/* ============================================
   DESIGN SYSTEM — Inspired by shadcn/Tabler
   Modern, clean, minimal aesthetic
   ============================================ */

/* --- Design Tokens --- */
:root {
    /* Primary palette */
    --primary: #0f172a;
    --primary-foreground: #ffffff;
    --primary-hover: #1e293b;

    /* Accent (CTA buttons, links) */
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: #eff6ff;
    --accent-foreground: #ffffff;

    /* Neutral / Slate palette */
    --background: #f8fafc;
    --foreground: #0f172a;
    --muted: #f1f5f9;
    --muted-foreground: #64748b;
    --card: #ffffff;
    --card-foreground: #0f172a;
    --border: #e2e8f0;
    --input-border: #cbd5e1;
    --ring: rgba(37, 99, 235, 0.25);

    /* Semantic */
    --success: #16a34a;
    --success-light: #f0fdf4;
    --warning: #ea580c;
    --warning-light: #fff7ed;
    --danger: #dc2626;
    --danger-light: #fef2f2;
    --info: #0284c7;
    --info-light: #f0f9ff;

    /* WhatsApp */
    --whatsapp: #25D366;
    --whatsapp-light: #ecfdf5;

    /* Radii */
    --radius-sm: 6px;
    --radius: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Base Reset & Typography --- */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--foreground);
    background-color: var(--background);
    font-size: 0.9375rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--foreground);
    letter-spacing: -0.01em;
}

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

a:hover {
    color: var(--accent-hover);
}

/* --- Header / Navbar --- */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.header-top {
    padding: 0.625rem 0;
}

.navbar-brand {
    margin-right: 0;
}

.navbar-brand img {
    max-height: 36px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.navbar-toggler {
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius);
    padding: 0.4rem 0.65rem;
    transition: all var(--transition-fast);
}

.navbar-toggler .navbar-toggler-icon {
    filter: brightness(0) invert(1);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(255,255,255,0.15);
}

/* --- Header Links --- */
.header-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.8125rem;
    white-space: nowrap;
    color: rgba(255,255,255,0.75);
    transition: all var(--transition-fast);
}

.header-link:hover {
    color: #ffffff;
    background: rgba(255,255,255,0.1);
}

.header-link i { font-size: 0.875rem; }

.header-link--whatsapp {
    color: var(--whatsapp);
}

.header-link--whatsapp:hover {
    background: rgba(37,211,102,0.15);
    color: var(--whatsapp);
}

.header-link--logout {
    color: rgba(255,255,255,0.55);
    border: 1px solid rgba(255,255,255,0.15);
}

.header-link--logout:hover {
    color: #fca5a5;
    border-color: rgba(252,165,165,0.3);
    background: rgba(252,165,165,0.1);
}

/* --- Header Mobile Menu --- */
.header-mobile-menu {
    background: var(--primary-hover);
    border-top: 1px solid rgba(255,255,255,0.08);
}

.header-mobile-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 0.5rem;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.header-mobile-link:hover { color: #ffffff; }
.header-mobile-link--logout { color: #fca5a5; }
.header-mobile-link--logout:hover { color: #fecaca; }

/* --- Buttons --- */
.btn {
    font-weight: 500;
    font-size: 0.875rem;
    border-radius: var(--radius);
    padding: 0.5rem 1rem;
    transition: all var(--transition-fast);
    letter-spacing: 0.01em;
}

.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--ring);
}

.btn-primary {
    background-color: var(--primary);
    border: 1px solid var(--primary);
    color: var(--primary-foreground);
    padding: 0.5625rem 1.25rem;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: none;
}

.btn-primary:active {
    background-color: #0f172a;
    transform: scale(0.98);
}

.btn-outline-primary {
    color: var(--primary);
    border: 1px solid var(--border);
    background-color: transparent;
}

.btn-outline-primary:hover {
    background-color: var(--muted);
    color: var(--primary);
    border-color: var(--input-border);
}

.btn-outline-secondary {
    color: var(--muted-foreground);
    border: 1px solid var(--border);
    background-color: transparent;
    font-size: 0.8125rem;
}

.btn-outline-secondary:hover {
    background-color: var(--muted);
    color: var(--foreground);
    border-color: var(--input-border);
}

.btn-outline-danger {
    color: var(--danger);
    border: 1px solid var(--border);
    background-color: transparent;
}

.btn-outline-danger:hover {
    background-color: var(--danger-light);
    color: var(--danger);
    border-color: var(--danger);
}

.btn-secondary {
    background-color: var(--muted);
    border: 1px solid var(--border);
    color: var(--muted-foreground);
}

.btn-secondary:hover {
    background-color: var(--border);
    color: var(--foreground);
    border-color: var(--input-border);
}

.btn-sm {
    padding: 0.3rem 0.75rem;
    font-size: 0.8125rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: var(--radius-md);
}

/* --- Form Controls --- */
.form-control {
    border-radius: var(--radius);
    border: 1px solid var(--input-border);
    padding: 0.5625rem 0.875rem;
    font-size: 0.875rem;
    color: var(--foreground);
    background-color: var(--card);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--ring);
    outline: none;
}

.form-control::placeholder {
    color: var(--muted-foreground);
    opacity: 0.7;
}

.form-control.is-invalid {
    border-color: var(--danger);
    box-shadow: none;
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.form-label {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--foreground);
    margin-bottom: 0.375rem;
}

.form-text {
    font-size: 0.8125rem;
    color: var(--muted-foreground);
}

.form-select {
    border-radius: var(--radius);
    border: 1px solid var(--input-border);
    padding: 0.5625rem 2.25rem 0.5625rem 0.875rem;
    font-size: 0.875rem;
    color: var(--foreground);
    background-color: var(--card);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--ring);
}

.form-check-input {
    border-radius: 4px;
    border: 1.5px solid var(--input-border);
    transition: all var(--transition-fast);
}

.form-check-input:checked {
    background-color: var(--accent);
    border-color: var(--accent);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px var(--ring);
}

.form-check-input[type="radio"] {
    border-radius: 50%;
}

/* --- Cards --- */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    transition: box-shadow var(--transition), transform var(--transition);
}

.card-body {
    padding: 1.25rem;
}

.card-title {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.card-text {
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

/* --- Product Cards --- */
.product-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    overflow: hidden;
}

.product-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--input-border);
}

.product-card.agotado {
    opacity: 0.7;
}

.product-card .card-body {
    padding: 1rem;
}

.product-card .card-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--foreground);
    line-height: 1.35;
    margin-bottom: 0.25rem;
}

.product-card .card-img-top {
    border-radius: 0;
}

.product-price {
    font-size: 1.375rem;
    color: var(--foreground);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.precio-container {
    padding: 0.5rem 0.75rem;
    background-color: var(--muted);
    border-radius: var(--radius);
    text-align: center;
}

.precio-container .precio {
    color: var(--foreground);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.precio-container .text-success {
    color: var(--success) !important;
    font-size: 0.8125rem;
    font-weight: 500;
}

.product-image {
    height: 200px;
    object-fit: cover;
}

.travel-route {
    background-color: var(--muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.travel-route .h5 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--foreground);
}

/* --- Badges --- */
.badge {
    padding: 0.35rem 0.65rem;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 0.01em;
}

.badge.bg-primary {
    background-color: var(--primary) !important;
}

.badge.bg-success {
    background-color: var(--success) !important;
}

.badge.bg-danger {
    background-color: var(--danger) !important;
}

.badge.bg-warning {
    background-color: var(--warning) !important;
    color: white !important;
}

.badge.bg-info {
    background-color: var(--info) !important;
}

/* --- Alerts --- */
.alert {
    border-radius: var(--radius-md);
    border: 1px solid;
    font-size: 0.875rem;
    padding: 0.875rem 1rem;
}

.alert-success {
    background-color: var(--success-light);
    border-color: rgba(22, 163, 74, 0.2);
    color: #15803d;
}

.alert-danger {
    background-color: var(--danger-light);
    border-color: rgba(220, 38, 38, 0.2);
    color: #b91c1c;
}

.alert-warning {
    background-color: var(--warning-light);
    border-color: rgba(234, 88, 12, 0.2);
    color: #c2410c;
}

.alert-info {
    background-color: var(--info-light);
    border-color: rgba(2, 132, 199, 0.2);
    color: #0369a1;
}

/* --- Filters Section --- */
.filters-section {
    background: var(--card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-xs);
    margin-bottom: 1.5rem;
    padding: 1.25rem;
}

/* Active filter tags */
.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.filter-tag {
    background: var(--muted);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    padding: 0.3rem 0.75rem;
    font-size: 0.8125rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--foreground);
}

.filter-tag i {
    cursor: pointer;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

.filter-tag i:hover {
    opacity: 1;
}

/* --- Transport Options --- */
.transport-options {
    margin-bottom: 1rem;
}

.transport-select {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.transport-option {
    display: block;
    margin: 0;
    cursor: pointer;
}

.transport-option input[type="radio"] {
    display: none;
}

.transport-label {
    display: flex;
    align-items: center;
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius);
    background: var(--card);
    border: 1px solid var(--border);
    transition: all var(--transition-fast);
    font-size: 0.875rem;
}

.transport-label i {
    margin-right: 0.625rem;
    font-size: 1rem;
    color: var(--muted-foreground);
    width: 20px;
    text-align: center;
    transition: color var(--transition-fast);
}

.transport-option input[type="radio"]:checked + .transport-label {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.transport-option input[type="radio"]:checked + .transport-label i {
    color: white;
}

.transport-option:hover .transport-label {
    background: var(--muted);
    border-color: var(--input-border);
}

.transport-option input[type="radio"]:checked:hover + .transport-label {
    background: var(--primary-hover);
}

/* --- Accordion (Filters) --- */
.accordion-item {
    border: 1px solid var(--border);
    border-radius: var(--radius) !important;
    margin-bottom: 0.5rem;
}

.accordion-button {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--foreground);
    background-color: var(--card);
    padding: 0.75rem 1rem;
}

.accordion-button:not(.collapsed) {
    background-color: var(--muted);
    color: var(--foreground);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 3px var(--ring);
    border-color: var(--accent);
}

.accordion-body {
    padding: 0.875rem 1rem;
    background-color: var(--card);
}

/* --- Pagination --- */
.pagination {
    margin-top: 2rem;
    gap: 0.25rem;
}

.page-link {
    color: var(--foreground);
    border: 1px solid var(--border);
    border-radius: var(--radius) !important;
    margin: 0;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.4rem 0.75rem;
    transition: all var(--transition-fast);
}

.page-link:hover {
    background-color: var(--muted);
    color: var(--foreground);
    border-color: var(--input-border);
}

.page-item.active .page-link {
    background-color: var(--primary);
    border-color: var(--primary);
    color: var(--primary-foreground);
}

.page-item.disabled .page-link {
    color: var(--muted-foreground);
    opacity: 0.5;
}

/* --- Spinner --- */
.loading-spinner {
    color: var(--accent);
}

.spinner-border {
    border-width: 2px;
}

/* --- Modals --- */
.modal-content {
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.modal-header {
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
}

.modal-title {
    font-weight: 600;
    font-size: 1.0625rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border);
    padding: 1rem 1.5rem;
}

.btn-close:focus {
    box-shadow: 0 0 0 3px var(--ring);
}

/* --- Footer --- */
.site-footer {
    margin-top: 3rem;
    background-color: var(--primary);
    color: rgba(255,255,255,0.7);
    padding: 0;
}

.footer-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 2rem 0 1rem;
    flex-wrap: wrap;
}
.footer-logos img {
    flex-shrink: 0;
    opacity: 0.85;
}

.footer-disclaimer {
    text-align: center;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.55);
    max-width: 640px;
    margin: 0 auto 0.5rem;
    line-height: 1.5;
    padding: 0 1rem;
}
.footer-disclaimer strong {
    color: rgba(255,255,255,0.8);
}

.footer-main {
    display: flex;
    gap: 3rem;
    padding: 2.5rem 0 2rem;
    flex-wrap: wrap;
}

.footer-brand {
    flex: 1.5;
    min-width: 200px;
}

.footer-brand img {
    filter: brightness(0) invert(1);
    height: 28px;
    margin-bottom: 0.75rem;
}

.footer-tagline {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.5);
    line-height: 1.5;
    margin: 0;
}

.footer-contact,
.footer-social {
    flex: 1;
    min-width: 160px;
}

.footer-heading {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.4);
    margin-bottom: 0.75rem;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.8125rem;
    padding: 0.25rem 0;
    transition: color var(--transition-fast);
}

.footer-link:hover { color: #ffffff; }

.footer-link i {
    font-size: 0.875rem;
    width: 18px;
    text-align: center;
}

.footer-social-icons {
    display: flex;
    gap: 0.5rem;
}

.footer-social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.6);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.footer-social-icons a:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 1rem 0;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.35);
    text-align: center;
}

/* --- Utility Classes --- */
.text-muted {
    color: var(--muted-foreground) !important;
}

.bg-light {
    background-color: var(--muted) !important;
}

.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

/* --- Responsive --- */
@media (max-width: 991.98px) {
    .header-actions { display: none; }
}

@media (max-width: 768px) {
    .filters-section {
        margin-bottom: 1rem;
        padding: 1rem;
    }

    .product-card {
        margin-bottom: 0;
    }

    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
}

/* --- Offcanvas (mobile filters) --- */
.offcanvas {
    border-left: 1px solid var(--border);
}

.offcanvas-header {
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem;
}

.offcanvas-title {
    font-weight: 600;
    font-size: 1rem;
}

.offcanvas-body {
    padding: 1.25rem;
}

/* --- Toast --- */
.toast {
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

/* --- Tables --- */
.table {
    font-size: 0.875rem;
}

.table thead th {
    font-weight: 600;
    color: var(--muted-foreground);
    border-bottom: 2px solid var(--border);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.table td {
    vertical-align: middle;
    border-color: var(--border);
}