:root {
  --bg: #f6f6f2;
  --surface: #ffffff;
  --text: #171717;
  --muted: #6b7280;
  --line: rgba(23, 23, 23, 0.08);
  --primary: #2f6fed;
  --success: #1f9d65;
  --danger: #c23b3b;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
  --radius: 22px;
}
* { box-sizing: border-box; }
html, body, #root { min-height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, select {
  font: inherit;
}
.app-shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-badge {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--text);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 700;
  transform: translateZ(0);
}
.brand h1 {
  margin: 0;
  font-size: 1.1rem;
}
.brand p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: .92rem;
}
.nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.nav a, .ghost-button {
  padding: 10px 14px;
  border-radius: 14px;
  color: var(--muted);
  transition: 180ms ease;
}
.nav a.active, .nav a:hover, .ghost-button:hover {
  background: rgba(47, 111, 237, 0.08);
  color: var(--primary);
}
.grid {
  display: grid;
  gap: 18px;
}
.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.grid-2 {
  grid-template-columns: 1.3fr .7fr;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  transition: transform 220ms cubic-bezier(.2,.8,.2,1), box-shadow 220ms cubic-bezier(.2,.8,.2,1);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,.07);
}
.hero {
  padding: 26px;
}
.eyebrow {
  color: var(--primary);
  font-weight: 600;
  font-size: .9rem;
}
.hero h2, .section-title {
  margin: 8px 0 6px;
  font-size: 1.9rem;
  letter-spacing: -0.03em;
}
.subtle {
  color: var(--muted);
}
.kpi {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.kpi-value {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -.04em;
}
.kpi.positive .kpi-value { color: var(--success); }
.kpi.negative .kpi-value { color: var(--danger); }
.button {
  border: 0;
  background: var(--text);
  color: white;
  padding: 12px 16px;
  border-radius: 16px;
  cursor: pointer;
  transition: 180ms cubic-bezier(.2,.8,.2,1);
}
.button:hover { transform: translateY(-1px) scale(1.01); }
.button:active { transform: scale(.985); }
.button.secondary {
  background: var(--primary);
}
.button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.input, .select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 16px;
  padding: 12px 14px;
  outline: none;
  transition: 180ms ease;
}
.input:focus, .select:focus {
  border-color: rgba(47, 111, 237, 0.4);
  box-shadow: 0 0 0 4px rgba(47, 111, 237, 0.08);
}
.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form {
  display: grid;
  gap: 14px;
}
.row {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.list {
  display: grid;
  gap: 10px;
}
.item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(0,0,0,.02);
}
.item strong { display: block; }
.badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: 999px;
  font-size: .82rem;
  background: rgba(47, 111, 237, 0.1);
  color: var(--primary);
}
.empty {
  padding: 28px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 20px;
}
.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}
.auth-card {
  width: 100%;
  max-width: 460px;
}
.footer-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: .9rem;
}
.error, .success {
  padding: 12px 14px;
  border-radius: 14px;
  font-size: .93rem;
}
.error { background: rgba(194,59,59,.08); color: var(--danger); }
.success { background: rgba(31,157,101,.08); color: var(--success); }
.table-wrap { overflow: auto; }
.table {
  width: 100%;
  border-collapse: collapse;
}
.table th, .table td {
  text-align: left;
  padding: 14px 10px;
  border-bottom: 1px solid var(--line);
}
.stack { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.spread { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
@media (max-width: 900px) {
  .grid-3, .grid-2, .row { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: stretch; }
}