/* ============================================
   LaserCraft - Main Stylesheet
   ============================================ */

/* CSS Variables */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --text-color: #334155;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-color);
    color: var(--text-color);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

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

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background: #475569;
}

.btn-block {
    display: flex;
    width: 100%;
    justify-content: center;
}

/* Top Bar */
.top-bar {
    background: var(--dark-color);
    color: white;
    padding: 8px 0;
    font-size: 14px;
}

.top-bar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.top-contact {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    transition: color 0.3s ease;
}

.top-contact:hover {
    color: var(--accent-color);
}

.top-contact i {
    color: var(--accent-color);
}

.top-address {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #cbd5e1;
}

.top-address i {
    color: var(--accent-color);
}

/* Header */
.main-header {
    background: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.main-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 28px;
}

.main-nav {
    display: flex;
    gap: 30px;
}

.main-nav a {
    color: var(--text-color);
    font-weight: 500;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-box {
    display: flex;
    background: var(--light-color);
    border-radius: var(--radius);
    overflow: hidden;
}

.search-box input {
    border: none;
    padding: 10px 15px;
    background: transparent;
    width: 200px;
    font-size: 14px;
}

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

.search-box button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.search-box button:hover {
    background: var(--primary-dark);
}

.cart-icon {
    position: relative;
    cursor: pointer;
    font-size: 20px;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.cart-icon:hover {
    color: var(--primary-color);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--danger-color);
    color: white;
    font-size: 12px;
    font-weight: 600;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-link {
    color: var(--secondary-color);
    font-size: 18px;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 100px 20px;
    text-align: center;
    color: white;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 30px;
}

/* Section Styles */
.section-title {
    font-size: 32px;
    text-align: center;
    margin-bottom: 40px;
    color: var(--dark-color);
}

.section-desc {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 30px;
    margin-top: -30px;
}

/* Categories Section */
.categories-section {
    padding: 80px 0;
    background: white;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.category-card {
    background: var(--light-color);
    padding: 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.category-card i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.category-card h3 {
    margin-bottom: 8px;
    color: var(--dark-color);
}

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

/* Color Filter Section */
.filter-section {
    padding: 60px 0;
    background: var(--dark-color);
    color: white;
}

.filter-section .section-title {
    color: white;
}

.filter-section .section-desc {
    color: rgba(255, 255, 255, 0.7);
}

.color-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.color-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.color-btn:hover {
    transform: scale(1.1);
}

.color-btn.active {
    border-color: white;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}

.custom-color {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    color: rgba(255, 255, 255, 0.8);
}

.custom-color input[type="color"] {
    width: 50px;
    height: 40px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
}

/* Designs Section */
.designs-section {
    padding: 80px 0;
}

.designs-filters {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.designs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.design-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.design-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.design-preview {
    position: relative;
    height: 220px;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.design-preview canvas {
    max-width: 100%;
    max-height: 100%;
}

.design-preview .preview-placeholder {
    color: var(--text-muted);
    text-align: center;
}

.design-preview .preview-placeholder i {
    font-size: 48px;
    margin-bottom: 10px;
}

.design-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.design-card:hover .design-overlay {
    opacity: 1;
}

.design-overlay button {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: none;
    background: white;
    color: var(--dark-color);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
}

.design-overlay button:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.design-info {
    padding: 20px;
}

.design-info h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.design-info .category-tag {
    display: inline-block;
    padding: 4px 10px;
    background: var(--light-color);
    border-radius: 15px;
    font-size: 12px;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.design-info .price {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
}

.loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px;
    color: var(--text-muted);
}

.loading i {
    font-size: 40px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 30px;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: var(--dark-color);
}

/* DXF Viewer Modal */
.viewer-modal {
    max-width: 900px;
}

.viewer-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 30px;
}

.viewer-left {
    background: #f1f5f9;
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.viewer-left canvas {
    max-width: 100%;
    max-height: 100%;
}

.viewer-right h2 {
    color: var(--dark-color);
    margin-bottom: 10px;
}

.viewer-right > p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.viewer-details {
    margin-bottom: 20px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-row span:first-child {
    color: var(--text-muted);
}

.detail-row .price {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 18px;
}

.viewer-colors h3 {
    font-size: 14px;
    margin-bottom: 10px;
    color: var(--text-muted);
}

.color-options {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.viewer-color-btn {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.viewer-color-btn:hover,
.viewer-color-btn.active {
    border-color: var(--dark-color);
    transform: scale(1.1);
}

.viewer-colors input[type="color"] {
    width: 100%;
    height: 35px;
    border: none;
    border-radius: var(--radius);
    margin-top: 10px;
}

.viewer-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
}

/* ============================================
   Advanced 3D Viewer Styles
   ============================================ */

.viewer-modal-advanced {
    max-width: 1100px;
}

.viewer-modal-advanced .viewer-container {
    grid-template-columns: 1fr 320px;
}

.viewer-modal-advanced .viewer-left {
    flex-direction: column;
    padding: 0;
    overflow: hidden;
    position: relative;
    min-height: 500px;
}

.viewer-controls-bar {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 15px;
    background: #1e293b;
    width: 100%;
    flex-wrap: wrap;
}

.view-mode-toggle {
    display: flex;
    background: rgba(255,255,255,0.1);
    border-radius: 6px;
    overflow: hidden;
}

.view-mode-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: #94a3b8;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.view-mode-btn:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.view-mode-btn.active {
    background: var(--primary-color);
    color: #fff;
}

.view-angle-btns {
    display: flex;
    gap: 5px;
}

.view-angle-btns button {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255,255,255,0.1);
    color: #94a3b8;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-angle-btns button:hover {
    background: rgba(255,255,255,0.2);
    color: #fff;
}

.extrude-control {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #94a3b8;
    font-size: 13px;
}

.extrude-control input[type="range"] {
    width: 80px;
    height: 4px;
    cursor: pointer;
}

.extrude-control span {
    min-width: 20px;
    color: #fff;
    font-weight: 600;
}

.reset-view-btn {
    margin-left: auto;
    padding: 8px 12px;
    border: none;
    background: rgba(255,255,255,0.1);
    color: #94a3b8;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.reset-view-btn:hover {
    background: rgba(255,255,255,0.2);
    color: #fff;
}

.viewer-modal-advanced #dxfCanvas,
.viewer-modal-advanced #viewer3DContainer {
    flex: 1;
    width: 100%;
    background: #f1f5f9;
}

.viewer-modal-advanced #dxfCanvas {
    display: block;
}

.viewer-instructions {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(30, 41, 59, 0.85);
    color: #94a3b8;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    pointer-events: none;
}

.viewer-instructions i {
    color: var(--primary-color);
}

/* 3D Viewer Canvas Styling */
#viewer3DContainer canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

/* Responsive for Advanced Viewer */
@media (max-width: 900px) {
    .viewer-modal-advanced {
        max-width: 95%;
    }
    
    .viewer-modal-advanced .viewer-container {
        grid-template-columns: 1fr;
    }
    
    .viewer-modal-advanced .viewer-left {
        min-height: 350px;
    }
    
    .viewer-controls-bar {
        justify-content: center;
    }
    
    .reset-view-btn {
        margin-left: 0;
    }
}

/* Cart Sidebar */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100%;
    background: white;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.2);
    z-index: 1001;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

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

.cart-header h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark-color);
}

.close-cart {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-muted);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.cart-item {
    display: flex;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.cart-item-preview {
    width: 80px;
    height: 80px;
    background: var(--light-color);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cart-item-preview canvas {
    max-width: 100%;
    max-height: 100%;
}

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

.cart-item-info h4 {
    color: var(--dark-color);
    margin-bottom: 5px;
}

.cart-item-info .price {
    color: var(--primary-color);
    font-weight: 600;
}

.remove-item {
    background: none;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    font-size: 16px;
    padding: 5px;
    transition: transform 0.3s ease;
}

.remove-item:hover {
    transform: scale(1.2);
}

.cart-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 40px;
}

.cart-empty i {
    font-size: 48px;
    margin-bottom: 15px;
}

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

.cart-total {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 18px;
    font-weight: 600;
}

.cart-total span:last-child {
    color: var(--primary-color);
}

/* Checkout Modal */
.checkout-modal {
    max-width: 600px;
}

.checkout-modal h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
    color: var(--dark-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.order-summary {
    background: var(--light-color);
    padding: 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.order-summary h3 {
    margin-bottom: 15px;
    color: var(--dark-color);
}

.order-summary-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.order-total {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 2px solid var(--border-color);
    font-size: 18px;
    font-weight: 700;
}

.order-total span:last-child {
    color: var(--primary-color);
}

/* Success Modal */
.success-modal {
    text-align: center;
    padding: 40px;
}

.success-icon {
    font-size: 80px;
    color: var(--success-color);
    margin-bottom: 20px;
}

.success-modal h2 {
    margin-bottom: 15px;
    color: var(--dark-color);
}

.success-modal p {
    color: var(--text-muted);
    margin-bottom: 10px;
}

.order-number {
    font-weight: 600;
    color: var(--dark-color);
    margin-top: 15px;
    margin-bottom: 25px;
}

/* Overlay */
.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.overlay.active {
    display: block;
}

/* About Section */
.about-section {
    padding: 80px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-color);
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
}

.features-list li i {
    color: var(--success-color);
}

.about-image .image-placeholder {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    height: 350px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image .image-placeholder i {
    font-size: 120px;
    color: rgba(255, 255, 255, 0.3);
}

/* Contact Section */
.contact-section {
    padding: 80px 0;
    background: var(--light-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    padding: 30px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 0;
}

.info-item i {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.contact-form {
    background: white;
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 15px;
    font-size: 14px;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Footer */
.main-footer {
    background: var(--dark-color);
    color: white;
    padding: 30px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
}

.footer-logo i {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 992px) {
    .viewer-container {
        grid-template-columns: 1fr;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .main-header .container {
        flex-wrap: wrap;
    }
    
    .main-nav {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 15px;
        gap: 15px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .cart-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .search-box {
        display: none;
    }
}

@media (max-width: 480px) {
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .designs-grid {
        grid-template-columns: 1fr;
    }
    
    .main-nav {
        gap: 10px;
        font-size: 14px;
    }
}