:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --ink: #16202b;
  --muted: #667485;
  --line: #e3e8ee;
  --green: #1a9d5a;
  --amber: #d98a00;
  --red: #d33b3b;
  --gray: #9aa6b2;
  --shadow: 0 1px 3px rgba(16,32,43,.08), 0 1px 2px rgba(16,32,43,.06);
}
body.dark {
  --bg: #0f1620;
  --panel: #17212e;
  --ink: #e8eef4;
  --muted: #93a1b1;
  --line: #24313f;
  --shadow: 0 1px 3px rgba(0,0,0,.4);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 28px; border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.brand { display: flex; align-items: baseline; gap: 12px; }
#company-name { font-size: 20px; font-weight: 700; }
.period { color: var(--muted); font-size: 13px; }
#theme-toggle {
  border: 1px solid var(--line); background: var(--bg); color: var(--ink);
  border-radius: 8px; width: 38px; height: 34px; cursor: pointer; font-size: 16px;
}

main { max-width: 1120px; margin: 0 auto; padding: 24px 28px 40px; }

.grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(4, 1fr);
}
.grid-headline { margin-bottom: 8px; }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .grid { grid-template-columns: 1fr; } }

.pillar { margin-top: 28px; }
.pillar-title {
  font-size: 13px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--muted); margin: 0 0 12px; font-weight: 700;
}

.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; padding: 16px; box-shadow: var(--shadow);
  border-left: 4px solid var(--gray);
}
.card.status-green { border-left-color: var(--green); }
.card.status-amber { border-left-color: var(--amber); }
.card.status-red   { border-left-color: var(--red); }
.card.status-gray  { border-left-color: var(--gray); }

.headline .card { padding: 20px; }
.headline .card-value { font-size: 30px; }

.card-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.card-label { font-size: 13px; color: var(--muted); font-weight: 600; }
.tag {
  font-size: 10px; text-transform: uppercase; letter-spacing: .05em;
  padding: 2px 7px; border-radius: 999px; font-weight: 700;
}
.tag-leading { background: rgba(26,157,90,.14); color: var(--green); }
.tag-lagging { background: rgba(102,116,133,.16); color: var(--muted); }

.card-value { font-size: 24px; font-weight: 700; margin: 10px 0 8px; }

.card-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--muted); }
.card-meta .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gray); }
.status-green .card-meta .dot { background: var(--green); }
.status-amber .card-meta .dot { background: var(--amber); }
.status-red   .card-meta .dot { background: var(--red); }
.trend { margin-left: auto; font-weight: 700; }
.trend-up { color: var(--green); }
.trend-down { color: var(--red); }
.trend-flat { color: var(--muted); }

.spark { width: 100%; height: 32px; margin-top: 12px; display: block; }
.spark path { fill: none; stroke: var(--muted); stroke-width: 1.5; opacity: .7; }
.status-green .spark path { stroke: var(--green); }
.status-amber .spark path { stroke: var(--amber); }
.status-red   .spark path { stroke: var(--red); }

.empty { padding: 60px; text-align: center; color: var(--muted); }
.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 24px; }