/* ========== Pañales Adultos Solidarios — Diseño cálido y espacioso ========== */

:root {
  /* Colores — paleta suave y solidaria */
  --azul: #1d4ed8;
  --azul-suave: #3b82f6;
  --azul-claro: #eff6ff;
  --teal: #0f766e;
  --teal-suave: #14b8a6;
  --fondo: #fbfdfe;
  --superficie: #ffffff;
  --texto: #0f172a;
  --texto-sec: #475569;
  --texto-suave: #94a3b8;
  --borde: #e2e8f0;
  --borde-suave: #f1f5f9;
  --sombra: 0 1px 3px 0 rgb(0 0 0 / 0.05), 0 1px 2px -1px rgb(0 0 0 / 0.05);
  --sombra-suave: 0 1px 2px 0 rgb(0 0 0 / 0.03);
  --radio: 10px;
  --radio-grande: 16px;
  --transicion: all 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--fondo);
  color: var(--texto);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }

/* ========== Contenedor principal ========== */
.contenedor {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ========== Toolbar (más ligero, menos pegajoso) ========== */
.toolbar {
  background: var(--superficie);
  border-bottom: 1px solid var(--borde);
  position: sticky;
  top: 0;
  z-index: 100;
}

.toolbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.toolbar-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--azul);
  letter-spacing: -0.01em;
}

.logo-icon {
  width: 30px;
  height: 30px;
  background: var(--azul-claro);
  color: var(--azul);
  border-radius: 7px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.toolbar-links {
  display: flex;
  gap: 1.6rem;
  align-items: center;
  flex-wrap: wrap;
}

.toolbar-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--texto-sec);
  padding: 0.4rem 0;
  transition: var(--transicion);
}

.toolbar-links a:hover { color: var(--azul); }

.toolbar-actions {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transicion);
  background: none;
  color: inherit;
}

.btn-primary {
  background: var(--azul);
  color: #fff;
  border-color: var(--azul);
  box-shadow: var(--sombra-suave);
}

.btn-primary:hover {
  background: #1c46c2;
  transform: translateY(-1px);
}

.btn-ghost {
  border: 1px solid var(--borde);
  color: var(--texto-sec);
  background: var(--superficie);
}

.btn-ghost:hover {
  border-color: var(--texto-sec);
  color: var(--texto);
}

/* ========== Hero (más aire, menos gradiente agresivo) ========== */
.hero {
  background: linear-gradient(160deg, #ffffff 0%, #f0f7ff 100%);
  border-bottom: 1px solid var(--borde);
  padding: 4.5rem 1rem 3.5rem;
  text-align: center;
  margin-bottom: 3rem;
}

.hero h1 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--texto);
  margin-bottom: 1rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.05rem;
  color: var(--texto-sec);
  max-width: 640px;
  margin: 0 auto 1.75rem;
  line-height: 1.7;
}

.estadisticas {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
  padding: 0 1rem;
}

.estadistica .numero {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--azul);
}

.estadistica .etiqueta {
  font-size: 0.8rem;
  color: var(--texto-suave);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.25rem;
}

/* ========== Secciones ========== */
.seccion-titulo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--texto);
  margin: 0 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  letter-spacing: -0.01em;
}

/* ========== Filtros ========== */
.filtros {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 2.5rem;
  padding: 0 1rem;
}

.filtro-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filtro-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--texto-suave);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

select, input, textarea {
  font: inherit;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--borde);
  border-radius: 8px;
  background: var(--superficie);
  color: var(--texto);
  transition: var(--transicion);
  font-size: 0.92rem;
}

select:focus, input:focus, textarea:focus {
  outline: none;
  border-color: var(--azul-suave);
  box-shadow: 0 0 0 3px rgba(30, 78, 216, 0.08);
}

/* ========== Lista de anuncios ========== */
.grid-anuncios {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 0 1rem 4rem;
}

.tarjeta {
  background: var(--superficie);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 1.5rem;
  box-shadow: var(--sombra);
  transition: var(--transicion);
  display: flex;
  flex-direction: column;
}

.tarjeta:hover {
  border-color: var(--azul-suave);
  box-shadow: 0 4px 12px -2px rgb(0 0 0 / 0.06);
  transform: translateY(-2px);
}

.tarjeta-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.9rem;
}

.tarjeta-titulo {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--texto);
}

.etiqueta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.etiqueta-dono { background: #dcfce7; color: #15803d; }
.etiqueta-regalo { background: #dbeafe; color: #1d4ed8; }

.tarjeta-info {
  font-size: 0.9rem;
  color: var(--texto-sec);
  margin-bottom: 1rem;
}

.tarjeta-info span { display: block; margin-bottom: 0.35rem; }

.tarjeta-datos {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--borde-suave);
  font-size: 0.85rem;
  color: var(--texto-sec);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.tarjeta-datos b { color: var(--texto); }

.tarjeta-acciones {
  margin-top: 1.1rem;
  display: flex;
  gap: 0.5rem;
}

.tarjeta-acciones .btn {
  flex: 1;
  padding: 0.5rem 0;
  font-size: 0.82rem;
  border-width: 1px;
}

.vacio {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 1rem;
  color: var(--texto-sec);
}

.vacio p { font-size: 1.05rem; margin-bottom: 0.5rem; opacity: 0.8; }

/* ========== Formularios (más aire) ========== */
.form-contenedor {
  max-width: 560px;
  margin: 0 auto 4rem;
  padding: 0 1rem;
}

.form-contenedor h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--texto);
  text-align: center;
  margin-bottom: 0.25rem;
}

.form-contenedor > p {
  text-align: center;
  color: var(--texto-sec);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

form {
  background: var(--superficie);
  border: 1px solid var(--borde);
  border-radius: var(--radio-grande);
  padding: 2rem;
  box-shadow: var(--sombra);
  display: grid;
  gap: 1.15rem;
}

.campo { display: flex; flex-direction: column; gap: 0.45rem; }

.campo label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--texto-sec);
}

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

.campo textarea {
  resize: vertical;
  min-height: 100px;
  font-family: inherit;
}

.campo-ayuda {
  font-size: 0.78rem;
  color: var(--texto-suave);
  margin-top: 0.2rem;
}

.acciones-form {
  display: flex;
  gap: 0.7rem;
  margin-top: 0.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--borde-suave);
}

.btn-cancelar {
  flex: 1;
  padding: 0.6rem 1rem;
  border: 1px solid var(--borde);
  border-radius: 8px;
  background: var(--superficie);
  color: var(--texto-sec);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transicion);
}

.btn-cancelar:hover { background: #f8fafc; border-color: var(--texto-sec); }

.btn-enviar {
  flex: 1.4;
  padding: 0.6rem 1rem;
  background: var(--teal);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transicion);
  box-shadow: var(--sombra-suave);
}

.btn-enviar:hover { background: #0d6e61; }

/* Alertas */
.alerta {
  padding: 0.85rem 1rem;
  border-radius: 8px;
  font-size: 0.88rem;
  margin-bottom: 1rem;
  display: none;
  border: 1px solid transparent;
}

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

.alerta.error {
  background: #fef2f2;
  color: #991b1b;
  border-color: #fecaca;
}

/* ========== Perfil / Panel ========== */
.panel-tarjeta {
  background: var(--superficie);
  border: 1px solid var(--borde);
  border-radius: var(--radio-grande);
  padding: 2rem;
  box-shadow: var(--sombra);
  margin-bottom: 2.5rem;
  text-align: center;
}

.panel-avatar {
  font-size: 3rem;
  margin-bottom: 0.85rem;
  display: block;
}

.panel-nombre {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--texto);
  margin-bottom: 0.25rem;
}

.panel-email {
  font-size: 0.92rem;
  color: var(--texto-sec);
  margin-bottom: 1.25rem;
}

.panel-acciones {
  display: flex;
  gap: 0.7rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== Footer ========== */
footer {
  background: var(--superficie);
  border-top: 1px solid var(--borde);
  padding: 3.5rem 1rem 2rem;
  margin-top: 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--azul);
  margin-bottom: 0.85rem;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--texto);
  margin-bottom: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-col p, .footer-col li {
  font-size: 0.88rem;
  color: var(--texto-sec);
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.copyright {
  text-align: center;
  font-size: 0.82rem;
  color: var(--texto-suave);
  border-top: 1px solid var(--borde);
  padding-top: 1.75rem;
}

/* ========== Responsive ========== */
@media (max-width: 640px) {
  .hero h1 { font-size: 1.7rem; }
  .campo-filas { grid-template-columns: 1fr; }
  .toolbar-inner { flex-direction: column; align-items: stretch; padding: 1rem 1.5rem; gap: 1rem; }
  .toolbar-links, .toolbar-actions { width: 100%; justify-content: center; }
  .estadisticas { gap: 1.5rem; }
  form { padding: 1.5rem; }
  .panel-tarjeta { padding: 1.5rem; }
}