/* ============================================================
   GYM MANAGER — estilos
   Paleta: carbón profundo + lima energética (identidad de gym)
   ============================================================ */
:root {
  --carbon: #16181d;
  --carbon-claro: #1f2229;
  --lima: #c8f04b;
  --lima-oscuro: #90b31f;
  --tinta: #23262d;
  --gris: #6c7280;
  --fondo: #f4f5f2;
  --borde: #e3e5df;
}

body { background: var(--fondo); color: var(--tinta); font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }

.layout { display: flex; min-height: 100vh; }

/* ---------- Sidebar ---------- */
.sidebar {
  width: 240px; flex-shrink: 0; background: var(--carbon); color: #cfd3da;
  display: flex; flex-direction: column; padding: 1rem .75rem; position: sticky; top: 0; height: 100vh;
}
.sidebar .marca {
  display: flex; align-items: center; gap: .5rem; font-weight: 700; font-size: 1.05rem;
  color: #fff; padding: .5rem .75rem 1rem; letter-spacing: .02em;
}
.sidebar .marca i { color: var(--lima); font-size: 1.3rem; }
.sidebar .nav-link {
  color: #aab0bb; border-radius: .5rem; padding: .55rem .75rem; margin-bottom: .15rem;
  display: flex; align-items: center; gap: .6rem; font-size: .93rem;
}
.sidebar .nav-link:hover { color: #fff; background: var(--carbon-claro); }
.sidebar .nav-link.activo { color: var(--carbon); background: var(--lima); font-weight: 600; }
.sidebar .salir { margin-top: auto; color: #8a909c; }

/* ---------- Contenido ---------- */
.contenido { flex: 1; padding: 1.25rem 1.5rem 3rem; min-width: 0; }
.topbar { padding-bottom: 1rem; border-bottom: 1px solid var(--borde); margin-bottom: 1.25rem; }

.rol-badge { font-size: .7rem; vertical-align: middle; }
.rol-admin   { background: var(--lima); color: var(--carbon); }
.rol-staff   { background: #d7e3ff; color: #1d3f8f; }
.rol-cliente { background: #ffe6d5; color: #8a4310; }

/* ---------- Tarjetas KPI ---------- */
.kpi {
  background: #fff; border: 1px solid var(--borde); border-radius: .85rem; padding: 1rem 1.15rem;
}
.kpi .valor { font-size: 1.6rem; font-weight: 700; line-height: 1.1; }
.kpi .etiqueta { font-size: .8rem; color: var(--gris); text-transform: uppercase; letter-spacing: .05em; }
.kpi i { font-size: 1.5rem; color: var(--lima-oscuro); }

/* ---------- Tablas ---------- */
.card-tabla { background: #fff; border: 1px solid var(--borde); border-radius: .85rem; overflow: hidden; }
.card-tabla .cabecera { padding: .9rem 1.1rem; display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--borde); }
.table { margin-bottom: 0; }
.table th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--gris); background: #fafbf8; }
.table td { vertical-align: middle; font-size: .92rem; }

/* ---------- Botones ---------- */
.btn-lima { background: var(--lima); color: var(--carbon); font-weight: 600; border: none; }
.btn-lima:hover { background: var(--lima-oscuro); color: #fff; }

/* ---------- Login ---------- */
.login-fondo {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background:
    linear-gradient(160deg, rgba(22,24,29,.92) 40%, rgba(22,24,29,.75)),
    repeating-linear-gradient(45deg, #1c1f26 0 14px, #16181d 14px 28px);
}
.login-caja { width: 100%; max-width: 400px; background: #fff; border-radius: 1rem; padding: 2.25rem 2rem; }
.login-caja .marca { font-weight: 800; font-size: 1.35rem; }
.login-caja .marca i { color: var(--lima-oscuro); }

/* ---------- Check-in ---------- */
.checkin-ok  { border-left: 6px solid #4caf50; }
.checkin-bad { border-left: 6px solid #e53935; }

/* ---------- Recibo imprimible ---------- */
@media print {
  .sidebar, .topbar, .no-print, .alert { display: none !important; }
  .contenido { padding: 0; }
  body { background: #fff; }
}

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .sidebar { position: fixed; z-index: 1050; left: -260px; transition: left .25s; height: 100vh; }
  .sidebar.abierto { left: 0; }
}

/* ---------- Avatares y fotos ---------- */
.avatar-mini { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; border: 2px solid var(--borde); }
.avatar-grande { width: 96px; height: 96px; border-radius: 12px; object-fit: cover; border: 3px solid var(--borde); }