/**
 * AtFactoryPrice - UI Density & Elegance Refinement
 * 
 * Purpose: Improve layout density, reduce unnecessary whitespace,
 *          enhance elegance while maintaining premium look
 * 
 * Design Philosophy:
 * - Clean and confident
 * - Compact but breathable
 * - Information-rich without clutter
 * - Touch-first and thumb-friendly
 * - Premium but practical
 * 
 * Spacing System: 8px-based scale (4 / 8 / 12 / 16 / 24 / 32)
 * 
 * Cross-platform optimized for iOS and Android
 */

/* ===== BASE TYPOGRAPHY REFINEMENTS ===== */
:root {
    /* Spacing scale - 8px based */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    --space-2xl: 32px;
    --space-3xl: 48px;
    
    /* Refined typography */
    --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.6;
    
    /* Touch target minimum */
    --touch-target-min: 44px;
    
    /* Border radius scale */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    
    /* Shadows - refined for depth */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
}

/* Tighter line-height for headings */
h1, h2, h3, h4, h5, h6 {
    line-height: var(--line-height-tight);
}

/* Body text optimization */
p, li, span {
    line-height: var(--line-height-normal);
}

/* ===== NAVIGATION REFINEMENTS ===== */
/* Reduce navbar height */
.nav-container {
    padding: 12px 16px !important; /* Reduced from 1rem 2rem */
}

.logo-image {
    height: 36px !important; /* Slightly smaller logo */
    width: auto !important;
}

/* Compact nav links */
.nav-links {
    gap: 1.25rem !important; /* Reduced from 2rem */
}

.nav-link {
    font-size: 0.9rem !important;
    padding: 6px 0 !important;
}

/* ===== HERO SECTION REFINEMENTS ===== */
/* Significantly reduce hero padding */
.hero {
    padding: 64px 16px 56px !important; /* Reduced from 120px 20px */
}

.hero-badge {
    padding: 6px 14px !important;
    margin-bottom: 1rem !important;
    font-size: 0.8rem !important;
}

.hero-title {
    font-size: 2.75rem !important; /* Reduced from 3.5rem */
    margin-bottom: 0.875rem !important;
    letter-spacing: -0.5px !important;
}

.hero-subtitle {
    font-size: 1.1rem !important; /* Reduced from 1.25rem */
    margin-bottom: 1.75rem !important; /* Reduced from 2.5rem */
    line-height: 1.5 !important;
}

/* Compact hero buttons */
.hero-cta {
    gap: 12px !important;
}

.btn-primary, .btn-secondary {
    padding: 12px 24px !important; /* Reduced from 1rem 2rem */
    font-size: 0.95rem !important;
    border-radius: var(--radius-md) !important;
}

/* ===== TRUST/FEATURES SECTION ===== */
.trust-section {
    padding: 32px 16px !important; /* Reduced from 48px 20px */
}

.trust-container {
    gap: 16px !important; /* Reduced from 32px */
}

.trust-item {
    padding: 14px 16px !important; /* Reduced from 20px 24px */
    border-radius: var(--radius-md) !important;
}

.trust-icon {
    width: 40px !important; /* Reduced from 48px */
    height: 40px !important;
    border-radius: var(--radius-sm) !important;
}

.trust-icon svg {
    width: 20px !important;
    height: 20px !important;
}

.trust-content h4 {
    font-size: 0.9rem !important;
    margin-bottom: 2px !important;
}

.trust-content p {
    font-size: 0.8rem !important;
}

/* ===== SECTION HEADERS ===== */
.categories-section,
.featured-section,
.about-section,
section {
    padding: 48px 16px !important; /* Reduced from 80px 20px */
}

.categories-header,
.section-header {
    margin-bottom: 32px !important; /* Reduced from 48px */
}

.categories-header h2,
.section-title {
    font-size: 1.75rem !important; /* Reduced from 2.25rem */
    margin-bottom: 8px !important;
}

.categories-header p {
    font-size: 0.95rem !important;
}

/* ===== CATEGORY CARDS ===== */
.categories-grid {
    gap: 16px !important; /* Reduced from 24px */
}

.category-card-home {
    min-height: 220px !important; /* Reduced from 280px */
    border-radius: var(--radius-lg) !important;
}

.category-card-content {
    padding: 20px !important; /* Reduced from larger padding */
}

.category-card-content h3 {
    font-size: 1.5rem !important;
    margin-bottom: 6px !important;
}

.category-card-content p {
    font-size: 0.85rem !important;
    margin-bottom: 16px !important;
}

/* ===== PRODUCT CARDS ===== */
.product-card {
    border-radius: var(--radius-md) !important;
    overflow: hidden;
}

.product-image-container {
    aspect-ratio: 1/1;
}

.product-info {
    padding: 12px !important; /* Compact info section */
}

.product-name {
    font-size: 0.9rem !important;
    font-weight: 600 !important;
    margin-bottom: 4px !important;
    line-height: 1.3 !important;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    font-size: 1rem !important;
    font-weight: 700 !important;
}

.product-unit {
    font-size: 0.75rem !important;
    color: #666 !important;
}

/* Product badges - compact */
.product-badges {
    gap: 4px !important;
    margin-top: 6px !important;
}

.product-badge {
    font-size: 0.65rem !important;
    padding: 2px 6px !important;
    border-radius: 4px !important;
}

/* ===== PRODUCT GRID OPTIMIZATION ===== */
.products-grid {
    gap: 12px !important; /* Tighter grid gap */
}

/* ===== FORM ELEMENTS ===== */
input, select, textarea {
    padding: 10px 14px !important;
    font-size: 0.95rem !important;
    border-radius: var(--radius-sm) !important;
}

.form-group {
    margin-bottom: 14px !important;
}

.form-group label {
    font-size: 0.85rem !important;
    margin-bottom: 4px !important;
}

/* ===== BUTTONS - TOUCH OPTIMIZED ===== */
button, .btn {
    min-height: var(--touch-target-min);
    padding: 10px 20px !important;
    font-size: 0.9rem !important;
    border-radius: var(--radius-md) !important;
    font-weight: 600 !important;
}

/* ===== FOOTER REFINEMENTS ===== */
.footer {
    padding: 40px 16px 24px !important;
}

.footer-content {
    gap: 24px !important;
}

.footer h3, .footer h4 {
    font-size: 0.95rem !important;
    margin-bottom: 12px !important;
}

.footer p, .footer a {
    font-size: 0.85rem !important;
    line-height: 1.6 !important;
}

.footer-bottom {
    padding-top: 20px !important;
    margin-top: 24px !important;
}

.footer-bottom p {
    font-size: 0.8rem !important;
}

/* ===== MOBILE NAVIGATION (BOTTOM) ===== */
.mobile-nav {
    padding: 8px 0 !important;
    padding-bottom: calc(8px + env(safe-area-inset-bottom)) !important;
}

.mobile-nav a {
    padding: 6px 12px !important;
    font-size: 0.7rem !important;
}

.mobile-nav svg {
    width: 20px !important;
    height: 20px !important;
}

/* ===== CARDS & CONTAINERS ===== */
.card {
    border-radius: var(--radius-md) !important;
    padding: 16px !important;
    box-shadow: var(--shadow-sm) !important;
}

/* ===== MODALS ===== */
.modal-content {
    border-radius: var(--radius-lg) !important;
    padding: 20px !important;
}

.modal-header {
    padding-bottom: 12px !important;
    margin-bottom: 16px !important;
}

.modal-header h2, .modal-header h3 {
    font-size: 1.25rem !important;
}

/* ===== CHECKOUT REFINEMENTS ===== */
.checkout-container {
    gap: 20px !important;
}

.order-summary {
    padding: 16px !important;
    border-radius: var(--radius-md) !important;
}

.summary-item {
    padding: 10px 0 !important;
}

/* ===== DASHBOARD REFINEMENTS ===== */
.dashboard-header {
    padding: 20px 16px !important;
}

.stats-grid {
    gap: 12px !important;
}

.stat-card {
    padding: 16px !important;
    border-radius: var(--radius-md) !important;
}

.stat-card h3 {
    font-size: 0.8rem !important;
    margin-bottom: 4px !important;
}

.stat-card .value {
    font-size: 1.5rem !important;
}

/* ===== ABOUT SECTION ===== */
.about-section {
    padding: 48px 16px !important;
}

.about-content h2 {
    font-size: 1.75rem !important;
    margin-bottom: 16px !important;
}

.about-content p {
    font-size: 0.95rem !important;
    margin-bottom: 12px !important;
}

.about-values {
    gap: 16px !important;
    margin-top: 24px !important;
}

.value-item {
    padding: 16px !important;
}

.value-item h3 {
    font-size: 1rem !important;
    margin-bottom: 4px !important;
}

.value-item p {
    font-size: 0.85rem !important;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 48px 16px !important;
}

.cta-section h2 {
    font-size: 1.75rem !important;
    margin-bottom: 8px !important;
}

.cta-section p {
    font-size: 0.95rem !important;
    margin-bottom: 20px !important;
}

/* =================================================================
   MOBILE RESPONSIVE REFINEMENTS (max-width: 768px)
   ================================================================= */
@media (max-width: 768px) {
    /* Even more compact on mobile */
    .nav-container {
        padding: 10px 12px !important;
    }
    
    .logo-image {
        height: 32px !important;
    }
    
    .nav-links {
        gap: 0.75rem !important;
    }
    
    .nav-link {
        font-size: 0.85rem !important;
    }
    
    /* Hero - much more compact on mobile */
    .hero {
        padding: 40px 16px 36px !important;
    }
    
    .hero-badge {
        padding: 5px 12px !important;
        font-size: 0.75rem !important;
        margin-bottom: 0.75rem !important;
    }
    
    .hero-title {
        font-size: 1.75rem !important;
        margin-bottom: 0.5rem !important;
    }
    
    .hero-subtitle {
        font-size: 0.95rem !important;
        margin-bottom: 1.25rem !important;
    }
    
    .hero-cta {
        gap: 10px !important;
    }
    
    .btn-primary, .btn-secondary {
        padding: 12px 20px !important;
        font-size: 0.9rem !important;
        max-width: 100% !important;
    }
    
    /* Trust section mobile */
    .trust-section {
        padding: 24px 12px !important;
    }
    
    .trust-item {
        padding: 12px 14px !important;
    }
    
    .trust-icon {
        width: 36px !important;
        height: 36px !important;
    }
    
    .trust-content h4 {
        font-size: 0.85rem !important;
    }
    
    .trust-content p {
        font-size: 0.75rem !important;
    }
    
    /* Sections mobile */
    .categories-section,
    .featured-section,
    .about-section,
    section {
        padding: 36px 12px !important;
    }
    
    .categories-header,
    .section-header {
        margin-bottom: 20px !important;
    }
    
    .categories-header h2,
    .section-title {
        font-size: 1.5rem !important;
    }
    
    .categories-header p {
        font-size: 0.85rem !important;
    }
    
    /* Category cards mobile */
    .category-card-home {
        min-height: 160px !important;
    }
    
    .category-card-content {
        padding: 16px !important;
    }
    
    .category-card-content h3 {
        font-size: 1.25rem !important;
    }
    
    .category-card-content p {
        font-size: 0.8rem !important;
        margin-bottom: 12px !important;
    }
    
    /* Product grid - 2 columns on mobile */
    .products-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }
    
    .product-info {
        padding: 10px !important;
    }
    
    .product-name {
        font-size: 0.8rem !important;
    }
    
    .product-price {
        font-size: 0.9rem !important;
    }
    
    /* Footer mobile */
    .footer {
        padding: 32px 12px 20px !important;
    }
    
    .footer-content {
        gap: 20px !important;
    }
    
    /* About section mobile */
    .about-content h2 {
        font-size: 1.5rem !important;
    }
    
    .about-content p {
        font-size: 0.9rem !important;
    }
    
    .value-item {
        padding: 14px !important;
    }
    
    /* CTA mobile */
    .cta-section {
        padding: 36px 12px !important;
    }
    
    .cta-section h2 {
        font-size: 1.5rem !important;
    }
    
    /* Dashboard mobile */
    .dashboard-header {
        padding: 16px 12px !important;
    }
    
    .stat-card {
        padding: 14px !important;
    }
    
    .stat-card .value {
        font-size: 1.25rem !important;
    }
    
    /* Form elements mobile */
    input, select, textarea {
        padding: 10px 12px !important;
        font-size: 16px !important; /* Prevent iOS zoom */
    }
    
    .form-group {
        margin-bottom: 12px !important;
    }
}

/* =================================================================
   SMALL PHONES (max-width: 375px)
   ================================================================= */
@media (max-width: 375px) {
    .hero {
        padding: 32px 12px 28px !important;
    }
    
    .hero-title {
        font-size: 1.5rem !important;
    }
    
    .hero-subtitle {
        font-size: 0.875rem !important;
    }
    
    .categories-header h2,
    .section-title {
        font-size: 1.25rem !important;
    }
    
    .product-name {
        font-size: 0.75rem !important;
    }
    
    .product-price {
        font-size: 0.85rem !important;
    }
}

/* =================================================================
   TABLETS (min-width: 769px and max-width: 1024px)
   ================================================================= */
@media (min-width: 769px) and (max-width: 1024px) {
    .hero {
        padding: 56px 20px 48px !important;
    }
    
    .hero-title {
        font-size: 2.25rem !important;
    }
    
    .products-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 14px !important;
    }
    
    .categories-grid {
        gap: 14px !important;
    }
    
    .category-card-home {
        min-height: 180px !important;
    }
}

/* =================================================================
   LARGE SCREENS (min-width: 1025px)
   ================================================================= */
@media (min-width: 1025px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 16px !important;
    }
    
    .hero {
        padding: 72px 24px 64px !important;
    }
    
    .hero-title {
        font-size: 2.5rem !important;
    }
}

/* =================================================================
   UTILITY CLASSES
   ================================================================= */
.compact-section {
    padding: 32px 16px !important;
}

.tight-spacing {
    gap: 8px !important;
}

.no-margin-bottom {
    margin-bottom: 0 !important;
}

/* =================================================================
   ANIMATION REFINEMENTS - Subtle & Fast
   ================================================================= */
* {
    transition-duration: var(--transition-fast);
}

/* Disable hover transforms on touch devices */
@media (hover: none) {
    .category-card-home:hover,
    .product-card:hover,
    .trust-item:hover,
    .btn-primary:hover,
    .btn-secondary:hover {
        transform: none !important;
    }
}

/* =================================================================
   SAFE AREA INSETS (iOS notch support)
   ================================================================= */
@supports (padding: env(safe-area-inset-top)) {
    .navbar {
        padding-top: env(safe-area-inset-top);
    }
    
    .mobile-nav {
        padding-bottom: calc(8px + env(safe-area-inset-bottom));
    }
}

/* =================================================================
   PRODUCT LISTING PAGE SPECIFIC
   ================================================================= */
/* Category sidebar */
.category-sidebar {
    padding: 12px !important;
}

.category-sidebar h3 {
    font-size: 0.9rem !important;
    margin-bottom: 8px !important;
}

.category-list li {
    padding: 8px 10px !important;
    font-size: 0.85rem !important;
    border-radius: var(--radius-sm) !important;
}

/* Product filters bar */
.filters-bar {
    padding: 10px 12px !important;
    gap: 10px !important;
}

.filters-bar select {
    padding: 8px 12px !important;
    font-size: 0.85rem !important;
}

/* Search bar */
.search-container {
    padding: 8px 12px !important;
}

.search-container input {
    padding: 10px 14px !important;
    font-size: 0.9rem !important;
}

/* Product carousel */
.product-carousel {
    height: 220px !important;
}

.carousel-nav {
    width: 32px !important;
    height: 32px !important;
}

.carousel-dots {
    gap: 6px !important;
    padding: 6px !important;
}

.carousel-dot {
    width: 6px !important;
    height: 6px !important;
}

/* =================================================================
   CHECKOUT PAGE SPECIFIC
   ================================================================= */
.checkout-page {
    padding: 20px 12px !important;
}

.checkout-form {
    padding: 16px !important;
    border-radius: var(--radius-md) !important;
}

.checkout-form h2 {
    font-size: 1.25rem !important;
    margin-bottom: 16px !important;
}

.order-items {
    max-height: 250px !important;
}

.order-item {
    padding: 10px 0 !important;
    gap: 10px !important;
}

.order-item-image {
    width: 56px !important;
    height: 56px !important;
    border-radius: var(--radius-sm) !important;
}

.order-item-name {
    font-size: 0.85rem !important;
}

.order-item-price {
    font-size: 0.9rem !important;
}

.submission-options {
    margin-top: 20px !important;
}

.submission-options h3 {
    font-size: 1rem !important;
    margin-bottom: 12px !important;
}

.btn-submit {
    padding: 12px 16px !important;
    font-size: 0.9rem !important;
    margin-bottom: 8px !important;
    border-radius: var(--radius-md) !important;
}

/* =================================================================
   CART PAGE SPECIFIC
   ================================================================= */
.cart-page {
    padding: 20px 12px !important;
}

.cart-item {
    padding: 12px !important;
    gap: 12px !important;
    border-radius: var(--radius-md) !important;
}

.cart-item-image {
    width: 72px !important;
    height: 72px !important;
}

.cart-item-details h3 {
    font-size: 0.9rem !important;
    margin-bottom: 4px !important;
}

.quantity-controls {
    gap: 6px !important;
}

.quantity-controls button {
    width: 32px !important;
    height: 32px !important;
    font-size: 1rem !important;
}

.cart-summary {
    padding: 16px !important;
    border-radius: var(--radius-md) !important;
}

.cart-total {
    font-size: 1.25rem !important;
}

/* =================================================================
   AUTH PAGES (LOGIN/SIGNUP) SPECIFIC
   ================================================================= */
.auth-container {
    padding: 32px 20px !important;
}

.auth-card {
    padding: 24px !important;
    border-radius: var(--radius-lg) !important;
    max-width: 400px !important;
}

.auth-card h1,
.auth-card h2 {
    font-size: 1.5rem !important;
    margin-bottom: 8px !important;
}

.auth-card p {
    font-size: 0.9rem !important;
    margin-bottom: 20px !important;
}

.auth-card .form-group {
    margin-bottom: 14px !important;
}

.auth-card label {
    font-size: 0.85rem !important;
    margin-bottom: 4px !important;
}

.auth-card input {
    padding: 12px 14px !important;
}

.auth-card .btn {
    padding: 12px 20px !important;
    font-size: 0.95rem !important;
}

/* Referral code section in signup */
.referral-section {
    padding: 14px !important;
    margin-top: 16px !important;
    border-radius: var(--radius-md) !important;
}

.referral-section h3,
.referral-section h4 {
    font-size: 0.9rem !important;
    margin-bottom: 8px !important;
}

/* =================================================================
   ORDERS PAGE SPECIFIC
   ================================================================= */
.orders-page {
    padding: 20px 12px !important;
}

.order-card {
    padding: 14px !important;
    border-radius: var(--radius-md) !important;
    margin-bottom: 12px !important;
}

.order-card-header {
    margin-bottom: 10px !important;
}

.order-id {
    font-size: 0.85rem !important;
}

.order-status {
    padding: 4px 10px !important;
    font-size: 0.75rem !important;
    border-radius: 12px !important;
}

.order-items-preview {
    font-size: 0.85rem !important;
}

.order-total {
    font-size: 1rem !important;
}

/* =================================================================
   PROFILE PAGE SPECIFIC
   ================================================================= */
.profile-page {
    padding: 20px 12px !important;
}

.profile-card {
    padding: 20px !important;
    border-radius: var(--radius-md) !important;
}

.profile-avatar {
    width: 64px !important;
    height: 64px !important;
}

.profile-name {
    font-size: 1.25rem !important;
}

.profile-email {
    font-size: 0.85rem !important;
}

.profile-stats {
    gap: 12px !important;
    margin-top: 16px !important;
}

.profile-stat {
    padding: 12px !important;
}

.profile-stat-value {
    font-size: 1.25rem !important;
}

.profile-stat-label {
    font-size: 0.75rem !important;
}

/* =================================================================
   LIGHTBOX/MODAL REFINEMENTS
   ================================================================= */
.lightbox-content {
    padding: 16px !important;
    border-radius: var(--radius-lg) !important;
}

.lightbox-close {
    width: 36px !important;
    height: 36px !important;
    font-size: 1.5rem !important;
}

/* =================================================================
   LOADING STATES
   ================================================================= */
.loading-spinner {
    width: 32px !important;
    height: 32px !important;
}

.skeleton {
    border-radius: var(--radius-sm) !important;
}

/* =================================================================
   TOAST/NOTIFICATION REFINEMENTS
   ================================================================= */
.toast {
    padding: 12px 16px !important;
    font-size: 0.85rem !important;
    border-radius: var(--radius-md) !important;
}

/* =================================================================
   BADGE REFINEMENTS
   ================================================================= */
.badge {
    padding: 3px 8px !important;
    font-size: 0.7rem !important;
    border-radius: 10px !important;
}

/* =================================================================
   PRINT STYLES - Clean output
   ================================================================= */
@media print {
    .hero {
        padding: 20px !important;
    }
    
    .mobile-nav,
    .navbar {
        display: none !important;
    }
}