/* 
   AURA Design System & Styling
   Premium Dark/Glassmorphic E-Commerce Theme
*/

:root {
    --bg-main: #0b0f19;
    --bg-header: rgba(11, 15, 25, 0.75);
    --bg-card: rgba(22, 28, 45, 0.45);
    --bg-input: rgba(15, 22, 38, 0.8);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(99, 102, 241, 0.4);
    
    --color-primary: #6366f1; /* Soft Indigo */
    --color-primary-hover: #4f46e5;
    --color-accent: #10b981; /* Emerald green for money/success */
    --color-accent-hover: #059669;
    --color-danger: #ef4444;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --font-sans: 'Outfit', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --shadow-sm: 0 2px 8px -1px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px -4px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

hr.divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 1.5rem 0;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: var(--bg-header);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.logo-accent {
    color: var(--color-primary);
    margin-right: 0.1rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Cart Trigger Badge */
.cart-trigger {
    position: relative;
    font-size: 1.35rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    transition: var(--transition-fast);
}

.cart-trigger:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.cart-count-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--color-primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

/* Buttons */
.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
    transition: var(--transition-fast);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    transition: var(--transition-fast);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-large {
    padding: 0.9rem 2rem;
    font-size: 1rem;
    width: 100%;
}

.btn-full {
    width: 100%;
}

/* Forms & Controls */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-control {
    width: 100%;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.8rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

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

.form-control::placeholder {
    color: var(--text-muted);
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Main Content Wrapper */
.main-content {
    margin-top: 75px; /* Offset fixed header */
    flex: 1;
}

/* Toast Messages & Alerts */
.messages-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 380px;
    width: 100%;
}

.toast-message {
    background: rgba(22, 28, 45, 0.95);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    backdrop-filter: blur(12px);
    animation: slideIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    transition: var(--transition-fast);
}

.toast-message.success {
    border-left: 4px solid var(--color-accent);
}

.toast-message.error {
    border-left: 4px solid var(--color-danger);
}

.toast-message.warning {
    border-left: 4px solid #f59e0b;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.toast-icon {
    font-size: 1.15rem;
}

.success .toast-icon { color: var(--color-accent); }
.error .toast-icon { color: var(--color-danger); }
.warning .toast-icon { color: #f59e0b; }

.toast-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    line-height: 1;
}

.toast-close:hover {
    color: var(--text-primary);
}

.fade-out {
    opacity: 0;
    transform: translateY(10px);
}

/* Animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Hero Section */
.hero {
    position: relative;
    padding: 6rem 1.5rem;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.15), transparent 60%),
                radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.05), transparent 50%);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
    overflow: hidden;
}

.hero-content {
    max-width: 750px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.hero-btn {
    padding: 0.9rem 2.25rem;
}

/* Catalog Filter Bar */
.catalog-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
}

.controls-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.search-form {
    display: flex;
    flex: 1;
    max-width: 450px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 0.75rem 1.25rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
}

.search-input:focus {
    outline: none;
}

.search-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0 1.25rem;
    cursor: pointer;
}

.search-btn:hover {
    color: var(--text-primary);
}

.sort-select {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    padding: 0.75rem 1.25rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
}

.sort-select:focus {
    border-color: var(--color-primary);
}

/* Category Tabs */
.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.category-tab {
    padding: 0.6rem 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.category-tab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.15);
}

.category-tab.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

/* Product Grid & Card Layout */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-lg);
}

.product-card-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%; /* 1:1 Aspect ratio box */
    background-color: rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.product-card-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-card-image {
    transform: scale(1.05);
}

.placeholder-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.02);
}

.product-category-tag {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.25rem 0.75rem;
    background: rgba(11, 15, 25, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.product-card-details {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-card-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.product-card-title a:hover {
    color: var(--color-primary);
}

.product-card-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex: 1;
}

.product-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.product-card-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.btn-add-cart-icon {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    transition: var(--transition-fast);
}

.btn-add-cart-icon:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

.out-of-stock-badge {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 0.35rem 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 5rem 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    max-width: 500px;
    margin: 2rem auto;
}

.empty-state-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.empty-state h3 {
    font-size: 1.35rem;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

/* Product Detail Page */
.detail-container {
    padding-top: 2rem;
}

.back-navigation {
    margin-bottom: 2rem;
}

.btn-back {
    color: var(--text-secondary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-back:hover {
    color: var(--text-primary);
}

.product-detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.product-main-image-wrapper {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    padding-top: 100%; /* 1:1 Aspect ratio */
    position: relative;
}

.product-main-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info-panel {
    padding: 1rem 0;
}

.product-category-pill {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 1rem;
}

.product-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.product-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.product-description {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin: 1.5rem 0;
}

.product-meta-list {
    margin-bottom: 2rem;
}

.product-meta-item {
    font-size: 0.95rem;
}

.meta-label {
    color: var(--text-muted);
    font-weight: 500;
    margin-right: 0.5rem;
}

.meta-value {
    font-weight: 600;
}

.stock-in { color: var(--color-accent); }
.stock-low { color: #f59e0b; }
.stock-out { color: var(--color-danger); }

/* Quantity inputs */
.purchase-controls {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.quantity-selector-wrapper {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.quantity-selector-wrapper label {
    margin-bottom: 0;
}

.quantity-input-group {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    overflow: hidden;
}

.qty-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    width: 38px;
    height: 38px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.qty-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.qty-input {
    border: none;
    background: transparent;
    color: var(--text-primary);
    width: 45px;
    text-align: center;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
}

.qty-input:focus {
    outline: none;
}

/* Hide spin buttons */
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.features-list {
    margin-top: 3rem;
    display: grid;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
}

.feature-icon {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-top: 0.25rem;
}

.feature-item h5 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.feature-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Shopping Cart View */
.cart-page-container {
    max-width: 1100px;
}

.page-title {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 2rem;
    letter-spacing: -0.01em;
}

.cart-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 2.5rem;
    align-items: start;
}

.cart-layout.cart-empty-state {
    grid-template-columns: 1fr;
}

.cart-items-list {
    display: grid;
    gap: 1.25rem;
}

.cart-item-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    transition: var(--transition-smooth);
}

.cart-item-image-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.cart-item-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-details {
    flex: 1;
}

.cart-item-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.cart-item-title a:hover {
    color: var(--color-primary);
}

.cart-item-category {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.cart-item-price-unit {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.cart-item-quantity {
    display: flex;
    justify-content: center;
}

.cart-item-subtotal {
    text-align: right;
    min-width: 100px;
}

.subtotal-label {
    display: none; /* Mob only */
}

.subtotal-amount {
    font-size: 1.15rem;
    font-weight: 700;
}

.btn-remove-item {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: var(--transition-fast);
}

.btn-remove-item:hover {
    color: var(--color-danger);
    background: rgba(239, 68, 68, 0.08);
}

/* Cart Summary Card */
.cart-summary-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.75rem;
}

.summary-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.summary-rows {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.summary-row span:last-child {
    font-weight: 600;
    color: var(--text-primary);
}

.summary-divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem 0;
}

.summary-row.total-row {
    font-size: 1.15rem;
    color: var(--text-primary);
}

.summary-row.total-row span:last-child {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-accent);
}

.btn-checkout {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.auth-notice-cart {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 1rem;
    text-align: center;
    line-height: 1.4;
}

.cart-empty-message {
    text-align: center;
    padding: 5rem 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    max-width: 600px;
    margin: 2rem auto;
}

.cart-empty-message .empty-icon {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.cart-empty-message h2 {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.cart-empty-message p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.5;
}

/* Secure Checkout Layout */
.checkout-container {
    max-width: 1100px;
}

.checkout-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 3rem;
    align-items: start;
}

.checkout-form-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
}

.form-section-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 2rem 0;
}

.input-icon-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.btn-place-order {
    margin-top: 2rem;
    background-color: var(--color-accent);
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-place-order:hover:not(:disabled) {
    background-color: var(--color-accent-hover);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.hidden {
    display: none !important;
}

/* Checkout Summary Side panel */
.checkout-summary-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.75rem;
    position: sticky;
    top: 95px;
}

.checkout-items-list {
    display: grid;
    gap: 1rem;
    max-height: 250px;
    overflow-y: auto;
    margin-bottom: 1.5rem;
    padding-right: 0.5rem;
}

/* Custom scrollbar */
.checkout-items-list::-webkit-scrollbar {
    width: 6px;
}
.checkout-items-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.checkout-item-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.checkout-item-details {
    display: flex;
    flex-direction: column;
}

.checkout-item-name {
    font-weight: 500;
}

.checkout-item-qty {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.checkout-item-price {
    font-weight: 600;
}

/* Order Confirmation Screen */
.confirmation-container {
    max-width: 680px;
    padding-top: 4rem;
}

.success-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.success-icon-wrapper {
    font-size: 4.5rem;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    display: inline-block;
}

.animate-checkmark {
    animation: scaleCheckmark 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes scaleCheckmark {
    0% { transform: scale(0); }
    100% { transform: scale(1); }
}

.confirmation-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.confirmation-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    max-width: 500px;
    margin: 0 auto 2rem;
}

.order-ref-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: monospace;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 3rem;
}

/* Step tracker */
.tracker-wrapper {
    position: relative;
    max-width: 500px;
    margin: 0 auto 3rem;
    padding: 0 1rem;
}

.tracker-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.tracker-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.step-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #1e293b;
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: transparent;
    transition: var(--transition-fast);
}

.step-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
}

.tracker-step.completed .step-dot {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

.tracker-step.completed .step-label {
    color: var(--text-primary);
}

.tracker-step.active .step-dot {
    border-color: var(--color-primary);
    background: var(--bg-main);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.4);
}

.tracker-step.active .step-label {
    color: var(--color-primary);
}

.tracker-progress-line {
    position: absolute;
    top: 11px;
    left: 2.5rem;
    right: 2.5rem;
    height: 2px;
    background: #1e293b;
    z-index: 1;
}

.progress-bar-fill {
    height: 100%;
    background: var(--color-accent);
    transition: width 0.5s ease;
}

.invoice-container {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: left;
    max-width: 500px;
    margin: 0 auto 2rem;
}

.invoice-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.invoice-items {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.invoice-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.invoice-divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 0.75rem 0;
}

.invoice-row.sub-row {
    color: var(--text-secondary);
}

.invoice-row.total-row {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-accent);
}

.delivery-address-box {
    text-align: left;
    max-width: 500px;
    margin: 0 auto 3rem;
    border-left: 3px solid var(--color-primary);
    padding-left: 1rem;
}

.delivery-address-box h4 {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.delivery-address-box p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.action-buttons-wrapper {
    display: flex;
    justify-content: center;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.action-buttons-wrapper a {
    flex: 1;
}

/* User Account Auth forms */
.auth-container {
    max-width: 480px;
    padding-top: 4rem;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.auth-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.auth-tab {
    flex: 1;
    background: transparent;
    border: none;
    padding: 1.25rem 1rem;
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.auth-tab:hover {
    color: var(--text-primary);
}

.auth-tab.active {
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
}

.auth-form-panel {
    padding: 2.5rem 2rem;
    animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.auth-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.auth-submit-btn {
    margin-top: 1.5rem;
}

/* Profile / Dashboard View */
.profile-container {
    max-width: 1100px;
}

.profile-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    align-items: start;
}

.profile-sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
}

.user-avatar-wrapper {
    margin: 0 auto 1.5rem;
    width: 80px;
    height: 80px;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, #a78bfa 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.profile-username {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.profile-email, .profile-join-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.profile-join-date {
    color: var(--text-muted);
}

.logout-link {
    margin-top: 1rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.orders-list {
    display: grid;
    gap: 1rem;
}

.order-history-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.order-header {
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.order-header:hover {
    background: rgba(255, 255, 255, 0.02);
}

.order-summary-left {
    display: flex;
    flex-direction: column;
}

.order-id {
    font-weight: 700;
    font-size: 1rem;
}

.order-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.order-summary-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.order-total {
    font-weight: 700;
    font-size: 1.1rem;
}

.order-status-badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
}

.order-status-badge.pending {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.order-status-badge.paid {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-accent);
}

.order-status-badge.shipped {
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
}

.order-status-badge.delivered {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-accent);
}

.accordion-arrow {
    color: var(--text-muted);
    transition: transform 0.3s ease;
}

.accordion-arrow.rotated {
    transform: rotate(180deg);
}

.order-details-body {
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.15);
    border-top: 1px solid var(--border-color);
    animation: slideIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.order-shipping-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    background: rgba(255, 255, 255, 0.02);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.order-items-grid {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.order-item-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    padding: 0.5rem 0;
    border-bottom: 1px dashed var(--border-color);
}

.order-item-row:last-child {
    border-bottom: none;
}

.order-item-info {
    display: flex;
    flex-direction: column;
}

.item-name {
    font-weight: 500;
}

.item-qty {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.item-price {
    font-weight: 600;
}

.order-actions {
    display: flex;
    justify-content: flex-end;
}

.btn-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

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

.empty-orders-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

.empty-orders-state .empty-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.empty-orders-state h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.empty-orders-state p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 450px;
    margin: 0 auto 1.5rem;
}

/* Footer Section */
.footer {
    background-color: #080c14;
    border-top: 1px solid var(--border-color);
    padding: 4rem 1.5rem 2rem;
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 300px;
}

.footer-links h4, .footer-info h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.footer-links ul {
    list-style: none;
    display: grid;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.socials {
    display: flex;
    gap: 1rem;
}

.socials a {
    font-size: 1.2rem;
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
}

.socials a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Responsive Rules */
@media (max-width: 968px) {
    .product-detail-layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .cart-layout, .checkout-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .checkout-summary-panel {
        position: static;
    }
    
    .profile-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2.25rem;
    }
    
    .cart-item-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .cart-item-quantity {
        justify-content: flex-start;
        width: 100%;
    }
    
    .cart-item-subtotal {
        display: flex;
        justify-content: space-between;
        width: 100%;
        border-top: 1px dashed var(--border-color);
        padding-top: 0.75rem;
        text-align: left;
    }
    
    .subtotal-label {
        display: block;
        color: var(--text-muted);
        font-weight: 500;
    }
    
    .btn-remove-item {
        position: absolute;
        top: 1rem;
        right: 1rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
}

/* Badge pop micro-animation */
@keyframes pop {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}
.cart-count-badge.animate-pop {
    animation: pop 0.3s ease-in-out;
}