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

:root {
  --bg: #0a0a0b;
  --surface: #141416;
  --surface-hover: #1c1c20;
  --border: #2a2a2f;
  --border-hover: #4a4a55;
  --text: #e8e6e3;
  --text-muted: #8a8a8f;
  --accent: #c9a227;
  --accent-glow: rgba(201, 162, 39, 0.15);
  --vendido: #c03a1c;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Mono', monospace;
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0;
  line-height: 1.6;
}

/* === HEADER === */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(10, 10, 11, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-family: 'Fraunces', serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

#header-info {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* === ZONA FILTERS === */
nav#zona-filters {
  display: flex;
  gap: 0.6rem;
  padding: 1.2rem 2rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}

.zona-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.5rem 1.2rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 100px;
  transition: all 0.25s ease;
}

.zona-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

.zona-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

/* === MAIN GRID === */
main#catalogo {
  flex: 1;
  padding: 2rem;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.zona-section {
  margin-bottom: 3rem;
}

.zona-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.zona-cp {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.zona-ciudad,
.zona-nombre {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
}

.zona-count {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-left: auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

/* === CARDS === */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, var(--accent-glow), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
}

.card:hover {
  background: var(--surface-hover);
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.card:hover::before {
  opacity: 1;
}

.card-thumb {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.card-body {
  padding: 1.5rem;
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-tipo {
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.card-nombre {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.card-notas {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1rem;
  flex: 1;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-visit {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}

.card-visit .arrow {
  transition: transform 0.3s ease;
}

.card:hover .card-visit .arrow {
  transform: translateX(4px);
}

.card-fecha {
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* === VENDIDO === */
.card.vendido {
  pointer-events: none;
  opacity: 0.55;
}

.card.vendido .card-thumb {
  filter: grayscale(0.8);
}

.badge-vendido {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--vendido);
  color: white;
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: 4px;
  z-index: 2;
}

/* === EMPTY STATE === */
.empty {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* === FOOTER === */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.72rem;
  color: var(--text-muted);
  opacity: 0.6;
  border-top: 1px solid var(--border);
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

.footer-version {
  margin-left: 0.8rem;
  padding: 0.1rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* === HEADER USER === */
.header-user {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.72rem;
  color: var(--text-muted);
}

#header-user-name {
  letter-spacing: 0.05em;
}

.logout-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.35rem 0.9rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 100px;
  transition: all 0.2s ease;
}

.logout-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

/* === LOGIN SCREEN === */
.login-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  z-index: 200;
  padding: 1.5rem;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
}

.login-title {
  font-family: 'Fraunces', serif;
  font-weight: 800;
  font-size: 2rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-align: center;
}

.login-sub {
  text-align: center;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.4rem;
  margin-bottom: 1.6rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.login-label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.login-label input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.7rem 0.9rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.9rem;
  border-radius: 6px;
  transition: border-color 0.2s ease;
}

.login-label input:focus {
  outline: none;
  border-color: var(--accent);
}

#login-submit {
  background: var(--accent);
  color: var(--bg);
  border: 1px solid var(--accent);
  padding: 0.75rem 1rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 100px;
  cursor: pointer;
  margin-top: 0.4rem;
  transition: opacity 0.2s ease;
}

#login-submit:hover { opacity: 0.9; }
#login-submit:disabled { opacity: 0.5; cursor: wait; }

.login-error {
  color: var(--vendido);
  font-size: 0.78rem;
  text-align: center;
  margin-top: 0.4rem;
}

.login-hint {
  margin-top: 1.4rem;
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  opacity: 0.7;
}

/* === RESPONSIVE === */
@media (max-width: 640px) {
  header {
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
  }

  nav#zona-filters {
    padding: 0.8rem 1rem;
  }

  main#catalogo {
    padding: 1rem;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .zona-header {
    flex-wrap: wrap;
  }

  .zona-count {
    margin-left: 0;
    width: 100%;
  }
}