:root {
  --blanco: #ffffff;
  --gris-fondo: #f8fafc;
  --gris-borde: #e2e8f0;
  --azul: #0f2b5c;
  --azul-claro: #1d4ed8;
  --rojo: #dc2626;
  --rojo-hover: #b91c1c;
  --verde: #16a34a;
  --texto-oscuro: #1e293b;
  --texto-suave: #64748b;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--gris-fondo);
  color: var(--texto-oscuro);
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.5;
}

/* --- NAV --- */
.top-nav {
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-borde);
  padding: 0.85rem 5%;
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.link-volver {
  text-decoration: none;
  color: var(--azul);
  font-weight: 700;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.link-volver:hover {
  color: var(--rojo);
}

.nav-badge {
  background-color: #fee2e2;
  color: var(--rojo);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- CABECERA --- */
.fechas-hero {
  background: linear-gradient(135deg, var(--azul) 0%, #081a38 100%);
  color: var(--blanco);
  padding: 3.5rem 5% 3rem;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.categoria-tag {
  display: inline-block;
  background-color: var(--rojo);
  color: var(--blanco);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.fechas-hero h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 0.5rem;
}

.fechas-hero p {
  color: #cbd5e1;
  font-size: 1rem;
}

/* --- CONTENIDO PRINCIPAL --- */
.fechas-main {
  max-width: 950px;
  margin: 3rem auto 4rem;
  padding: 0 5%;
}

.competiciones-grid {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

/* --- TARJETA DE COMPETICIÓN --- */
.tarjeta-competicion {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: 14px;
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 100px 1fr auto;
  align-items: center;
  gap: 1.5rem;
  box-shadow: 0 4px 15px rgba(15, 43, 92, 0.03);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tarjeta-competicion:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(15, 43, 92, 0.08);
}

.fecha-badge {
  background: #f1f5f9;
  border: 1px solid var(--gris-borde);
  border-radius: 10px;
  text-align: center;
  padding: 0.6rem 0.4rem;
}

.fecha-badge .mes {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--rojo);
}

.fecha-badge .dia {
  display: block;
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--azul);
  line-height: 1.1;
}

.info-competicion h3 {
  color: var(--azul);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.detalles-meta {
  display: flex;
  gap: 1.2rem;
  font-size: 0.85rem;
  color: var(--texto-suave);
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.badges-categoria {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.badge-tipo {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: 4px;
  background: #eff6ff;
  color: var(--azul-claro);
  text-transform: uppercase;
}

.acciones-competicion {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.btn-reglamento {
  display: inline-block;
  background-color: var(--azul);
  color: var(--blanco);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.6rem 1.1rem;
  border-radius: 6px;
  white-space: nowrap;
  transition: background-color 0.2s ease;
}

.btn-reglamento:hover {
  background-color: var(--rojo);
}

.estado-inscripcion {
  font-size: 0.75rem;
  font-weight: 700;
}

.estado-abierto { color: var(--verde); }
.estado-cerrado { color: var(--rojo); }

/* --- ESTADO VACÍO (SIN COMPETICIONES / DESCANSO) --- */
.sin-competiciones {
  background: var(--blanco);
  border: 1px dashed var(--gris-borde);
  border-radius: 16px;
  padding: 3.5rem 2rem;
  text-align: center;
  max-width: 600px;
  margin: 1rem auto;
}

.sin-competiciones-icono {
  width: 60px;
  height: 60px;
  margin: 0 auto 1.2rem;
  background: #eff6ff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--azul);
}

.sin-competiciones h2 {
  color: var(--azul);
  font-size: 1.4rem;
  margin-bottom: 0.6rem;
}

.sin-competiciones p {
  color: var(--texto-suave);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.btn-volver-pista {
  display: inline-block;
  background: var(--azul);
  color: var(--blanco);
  padding: 0.6rem 1.4rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  transition: background-color 0.2s ease;
}

.btn-volver-pista:hover {
  background: var(--rojo);
}

.estado-cargando {
  text-align: center;
  color: var(--texto-suave);
  padding: 2rem;
}

/* Responsive */
@media (max-width: 720px) {
  .tarjeta-competicion {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .fecha-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.4rem 0.8rem;
    width: fit-content;
  }

  .acciones-competicion {
    align-items: stretch;
    margin-top: 0.5rem;
  }

  .btn-reglamento {
    text-align: center;
  }
}