/**
 * CAMBA PARAGUAY - Estilos Principales
 * https://camba.com.py
 */

/* ============================================================
   VARIABLES
   ============================================================ */
:root {
    --camba-primary: #1a5276;
    --camba-primary-dark: #0e3a57;
    --camba-primary-light: #2980b9;
    --camba-accent: #e67e22;
    --camba-accent-dark: #d35400;
    --camba-success: #27ae60;
    --camba-danger: #c0392b;
    --camba-warning: #f39c12;
    --camba-info: #2980b9;
    --camba-bg: #f0f2f5;
    --camba-card: #ffffff;
    --camba-text: #2c3e50;
    --camba-text-muted: #7f8c8d;
    --camba-border: #dee2e6;
    --camba-radius: 10px;
    --camba-shadow: 0 2px 12px rgba(0,0,0,0.06);
    --camba-shadow-hover: 0 6px 20px rgba(0,0,0,0.10);
    --camba-transition: all 0.25s ease;
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Nunito', sans-serif;
}

/* ============================================================
   BASE
   ============================================================ */
body {
    font-family: var(--font-body);
    background-color: var(--camba-bg);
    color: var(--camba-text);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .heading {
    font-family: var(--font-heading);
    font-weight: 600;
}

a {
    color: var(--camba-primary-light);
    text-decoration: none;
    transition: var(--camba-transition);
}
a:hover {
    color: var(--camba-primary);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.camba-navbar {
    background: var(--camba-primary);
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    padding: 0.6rem 0;
}

.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--camba-accent);
    color: #fff;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
}

.brand-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.4rem;
    color: #fff !important;
    letter-spacing: 0.5px;
}

.search-input {
    border-radius: 20px 0 0 20px !important;
    border: none;
    padding: 0.5rem 1rem;
    background: rgba(255,255,255,0.15);
    color: #fff;
}
.search-input::placeholder {
    color: rgba(255,255,255,0.6);
}
.search-input:focus {
    background: #fff;
    color: var(--camba-text);
    box-shadow: none;
}

.btn-search {
    border-radius: 0 20px 20px 0 !important;
    background: var(--camba-accent);
    color: #fff;
    border: none;
    padding: 0.5rem 1rem;
}
.btn-search:hover {
    background: var(--camba-accent-dark);
    color: #fff;
}

.btn-publish {
    background: var(--camba-accent);
    color: #fff !important;
    border-radius: 20px;
    padding: 0.45rem 1.2rem;
    font-weight: 700;
    border: none;
    transition: var(--camba-transition);
}
.btn-publish:hover {
    background: var(--camba-accent-dark);
    transform: translateY(-1px);
}

.btn-google-login {
    background: #fff;
    color: var(--camba-text) !important;
    border-radius: 20px;
    padding: 0.45rem 1.2rem;
    font-weight: 600;
    border: none;
}
.btn-google-login:hover {
    background: #f8f9fa;
}

/* ============================================================
   HERO
   ============================================================ */
.camba-hero {
    background: linear-gradient(135deg, var(--camba-primary) 0%, var(--camba-primary-dark) 50%, #0c2d42 100%);
    color: #fff;
    padding: 3rem 0 3.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.camba-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 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='0.03'%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");
}
.camba-hero h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    position: relative;
}
.camba-hero p {
    font-size: 1.1rem;
    opacity: 0.9;
    position: relative;
}
.hero-search {
    max-width: 600px;
    margin: 1.5rem auto 0;
    position: relative;
}
.hero-search .form-control {
    border-radius: 25px;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}
.hero-search .btn {
    position: absolute;
    right: 5px;
    top: 5px;
    border-radius: 20px;
    padding: 0.55rem 1.5rem;
    background: var(--camba-accent);
    color: #fff;
    border: none;
    font-weight: 700;
}

/* ============================================================
   CATEGORÍAS
   ============================================================ */
.category-card {
    text-align: center;
    padding: 1.2rem 0.5rem;
    border-radius: var(--camba-radius);
    background: var(--camba-card);
    box-shadow: var(--camba-shadow);
    transition: var(--camba-transition);
    text-decoration: none;
    display: block;
}
.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--camba-shadow-hover);
}
.category-card i {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
}
.category-card .cat-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--camba-text);
}
.category-card .cat-count {
    font-size: 0.72rem;
    color: var(--camba-text-muted);
}

/* ============================================================
   TARJETAS DE PUBLICACIONES (Post Cards)
   ============================================================ */
.post-card {
    border: none;
    border-radius: var(--camba-radius);
    overflow: hidden;
    box-shadow: var(--camba-shadow);
    transition: var(--camba-transition);
    background: var(--camba-card);
    height: 100%;
}
.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--camba-shadow-hover);
}
.post-card .card-img-top {
    height: 200px;
    object-fit: cover;
}
.post-card .card-body {
    padding: 1rem;
}
.post-card .post-title {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--camba-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0.4rem;
    line-height: 1.3;
}
.post-card .post-title a {
    color: inherit;
}
.post-card .post-title a:hover {
    color: var(--camba-primary-light);
}
.post-card .post-meta {
    font-size: 0.78rem;
    color: var(--camba-text-muted);
}
.post-card .post-meta i {
    margin-right: 2px;
}
.post-card .post-type-badge {
    position: absolute;
    top: 10px;
    left: 10px;
}
.post-card .post-condition {
    font-size: 0.72rem;
}
.post-card .card-img-wrapper {
    position: relative;
    overflow: hidden;
}
.post-card .photo-count {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0,0,0,0.65);
    color: #fff;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.72rem;
}

/* ============================================================
   SECCIONES HOME
   ============================================================ */
.section-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.4rem;
    color: var(--camba-text);
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.section-title i {
    color: var(--camba-accent);
}
.section-title .view-all {
    margin-left: auto;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
}

.trust-block {
    background: linear-gradient(135deg, var(--camba-primary) 0%, #1a6fa0 100%);
    color: #fff;
    border-radius: var(--camba-radius);
    padding: 2.5rem 2rem;
}
.trust-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 0.8rem;
}
.how-it-works .step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--camba-accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0 auto 0.8rem;
}

/* ============================================================
   PERFIL
   ============================================================ */
.profile-header {
    background: linear-gradient(135deg, var(--camba-primary), var(--camba-primary-dark));
    color: #fff;
    padding: 2rem;
    border-radius: var(--camba-radius);
    margin-bottom: 1.5rem;
}
.profile-avatar {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.3);
    object-fit: cover;
}
.profile-stats .stat {
    text-align: center;
}
.profile-stats .stat-number {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}
.profile-stats .stat-label {
    font-size: 0.78rem;
    opacity: 0.8;
}

/* ============================================================
   DETALLE PUBLICACIÓN
   ============================================================ */
.post-detail-images .main-image {
    border-radius: var(--camba-radius);
    overflow: hidden;
    max-height: 500px;
}
.post-detail-images .main-image img {
    width: 100%;
    object-fit: contain;
    background: #f8f9fa;
}
.post-detail-images .thumb-gallery {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}
.post-detail-images .thumb-gallery img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 6px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--camba-transition);
}
.post-detail-images .thumb-gallery img.active,
.post-detail-images .thumb-gallery img:hover {
    border-color: var(--camba-accent);
}

.seller-card {
    background: var(--camba-card);
    border-radius: var(--camba-radius);
    padding: 1.2rem;
    box-shadow: var(--camba-shadow);
}

/* ============================================================
   RESEÑAS
   ============================================================ */
.review-card {
    background: var(--camba-card);
    border-radius: var(--camba-radius);
    padding: 1rem;
    margin-bottom: 0.8rem;
    box-shadow: var(--camba-shadow);
}
.review-card .reviewer-name {
    font-weight: 700;
    font-size: 0.9rem;
}
.review-card .review-date {
    font-size: 0.75rem;
    color: var(--camba-text-muted);
}
.review-card .review-text {
    font-size: 0.9rem;
    margin-top: 0.4rem;
}
.rating-stars i {
    font-size: 0.95rem;
}

/* ============================================================
   FORMULARIOS
   ============================================================ */
.camba-form .form-control,
.camba-form .form-select {
    border-radius: 8px;
    border: 1px solid var(--camba-border);
    padding: 0.6rem 1rem;
    transition: var(--camba-transition);
}
.camba-form .form-control:focus,
.camba-form .form-select:focus {
    border-color: var(--camba-primary-light);
    box-shadow: 0 0 0 3px rgba(41,128,185,0.15);
}
.camba-form label {
    font-weight: 600;
    font-size: 0.88rem;
    margin-bottom: 0.3rem;
}
.btn-camba {
    background: var(--camba-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.6rem 1.5rem;
    font-weight: 700;
    transition: var(--camba-transition);
}
.btn-camba:hover {
    background: var(--camba-primary-dark);
    color: #fff;
    transform: translateY(-1px);
}

/* ============================================================
   UPLOAD IMAGES
   ============================================================ */
.upload-zone {
    border: 2px dashed var(--camba-border);
    border-radius: var(--camba-radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--camba-transition);
    background: #fafbfc;
}
.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--camba-primary-light);
    background: rgba(41,128,185,0.05);
}
.upload-zone i {
    font-size: 2.5rem;
    color: var(--camba-text-muted);
}
.upload-preview {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}
.upload-preview .preview-item {
    position: relative;
    width: 120px;
    height: 90px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--camba-shadow);
}
.upload-preview .preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.upload-preview .preview-item .remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(192,57,43,0.9);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 22px;
    height: 22px;
    font-size: 0.7rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================================
   PUBLICIDAD
   ============================================================ */
.camba-ad {
    margin: 0.5rem auto;
    text-align: center;
}
.camba-ad img {
    max-width: 100%;
    height: auto;
}
.camba-mobile-ad {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1040;
    background: #fff;
    text-align: center;
    padding: 4px 0;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

/* ============================================================
   FOOTER
   ============================================================ */
.camba-footer {
    background: var(--camba-primary-dark);
    color: rgba(255,255,255,0.8);
}
.footer-brand {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.3rem;
    color: #fff;
}
.footer-title {
    font-family: var(--font-heading);
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
}
.footer-links li {
    margin-bottom: 0.4rem;
}
.footer-links a {
    color: rgba(255,255,255,0.65);
    font-size: 0.85rem;
}
.footer-links a:hover {
    color: #fff;
}

/* ============================================================
   FILTROS
   ============================================================ */
.filters-sidebar .form-label {
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--camba-text-muted);
}

/* ============================================================
   UTILIDADES
   ============================================================ */
.text-accent { color: var(--camba-accent) !important; }
.bg-camba { background: var(--camba-primary) !important; }
.no-img-placeholder {
    background: #e9ecef;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #adb5bd;
    font-size: 2rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .camba-hero { padding: 2rem 0 2.5rem; }
    .camba-hero h1 { font-size: 1.6rem; }
    .post-card .card-img-top { height: 160px; }
    .category-card { padding: 0.8rem 0.3rem; }
    .category-card i { font-size: 1.5rem; }
    .section-title { font-size: 1.2rem; }
    .profile-avatar { width: 70px; height: 70px; }
}

@media (max-width: 576px) {
    .post-card .card-img-top { height: 140px; }
    .upload-preview .preview-item { width: 90px; height: 68px; }
}