:root {
    --color-negro: #111111;
    --color-blanco: #ffffff;
    --color-gris-oscuro: #2b2b2b;
    --color-gris-claro: #f2f2f2;
    --color-acento: #c9a227; /* configurable */
}

* { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--color-gris-claro);
    color: var(--color-negro);
    margin: 0;
}

.auth-container {
    max-width: 420px;
    margin: 60px auto;
    background: var(--color-blanco);
    padding: 32px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.auth-container h1 {
    margin-top: 0;
    font-size: 1.5rem;
}

.auth-container label {
    display: block;
    margin-top: 16px;
    margin-bottom: 4px;
    font-weight: 600;
    font-size: 0.9rem;
}

.auth-container input[type="text"],
.auth-container input[type="email"],
.auth-container input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}

.auth-container fieldset {
    margin-top: 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.auth-container button {
    margin-top: 24px;
    width: 100%;
    padding: 12px;
    background: var(--color-negro);
    color: var(--color-blanco);
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
}

.auth-container button:hover {
    background: var(--color-acento);
}

.alert {
    padding: 10px 14px;
    border-radius: 4px;
    font-size: 0.9rem;
}

.alert-error {
    background: #fdecea;
    color: #b3261e;
}

.alert-success {
    background: #eaf7ea;
    color: #1e6b1e;
}

/* ===================== Layout general ===================== */
a { color: inherit; text-decoration: none; }
.contenedor { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===================== Header ===================== */
.site-header {
    background: var(--color-negro);
    color: var(--color-blanco);
}
.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo { font-size: 1.3rem; font-weight: 700; color: var(--color-blanco); }
.logo span { color: var(--color-acento); }
.main-nav { display: flex; gap: 20px; align-items: center; }
.main-nav a { color: var(--color-blanco); font-size: 0.95rem; }
.main-nav a:hover { color: var(--color-acento); }
.nav-cta {
    background: var(--color-acento);
    color: var(--color-negro) !important;
    padding: 8px 16px;
    border-radius: 4px;
}
.nav-toggle { display: none; background: none; border: none; color: var(--color-blanco); font-size: 1.5rem; }

@media (max-width: 900px) {
    .nav-toggle { display: block; }
    .main-nav {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        padding-top: 12px;
        gap: 12px;
    }
    .main-nav.open { display: flex; }
    .header-inner { flex-wrap: wrap; }
}

/* ===================== Buscador ===================== */
.hero-buscador {
    background: linear-gradient(135deg, var(--color-negro), var(--color-gris-oscuro));
    color: var(--color-blanco);
    padding: 48px 20px;
}
.hero-buscador h1 {
    max-width: 1200px;
    margin: 0 auto 24px;
    font-size: 2rem;
}
.buscador-form { max-width: 1200px; margin: 0 auto; background: var(--color-blanco); padding: 20px; border-radius: 8px; }
.buscador-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    color: var(--color-negro);
}
.campo label { display: block; font-size: 0.8rem; font-weight: 600; margin-bottom: 4px; }
.campo select, .campo input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
.btn-buscar {
    margin-top: 16px;
    width: 100%;
    padding: 14px;
    background: var(--color-acento);
    color: var(--color-negro);
    border: none;
    border-radius: 4px;
    font-weight: 700;
    letter-spacing: 0.03em;
    cursor: pointer;
}

/* ===================== Grid de vehículos / tarjetas ===================== */
.grid-vehiculos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    padding: 32px 20px;
    max-width: 1200px;
    margin: 0 auto;
}
.card-vehiculo {
    background: var(--color-blanco);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.15s;
}
.card-vehiculo:hover { transform: translateY(-3px); }
.card-vehiculo-img { position: relative; display: block; aspect-ratio: 4/3; background: #eee; }
.card-vehiculo-img img { width: 100%; height: 100%; object-fit: cover; }
.badge {
    position: absolute;
    top: 8px;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-blanco);
}
.badge-destacado { left: 8px; background: var(--color-acento); color: var(--color-negro); }
.badge-dgt { right: 8px; background: #2e7d32; }
.card-vehiculo-body { padding: 14px; }
.card-vehiculo-body h3 { margin: 0 0 4px; font-size: 1.05rem; }
.card-vehiculo-version { color: #666; font-size: 0.85rem; margin: 0 0 8px; }
.card-vehiculo-specs { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0 0 8px; font-size: 0.8rem; color: #444; }
.card-vehiculo-specs li::after { content: '·'; margin-left: 8px; color: #ccc; }
.card-vehiculo-specs li:last-child::after { content: ''; }
.card-vehiculo-ubicacion { font-size: 0.8rem; color: #888; margin: 0 0 10px; }
.card-vehiculo-footer { display: flex; align-items: center; justify-content: space-between; }
.precio { font-size: 1.15rem; font-weight: 700; }
.card-vehiculo-actions { display: flex; gap: 6px; }
.btn-icon { background: none; border: 1px solid #ddd; border-radius: 4px; padding: 4px 8px; cursor: pointer; font-size: 0.85rem; }
.btn-icon.activo { background: var(--color-acento); border-color: var(--color-acento); }

/* ===================== Catálogo ===================== */
.catalogo { max-width: 1200px; margin: 0 auto; padding: 24px 20px; display: grid; grid-template-columns: 280px 1fr; gap: 24px; }
.catalogo-filtros .buscador-form { padding: 0; box-shadow: none; }
.catalogo-filtros .buscador-grid { grid-template-columns: 1fr; }
.catalogo-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.catalogo-resultados .grid-vehiculos { padding: 0; }
.paginacion { display: flex; gap: 8px; justify-content: center; margin-top: 24px; }
.paginacion a { padding: 6px 12px; border: 1px solid #ddd; border-radius: 4px; }
.paginacion a.activa { background: var(--color-negro); color: var(--color-blanco); }
.sin-resultados { grid-column: 1 / -1; text-align: center; color: #666; padding: 40px 0; }

@media (max-width: 800px) {
    .catalogo { grid-template-columns: 1fr; }
}

/* ===================== Ficha de vehículo ===================== */
.breadcrumbs { padding: 16px 0; font-size: 0.85rem; color: #888; }
.ficha-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; }
.galeria-principal { width: 100%; border-radius: 8px; aspect-ratio: 4/3; object-fit: cover; }
.galeria-miniaturas { display: flex; gap: 8px; margin-top: 8px; overflow-x: auto; }
.miniatura { width: 70px; height: 52px; object-fit: cover; border-radius: 4px; cursor: pointer; opacity: 0.7; }
.miniatura:hover { opacity: 1; }
.ficha-precio { font-size: 1.8rem; font-weight: 700; margin: 8px 0; }
.precio-financiado { display: block; font-size: 0.85rem; font-weight: 400; color: #666; }
.ficha-specs { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 16px 0; }
.ficha-acciones { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.btn { padding: 12px 18px; border-radius: 4px; font-weight: 700; font-size: 0.85rem; border: none; cursor: pointer; }
.btn-primario { background: var(--color-negro); color: var(--color-blanco); }
.btn-secundario { background: var(--color-gris-claro); color: var(--color-negro); border: 1px solid #ddd; }
.btn-whatsapp { background: #25D366; color: var(--color-blanco); }
.ficha-descripcion, .ficha-equipamiento, .ficha-contacto { margin-top: 32px; }
.lista-equipamiento { columns: 2; list-style: disc; padding-left: 20px; }
.ficha-contacto form { max-width: 500px; display: flex; flex-direction: column; gap: 10px; }
.ficha-contacto label { font-weight: 600; font-size: 0.85rem; }
.ficha-contacto input, .ficha-contacto textarea { padding: 10px; border: 1px solid #ccc; border-radius: 4px; font-family: inherit; }
#contactoRespuesta.ok { color: #1e6b1e; }
#contactoRespuesta.error { color: #b3261e; }

@media (max-width: 800px) {
    .ficha-grid { grid-template-columns: 1fr; }
    .lista-equipamiento { columns: 1; }
}

/* ===================== Footer ===================== */
.site-footer { background: var(--color-gris-oscuro); color: #ccc; margin-top: 40px; }
.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    font-size: 0.85rem;
}
.footer-inner a { display: block; color: #ccc; margin-bottom: 6px; }

/* ===================== Otros ===================== */
.destacados, .cta-doble { max-width: 1200px; margin: 0 auto; padding: 0 20px 32px; }
.destacados h2 { margin-bottom: 16px; }
.cta-doble { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.cta-card { background: var(--color-gris-claro); border-radius: 8px; padding: 24px; }
.cta-card:hover { background: #e8e8e8; }
@media (max-width: 700px) { .cta-doble { grid-template-columns: 1fr; } }

/* ===================== Publicar vehículo ===================== */
.publicar-vehiculo { padding: 32px 20px; }
.form-publicar { max-width: 900px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 16px; }
.form-publicar .campo label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 4px; }
.form-publicar .campo select,
.form-publicar .campo input,
.form-publicar .campo textarea {
    width: 100%;
    padding: 9px 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: inherit;
}
.campo-ancho { margin-bottom: 16px; }
.ayuda { font-size: 0.8rem; color: #777; margin-top: 8px; }

.galeria-subida {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 16px 0;
}
.miniatura-subida {
    position: relative;
    width: 140px;
    height: 100px;
    border-radius: 6px;
    overflow: hidden;
    cursor: grab;
    border: 2px solid transparent;
}
.miniatura-subida img { width: 100%; height: 100%; object-fit: cover; }
.miniatura-subida:first-child { border-color: var(--color-acento); }
.etiqueta-principal {
    position: absolute; top: 4px; left: 4px;
    background: var(--color-acento); color: var(--color-negro);
    font-size: 0.65rem; font-weight: 700; padding: 2px 6px; border-radius: 3px;
}
.btn-borrar-miniatura {
    position: absolute; top: 4px; right: 4px;
    background: rgba(0,0,0,0.6); color: #fff; border: none;
    width: 22px; height: 22px; border-radius: 50%; cursor: pointer;
}

/* ===================== Mis vehículos ===================== */
.mis-vehiculos { padding: 32px 20px; }
.mis-vehiculos-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.tabla-mis-vehiculos { width: 100%; border-collapse: collapse; }
.tabla-mis-vehiculos th, .tabla-mis-vehiculos td {
    text-align: left; padding: 10px 12px; border-bottom: 1px solid #eee; font-size: 0.9rem;
}
.miniatura-tabla { width: 70px; height: 50px; object-fit: cover; border-radius: 4px; }
.texto-secundario { color: #888; font-size: 0.8rem; }
.estado-badge { padding: 3px 8px; border-radius: 3px; font-size: 0.75rem; font-weight: 600; }
.estado-activo { background: #eaf7ea; color: #1e6b1e; }
.estado-pendiente { background: #fff6e0; color: #8a6d00; }
.estado-reservado { background: #e5eefc; color: #1a4b8c; }
.estado-vendido { background: #eee; color: #555; }
.estado-pausado { background: #fdecea; color: #b3261e; }

/* ===================== Panel de concesionario ===================== */
.panel-concesionario {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 32px;
    padding: 32px 20px;
    align-items: start;
}
.panel-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: var(--color-blanco);
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}
.panel-nav a {
    padding: 10px 12px;
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--color-negro);
}
.panel-nav a:hover { background: var(--color-gris-claro); }
.panel-nav a.activo { background: var(--color-negro); color: var(--color-blanco); }

.panel-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin: 20px 0;
}
.stat-card {
    background: var(--color-blanco);
    border-radius: 8px;
    padding: 18px;
    text-align: center;
    box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}
.stat-valor { display: block; font-size: 1.8rem; font-weight: 700; }
.stat-label { display: block; font-size: 0.8rem; color: #777; margin-top: 4px; }
.panel-accesos-rapidos { display: flex; gap: 12px; margin-top: 20px; }

.acciones-vehiculo { display: flex; gap: 10px; align-items: center; }
.btn-link { background: none; border: none; color: #1a4b8c; cursor: pointer; font-size: 0.85rem; padding: 0; text-decoration: underline; }

.filtro-estados { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.filtro-estados a { padding: 6px 12px; border: 1px solid #ddd; border-radius: 20px; font-size: 0.8rem; }
.filtro-estados a.activo { background: var(--color-negro); color: var(--color-blanco); border-color: var(--color-negro); }

.lista-solicitudes { display: flex; flex-direction: column; gap: 12px; }
.solicitud-card {
    background: var(--color-blanco);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    box-shadow: 0 1px 6px rgba(0,0,0,0.06);
    flex-wrap: wrap;
}
.solicitud-vehiculo { margin: 6px 0; font-size: 0.9rem; }
.solicitud-mensaje { font-size: 0.85rem; color: #444; background: var(--color-gris-claro); padding: 8px 10px; border-radius: 4px; }
.select-estado-solicitud { padding: 8px 10px; border-radius: 4px; border: 1px solid #ccc; }

@media (max-width: 800px) {
    .panel-concesionario { grid-template-columns: 1fr; }
    .panel-nav { flex-direction: row; overflow-x: auto; }
}