/* AAN Tienda - Public Pages Stylesheet
 * Header & Footer components for customer-facing pages
 * Adapted from AAN Restaurante - 90% identical structure
 * Purple theme (#9333EA) for retail management system
 */

/* ============================================
   ACCESSIBILITY - SKIP LINK & SCREEN READER
   ============================================ */

.skip-link {
    position: absolute;
    top: -100px;
    left: var(--space-md);
    z-index: 10000;
    padding: var(--space-sm) var(--space-lg);
    background: var(--primary);
    color: white;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: top 0.2s;
}

.skip-link:focus {
    top: var(--space-md);
    outline: 3px solid var(--primary-alpha);
    outline-offset: 2px;
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   PUBLIC HEADER STYLES
   ============================================ */

.public-header {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

/* Logo */
.header-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--gray-900);
    transition: opacity var(--transition-base);
}

.header-logo:hover {
    opacity: 0.8;
}

.logo-icon {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.5px;
}

/* Desktop Navigation */
.desktop-nav {
    display: none;
    align-items: center;
    gap: var(--space-lg);
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-base);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link:hover {
    color: var(--primary);
    background: var(--primary-alpha-10);
}

.nav-link.active {
    color: var(--primary);
    background: var(--primary-alpha-10);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: var(--space-md);
    right: var(--space-md);
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

/* Cart Button */
.cart-button {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    border: none;
    padding: var(--space-sm);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    min-width: 44px;
    min-height: 44px;
}

.cart-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.cart-icon {
    width: 24px;
    height: 24px;
}

.cart-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--secondary);
    color: white;
    font-size: var(--text-xs);
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    min-width: 20px;
    text-align: center;
    line-height: 1.4;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    z-index: 1001;
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: all var(--transition-base);
    transform-origin: center;
}

.mobile-menu-toggle:hover .hamburger-line {
    background: var(--primary);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    padding: var(--space-lg);
    overflow-y: auto;
    z-index: 999;
    box-shadow: var(--shadow-xl);
}

.mobile-nav.active {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-lg);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.mobile-nav-link:hover {
    background: var(--primary-alpha-10);
    color: var(--primary);
}

.mobile-nav-link.active {
    background: var(--primary);
    color: white;
}

.mobile-nav-link svg {
    flex-shrink: 0;
}

/* Desktop view (768px and up) */
@media (min-width: 768px) {
    .desktop-nav {
        display: flex;
    }

    .mobile-menu-toggle {
        display: none;
    }

    .logo-icon {
        height: 48px;
    }
}

/* ============================================
   MAIN CONTENT WRAPPER
   ============================================ */

.main-content {
    min-height: calc(100vh - 73px - 400px); /* Header height - Footer height */
    background: var(--gray-50);
}

/* Container for content sections */
.content-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
}

/* ============================================
   PUBLIC FOOTER STYLES
   ============================================ */

.public-footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--space-3xl) 0 var(--space-lg);
    margin-top: var(--space-3xl);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Footer Main Grid */
.footer-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--gray-700);
}

/* Footer Brand Section */
.footer-brand {
    max-width: 100%;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.footer-logo-icon {
    height: 32px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-logo-text {
    font-size: var(--text-lg);
    font-weight: 700;
    color: white;
    letter-spacing: 0.5px;
}

.footer-tagline {
    font-size: var(--text-base);
    color: var(--gray-400);
    line-height: 1.6;
    margin-top: var(--space-md);
}

/* Footer Sections */
.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-heading {
    font-size: var(--text-lg);
    font-weight: 600;
    color: white;
    margin-bottom: var(--space-md);
}

.footer-links,
.footer-info {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li,
.footer-info li {
    margin-bottom: var(--space-sm);
}

.footer-links a,
.footer-info a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-links a:hover,
.footer-info a:hover {
    color: var(--primary-light);
}

.footer-info li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.footer-icon {
    flex-shrink: 0;
    margin-top: 2px;
    opacity: 0.7;
}

.footer-text {
    font-size: var(--text-sm);
    color: var(--gray-400);
    line-height: 1.8;
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
    padding-top: var(--space-lg);
}

.footer-copyright p,
.footer-powered p {
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin: 0;
}

.powered-link {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.powered-link:hover {
    color: var(--primary);
}

.powered-icon {
    width: 16px;
    height: 16px;
}

/* ============================================
   RESPONSIVE DESIGN - FOOTER
   ============================================ */

@media (min-width: 640px) {
    .footer-main {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-2xl);
    }

    .footer-brand {
        grid-column: span 2;
    }
}

@media (min-width: 768px) {
    .footer-main {
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: var(--space-2xl);
    }

    .footer-brand {
        grid-column: span 1;
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
}

/* ============================================
   UTILITY CLASSES FOR PUBLIC PAGES
   ============================================ */

/* Page Header */
.page-header {
    background: var(--primary-gradient);
    color: white;
    padding: var(--space-3xl) 0 var(--space-2xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header h1 {
    font-size: var(--text-5xl);
    font-weight: 800;
    margin-bottom: var(--space-md);
    color: white;
}

.page-header p {
    font-size: var(--text-xl);
    opacity: 0.95;
    color: white;
    max-width: 600px;
    margin: 0 auto;
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    font-size: var(--text-sm);
    color: var(--gray-600);
}

.breadcrumbs a {
    color: var(--primary);
    text-decoration: none;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

/* Alert Messages */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.alert-success {
    background: var(--success-light);
    border: 1px solid var(--success);
    color: var(--success-dark);
}

.alert-error {
    background: var(--error-light);
    border: 1px solid var(--error);
    color: var(--error-dark);
}

.alert-warning {
    background: var(--warning-light);
    border: 1px solid var(--warning);
    color: var(--warning-dark);
}

.alert-info {
    background: var(--info-light);
    border: 1px solid var(--info);
    color: var(--info-dark);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-3xl);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    opacity: 0.3;
}

.empty-state h3 {
    font-size: var(--text-2xl);
    color: var(--gray-700);
    margin-bottom: var(--space-md);
}

.empty-state p {
    font-size: var(--text-base);
    color: var(--gray-500);
    max-width: 400px;
    margin: 0 auto var(--space-xl);
}

/* ============================================
   RESPONSIVE TYPOGRAPHY FOR PUBLIC PAGES
   ============================================ */

@media (max-width: 768px) {
    .page-header h1 {
        font-size: var(--text-4xl);
    }

    .page-header p {
        font-size: var(--text-lg);
    }

    .logo-text {
        font-size: var(--text-lg);
    }
}

@media (max-width: 640px) {
    .header-container {
        padding: var(--space-sm) var(--space-md);
    }

    .logo-icon {
        height: 32px;
    }

    .logo-text {
        display: none;
    }

    .page-header {
        padding: var(--space-2xl) var(--space-lg);
    }

    .page-header h1 {
        font-size: var(--text-3xl);
    }

    .content-container {
        padding: var(--space-lg) var(--space-md);
    }
}

/* ============================================
   ACCESSIBILITY ENHANCEMENTS
   ============================================ */

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: white;
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* Focus visible styles */
.cart-button:focus-visible,
.nav-link:focus-visible,
.mobile-nav-link:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}