/* Design System - Tech Net Express (Anota AI Clone) */
:root {
    --bg-main: #0b0f19;
    --bg-card: #151c2c;
    --bg-card-hover: #1e293b;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --accent: #10b981;
    --accent-glow: rgba(16, 185, 129, 0.2);
    --warning: #f59e0b;
    --danger: #ef4444;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #1e293b;
    --glass-bg: rgba(21, 28, 44, 0.85);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --shadow-glow: 0 8px 32px 0 rgba(37, 99, 235, 0.25);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    padding-bottom: 80px;
}

/* Header */
.store-header {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.store-logo {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: #fff;
    box-shadow: var(--shadow-glow);
}

.store-details h1 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.badge-status {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 20px;
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent);
    font-weight: 600;
}

.badge-status i {
    font-size: 8px;
}

.store-details p {
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 2px;
}

.store-subtext {
    font-size: 12px !important;
    opacity: 0.8;
}

.cart-trigger-btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    border: none;
    color: #fff;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    transition: all 0.2s ease;
    position: relative;
}

.cart-trigger-btn:hover {
    transform: translateY(-2px);
}

.cart-badge {
    background: var(--accent);
    color: #000;
    font-size: 12px;
    font-weight: 800;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Navigation Category Tabs */
.category-nav {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 96px;
    z-index: 90;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px;
    display: flex;
    gap: 10px;
    overflow-x: auto;
    scrollbar-width: none;
}

.nav-container::-webkit-scrollbar {
    display: none;
}

.nav-tab {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.nav-tab.active, .nav-tab:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

/* Upload Card (Anota AI Feature) */
.quick-upload-card {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
    border: 1px border-color var(--primary);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: center;
    margin-bottom: 40px;
}

.upload-card-content {
    display: flex;
    align-items: center;
    gap: 20px;
}

.upload-icon-box {
    width: 64px;
    height: 64px;
    background: rgba(37, 99, 235, 0.2);
    color: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
}

.upload-text-box h2 {
    font-family: var(--font-heading);
    font-size: 20px;
    margin-bottom: 4px;
}

.upload-text-box p {
    color: var(--text-muted);
    font-size: 14px;
}

.upload-dropzone {
    border: 2px dashed rgba(37, 99, 235, 0.4);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    background: rgba(15, 23, 42, 0.6);
    cursor: pointer;
    transition: all 0.2s ease;
}

.upload-dropzone:hover {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
}

.drop-icon {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 8px;
}

.upload-dropzone p {
    font-size: 14px;
    margin-bottom: 2px;
}

.upload-dropzone span {
    font-size: 12px;
    color: var(--text-muted);
}

/* Products Section */
.section-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.2s ease;
}

.product-card:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.4);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

.product-img-box {
    height: 160px;
    background: #0f172a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--primary);
}

.product-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    padding: 16px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
}

.product-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
    flex-grow: 1;
}

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

.product-price {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
}

.add-cart-btn {
    background: rgba(37, 99, 235, 0.15);
    color: var(--primary);
    border: 1px solid rgba(37, 99, 235, 0.3);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.add-cart-btn:hover {
    background: var(--primary);
    color: #fff;
}

/* Cart Drawer */
.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

.cart-drawer {
    position: fixed;
    top: 0;
    right: -420px;
    width: 400px;
    max-width: 90vw;
    height: 100vh;
    background: var(--bg-card);
    border-left: 1px solid var(--border-color);
    z-index: 210;
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.cart-drawer.active {
    right: 0;
}

.cart-drawer-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-drawer-header h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
}

.cart-drawer-body {
    padding: 20px;
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.empty-cart-view {
    text-align: center;
    margin: auto 0;
    color: var(--text-muted);
}

.empty-cart-view i {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.4;
}

.cart-item {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-item-info h4 {
    font-size: 14px;
    font-weight: 600;
}

.cart-item-info p {
    font-size: 12px;
    color: var(--text-muted);
}

.cart-item-price {
    font-weight: 700;
    color: var(--accent);
    font-size: 14px;
}

.remove-item-btn {
    background: transparent;
    border: none;
    color: var(--danger);
    cursor: pointer;
    padding: 4px;
}

.cart-drawer-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-main);
}

.summary-line {
    display: flex;
    justify-content: space-between;
    font-size: 16px;
    margin-bottom: 16px;
}

.summary-line strong {
    font-family: var(--font-heading);
    font-size: 20px;
    color: var(--accent);
}

.checkout-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--accent) 0%, #059669 100%);
    border: none;
    color: #000;
    padding: 14px;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.2s ease;
}

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

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(6px);
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.checkout-card, .success-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 480px;
    max-width: 90vw;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.checkout-card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkout-card-body {
    padding: 24px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.form-group input[type="text"],
.form-group input[type="tel"] {
    width: 100%;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 12px 14px;
    border-radius: var(--radius-md);
    color: #fff;
    font-family: var(--font-body);
    font-size: 14px;
    outline: none;
}

.form-group input:focus {
    border-color: var(--primary);
}

.radio-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.radio-card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 12px 14px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.radio-card.selected {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
}

.radio-content strong {
    display: block;
    font-size: 14px;
}

.radio-content span {
    font-size: 12px;
    color: var(--text-muted);
}

.checkout-total-box {
    background: var(--bg-main);
    border-radius: var(--radius-md);
    padding: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.checkout-total-box h2 {
    font-family: var(--font-heading);
    color: var(--accent);
}

.confirm-order-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    border: none;
    color: #fff;
    padding: 14px;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* Success Card */
.success-card {
    padding: 30px;
    text-align: center;
}

.success-icon {
    font-size: 54px;
    color: var(--accent);
    margin-bottom: 12px;
}

.order-details-box {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    margin: 20px 0;
    text-align: left;
    font-size: 13px;
}

.pay-now-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--accent);
    color: #000;
    font-weight: 700;
    padding: 14px;
    border-radius: var(--radius-md);
    text-decoration: none;
    margin-bottom: 10px;
    font-family: var(--font-heading);
}

.secondary-btn {
    width: 100%;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 10px;
    border-radius: var(--radius-md);
    cursor: pointer;
}

@media (max-width: 768px) {
    .quick-upload-card {
        grid-template-columns: 1fr;
    }
}