/* Mercedes-Benz Inspired Design - Clean, Premium, Modern */
:root {
    --black: #000000;
    --near-black: #141414;
    --dark-gray: #1a1a1a;
    --medium-gray: #333333;
    --silver: #999999;
    --light-silver: #cccccc;
    --white: #ffffff;
    --off-white: #f4f4f4;
    --accent: #00adef;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Dark mode (default) */
    --bg-primary: #000000;
    --bg-secondary: #141414;
    --bg-tertiary: #1a1a1a;
    --input-bg: #1a1a1a;
    --input-focus-bg: #333333;
    --text-primary: #ffffff;
    --text-secondary: #999999;
    --border-color: rgba(255, 255, 255, 0.1);
    --btn-bg: #ffffff;
    --btn-text: #000000;
    --btn-hover: #999999;
    
    /* Footer (contrasting - light in dark mode) */
    --footer-bg: #f5f5f5;
    --footer-border: rgba(0, 0, 0, 0.1);
    --footer-text-primary: #000000;
    --footer-text-secondary: #666666;
    --footer-text-tertiary: #999999;
    --footer-hover-bg: #e0e0e0;
}

/* Light mode */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #ebebeb;
    --input-bg: #ffffff;
    --input-focus-bg: #f0f0f0;
    --text-primary: #000000;
    --text-secondary: #666666;
    --border-color: rgba(0, 0, 0, 0.15);
    --btn-bg: #000000;
    --btn-text: #ffffff;
    --btn-hover: #333333;
    
    /* Footer (contrasting - dark in light mode) */
    --footer-bg: #1a1a1a;
    --footer-border: rgba(255, 255, 255, 0.1);
    --footer-text-primary: #ffffff;
    --footer-text-secondary: #999999;
    --footer-text-tertiary: #666666;
    --footer-hover-bg: #333333;
}

/* Fixed Cart Button - Top Right */
.cart-btn-fixed {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 999;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 1.125rem;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Price with Currency Selector */
.price-with-currency {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.currency-select {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 400;
    cursor: pointer;
    padding: 0;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' fill='%23999' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right center;
    padding-right: 1rem;
}

.currency-select:hover {
    color: var(--text-primary);
}

.currency-select:focus {
    outline: none;
    color: var(--text-primary);
}

.currency-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.cart-btn-fixed:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-secondary);
    transform: scale(1.05);
}

.cart-btn-fixed .cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--accent);
    color: white;
    font-size: 0.625rem;
    font-weight: 600;
    min-width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
    font-weight: 300;
    letter-spacing: 0.02em;
    -webkit-font-smoothing: antialiased;
    transition: background var(--transition), color var(--transition);
}

/* Theme Toggle Slider */
.theme-toggle-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.theme-slider {
    display: flex;
    align-items: center;
    position: relative;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0;
    padding: 0.25rem;
    cursor: pointer;
    gap: 0;
}

.theme-option {
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    transition: color var(--transition);
    z-index: 1;
    position: relative;
}

.theme-slider-knob {
    position: absolute;
    top: 0.25rem;
    left: 0.25rem;
    width: calc(50% - 0.25rem);
    height: calc(100% - 0.5rem);
    background: var(--btn-bg);
    transition: transform var(--transition);
    z-index: 0;
}

/* Dark mode (default) - knob on right (Dark) */
.theme-slider-knob {
    transform: translateX(100%);
}

.theme-dark {
    color: var(--btn-text);
}

/* Light mode - knob on left (Light) */
[data-theme="light"] .theme-slider-knob {
    transform: translateX(0);
}

[data-theme="light"] .theme-light {
    color: var(--btn-text);
}

[data-theme="light"] .theme-dark {
    color: var(--text-secondary);
}

.theme-slider:hover {
    border-color: var(--text-secondary);
}

.theme-toggle {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.theme-toggle:hover {
    background: var(--btn-bg);
    color: var(--btn-text);
    border-color: var(--btn-bg);
}

#theme-icon-light {
    display: none;
}

#theme-icon-dark {
    display: block;
}

[data-theme="light"] #theme-icon-light {
    display: block;
}

[data-theme="light"] #theme-icon-dark {
    display: none;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 300;
    letter-spacing: 0.05em;
}

h1 {
    font-size: 1.75rem;
    font-weight: 200;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-primary);
}

h2 {
    font-size: 0.75rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
}

.subtitle {
    font-size: 0.6875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.25em;
    font-weight: 400;
}

.welcome-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    line-height: 1.6;
    max-width: 280px;
    font-style: italic;
    opacity: 0.85;
}

/* Main Container */
.container {
    display: grid;
    grid-template-columns: 300px 1fr 320px;
    min-height: 100vh;
}

@media (max-width: 1200px) {
    .container {
        grid-template-columns: 1fr;
    }
}

/* Mobile Step Navigation - Hidden on desktop */
.mobile-step-nav {
    display: none;
}

.desktop-only {
    display: block;
}

/* Step navigation buttons - hidden on desktop */
.step-nav-buttons {
    display: none;
}

/* Mobile step class - hide on desktop, only show on mobile */
.mobile-step {
    display: none;
}

/* Mobile Layout */
@media (max-width: 768px) {
    .mobile-step-nav {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
        background: var(--bg-secondary);
        padding: 1rem 1.5rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .step-header {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        margin-bottom: 0.75rem;
    }
    
    .step-counter {
        font-size: 1.25rem;
        font-weight: 600;
        color: var(--text-primary);
    }
    
    .step-title {
        font-size: 1.25rem;
        font-weight: 300;
        color: var(--text-primary);
    }
    
    .step-dots {
        display: flex;
        gap: 0.5rem;
    }
    
    .step-dot {
        flex: 1;
        height: 4px;
        background: var(--border-color);
        border-radius: 2px;
        cursor: pointer;
        transition: background var(--transition);
    }
    
    .step-dot.active {
        background: var(--accent);
    }
    
    .step-dot.completed {
        background: var(--accent);
    }
    
    .desktop-only {
        display: none !important;
    }
    
    /* Reorganize container for mobile - scrollable layout */
    .container {
        display: flex;
        flex-direction: column;
        min-height: 100vh;
        padding-top: 80px; /* Space for fixed step nav */
        padding-bottom: 80px; /* Space for fixed bottom nav */
    }
    
    /* Image section - NOT sticky, scrolls with content */
    .img {
        order: 1;
        position: relative;
        z-index: 50;
        background: var(--bg-primary);
        padding: 1rem;
        min-height: auto;
        flex-shrink: 0;
    }
    
    .img img {
        max-height: 35vh;
        width: auto;
    }
    
    /* Hide image rotation slider on mobile - use mobile step instead */
    .image-rotation-slider {
        display: none !important;
    }
    
    /* Hide nav-left panel entirely on mobile - content moved to options area */
    .nav-left {
        display: none !important;
    }
    
    /* Options panel - appears after image */
    .options {
        order: 2;
        background: transparent;
        border: none;
        padding: 0;
    }
    
    /* Mobile step container */
    .mobile-steps-container {
        order: 2;
        padding: 1rem 1.5rem;
        background: var(--bg-secondary);
    }
    
    /* Individual steps - always below image */
    .mobile-step {
        display: none;
        padding: 1.5rem;
        background: var(--bg-secondary);
        margin: 0 1rem 1rem;
        border: 1px solid var(--border-color);
        border-radius: 8px;
    }
    
    .mobile-step.active {
        display: block;
    }
    
    .mobile-step label {
        font-size: 0.875rem;
        margin-bottom: 1rem;
    }
    
    /* Step navigation buttons */
    .step-nav-buttons {
        display: flex;
        gap: 1rem;
        padding: 1rem 1.5rem;
        background: var(--bg-primary);
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        border-top: 1px solid var(--border-color);
        z-index: 100;
    }
    
    .step-nav-btn {
        flex: 1;
        padding: 1rem;
        font-size: 0.75rem;
        font-weight: 500;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        border: 1px solid var(--border-color);
        background: var(--bg-secondary);
        color: var(--text-primary);
        cursor: pointer;
        transition: all var(--transition);
    }
    
    .step-nav-btn:hover {
        background: var(--btn-bg);
        color: var(--btn-text);
        border-color: var(--btn-bg);
    }
    
    .step-nav-btn.primary {
        background: var(--btn-bg);
        color: var(--btn-text);
        border-color: var(--btn-bg);
    }
    
    .step-nav-btn:disabled {
        opacity: 0.3;
        cursor: not-allowed;
    }
    
    /* Hide merch promo and order button on mobile steps */
    .merch-promo,
    #order-btn {
        display: none;
    }
    
    /* Cart button adjustment */
    .cart-btn-fixed {
        top: auto;
        bottom: 5rem;
        right: 1rem;
        background: var(--accent);
        border-color: var(--accent);
        color: white;
        box-shadow: 0 4px 16px rgba(232, 121, 59, 0.4);
    }
    
    .cart-btn-fixed:hover {
        background: var(--accent-hover);
        border-color: var(--accent-hover);
    }
    
    /* Add padding at bottom for fixed nav */
    .options {
        padding-bottom: 5rem;
    }
}

/* Left Panel */
.nav-left {
    background: var(--bg-secondary);
    padding: 2rem 2rem 3rem;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: background var(--transition), border-color var(--transition);
}

.nav-left h1 {
    text-align: center;
    margin-bottom: 0.5rem;
}

.nav-left .subtitle {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

/* Control Groups */
.control-group {
    margin-bottom: 2.5rem;
}

.control-group > label {
    display: block;
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Bumper Control */
.bumper-control {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
}

.bumper-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color var(--transition);
}

.bumper-label.active {
    color: var(--text-primary);
}

.bumper-control input[type="range"] {
    flex: 1;
}

/* Range Slider */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 1px;
    background: var(--text-secondary);
    cursor: pointer;
    border: none;
    outline: none;
}

input[type="range"]::-webkit-slider-runnable-track {
    height: 1px;
    background: var(--text-secondary);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: transform var(--transition);
    margin-top: -7.5px;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

input[type="range"]::-moz-range-track {
    height: 1px;
    background: var(--text-secondary);
    border: none;
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--text-primary);
    border-radius: 50%;
    border: none;
    cursor: pointer;
}

/* Roof Buttons */
.btn-group-vertical {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--border-color);
}

.btn-roof {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--bg-secondary);
    border: none;
    border-left: 3px solid transparent;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 400;
    font-family: inherit;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all var(--transition);
    text-align: left;
}

.btn-roof:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-roof.btn-roof-active {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-left: 3px solid var(--text-primary);
}

.btn-roof i {
    width: 1.25rem;
    text-align: center;
    font-size: 0.875rem;
    opacity: 0.7;
}

.btn-roof.btn-roof-active i {
    opacity: 1;
}

/* Image Display */
.img {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
    transition: background var(--transition);
}

[data-theme="light"] .img {
    background: linear-gradient(180deg, #f0f0f0 0%, #e5e5e5 50%, #f0f0f0 100%);
}

.img img {
    max-width: 90%;
    max-height: 80vh;
    object-fit: contain;
    transition: transform var(--transition-slow);
}

.img img:hover {
    transform: scale(1.02);
}

/* Arrow Buttons */
#arrow-left, #arrow-right {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition);
    z-index: 10;
}

#arrow-left {
    left: 2rem;
}

#arrow-right {
    right: 2rem;
}

#arrow-left:hover, #arrow-right:hover {
    background: var(--btn-bg);
    border-color: var(--btn-bg);
    color: var(--btn-text);
}

/* Image Rotation Slider - Premium Design */
.image-rotation-slider {
    position: absolute;
    bottom: 12rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    width: 60%;
    background: transparent;
    border: none;
    border-radius: 50px;
    padding: 0.625rem 2rem;
    transition: all var(--transition);
}

[data-theme="light"] .image-rotation-slider {
    background: transparent;
    border: none;
}

.image-rotation-slider:hover {
    /* No hover effect needed */
}

[data-theme="light"] .image-rotation-slider:hover {
    /* No hover effect needed */
}

.rotation-slider-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.rotation-angle-value {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.75rem;
    min-width: 2.5rem;
    text-align: center;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Vehicle Specifications Section */
.vehicle-specs {
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.specs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding: 0.5rem 0;
    transition: all var(--transition);
}

.specs-header:hover {
    opacity: 0.8;
}

.specs-header h3 {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.specs-header h3 i {
    font-size: 0.875rem;
    color: var(--accent);
}

.specs-toggle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: transform var(--transition);
}

.specs-toggle.collapsed {
    transform: rotate(-90deg);
}

.specs-content {
    max-height: 800px;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease;
    opacity: 1;
}

.specs-content.collapsed {
    max-height: 0;
    opacity: 0;
}

.specs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 1rem;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.625rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.spec-label {
    font-size: 0.6875rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.spec-value {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
    text-align: right;
}

.rotation-slider {
    flex: 1;
    width: 100%;
}

/* Right Panel - Options */
.options {
    background: var(--bg-secondary);
    padding: 3rem 2rem;
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: background var(--transition), border-color var(--transition);
    overflow-y: auto;
    max-height: 100vh;
    padding-bottom: 4rem;
}

.options h2 {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

/* Color Picker */
.color-picker {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    margin-bottom: 0.5rem;
}

.color-btn {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    flex-shrink: 0;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    position: relative;
    aspect-ratio: 1 / 1;
}

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

.color-btn.color-btn-selected {
    border-color: var(--text-primary);
}

#orange-color,
#orange-color-desktop {
    background: #c45c2c;
}

#green-color,
#green-color-desktop {
    background: #2d4a2d;
}

#grey-color,
#grey-color-desktop {
    background: #6b6b6b;
}

#green-white-color,
#green-white-color-desktop {
    background: #2d4a2d;
    overflow: hidden;
}

#green-white-color::before,
#green-white-color-desktop::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: var(--white);
    border-radius: 0 50% 50% 0;
}

#orange-white-color,
#orange-white-color-desktop {
    background: #d4a832;
    overflow: hidden;
}

#orange-white-color::before,
#orange-white-color-desktop::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: var(--white);
    border-radius: 0 50% 50% 0;
}

/* Angle Control */
.angle-control {
    margin: 2rem 0;
}

.angle-control > label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.angle-value {
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 400;
}

/* Buttons */
button, .btn {
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
}

#download {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--text-primary);
    font-size: 0.6875rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 0.75rem;
}

#download:hover {
    background: var(--btn-bg);
    color: var(--btn-text);
    border-color: var(--btn-bg);
}

/* Merch Promo */
.merch-promo {
    padding: 1.25rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
    text-align: center;
}

.merch-promo p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

#order-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--btn-bg);
    color: var(--btn-text);
    border: 1px solid var(--btn-bg);
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

#order-btn:hover {
    background: var(--btn-hover);
    border-color: var(--btn-hover);
}

#download-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    margin-top: 0.75rem;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: all var(--transition);
}

#download-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-secondary);
}

#download-btn i {
    font-size: 0.875rem;
}

/* Product Preview */
.product-preview {
    margin-bottom: 0;
    width: 100%;
}

.preview-images {
    display: none;
}

.preview-images img {
    width: 180px;
    height: 180px;
    object-fit: cover;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition);
    background: var(--bg-tertiary);
}

.preview-images img:hover {
    border-color: var(--text-primary);
    transform: scale(1.05);
}

.preview-images img.preview-active {
    border-color: var(--accent);
    border-width: 2px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    padding: 2rem;
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform var(--transition);
}

.modal.modal-wide {
    max-width: 700px;
}

.modal.modal-order {
    max-width: 1400px;
}

.modal-body-split {
    display: flex;
    gap: 2.5rem;
}

.modal-form-column {
    flex: 1;
    min-width: 0;
}

.modal-image-column {
    flex: 0 0 650px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 0;
}

/* Image Grid Layout */
.modal-image-grid {
    width: 100%;
    display: flex;
    flex-direction: row;
    gap: 0.75rem;
}

.modal-image-main {
    flex: 1;
    min-height: 420px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    transition: background-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.modal-image-main[data-fabric="white"] {
    background: #f5f5f5;
}

.modal-image-main[data-fabric="black"] {
    background: #1a1a1a;
}

.modal-image-main[data-fabric="neutral"] {
    background: var(--bg-tertiary);
}

.modal-image-main img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
}

/* Magnifier */
.modal-image-main {
    position: relative;
}

.magnifier-toggle {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    z-index: 10;
    font-size: 1rem;
}

.magnifier-toggle:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.magnifier-toggle.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.magnifier-lens {
    position: absolute;
    width: 180px;
    height: 120px;
    border: 2px solid var(--accent);
    border-radius: 4px;
    background-repeat: no-repeat;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease;
    z-index: 20;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.magnifier-lens.visible {
    opacity: 1;
    visibility: visible;
}

.magnifier-hint {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.modal-image-thumbnails {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 90px;
    flex-shrink: 0;
}

.modal-image-thumbnails img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition);
    background: var(--bg-tertiary);
}

.modal-image-thumbnails img:hover {
    border-color: var(--text-primary);
}

.modal-image-thumbnails img.active {
    border-color: var(--accent);
    border-width: 2px;
}

/* Available Prints Section */
.available-prints-section {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.available-prints-label {
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-tertiary);
    margin-bottom: 0.5rem;
}

.available-prints-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.available-print-item {
    position: relative;
    cursor: pointer;
    border: 2px solid var(--border-color);
    transition: all var(--transition);
    background: var(--bg-tertiary);
    overflow: hidden;
}

.available-print-item:hover {
    border-color: var(--text-primary);
}

.available-print-item.active {
    border-color: var(--accent);
}

.available-print-item img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    display: block;
}

.available-print-item .angle-badge {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 0.625rem;
    text-align: center;
    padding: 0.25rem;
    font-weight: 500;
}

.available-print-item.active .angle-badge {
    background: var(--accent);
    color: black;
}

/* Poster background preview styles */
.poster-bg-preview {
    width: 100%;
    aspect-ratio: 3/2;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
}

.poster-bg-preview img {
    width: 60%;
    height: auto;
    object-fit: contain;
}

.poster-bg-item {
    min-width: 80px;
}

.modal-product-image-wrapper {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    transition: background-color 0.3s ease;
}

.modal-product-image-wrapper[data-fabric="white"] {
    background: #f5f5f5;
}

.modal-product-image-wrapper[data-fabric="black"] {
    background: #1a1a1a;
}

.modal-product-image-wrapper[data-fabric="neutral"] {
    background: var(--bg-tertiary);
}

.modal-product-image-wrapper img {
    max-width: 100%;
    max-height: 470px;
    object-fit: contain;
}

.modal-image-caption {
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    margin-top: 1rem;
    text-align: center;
}

@media (max-width: 768px) {
    .modal-body-split {
        flex-direction: column-reverse;
    }
    
    .modal-image-column {
        flex: none;
        width: 100%;
    }
    
    .modal-product-image-wrapper img {
        max-height: 200px;
    }
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    border: none;
    padding: 0;
    margin: 0;
}

.modal-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 1.25rem;
}

.modal-close:hover {
    background: var(--text-primary);
    border-color: var(--text-primary);
    color: var(--bg-primary);
}

.modal-body {
    padding: 1.5rem 2rem;
}

/* Form */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-group label.required::after {
    content: ' *';
    color: var(--accent);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: inherit;
    font-weight: 300;
    transition: all var(--transition);
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="tel"]:hover,
input[type="number"]:hover,
select:hover {
    border-color: var(--text-secondary);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
select:focus {
    outline: none;
    border-color: var(--text-primary);
    background: var(--input-focus-bg);
}

input::placeholder {
    color: var(--text-secondary);
    font-weight: 300;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23999999'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='1' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
    cursor: pointer;
}

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

/* Fabric Color Picker */
.fabric-color-picker {
    display: flex;
    gap: 0.75rem;
}

.fabric-color-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
}

.fabric-color-btn:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.fabric-color-btn.selected {
    border-color: var(--text-primary);
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.fabric-swatch {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
}

.fabric-white .fabric-swatch {
    background: #ffffff;
}

.fabric-black .fabric-swatch {
    background: #1a1a1a;
    border-color: #333;
}

/* Section Titles */
.section-title {
    font-size: 0.5625rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
    margin: 2rem 0 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.product-type-group,
.variant-group {
    margin-bottom: 1.5rem;
}

.product-type-group label,
.variant-group label {
    display: block;
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

/* Price Display */
.price-display {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.price-label {
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
}

.price-value {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-primary);
    letter-spacing: 0.05em;
}

/* Shipping Note */
.shipping-note {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: right;
    margin: -1rem 0 1.5rem 0;
    font-style: italic;
}

/* Loading */
.loading-indicator {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    margin-bottom: 1.25rem;
}

.loading-spinner {
    width: 16px;
    height: 16px;
    border: 1px solid var(--border-color);
    border-top-color: var(--text-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* Checkout Info Message */
.checkout-info-message {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(0, 173, 239, 0.1);
    border: 1px solid rgba(0, 173, 239, 0.3);
    border-radius: 4px;
    margin-bottom: 1rem;
}

.checkout-info-message i {
    color: var(--accent);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.checkout-info-message p {
    font-size: 0.8125rem;
    color: var(--text-primary);
    line-height: 1.5;
    margin: 0;
}

.checkout-info-message strong {
    color: var(--accent);
}

/* Submit Button */
#submit-order,
#add-to-cart-btn {
    width: 100%;
    padding: 1.125rem;
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    background: var(--text-primary);
    color: var(--bg-primary);
    border: 1px solid var(--text-primary);
    cursor: pointer;
    transition: all var(--transition);
}

#submit-order:hover:not(:disabled),
#add-to-cart-btn:hover:not(:disabled) {
    background: var(--text-secondary);
    border-color: var(--text-secondary);
}

#submit-order:disabled,
#add-to-cart-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    margin-top: 1.25rem;
    font-size: 0.8125rem;
    font-weight: 300;
}

.alert-success {
    background: rgba(0, 173, 239, 0.1);
    border: 1px solid rgba(0, 173, 239, 0.3);
    color: var(--accent);
}

.alert-error {
    background: rgba(200, 60, 60, 0.1);
    border: 1px solid rgba(200, 60, 60, 0.3);
    color: #e06060;
}

/* Responsive */
@media (max-width: 1200px) {
    .container {
        grid-template-columns: 1fr;
    }
    
    .nav-left {
        order: 1;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 2rem;
    }
    
    .img {
        order: 2;
        min-height: 400px;
    }
    
    .options {
        order: 3;
        border-left: none;
        border-top: 1px solid var(--border-color);
        padding: 2rem;
    }
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .img {
        min-height: 300px;
    }
    
    .nav-left, .options {
        padding: 1.5rem;
    }
    
    h1 {
        font-size: 1.25rem;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-primary);
}

::selection {
    background: rgba(128, 128, 128, 0.3);
    color: var(--text-primary);
}

/* Cart Badge */
.cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--accent);
    color: white;
    font-size: 0.625rem;
    font-weight: 600;
    min-width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.theme-toggle {
    position: relative;
}

/* Cart Empty State */
.cart-empty {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-secondary);
}

.cart-empty i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.cart-empty p {
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.btn-secondary {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-secondary);
}

/* Cart Items */
.cart-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.cart-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

.cart-item-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border: 1px solid var(--border-color);
}

.cart-item-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.cart-item-title {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-primary);
}

.cart-item-variant {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.cart-item-price {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-top: auto;
}

.cart-item-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.cart-item-remove {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem;
    transition: color var(--transition);
}

.cart-item-remove:hover {
    color: #e06060;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cart-item-quantity button {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all var(--transition);
}

.cart-item-quantity button:hover {
    background: var(--bg-primary);
    border-color: var(--text-secondary);
}

.cart-item-quantity span {
    min-width: 24px;
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-primary);
}

/* Cart Summary */
.cart-summary {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
    background: var(--footer-bg);
    padding: 3rem 2rem 1.5rem;
    margin-top: 0;
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    max-width: 600px;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--footer-border) 20%, 
        var(--footer-text-tertiary) 50%, 
        var(--footer-border) 80%, 
        transparent 100%
    );
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--footer-text-primary);
    margin-bottom: 1rem;
}

.footer-section p {
    font-size: 0.875rem;
    color: var(--footer-text-secondary);
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--footer-text-secondary);
    text-decoration: none;
    transition: color var(--transition);
}

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

.footer-section i {
    margin-right: 0.5rem;
    width: 1rem;
    color: var(--footer-text-tertiary);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid var(--footer-border);
    color: var(--footer-text-secondary);
    font-size: 1.125rem;
    transition: all var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--footer-border);
}

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--footer-text-tertiary);
    letter-spacing: 0.05em;
}

/* Mobile Loading Screen */
.loading-screen {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 2rem;
}

@media (max-width: 768px) {
    .loading-screen {
        display: flex;
    }
    
    .loading-screen.hidden {
        display: none !important;
    }
}

.loading-content {
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
}

.loading-logo {
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.loading-tagline {
    font-size: 0.875rem;
    color: var(--text-secondary);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeIn 0.6s ease-out 0.5s forwards;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-progress {
    width: 200px;
    height: 2px;
    background: var(--border-color);
    border-radius: 1px;
    overflow: hidden;
}

.loading-progress-bar {
    height: 100%;
    background: var(--accent);
    width: 0%;
    animation: loadProgress 1.8s ease-out forwards;
}

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

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

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes loadProgress {
    0% {
        width: 0%;
    }
    50% {
        width: 60%;
    }
    100% {
        width: 100%;
    }
}

.loading-screen.fade-out {
    animation: fadeOut 0.5s ease-out forwards;
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
        visibility: hidden;
    }
}