:root {
  --bg: #FFFFFF;
  --surface: #FAFAFA;
  --ink: #1A1A1A;
  --muted: #999999;
  --primary: #1A1A1A;
  --accent: #D35F3C;
  --success: #4A7C59;
  --warning: #E09F3E;
  --error: #B85450;
  --border: #E5E5E5;
  --radius: 0px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --transition: cubic-bezier(0.4, 0, 0.2, 1) 300ms;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  font-weight: 400;
}

/* Navegación */
.nav-principal {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.nav-contenedor {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--ink);
  text-decoration: none;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  transition: color var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent);
}

@media (max-width: 768px) {
  .nav-links {
    gap: 1rem;
  }

  .nav-link {
    font-size: 0.75rem;
  }

  .nav-logo {
    font-size: 1rem;
  }
}

/* Header Hero */
.header-hero {
  background-color: var(--ink);
  color: white;
  padding: 4rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.header-patron {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(45deg, rgba(255,255,255,0.03) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.03) 75%, rgba(255,255,255,0.03)),
    linear-gradient(45deg, rgba(255,255,255,0.03) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.03) 75%, rgba(255,255,255,0.03));
  background-size: 60px 60px;
  background-position: 0 0, 30px 30px;
  opacity: 0.5;
  pointer-events: none;
}

.header-contenido {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  animation: fadeInDown 0.6s ease-out;
}

.header-titulo {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.header-subtitulo {
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.6;
  max-width: 600px;
  opacity: 0.9;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .header-hero {
    padding: 3rem 1.5rem;
  }

  .header-titulo {
    font-size: 2rem;
  }

  .header-subtitulo {
    font-size: 1rem;
  }
}

/* Contenedor principal */
.app-contenedor {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.main-contenedor {
  grid-column: 1;
}

.sidebar-ads {
  grid-column: 2;
  position: sticky;
  top: 100px;
  height: fit-content;
}

@media (max-width: 1024px) {
  .app-contenedor {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .sidebar-ads {
    grid-column: 1;
    position: static;
  }
}

/* Buscador */
.buscador-seccion {
  margin-bottom: 2rem;
}

.buscador-input {
  width: 100%;
  padding: 1.25rem 0;
  border: none;
  border-bottom: 2px solid var(--border);
  background-color: transparent;
  font-family: 'Montserrat', sans-serif;
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--ink);
  transition: border-color var(--transition);
}

.buscador-input::placeholder {
  color: var(--muted);
  font-weight: 400;
}

.buscador-input:focus {
  outline: none;
  border-bottom-color: var(--ink);
}

/* Filtros */
.filtros-seccion {
  margin-bottom: 2rem;
}

.categorias-tabs {
  display: flex;
  gap: 0;
  overflow-x: auto;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
  -webkit-overflow-scrolling: touch;
}

.categoria-tab {
  padding: 1rem 1.5rem;
  border: none;
  background-color: transparent;
  color: var(--ink);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
  border-bottom: 2px solid transparent;
}

.categoria-tab:hover {
  color: var(--accent);
}

.categoria-tab.active {
  background-color: var(--ink);
  color: white;
  border-bottom-color: var(--ink);
}

.contador-categoria {
  display: inline-block;
  margin-left: 0.5rem;
  font-weight: 600;
  opacity: 0.7;
}

.toggle-seccion {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
}

.toggle-input {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--ink);
}

.toggle-texto {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--ink);
}

.hora-actual {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
}

/* Listado de comercios */
.listado-comercios {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.comercio-card {
  background-color: var(--bg);
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 2rem;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.comercio-card:hover {
  background-color: var(--surface);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.comercio-icono {
  width: 80px;
  height: 80px;
  min-width: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  background-color: var(--surface);
  border-radius: var(--radius);
}

.comercio-contenido {
  flex: 1;
  min-width: 0;
}

.comercio-nombre {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--ink);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.comercio-descripcion {
  font-size: 0.875rem;
  color: #666;
  margin-bottom: 1rem;
  font-weight: 400;
}

.comercio-info {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink);
}

.comercio-info-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.badge {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-radius: var(--radius);
  white-space: nowrap;
}

.badge-abierto {
  background-color: var(--success);
  color: white;
  animation: pulse-subtle 2s infinite;
}

.badge-cerrado {
  background-color: var(--error);
  color: white;
}

@keyframes pulse-subtle {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.85; }
}

.estado-texto {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  text-align: right;
}

/* Vista detalle */
.vista-detalle {
  animation: slideIn 0.4s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.vista-detalle.hidden {
  display: none;
}

.btn-volver {
  background-color: transparent;
  border: none;
  color: var(--ink);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  margin-bottom: 2rem;
  transition: color var(--transition);
  padding: 0.5rem 0;
}

.btn-volver:hover {
  color: var(--accent);
}

.btn-volver:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

.detalle-contenido {
  background-color: var(--surface);
  padding: 2rem;
  border-radius: var(--radius);
}

.detalle-header {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
  align-items: flex-start;
}

.detalle-icono {
  width: 120px;
  height: 120px;
  min-width: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background-color: var(--bg);
  border-radius: var(--radius);
}

.detalle-info-principal {
  flex: 1;
}

.detalle-nombre {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--ink);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.detalle-categoria {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.detalle-estado {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.detalle-seccion {
  margin-bottom: 2rem;
}

.detalle-seccion-titulo {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.detalle-contacto {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.detalle-contacto-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.detalle-contacto-label {
  font-weight: 600;
  color: var(--muted);
  min-width: 80px;
}

.detalle-contacto-valor {
  color: var(--ink);
  font-weight: 500;
}

.detalle-horarios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.horario-dia {
  background-color: var(--bg);
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.horario-dia-nombre {
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.horario-dia-horas {
  font-size: 0.875rem;
  color: #666;
  font-weight: 500;
}

.horario-dia-cerrado {
  color: var(--error);
  font-weight: 600;
}

.horario-dia.hoy {
  background-color: #FFF9E6;
  border-color: var(--warning);
}

.detalle-acciones {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.btn {
  padding: 1rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--ink);
  color: white;
}

.btn-primary:hover {
  background-color: var(--accent);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

.btn-secondary {
  background-color: transparent;
  color: var(--ink);
  border: 2px solid var(--ink);
}

.btn-secondary:hover {
  background-color: var(--ink);
  color: white;
}

.btn-secondary:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Estados vacíos */
.estado-vacio {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--muted);
}

.estado-vacio-titulo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.estado-vacio-texto {
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

/* Ad slot */
.ad-slot {
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: 1rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Footer */
.footer-principal {
  background-color: var(--ink);
  color: white;
  padding: 2rem 1.5rem;
  margin-top: 4rem;
}

.footer-contenido {
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
}

.footer-texto {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  font-weight: 400;
}

.footer-copyright {
  font-size: 0.75rem;
  opacity: 0.7;
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* Responsive */
@media (max-width: 768px) {
  .comercio-card {
    padding: 1.5rem;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .comercio-icono {
    width: 60px;
    height: 60px;
    font-size: 2rem;
  }

  .comercio-info {
    justify-content: center;
  }

  .comercio-estado {
    align-items: center;
  }

  .detalle-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .detalle-nombre {
    font-size: 1.5rem;
  }

  .detalle-acciones {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .categorias-tabs {
    margin-bottom: 1rem;
  }

  .categoria-tab {
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
  }

  .toggle-seccion {
    gap: 1rem;
  }

  .nav-links {
    gap: 0.5rem;
  }
}

/* Accesibilidad */
:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

/* Reducir movimiento */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}