/* style.css - Design System & Modern E-commerce UI */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --primary-gradient: linear-gradient(135deg, #ff8a00, #e52e71);
    --secondary-gradient: linear-gradient(135deg, #00c6ff, #0072ff);
    --accent-color: #e52e71;
    
    /* Light Mode */
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    
    /* Constants */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Overrides */
[data-theme="dark"] {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
    transition: background-color var(--transition), color var(--transition);
    overflow-x: hidden;
}

/* --- Layout Components --- */

header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(var(--card-bg), 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

.search-bar {
    flex: 1;
    max-width: 600px;
    position: relative;
    display: flex;
    align-items: center;
}

.search-bar input {
    width: 100%;
    padding: 0.6rem 1rem 0.6rem 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-main);
    transition: var(--transition);
}

.search-bar i {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.nav-btn {
    background: none;
    border: none;
    color: var(--text-main);
    cursor: pointer;
    font-size: 1.25rem;
    position: relative;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: 50%;
}

.nav-btn:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

#user-display-name {
    font-size: 0.85rem;
    font-weight: 600;
    margin-left: 0.5rem;
    max-width: 100px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: none;
}

@media (max-width: 768px) {
    #user-display-name { display: none !important; }
}

.cart-count {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--accent-color);
    color: white;
    font-size: 0.7rem;
    font-weight: bold;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--card-bg);
}

/* --- Hero Section --- */

.hero {
    margin-top: 1.5rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
}

.hero-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0,0,0,0.7), transparent);
}

.hero-content {
    position: relative;
    padding: 3rem;
    color: white;
    max-width: 500px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.btn-primary {
    padding: 0.8rem 2rem;
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(229, 46, 113, 0.4);
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(229, 46, 113, 0.6);
}

/* --- Product Grid --- */

.section-title {
    margin: 3rem 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}

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

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-img-wrapper {
    position: relative;
    padding-top: 100%; /* 1:1 Aspect Ratio */
    overflow: hidden;
}

.product-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-img {
    transform: scale(1.1);
}

.product-info {
    padding: 1.25rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.product-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 1px;
}

.product-title {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-main);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 2.4em;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-top: auto;
}

.add-to-cart {
    width: 100%;
    padding: 0.75rem;
    margin-top: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.add-to-cart:hover {
    background: var(--accent-color);
    color: white;
}

/* --- Skeleton Loading --- */

.skeleton {
    background: linear-gradient(90deg, var(--border-color) 25%, var(--bg-color) 50%, var(--border-color) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* --- Toast Notification --- */

.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: var(--card-bg);
    color: var(--text-main);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid #10b981;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* --- Cart Page/Section --- */

.cart-section {
    display: none; /* Hidden by default */
    padding: 2rem 0;
}

.cart-container {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 2rem;
    align-items: start;
}

.cart-left {
    display: flex;
    flex-direction: column;
}

/* --- Form Styles --- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.form-group input, 
.form-group select {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-main);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus, 
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(229, 46, 113, 0.1);
}

.delivery-info {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: -0.5rem;
    margin-bottom: 0.75rem;
    display: block;
}

/* --- Payment Styles --- */
.payment-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.payment-card {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
    text-align: center;
}

.payment-card i {
    color: var(--text-muted);
    transition: var(--transition);
}

.payment-card span {
    font-size: 0.85rem;
    font-weight: 600;
}

.payment-card:hover {
    border-color: var(--accent-color);
    background: rgba(229, 46, 113, 0.05);
}

.payment-card.active {
    border-color: var(--accent-color);
    background: rgba(229, 46, 113, 0.1);
}

.payment-card.active i {
    color: var(--accent-color);
}

.sub-options {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-color);
    border-radius: var(--radius-md);
    animation: fadeIn 0.3s ease-out;
}

.sub-opt-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--card-bg);
    color: var(--text-main);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.sub-opt-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.bank-details-box {
    background: rgba(0, 198, 255, 0.05);
    border: 1px dashed var(--border-color);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.pass-toggle {
    position: absolute;
    right: 1rem;
    bottom: 0.75rem;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

.pass-toggle:hover {
    color: var(--accent-color);
}

/* --- Modal Styles --- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 3000;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    animation: fadeInModal 0.3s ease-out;
}

@keyframes fadeInModal {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--card-bg);
    width: 100%;
    max-width: 450px;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    position: relative;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.close-modal {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: none;
    border: none;
    font-size: 1.75rem;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
}

.auth-box h2 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    text-align: center;
}

.auth-box p {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.auth-link {
    font-size: 0.85rem;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

.auth-footer {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.auth-footer a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 700;
}

/* --- Summary Styles --- */
.cart-summary {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 2rem;
    border: 1px solid var(--border-color);
    height: fit-content;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
}

/* --- Cart Item Styles --- */
.cart-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cart-item {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: 1.5rem;
    padding: 1.25rem;
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    align-items: center;
    transition: var(--transition);
}

.cart-item:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-sm);
}

.cart-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    background: var(--bg-color);
}

.cart-item-info h4 {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--text-main);
}

.cart-item-info p {
    color: var(--accent-color);
    font-weight: 700;
    font-size: 0.95rem;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.75rem;
    background: var(--bg-color);
    width: fit-content;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.quantity-controls button {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: none;
    background: var(--card-bg);
    color: var(--text-main);
    cursor: pointer;
    font-weight: 700;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.quantity-controls button:hover {
    background: var(--accent-color);
    color: white;
}

.quantity-controls span {
    font-weight: 700;
    font-size: 0.9rem;
    min-width: 20px;
    text-align: center;
}

.remove-item {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.remove-item:hover {
    background: #ef4444;
    color: white;
    transform: rotate(90deg);
}

/* --- Order Action Buttons --- */
.order-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--border-color);
}

.btn-confirm {
    background: #10b981;
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.btn-confirm:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-refund {
    background: var(--bg-color);
    color: #ef4444;
    border: 1px solid #ef4444;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.btn-refund:hover {
    background: #ef4444;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.summary-total {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    font-weight: 700;
    font-size: 1.25rem;
}

/* --- Responsive --- */

@media (max-width: 992px) {
    .cart-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-actions span { display: none; }
    .hero h1 { font-size: 2rem; }
    .search-bar { max-width: none; }
}

/* --- Admin Dashboard Extra Styles --- */
.admin-tab.active {
    background: var(--primary-gradient) !important;
    color: white !important;
    border-color: transparent !important;
}

.action-btn {
    padding: 0.5rem 0.8rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.edit-btn {
    background: #3b82f6;
    color: white;
    margin-right: 0.5rem;
}

.delete-btn {
    background: #ef4444;
    color: white;
}

.action-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

#admin-section table th {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#admin-section table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

/* --- Chat Widget Styles --- */
.chat-widget {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 2500;
}

.chat-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--secondary-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 114, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
}

.chat-btn:hover {
    transform: scale(1.1) rotate(5deg);
}

.chat-window {
    position: absolute;
    bottom: 80px;
    left: 0;
    width: 350px;
    height: 500px;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.chat-header {
    background: var(--secondary-gradient);
    color: white;
    padding: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.message {
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: 18px;
    font-size: 0.85rem;
    line-height: 1.4;
}

.message.user {
    align-self: flex-end;
    background: var(--accent-color);
    color: white;
    border-bottom-right-radius: 4px;
}

.message.admin {
    align-self: flex-start;
    background: var(--bg-color);
    color: var(--text-main);
    border-bottom-left-radius: 4px;
    border: 1px solid var(--border-color);
}

.chat-footer {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.5rem;
}

.chat-footer input {
    flex: 1;
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-main);
}

/* --- Review Styles --- */
.star-rating {
    display: flex;
    gap: 0.25rem;
    color: #fbbf24;
}

.review-card {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 1.25rem;
}

.review-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
}

.review-content {
    flex: 1;
}

.review-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.review-name {
    font-weight: 700;
    font-size: 0.95rem;
}

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

.rating-input {
    display: flex;
    flex-direction: row-reverse;
    justify-content: center;
    gap: 0.5rem;
}

.rating-input input {
    display: none;
}

.rating-input label {
    font-size: 2rem;
    color: var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.rating-input label:hover,
.rating-input label:hover ~ label,
.rating-input input:checked ~ label {
    color: #fbbf24;
}

.order-review-btn {
    background: #10b981;
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    margin-top: 1rem;
    border: none;
}

/* --- Review Modal Specific --- */
.review-modal-content {
    max-width: 500px;
}

.product-review-summary {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-color);
    border-radius: var(--radius-md);
}