/* Fusión Fitness — tokens de diseño base, propios (identidad de marca distinta de Fusión Gestión: acento
   energético naranja/rojo en vez de azul/violeta — "más cerca de una app de fitness" que de un panel admin
   genérico). Claro/oscuro desde el día uno. */
:root {
  --bg: #f7f7f5;
  --card: #ffffff;
  --border: #e6e4df;
  --text: #1c1917;
  --text-dim: #6b6560;
  --text-faint: #a39d96;
  --accent: #ea580c;
  --accent-soft: #fff1e8;
  --green: #16a34a;
  --amber: #d97706;
  --danger: #dc2626;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 1px 2px rgba(28,25,23,.04), 0 1px 12px rgba(28,25,23,.04);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141210; --card: #1e1b18; --border: #322d29; --text: #f4f2f0; --text-dim: #a8a19a; --text-faint: #6f6861;
    --accent: #fb923c; --accent-soft: #3a2314; --green: #4ade80; --amber: #fbbf24; --danger: #f87171;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #141210; --card: #1e1b18; --border: #322d29; --text: #f4f2f0; --text-dim: #a8a19a; --text-faint: #6f6861;
  --accent: #fb923c; --accent-soft: #3a2314; --green: #4ade80; --amber: #fbbf24; --danger: #f87171;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; -webkit-font-smoothing: antialiased; }
input, select, textarea, button { font-family: inherit; font-size: 14px; }
input, select, textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--card); color: var(--text); margin-top: 6px; }
label { display: block; font-size: 12.5px; font-weight: 650; color: var(--text-dim); margin-top: 14px; }
button { cursor: pointer; border: none; border-radius: 10px; padding: 11px 16px; font-weight: 650; background: var(--accent); color: #fff; transition: filter .12s; }
button:hover { filter: brightness(1.07); }
button:disabled { opacity: .5; cursor: default; }
button.sec { background: var(--card); color: var(--text); border: 1px solid var(--border); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 20px; }
.wrap-login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.wrap-login .card { width: 100%; max-width: 380px; }
.brand { display: flex; align-items: center; gap: 10px; justify-content: center; margin-bottom: 18px; }
.brand .mark { width: 40px; height: 40px; border-radius: 11px; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; }
.error { color: var(--danger); font-size: 13px; margin-top: 8px; min-height: 1px; }
.sub { color: var(--text-dim); font-size: 13px; }
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr)); gap: 12px; }
.kpi-card .lbl { font-size: 12px; color: var(--text-dim); font-weight: 650; margin-bottom: 6px; }
.kpi-card .val { font-size: 24px; font-weight: 750; }