:root {
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --secondary: #ec4899;
  --accent: #10b981;
  --bg: #f8fafc;
  --fg: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --card-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(255, 255, 255, 0.3);
  --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius: 12px;
}

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

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

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  background-image: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(236, 72, 153, 0.05) 0px, transparent 50%);
  color: var(--fg);
  line-height: 1.5;
  min-height: 100vh;
}

a { text-decoration: none; color: inherit; transition: all 0.2s ease; }

/* NAVBAR */
nav {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  animation: slideDown 0.5s ease;
}

@keyframes slideDown {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--primary);
}

.btn-nav {
  background: var(--primary);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: var(--radius);
  box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.2);
}

.btn-nav:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.3);
}

/* MAIN */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  animation: fadeIn 0.8s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* CARDS */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--card-bg);
  backdrop-filter: blur(4px);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  border-color: var(--primary);
}

.card-img {
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: #eef2ff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover .card-img img {
  transform: scale(1.1);
}

.card-body {
  padding: 1.5rem;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-precio {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--fg);
}

.card-precio span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--muted);
}

.card-titulo {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 0.5rem;
  color: var(--fg);
}

.card-barrio {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
}

.card-meta span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* AFINIDAD BADGE IN CARD */
.afinidad-tag-card {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: 4px;
  box-shadow: var(--shadow);
  z-index: 10;
  border: 1px solid var(--border);
}

.afinidad-tag-card.high {
  background: rgba(16, 185, 129, 0.9);
  color: white;
  border: none;
}

/* FORMS */
.form-box {
  background: #fff;
  border-radius: 24px;
  padding: 3rem;
  max-width: 600px;
  margin: 2rem auto;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.form-box h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  text-align: center;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: #f1f5f9;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.btn {
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

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

/* FILTROS */
.filtros {
  background: #fff;
  padding: 1.5rem;
  border-radius: 24px;
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 3rem;
  box-shadow: var(--shadow);
}

.filtros input, .filtros select {
  flex: 1;
  min-width: 0; /* permite que los inputs numéricos se encojan en pantallas angostas */
  background: #f1f5f9;
  border: none;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
}

/* DETALLE PAGE */
.detalle-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2.5rem;
}

.detalle-gallery {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 200px 200px;
  gap: 10px;
  border-radius: 24px;
  overflow: hidden;
}

.detalle-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-principal {
  grid-row: span 2;
}

.info-card {
  background: #fff;
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: var(--shadow);
}

/* STATS Y TAGS (detalle de propiedad) */
.stats {
  display: flex;
  gap: 1rem;
}

.stat {
  flex: 1;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem;
  text-align: center;
}

.stat-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 500;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--fg);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .detalle-container { grid-template-columns: 1fr; }
  .filtros { flex-direction: column; align-items: stretch; }
  .info-card { position: static !important; }
}

@media (max-width: 600px) {
  /* Navbar compacta: todo en una línea sin desbordes */
  .nav-inner {
    padding: 0 0.75rem;
    height: 60px;
    gap: 0.5rem;
  }
  .nav-logo { font-size: 1.05rem; flex-shrink: 0; }
  .nav-links { gap: 0.5rem; flex-wrap: nowrap; }
  .nav-links a:not(.btn-nav) { display: none; }
  .nav-links a#navLogin { display: inline-block; } /* Ingresar siempre visible si no hay sesión */
  .btn-nav {
    padding: 7px 10px;
    font-size: 0.8rem;
    white-space: nowrap;
    box-shadow: none;
  }
  /* En el botón de sesión solo se muestra "| Salir", no el saludo */
  #navLogout span:first-child { display: none; }
  #navLogout { white-space: nowrap; }

  .hero { padding: 2.5rem 0.5rem 3.5rem !important; }
  .hero p { font-size: 1.05rem !important; }

  main { padding: 1.5rem 1rem; }
  .grid { gap: 1.25rem; }
  .form-box { padding: 1.5rem; }
  .info-card { padding: 1.5rem; }

  /* Detalle: título y precio más contenidos */
  .detalle-container h1 { font-size: 1.6rem !important; }
  .stats { gap: 0.5rem; }
  .stat { padding: 0.75rem 0.5rem; }
  .stat-num { font-size: 1.3rem; }

  /* Galería en columna: foto principal + secundarias, sin placeholders vacíos */
  .detalle-gallery {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 180px 100px;
  }
  .img-principal { grid-column: span 2; grid-row: 1; }
  .detalle-gallery div { display: none; }
  .detalle-gallery img:not(.img-principal):nth-of-type(2) ~ img { display: none; }
}