a;
  --radius: 10px;
  --shadow: 0 2px 10px rgba(0,0,0,.35);
  font-size: 15px;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}
.boot { padding: 40px; color: var(--muted); }

/* Layout */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px; background: var(--panel); border-right: 1px solid var(--border);
  padding: 18px 12px; flex-shrink: 0;
}
.brand { font-weight: 700; font-size: 1.15rem; padding: 6px 10px 16px; }
.brand .dot { color: var(--accent); }
.nav button {
  display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
  background: transparent; color: var(--text); border: 0; padding: 10px 12px;
  border-radius: 8px; cursor: pointer; font-size: .95rem; margin-bottom: 2px;
}
.nav button:hover { background: var(--panel-2); }
.nav button.active { background: var(--accent); color: #1a1206; font-weight: 600; }
.nav .nav-sep { color: var(--muted); font-size: .72rem; text-transform: uppercase;
  letter-spacing: .08em; padding: 14px 12px 6px; }

.main { flex: 1; padding: 28px 34px; max-width: 1100px; }
.page-title { font-size: 1.5rem; font-weight: 700; margin: 0 0 4px; }
.page-sub { color: var(--muted); margin: 0 0 22px; }

/* Cards / panels */
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; margin-bottom: 18px; box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 4px; font-size: 1.05rem; }
.card .hint { color: var(--muted); font-size: .88rem; margin: 0 0 14px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }

/* Tutorial / coachmark */
.tutorial {
  border-left: 3px solid var(--accent-2); background: rgba(110,168,254,.08);
  padding: 12px 14px; border-radius: 6px; margin: 0 0 16px; font-size: .9rem;
}
.tutorial b { color: var(--accent-2); }
.why { color: var(--muted); font-size: .82rem; font-style: italic; }

/* Forms */
label { display: block; font-size: .85rem; color: var(--muted); margin: 12px 0 4px; }
input, select, textarea {
  width: 100%; background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); padding: 9px 11px; border-radius: 7px; font-size: .95rem;
}
input:focus, select:focus, textarea:focus { outline: 1px solid var(--accent-2); }
.row { display: flex; gap: 12px; }
.row > * { flex: 1; }

button.btn {
  background: var(--accent); color: #1a1206; border: 0; padding: 10px 16px;
  border-radius: 8px; font-weight: 600; cursor: pointer; font-size: .95rem;
}
button.btn:hover { filter: brightness(1.06); }
button.btn.secondary { background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); }
button.btn.ghost { background: transparent; color: var(--accent-2); }
button.btn:disabled { opacity: .5; cursor: not-allowed; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase;
  letter-spacing: .04em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:hover td { background: rgba(255,255,255,.02); }

/* Pipeline trace */
.trace { display: grid; grid-template-columns: auto 1fr auto; gap: 0 14px; align-items: baseline; }
.trace .stage { color: var(--accent); font-weight: 600; font-size: .8rem;
  text-transform: uppercase; letter-spacing: .04em; padding: 6px 0; }
.trace .desc { color: var(--muted); font-size: .9rem; padding: 6px 0; }
.trace .val { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600;
  padding: 6px 0; }
.trace .final { color: var(--accent); font-size: 1.05rem; }

/* Stats */
.stat { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 16px; }
.stat .n { font-size: 1.6rem; font-weight: 700; }
.stat .l { color: var(--muted); font-size: .82rem; }
.pos { color: var(--good); } .neg { color: var(--bad); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: .75rem;
  background: var(--panel-2); border: 1px solid var(--border); color: var(--muted); }
.badge.good { color: var(--good); border-color: var(--good); }
.badge.warn { color: var(--warn); border-color: var(--warn); }

.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-state h2 { color: var(--text); }
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.spacer { flex: 1; }
.pill-tabs { display: flex; gap: 6px; margin-bottom: 18px; flex-wrap: wrap; }
.pill-tabs button { background: var(--panel-2); border: 1px solid var(--border);
  color: var(--muted); padding: 6px 14px; border-radius: 999px; cursor: pointer; }
.pill-tabs button.active { background: var(--accent); color: #1a1206; border-color: var(--accent); }
small.help { color: var(--muted); }

/* Onboarding stepper */
.stepper { display: flex; gap: 8px; margin: 0 0 24px; flex-wrap: wrap; }
.stepper .step { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .85rem; }
.stepper .step .num { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center;
  background: var(--panel-2); border: 1px solid var(--border); font-size: .75rem; }
.stepper .step.done .num { background: var(--good); color: #07210f; border-color: var(--good); }
.stepper .step.active .num { background: var(--accent); color: #1a1206; border-color: var(--accent); }
.stepper .step.active { color: var(--text); font-weight: 600; }