/* ============================================================
   main.css — Estilos globales
   Plataforma Barrio Semi Cerrado
   ============================================================ */

/* --- Fuentes --- */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Syne:wght@700;800&display=swap');

/* --- Variables CSS --- */
:root {
  /* Paleta principal */
  --verde: #2d7a4f;
  --verde-claro: #3a9960;
  --verde-suave: #e8f5ee;
  --verde-borde: #b8dfc8;
  --azul: #1a3a5c;
  --azul-claro: #2456a4;
  --amarillo: #f5a623;
  --rojo: #e53e3e;
  --rojo-suave: #fff5f5;

  /* Neutros */
  --blanco: #ffffff;
  --gris-50: #f9fafb;
  --gris-100: #f3f4f6;
  --gris-200: #e5e7eb;
  --gris-400: #9ca3af;
  --gris-600: #4b5563;
  --gris-800: #1f2937;
  --negro: #0d1117;

  /* Tipografía */
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-display: 'Syne', sans-serif;

  /* Sombras */
  --sombra-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --sombra-md: 0 4px 16px rgba(0,0,0,0.10);
  --sombra-lg: 0 10px 40px rgba(0,0,0,0.12);

  /* Bordes */
  --radio-sm: 8px;
  --radio-md: 12px;
  --radio-lg: 20px;
  --radio-xl: 32px;

  /* Transiciones */
  --trans: 0.2s ease;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--gris-800);
  background: var(--gris-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--verde);
  text-decoration: none;
  transition: color var(--trans);
}
a:hover { color: var(--verde-claro); }

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

ul { list-style: none; }

/* --- Tipografía --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--azul);
}

h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: 0.75rem; }

/* --- Layout principal --- */
.wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.wrapper--narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* --- Navbar --- */
.navbar {
  background: var(--azul);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.navbar__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--blanco);
  font-weight: 800;
}

.navbar__brand-icon {
  width: 36px;
  height: 36px;
  background: var(--verde);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

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

.navbar__menu a {
  color: rgba(255,255,255,0.8);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radio-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--trans);
}

.navbar__menu a:hover,
.navbar__menu a.active {
  color: var(--blanco);
  background: rgba(255,255,255,0.12);
}

.navbar__user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar__user-name {
  color: rgba(255,255,255,0.85);
  font-size: 0.875rem;
}

.navbar__hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--blanco);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* --- Botones --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radio-sm);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--trans);
  white-space: nowrap;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn--primario {
  background: var(--verde);
  color: var(--blanco);
  border-color: var(--verde);
}
.btn--primario:hover:not(:disabled) {
  background: var(--verde-claro);
  border-color: var(--verde-claro);
  color: var(--blanco);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(45,122,79,0.3);
}

.btn--secundario {
  background: transparent;
  color: var(--verde);
  border-color: var(--verde);
}
.btn--secundario:hover:not(:disabled) {
  background: var(--verde-suave);
}

.btn--peligro {
  background: var(--rojo);
  color: var(--blanco);
  border-color: var(--rojo);
}
.btn--peligro:hover:not(:disabled) {
  background: #c53030;
  border-color: #c53030;
  color: var(--blanco);
}

.btn--ghost {
  background: transparent;
  color: var(--gris-600);
  border-color: var(--gris-200);
}
.btn--ghost:hover:not(:disabled) {
  background: var(--gris-100);
  color: var(--gris-800);
}

.btn--sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
}

.btn--lg {
  padding: 0.85rem 2rem;
  font-size: 1rem;
  border-radius: var(--radio-md);
}

.btn--full { width: 100%; }

.btn--loading {
  position: relative;
  color: transparent !important;
}
.btn--loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Formularios --- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gris-800);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.95rem;
  border: 2px solid var(--gris-200);
  border-radius: var(--radio-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--gris-800);
  background: var(--blanco);
  transition: border-color var(--trans), box-shadow var(--trans);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--verde);
  box-shadow: 0 0 0 3px rgba(45,122,79,0.12);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: var(--rojo);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-error {
  font-size: 0.8rem;
  color: var(--rojo);
  margin-top: 0.3rem;
  display: none;
}
.form-error.visible { display: block; }

/* --- Cards --- */
.card {
  background: var(--blanco);
  border-radius: var(--radio-md);
  box-shadow: var(--sombra-sm);
  border: 1px solid var(--gris-200);
  overflow: hidden;
  transition: box-shadow var(--trans), transform var(--trans);
}

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

.card__header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--gris-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card__body {
  padding: 1.5rem;
}

.card__footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--gris-200);
  background: var(--gris-50);
}

/* --- Alertas --- */
.alerta {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radio-sm);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1rem;
  border: 1px solid;
}

.alerta--exito {
  background: #f0fdf4;
  border-color: #bbf7d0;
  color: #166534;
}

.alerta--error {
  background: #fff5f5;
  border-color: #fed7d7;
  color: #c53030;
}

.alerta--advertencia {
  background: #fffbeb;
  border-color: #fde68a;
  color: #92400e;
}

.alerta--info {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #1e40af;
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge--activo { background: #dcfce7; color: #15803d; }
.badge--pendiente { background: #fef9c3; color: #854d0e; }
.badge--vencido { background: #fee2e2; color: #b91c1c; }
.badge--pausado { background: var(--gris-100); color: var(--gris-600); }
.badge--admin { background: #ede9fe; color: #6d28d9; }

/* --- Loading overlay --- */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(4px);
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--gris-200);
  border-top-color: var(--verde);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* --- Modales --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13,17,23,0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  backdrop-filter: blur(4px);
}

.modal-overlay.visible {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--blanco);
  border-radius: var(--radio-lg);
  box-shadow: var(--sombra-lg);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.25s ease;
}

.modal-overlay.visible .modal {
  transform: translateY(0);
}

.modal__header {
  padding: 1.5rem 1.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--gris-200);
}

.modal__close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--gris-400);
  line-height: 1;
  padding: 0.2rem;
  border-radius: var(--radio-sm);
  transition: all var(--trans);
}
.modal__close:hover {
  background: var(--gris-100);
  color: var(--gris-800);
}

.modal__body {
  padding: 1.5rem 1.75rem;
}

.modal__footer {
  padding: 1rem 1.75rem 1.5rem;
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  border-top: 1px solid var(--gris-200);
}

/* --- Hero section (index) --- */
.hero {
  background: linear-gradient(135deg, var(--azul) 0%, #0f2a47 60%, var(--verde) 100%);
  padding: 5rem 1.25rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero__content {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
}

.hero h1 {
  color: var(--blanco);
  margin-bottom: 1rem;
}

.hero p {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Features grid (index) --- */
.features {
  padding: 4rem 1.25rem;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--blanco);
  border-radius: var(--radio-md);
  padding: 1.75rem;
  border: 1px solid var(--gris-200);
  transition: all var(--trans);
}

.feature-card:hover {
  border-color: var(--verde-borde);
  transform: translateY(-3px);
  box-shadow: var(--sombra-md);
}

.feature-card__icon {
  width: 52px;
  height: 52px;
  background: var(--verde-suave);
  border-radius: var(--radio-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.feature-card p {
  color: var(--gris-600);
  font-size: 0.875rem;
  margin: 0;
}

/* --- Sección noticias index --- */
.noticias-preview {
  padding: 3rem 1.25rem;
  background: var(--blanco);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.noticias-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.noticia-card {
  background: var(--blanco);
  border-radius: var(--radio-md);
  border: 1px solid var(--gris-200);
  overflow: hidden;
  transition: all var(--trans);
}

.noticia-card:hover {
  box-shadow: var(--sombra-md);
  transform: translateY(-2px);
}

.noticia-card__img {
  height: 180px;
  background: var(--gris-100);
  object-fit: cover;
  width: 100%;
}

.noticia-card__img-placeholder {
  height: 180px;
  background: linear-gradient(135deg, var(--verde-suave), var(--gris-100));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.noticia-card__body {
  padding: 1.25rem;
}

.noticia-card__fecha {
  font-size: 0.78rem;
  color: var(--gris-400);
  margin-bottom: 0.5rem;
}

.noticia-card__titulo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--azul);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.noticia-card__extracto {
  font-size: 0.85rem;
  color: var(--gris-600);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- Anuncios grid --- */
.anuncio-card {
  background: var(--blanco);
  border-radius: var(--radio-md);
  border: 1px solid var(--gris-200);
  overflow: hidden;
  transition: all var(--trans);
  display: flex;
  flex-direction: column;
}

.anuncio-card:hover {
  box-shadow: var(--sombra-md);
  transform: translateY(-2px);
}

.anuncio-card__img {
  height: 160px;
  background: var(--verde-suave);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  object-fit: cover;
  width: 100%;
}

.anuncio-card__body {
  padding: 1.1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.anuncio-card__categoria {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--verde);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.anuncio-card__titulo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--azul);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.anuncio-card__desc {
  font-size: 0.85rem;
  color: var(--gris-600);
  margin-bottom: 0.85rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.anuncio-card__contacto {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-top: auto;
}

.anuncio-card__contacto a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--gris-600);
  padding: 0.3rem 0.6rem;
  border-radius: var(--radio-sm);
  border: 1px solid var(--gris-200);
  transition: all var(--trans);
}

.anuncio-card__contacto a:hover {
  background: var(--verde-suave);
  border-color: var(--verde-borde);
  color: var(--verde);
}

/* --- Tabla admin --- */
.tabla-wrapper {
  overflow-x: auto;
  border-radius: var(--radio-md);
  border: 1px solid var(--gris-200);
}

.tabla {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.tabla th {
  background: var(--gris-50);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--gris-600);
  border-bottom: 1px solid var(--gris-200);
  white-space: nowrap;
}

.tabla td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--gris-100);
  vertical-align: middle;
}

.tabla tr:last-child td { border-bottom: none; }

.tabla tr:hover td { background: var(--gris-50); }

/* --- Stats cards --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.stat-card {
  background: var(--blanco);
  border-radius: var(--radio-md);
  padding: 1.5rem;
  border: 1px solid var(--gris-200);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat-card__label {
  font-size: 0.8rem;
  color: var(--gris-600);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-card__valor {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--azul);
  line-height: 1;
}

.stat-card__sub {
  font-size: 0.8rem;
  color: var(--gris-400);
}

/* --- Footer --- */
.footer {
  background: var(--azul);
  color: rgba(255,255,255,0.7);
  padding: 2.5rem 1.25rem;
  text-align: center;
  margin-top: auto;
}

.footer a {
  color: rgba(255,255,255,0.7);
}
.footer a:hover { color: var(--blanco); }

/* --- Toast notifications --- */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9998;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--gris-800);
  color: var(--blanco);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radio-md);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--sombra-lg);
  max-width: 340px;
  animation: slideInRight 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toast--exito { background: var(--verde); }
.toast--error { background: var(--rojo); }
.toast--advertencia { background: var(--amarillo); color: var(--gris-800); }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* --- Vencimiento warning --- */
.vencimiento-warn {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radio-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: #92400e;
}

/* --- Empty state --- */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--gris-400);
}

.empty-state__icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

.empty-state h3 {
  color: var(--gris-600);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.empty-state p {
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

/* --- Filtros --- */
.filtros {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.filtro-btn {
  padding: 0.4rem 1rem;
  border-radius: 100px;
  border: 2px solid var(--gris-200);
  background: var(--blanco);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--trans);
  color: var(--gris-600);
  font-family: var(--font-body);
}

.filtro-btn:hover {
  border-color: var(--verde);
  color: var(--verde);
}

.filtro-btn.activo {
  background: var(--verde);
  border-color: var(--verde);
  color: var(--blanco);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .navbar__menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--azul);
    flex-direction: column;
    padding: 1rem 1.25rem;
    gap: 0.25rem;
    display: none;
    border-top: 1px solid rgba(255,255,255,0.1);
    z-index: 99;
  }

  .navbar__menu.open {
    display: flex;
  }

  .navbar__menu a {
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
  }

  .navbar__hamburger {
    display: flex;
  }

  .navbar__user-name {
    display: none;
  }

  .modal {
    max-height: 95vh;
    border-radius: var(--radio-md);
  }

  .modal__footer {
    flex-direction: column;
  }

  .toast-container {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }

  .toast {
    max-width: 100%;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

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