/* ============================================================
   Quiniela NFL - Estilos principales
   Minimalista, sans-serif, responsivo
   ============================================================ */

:root {
  --azul-nfl: #013369;
  --rojo-nfl: #d50a0a;
  --blanco: #ffffff;
  --gris-fondo: #f0f2f5;
  --gris-claro: #e8eaed;
  --gris-borde: #d1d5db;
  --gris-texto: #374151;
  --gris-suave: #6b7280;
  --sombra: 0 1px 4px rgba(0,0,0,0.10);
  --sombra-md: 0 2px 12px rgba(0,0,0,0.12);
  --radio: 8px;
  --radio-sm: 4px;
  --transicion: 0.18s ease;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--gris-fondo);
  color: var(--gris-texto);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--azul-nfl); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }

ul { list-style: none; }

/* ============================================================
   ENCABEZADO / NAV
   ============================================================ */
.encabezado {
  background: var(--azul-nfl);
  color: var(--blanco);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--sombra-md);
}

.encabezado-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.encabezado-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--blanco);
  letter-spacing: 0.02em;
}

.encabezado-logo .escudo {
  width: 32px;
  height: 32px;
  background: var(--rojo-nfl);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radio-sm);
  font-size: 0.875rem;
  transition: background var(--transicion), color var(--transicion);
}

.nav-links a:hover,
.nav-links a.activo {
  background: rgba(255,255,255,0.12);
  color: var(--blanco);
  text-decoration: none;
}

.nav-links a.salir {
  color: rgba(255,150,150,0.9);
}
.nav-links a.salir:hover { background: rgba(213,10,10,0.3); color: #fff; }

/* Hamburguesa (móvil) */
.btn-menu {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  color: var(--blanco);
}

.btn-menu span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--blanco);
  margin: 4px 0;
  transition: var(--transicion);
}

.nav-movil {
  display: none;
  background: #012455;
  padding: 0.5rem 1rem 1rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.nav-movil a {
  display: block;
  color: rgba(255,255,255,0.85);
  padding: 0.6rem 0.5rem;
  border-radius: var(--radio-sm);
  font-size: 0.9rem;
  transition: background var(--transicion);
}

.nav-movil a:hover { background: rgba(255,255,255,0.08); text-decoration: none; }
.nav-movil a.salir { color: rgba(255,150,150,0.9); }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .btn-menu { display: block; }
  .nav-movil.abierto { display: block; }
}

/* ============================================================
   LAYOUT PRINCIPAL
   ============================================================ */
.contenedor {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

.contenedor-angosto {
  max-width: 560px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

/* ============================================================
   PÁGINA DE INICIO / LOGIN
   ============================================================ */
.pagina-inicio {
  min-height: 100vh;
  background: linear-gradient(135deg, #012240 0%, #013369 60%, #1a4a8a 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.inicio-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.logo-nfl {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logo-nfl-escudo {
  width: 120px;
  height: 120px;
  background: var(--rojo-nfl);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(213,10,10,0.4);
  margin-bottom: 0.4rem;
}

.logo-nfl-escudo span {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--blanco);
  letter-spacing: -0.02em;
}

.logo-empresa {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

.logo-empresa-icono {
  width: 70px;
  height: 70px;
  border-radius: var(--radio);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.8rem;
  color: var(--blanco);
  text-align: center;
  line-height: 1.2;
}

.logo-empresa-icono.sinergia { background: #1e6db5; }
.logo-empresa-icono.sas { background: #2a7a4e; }

.logo-empresa span { font-size: 0.7rem; color: rgba(255,255,255,0.6); }

.inicio-titulo {
  color: var(--blanco);
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}

.inicio-subtitulo {
  color: rgba(255,255,255,0.55);
  font-size: 0.875rem;
  text-align: center;
  margin-bottom: 2rem;
}

.divisor-logos {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.2);
}

/* ============================================================
   TARJETA
   ============================================================ */
.tarjeta {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.tarjeta-titulo {
  font-size: 1rem;
  font-weight: 600;
  color: var(--azul-nfl);
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--gris-claro);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tarjeta-login {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  padding: 2rem;
  width: 100%;
  max-width: 380px;
}

/* ============================================================
   FORMULARIOS
   ============================================================ */
.campo {
  margin-bottom: 1rem;
}

.campo label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gris-suave);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.campo input,
.campo select,
.campo textarea {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio-sm);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--gris-texto);
  background: var(--blanco);
  transition: border-color var(--transicion), box-shadow var(--transicion);
  appearance: none;
}

.campo input:focus,
.campo select:focus,
.campo textarea:focus {
  outline: none;
  border-color: var(--azul-nfl);
  box-shadow: 0 0 0 3px rgba(1,51,105,0.12);
}

.campo textarea { resize: vertical; min-height: 80px; }

.campo-fila {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 480px) {
  .campo-fila { grid-template-columns: 1fr; }
}

/* ============================================================
   BOTONES
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radio-sm);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: background var(--transicion), opacity var(--transicion), transform var(--transicion);
  text-decoration: none;
  line-height: 1;
}

.btn:active { transform: scale(0.97); }

.btn-primario { background: var(--azul-nfl); color: var(--blanco); }
.btn-primario:hover { background: #012455; color: var(--blanco); text-decoration: none; }

.btn-peligro { background: var(--rojo-nfl); color: var(--blanco); }
.btn-peligro:hover { background: #b00808; color: var(--blanco); text-decoration: none; }

.btn-exito { background: #16a34a; color: var(--blanco); }
.btn-exito:hover { background: #15803d; color: var(--blanco); text-decoration: none; }

.btn-neutro { background: var(--gris-claro); color: var(--gris-texto); }
.btn-neutro:hover { background: #d1d5db; text-decoration: none; }

.btn-contorno {
  background: transparent;
  border: 1px solid var(--gris-borde);
  color: var(--gris-texto);
}
.btn-contorno:hover { background: var(--gris-claro); text-decoration: none; }

.btn-bloque { width: 100%; display: flex; }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1rem; }

/* ============================================================
   ALERTAS / MENSAJES
   ============================================================ */
.alerta {
  padding: 0.75rem 1rem;
  border-radius: var(--radio-sm);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.alerta-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alerta-exito { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.alerta-info  { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }
.alerta-advertencia { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }

/* ============================================================
   TABLAS
   ============================================================ */
.tabla-contenedor {
  overflow-x: auto;
  border-radius: var(--radio);
  box-shadow: var(--sombra);
}

.tabla {
  width: 100%;
  border-collapse: collapse;
  background: var(--blanco);
  font-size: 0.875rem;
}

.tabla thead { background: var(--azul-nfl); color: var(--blanco); }

.tabla thead th {
  padding: 0.75rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-align: left;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.tabla tbody tr { border-bottom: 1px solid var(--gris-claro); transition: background var(--transicion); }
.tabla tbody tr:last-child { border-bottom: none; }
.tabla tbody tr:hover { background: #f9fafb; }

.tabla td {
  padding: 0.7rem 1rem;
  color: var(--gris-texto);
  vertical-align: middle;
}

/* ============================================================
   BADGES / ETIQUETAS
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.badge-verde  { background: #dcfce7; color: #166534; }
.badge-rojo   { background: #fee2e2; color: #991b1b; }
.badge-azul   { background: #dbeafe; color: #1e40af; }
.badge-gris   { background: var(--gris-claro); color: var(--gris-suave); }
.badge-ambar  { background: #fef3c7; color: #92400e; }
.badge-nfl    { background: var(--azul-nfl); color: var(--blanco); }

/* ============================================================
   GRILLA DE ESTADÍSTICAS
   ============================================================ */
.grilla-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-tarjeta {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.stat-valor {
  font-size: 2rem;
  font-weight: 700;
  color: var(--azul-nfl);
  line-height: 1;
}

.stat-etiqueta {
  font-size: 0.75rem;
  color: var(--gris-suave);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

/* ============================================================
   PARTIDOS / PRONÓSTICOS
   ============================================================ */
.partido-card {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.75rem;
  transition: box-shadow var(--transicion);
}

.partido-card:hover { box-shadow: var(--sombra-md); }

.equipo-nombre {
  font-weight: 600;
  font-size: 0.95rem;
}

.equipo-ciudad {
  font-size: 0.75rem;
  color: var(--gris-suave);
}

.equipo-local { text-align: right; }
.equipo-visitante { text-align: left; }

.partido-vs {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}

.partido-vs span {
  font-weight: 700;
  color: var(--gris-suave);
  font-size: 0.75rem;
}

.partido-fecha {
  font-size: 0.7rem;
  color: var(--gris-suave);
  text-align: center;
}

/* Botones de pronóstico */
.pronostico-opciones {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--gris-claro);
}

.btn-pronostico {
  flex: 1;
  min-width: 80px;
  max-width: 160px;
  padding: 0.5rem 0.5rem;
  border: 2px solid var(--gris-borde);
  border-radius: var(--radio-sm);
  background: var(--blanco);
  color: var(--gris-texto);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-align: center;
  transition: all var(--transicion);
}

.btn-pronostico:hover { border-color: var(--azul-nfl); color: var(--azul-nfl); background: #eff6ff; }

.btn-pronostico.seleccionado-local   { border-color: var(--azul-nfl); background: var(--azul-nfl); color: var(--blanco); }
.btn-pronostico.seleccionado-visitante { border-color: var(--rojo-nfl); background: var(--rojo-nfl); color: var(--blanco); }
.btn-pronostico.seleccionado-empate  { border-color: #ca8a04; background: #ca8a04; color: var(--blanco); }

.partido-terminado { opacity: 0.8; }

.resultado-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.resultado-acierto { background: #dcfce7; color: #166534; }
.resultado-fallo   { background: #fee2e2; color: #991b1b; }
.resultado-pendiente { background: var(--gris-claro); color: var(--gris-suave); }

/* ============================================================
   TABLA DE POSICIONES
   ============================================================ */
.posicion-numero {
  font-weight: 700;
  color: var(--gris-suave);
  font-size: 0.875rem;
}

.posicion-1 .posicion-numero { color: #ca8a04; }
.posicion-2 .posicion-numero { color: var(--gris-suave); }
.posicion-3 .posicion-numero { color: #9a3412; }

.posicion-jugador { font-weight: 600; }

.puntos-totales {
  font-weight: 700;
  color: var(--azul-nfl);
  font-size: 1rem;
}

/* ============================================================
   SEMANA SELECTOR
   ============================================================ */
.selector-semana {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.btn-semana {
  padding: 0.4rem 0.8rem;
  border-radius: 100px;
  border: 1px solid var(--gris-borde);
  background: var(--blanco);
  color: var(--gris-texto);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--transicion);
  text-decoration: none;
}

.btn-semana:hover { border-color: var(--azul-nfl); color: var(--azul-nfl); text-decoration: none; }
.btn-semana.activa { background: var(--azul-nfl); color: var(--blanco); border-color: var(--azul-nfl); }

/* ============================================================
   ENCABEZADO DE SECCIÓN
   ============================================================ */
.seccion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.seccion-titulo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--azul-nfl);
}

.seccion-subtitulo {
  font-size: 0.8rem;
  color: var(--gris-suave);
  margin-top: 0.15rem;
}

/* ============================================================
   BARRA DE BÚSQUEDA
   ============================================================ */
.busqueda-barra {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.busqueda-barra input {
  flex: 1;
  min-width: 200px;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio-sm);
  font-size: 0.875rem;
  font-family: inherit;
}

.busqueda-barra input:focus {
  outline: none;
  border-color: var(--azul-nfl);
  box-shadow: 0 0 0 3px rgba(1,51,105,0.10);
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-fondo {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-fondo.abierto { display: flex; }

.modal-caja {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: 0 16px 48px rgba(0,0,0,0.25);
  padding: 1.75rem;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-titulo {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--azul-nfl);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gris-claro);
}

.modal-acciones {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

/* ============================================================
   RESPONSIVE AJUSTES
   ============================================================ */
@media (max-width: 950px) {
  .partido-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .equipo-local, .equipo-visitante { text-align: center; }
  .tabla td, .tabla th { padding: 0.6rem 0.6rem; font-size: 0.8rem; }
  .contenedor { padding: 1rem 0.75rem; }
  .tarjeta { padding: 1rem; }
  
  /* Logos en móvil - uno por renglón */
  .inicio-logos {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .divisor-logos {
    width: 60px;
    height: 1px;
    background: rgba(255,255,255,0.2);
  }
}

/* ============================================================
   UTILIDADES
   ============================================================ */
.texto-centro { text-align: center; }
.texto-derecha { text-align: right; }
.texto-muted { color: var(--gris-suave); font-size: 0.875rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.d-flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.flex-wrap { flex-wrap: wrap; }
.alinear-centro { align-items: center; }
.separador { height: 1px; background: var(--gris-claro); margin: 1rem 0; }

/* Colores de equipo en tablas */
.abr-equipo {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radio-sm);
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--blanco);
  background: var(--azul-nfl);
  letter-spacing: 0.02em;
}

/* Sin datos */
.sin-datos {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--gris-suave);
}
.sin-datos p { margin-top: 0.5rem; font-size: 0.875rem; }

/* Pie de página */
.pie-pagina {
  text-align: center;
  padding: 2rem 1rem 1rem;
  color: var(--gris-suave);
  font-size: 0.8rem;
}

/* ============================================================
   CHECKBOX PERSONALIZADOS
   ============================================================ */
input[type="checkbox"] {
  width: 18px !important;
  height: 18px !important;
  border: 2px solid var(--gris-borde);
  border-radius: 3px;
  background: var(--blanco);
  cursor: pointer;
  position: relative;
  appearance: none;
  transition: all var(--transicion);
}

input[type="checkbox"]:checked {
  background: var(--azul-nfl);
  border-color: var(--azul-nfl);
}

input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--blanco);
  font-size: 12px;
  font-weight: bold;
}

input[type="checkbox"]:hover {
  border-color: var(--azul-nfl);
  box-shadow: 0 0 0 2px rgba(1,51,105,0.1);
}