@font-face {
    font-family: 'Protrakt';
    src: url('/assets/web/fonts/Protrakt.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Eurostile';
    src: url('/assets/web/fonts/eurostile.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Protrakt Semi Bold Exp One';
    src: url('/assets/web/fonts/protrakt-semi-bold-exp-one.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

/* 
 * EMIT | BESPOKE ATELIER DESIGN SYSTEM (THE ATELIER OVERHAUL)
 * A high-end, luxury-focused implementation.
 */

:root {
    /* --- Color Palette: Obsidian Luxury --- */
    --color-obsidian: #0a0a0a;
    --color-charcoal: #1a1a1a;
    --color-gunmetal: #2a2a2a;
    --color-pearl: #e8e4de;
    --color-accent-pearl: #F2F0EF;
    --color-accent-pearl-glow: rgba(242, 240, 239, 0.6);
    --color-accent-pearl-muted: rgba(242, 240, 239, 0.3);
    --color-silver: #c0c0c0;
    --color-glass: rgba(10, 10, 10, 0.7);

    /* --- Typography --- */
    --font-primary: 'Protrakt Semi Bold Exp One', sans-serif;
    --font-accent: 'Protrakt Semi Bold Exp One', sans-serif; 
    
    --text-base: 16px;
    --text-sm: 14px;
    --text-xs: 12px;
    --text-lg: 1.25rem;
    --text-xl: 2rem;
    --text-2xl: 3rem;

    /* --- Spacing --- */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;

    /* --- Transitions --- */
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-luxury: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: cubic-bezier(0.4, 0, 0.2, 1.5);

    --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 10px 25px rgba(0,0,0,0.5);
    --shadow-lg: 0 20px 50px rgba(0,0,0,0.7);
    --shadow-accent-pearl-halo: 0 0 15px var(--color-accent-pearl-glow);
}

/* --- Model Picker (Initial View) --- */
.model-picker {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: var(--space-xl) var(--space-lg);
    min-height: 80vh;
    gap: var(--space-xl);
}

.picker-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    opacity: 0;
    animation: reveal 0.8s var(--transition-luxury) forwards;
}

.picker-headline {
    font-family: var(--font-accent);
    font-size: clamp(1.8rem, 4vw, 3rem);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent-pearl);
    margin: 0;
}

.picker-sub {
    font-size: var(--text-sm);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    opacity: 0.5;
    color: var(--color-pearl);
    margin: 0;
}

.picker-cards {
    display: flex;
    flex-direction: row;
    gap: var(--space-xl);
    justify-content: center;
    align-items: stretch;
    width: 100%;
    max-width: 960px;
    opacity: 0;
    animation: reveal 0.8s var(--transition-luxury) 0.2s forwards;
}

.model-card {
    flex: 1;
    max-width: 460px;
    background: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-accent-pearl-muted);
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.5s var(--transition-luxury);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg), inset 0 1px 1px rgba(255,255,255,0.05);
}

.model-card:hover {
    border-color: var(--color-accent-pearl);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), 0 0 30px var(--color-accent-pearl-glow);
}

.card-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--color-obsidian);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 1.2s var(--transition-luxury);
}

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

.card-body {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    flex: 1;
}

.card-body h3 {
    font-family: var(--font-accent);
    font-size: var(--text-lg);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent-pearl);
    margin: 0;
}

.card-tagline {
    font-size: var(--text-xs);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    opacity: 0.6;
    color: var(--color-pearl);
    margin: 0;
}

.card-specs {
    display: flex;
    gap: var(--space-md);
    margin: var(--space-sm) 0 var(--space-md) 0;
    flex-wrap: wrap;
}

.card-spec {
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    color: var(--color-pearl);
    padding: 4px 12px;
    border: 1px solid var(--color-accent-pearl-muted);
    border-radius: 20px;
    background: rgba(242, 240, 239, 0.05);
}

.btn-configure {
    margin-top: auto;
    padding: 14px 32px;
    font-family: var(--font-primary);
    font-size: var(--text-xs);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-obsidian);
    background: var(--color-accent-pearl);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.4s var(--transition-luxury);
    font-weight: 600;
}

.btn-configure:hover {
    background: var(--color-pearl);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent-pearl-halo);
}

.btn-configure:active {
    transform: scale(0.98);
}

/* --- Picker Footer --- */
.picker-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg) 0 0;
    opacity: 0;
    animation: reveal 0.8s var(--transition-luxury) 0.4s forwards;
}

.picker-footer img {
    opacity: 0.3;
}

.picker-footer p {
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--color-pearl);
    opacity: 0.3;
    margin: 0;
}

/* --- Configurator View (hidden until model chosen) --- */
.configurator-view {
    display: none;
    flex-direction: column;
    flex: 1;
}

/* --- App container states --- */
.app-container.show-picker .model-picker {
    display: flex;
}

.app-container.show-picker .configurator-view {
    display: none;
}

.app-container.show-config .model-picker {
    display: none;
}

.app-container.show-config .configurator-view {
    display: flex;
}

/* --- Configurator Footer --- */
.configurator-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: var(--space-lg) var(--space-md) var(--space-xl);
    text-align: center;
}

.configurator-footer img {
    opacity: 0.3;
}

.configurator-footer p {
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--color-pearl);
    opacity: 0.3;
    margin: 0;
}

/* --- Switch Model Button --- */
.header-top-row {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    gap: var(--space-md);
}

.header-spacer {
    width: 80px;
}

.switch-model-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-primary);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent-pearl-muted);
    background: none;
    border: 1px solid var(--color-accent-pearl-muted);
    border-radius: 20px;
    padding: 6px 16px 6px 12px;
    cursor: pointer;
    transition: all 0.3s var(--transition-smooth);
    opacity: 0.6;
}

.switch-model-btn:hover {
    opacity: 1;
    border-color: var(--color-accent-pearl);
    color: var(--color-accent-pearl);
    box-shadow: var(--shadow-accent-pearl-halo);
}

.switch-model-btn i {
    font-size: 10px;
}

/* --- Basic Resets --- */
html, body {
    background-color: var(--color-obsidian);
    margin: 0;
    padding: 0;
    font-family: var(--font-primary), 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

img {
    max-width: 100%;
    display: block;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    transition: all 0.3s var(--transition-smooth);
}

/* --- Animations --- */
@keyframes reveal {
    from { 
        opacity: 0; 
        transform: translateY(30px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

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

/* --- Layout Container --- */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-image: url('/assets/web/images/website-bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
}

/* --- Back to Home Button --- */
.back-home-btn {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(5px);
    border: 1px solid var(--color-accent-pearl-muted);
    color: var(--color-pearl);
    text-decoration: none;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 4px;
    transition: all 0.3s var(--transition-smooth);
}

.back-home-btn i {
    font-size: var(--text-sm);
    color: var(--color-accent-pearl);
}

.back-home-btn:hover {
    background: rgba(242, 240, 239, 0.1);
    border-color: var(--color-accent-pearl);
    color: var(--color-accent-pearl);
    transform: translateY(-2px);
}

.back-home-btn:active {
    transform: scale(0.96);
    transition: 0.1s;
}

/* --- App Header --- */
.app-header {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-md) 0;
    background: transparent;
    z-index: 100;
    opacity: 0;
    animation: reveal 0.8s var(--transition-luxury) forwards;
    animation-delay: 0s;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.model-selector-wrapper {
    margin-bottom: var(--space-sm);
}

.model-selector {
    background: var(--color-obsidian);
    color: var(--color-pearl);
    border: 1px solid var(--color-accent-pearl-muted);
    font-family: var(--font-primary);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    padding: 4px 12px;
    border-radius: 4px;
    cursor: pointer;
    outline: none;
    transition: all 0.3s var(--transition-smooth);
}

.model-selector:hover {
    border-color: var(--color-accent-pearl);
    box-shadow: var(--shadow-accent-pearl-halo);
}

.header-content .model-name {
    font-family: var(--font-accent);
    font-size: var(--text-xl);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent-pearl);
    margin-bottom: var(--space-xs);
}

.header-content .model-subtitle {
    font-size: var(--text-xs);
    letter-spacing: 0.4em;
    text-transform: uppercase;
    opacity: 0.6;
    color: var(--color-pearl);
}

/* --- Main Application Layout (VERTICAL FLOW) --- */
.app-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    flex: 1;
    width: 100%;
    align-items: center;
}

.config-area {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--space-lg) var(--space-lg) 0 var(--space-lg);
    width: 100%;
}

/* --- Hero Section (Renders) --- */
.hero-section {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: reveal 0.8s var(--transition-luxury) forwards;
    animation-delay: 0.2s;
}

.viewer-container {
    width: 100%;
    max-width: 1400px;
}

.stage-viewport {
    width: 100%;
    aspect-ratio: 4 / 3;
    position: relative;
    border-radius: 40px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--color-obsidian);
}

.stage-image-container {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.stage-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    object-fit: contain;
    object-position: center;
    transition: opacity 0.8s var(--transition-luxury), transform 1.2s var(--transition-luxury);
    cursor: zoom-in;
}

.stage-image.transitioning {
    transform: scale(1.05);
}

.stage-image.outgoing {
    transform: scale(0.98);
    filter: blur(4px);
}

.stage-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, transparent 30%, rgba(0,0,0,0.4) 100%);
    pointer-events: none;
}

/* --- Controls Section --- */
.controls-section {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    padding: var(--space-lg) var(--space-lg);
    background: var(--color-glass);
    backdrop-filter: blur(30px);
    border-radius: 24px;
    border: 1px solid var(--color-accent-pearl-muted);
    width: 100%;
    max-width: 1200px;
    box-sizing: border-box;
    position: relative;
    opacity: 0;
    animation: reveal 0.8s var(--transition-luxury) forwards;
    animation-delay: 0.6s;
    box-shadow: inset 0 1px 1px rgba(255,255,255,0.1), inset 0 -1px 1px rgba(0,0,0,0.5), var(--shadow-md);
}

.color-selection {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.controls-title {
    font-family: 'Protrakt-Semi-Bold-Exp-One', sans-serif !important;
    font-size: 14px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent-pearl);
    margin: 0 0 var(--space-sm) 0;
    text-align: center;
}

.color-palette {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
}

.swatch {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    width: 56px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    transition: transform 0.3s var(--transition-smooth);
}

.swatch .color-fill {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid rgba(242, 240, 239, 0.2);
    transition: all 0.3s var(--transition-smooth);
}

.swatch:hover .color-fill {
    transform: scale(1.1);
    border-color: var(--color-accent-pearl-muted);
}

.swatch:active .color-fill {
    transform: scale(0.96);
    transition: 0.1s;
}

.swatch.active .color-fill {
    border-color: var(--color-accent-pearl);
    box-shadow: var(--shadow-accent-pearl-halo);
}

.swatch-label {
    font-size: 9px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-pearl);
    opacity: 0.7;
    text-align: center;
    line-height: 1.2;
    max-width: 56px;
    word-break: break-word;
}

.swatch.active .swatch-label {
    opacity: 1;
}

/* --- Visual Angle Navigation --- */
.angle-nav {
    display: flex;
    flex-direction: row;
    gap: var(--space-sm);
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 4px 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

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

.angle-trigger {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: var(--space-sm);
    color: var(--color-pearl);
    opacity: 0.6;
    transition: all 0.3s var(--transition-smooth);
    border-radius: 12px;
    border: 1px solid transparent;
    text-align: center;
    min-width: 80px;
    flex-shrink: 0;
}

.angle-trigger .angle-thumb {
    width: 72px;
    height: 48px;
    border-radius: 8px;
    object-fit: cover;
    border: 1px solid var(--color-accent-pearl-muted);
    transition: all 0.3s var(--transition-smooth);
}

.angle-trigger .angle-info span {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 500;
    white-space: nowrap;
}

.angle-trigger.active {
    color: var(--color-accent-pearl);
    opacity: 1;
    background: rgba(242, 240, 239, 0.1);
    border-color: var(--color-accent-pearl-muted);
}

.angle-trigger.active .angle-thumb {
    border-color: var(--color-accent-pearl);
    box-shadow: var(--shadow-accent-pearl-halo);
    transform: scale(1.05);
}

.angle-trigger:hover {
    color: var(--color-accent-pearl);
    opacity: 1;
}

/* --- Specs Section (Bottom Glassmorphism) --- */
.sidebar {
    background: var(--color-glass);
    backdrop-filter: blur(30px);
    color: var(--color-pearl);
    padding: var(--space-xl) var(--space-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: 1px solid var(--color-accent-pearl-muted);
    border-radius: 24px;
    box-sizing: border-box;
    position: relative;
    opacity: 0;
    animation: reveal 0.8s var(--transition-luxury) forwards;
    animation-delay: 0.4s;
    box-shadow: inset 0 1px 1px rgba(255,255,255,0.1), inset 0 -1px 1px rgba(0,0,0,0.5), var(--shadow-md);
    width: 100%;
    max-width: 1200px;
    margin: 0 auto var(--space-xl) auto;
}

.specs-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    width: 100%;
}

.specs-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    width: 100%;
}

.specs-title {
    font-family: 'Protrakt-Semi-Bold-Exp-One', sans-serif !important;
    font-size: clamp(14px, 1.5vw, 24px);
    font-weight: 600 !important;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-accent-pearl);
    margin: 0 0 var(--space-md) 0;
    border-bottom: 1px solid var(--color-accent-pearl-muted);
    padding-bottom: var(--space-sm);
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 4px;
    box-sizing: border-box;
}

.specs-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    width: 100%;
}

.spec-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: relative;
    cursor: help;
    width: 100%;
    margin-left: 12px;
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.6s var(--transition-luxury), transform 0.6s var(--transition-luxury);
}

.spec-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.spec-item::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-accent-pearl);
}

.spec-label {
    font-size: 13px;
    text-transform: uppercase;
    opacity: 0.6;
    letter-spacing: 0.15em;
}

.spec-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-pearl);
}

.spec-detail {
    position: absolute;
    left: 0;
    top: 100%;
    background: rgba(10, 10, 10, 0.95);
    color: var(--color-pearl);
    font-size: 12px;
    padding: 12px 15px;
    border-left: 2px solid var(--color-accent-pearl);
    border-radius: 0 8px 8px 0;
    width: 220px;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--transition-luxury);
    transform: translateY(5px);
    box-shadow: var(--shadow-lg);
    line-height: 1.5;
}

.spec-item:hover .spec-detail {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* --- Luxury Loading Overlay --- */
.loader-overlay {
    position: fixed;
    inset: 0;
    background-image: 
        linear-gradient(rgba(10, 10, 10, 0.8), rgba(10, 10, 10, 0.8)), 
        url('/assets/web/images/website-bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    z-index: 3000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease, visibility 0.5s;
    pointer-events: all;
    
    /* Ultimate Fail-safe: Auto-hide after 10s if JS fails */
    animation: emergency-hide 0s linear 10s forwards;
}

@keyframes emergency-hide {
    to { 
        opacity: 0; 
        visibility: hidden; 
        display: none; 
    }
}

.loader-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.gold-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(242, 240, 239, 0.2);
    border-top: 3px solid var(--color-accent-pearl);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader-text {
    font-family: 'Protrakt-Semi-Bold-Exp-One', sans-serif;
    color: var(--color-accent-pearl);
    letter-spacing: 0.3em;
    font-size: 12px;
    text-transform: uppercase;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* --- Notification System --- */
.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 3001;
    display: flex;
    flex-direction: column;
    gap: 15px;
    pointer-events: none;
}

.toast-notification {
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-accent-pearl);
    color: var(--color-pearl);
    padding: 15px 25px;
    border-radius: 12px;
    font-size: 14px;
    box-shadow: var(--shadow-md);
    animation: slideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: auto;
    min-width: 250px;
    text-align: center;
}

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

.toast-notification.fade-out {
    animation: slideOut 0.4s forwards;
}

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

/* --- Zoom Overlay --- */
.zoom-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    backdrop-filter: blur(15px);
    padding: var(--space-lg);
    transition: opacity 0.4s var(--transition-smooth);
}

.zoom-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.zoom-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}

.zoom-close {
    position: absolute;
    top: -60px;
    right: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    z-index: 2100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zoom-close:hover {
    background: var(--color-accent-pearl);
    color: var(--color-obsidian);
    border-color: var(--color-accent-pearl);
}

/* --- Consultation CTA --- */
.specs-cta {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-accent-pearl-muted);
    text-align: center;
}

.btn-consultation {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 14px 32px;
    font-family: var(--font-primary);
    font-size: 11px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-accent-pearl);
    background: transparent;
    border: 1px solid var(--color-accent-pearl);
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.4s var(--transition-luxury);
}

.btn-consultation:hover {
    background: var(--color-accent-pearl);
    color: var(--color-obsidian);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent-pearl-halo);
}

.btn-consultation:active {
    transform: scale(0.98);
}

.btn-consultation i {
    font-size: 12px;
    transition: transform 0.3s var(--transition-smooth);
}

.btn-consultation:hover i {
    transform: translateX(4px);
}

/* --- Responsive Optimization --- */
@media (max-width: 1200px) {
    .sidebar {
        border-left: none;
        border-top: 1px solid var(--color-accent-pearl-muted);
        padding: var(--space-lg);
    }

    .config-area {
        padding: var(--space-md);
    }

    .controls-section {
        flex-direction: column;
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .app-header {
        height: 70px;
        padding: var(--space-sm) 0;
    }

    .header-top-row {
        gap: 6px;
    }

    .header-spacer {
        width: 0;
    }

    .switch-model-btn span {
        display: none;
    }

    .switch-model-btn {
        padding: 4px 10px 4px 8px;
        font-size: 9px;
    }

    .header-content .model-name {
        font-size: var(--text-lg);
        letter-spacing: 0.2em;
    }

    .header-content .model-subtitle {
        font-size: 9px;
        letter-spacing: 0.25em;
    }

    .model-picker {
        padding: var(--space-lg) var(--space-md);
        min-height: 60vh;
        gap: var(--space-lg);
    }

    .picker-cards {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .model-card {
        max-width: 100%;
    }

    .card-body {
        padding: var(--space-md);
    }

    .card-body h3 {
        font-size: var(--text-base);
    }

    .stage-viewport {
        aspect-ratio: 4 / 3;
        border-radius: 16px;
    }

    .controls-section {
        padding: var(--space-md);
        border-radius: 16px;
        gap: var(--space-md);
    }

    .controls-title {
        font-size: 11px;
        letter-spacing: 0.2em;
    }

    .color-palette {
        gap: var(--space-sm);
    }

    .swatch {
        width: 48px;
    }

    .swatch .color-fill {
        width: 32px;
        height: 32px;
    }

    .swatch-label {
        font-size: 7px;
        max-width: 48px;
    }

    .angle-trigger {
        min-width: 56px;
        padding: 4px 6px;
        gap: 4px;
    }

    .angle-trigger .angle-thumb {
        width: 48px;
        height: 32px;
    }

    .angle-trigger .angle-info span {
        font-size: 8px;
        letter-spacing: 0.1em;
    }

    .sidebar {
        padding: var(--space-md);
        border-radius: 16px;
    }

    .specs-title {
        font-size: 12px;
    }

    .spec-label {
        font-size: 11px;
    }

    .spec-value {
        font-size: 15px;
    }

    .configurator-footer {
        padding: var(--space-md) var(--space-md) var(--space-lg);
    }

    .back-home-btn {
        top: 6px;
        left: 6px;
        padding: 2px 8px;
        font-size: 9px;
    }

    .picker-headline {
        font-size: clamp(1.4rem, 5vw, 1.8rem);
    }

    .picker-sub {
        font-size: 10px;
    }
}

@media (max-width: 480px) {
    .app-header {
        height: 60px;
    }

    .header-content .model-name {
        font-size: var(--text-base);
    }

    .header-content .model-subtitle {
        display: none;
    }

    .model-picker {
        padding: var(--space-md);
        min-height: 50vh;
        gap: var(--space-md);
    }

    .card-image {
        aspect-ratio: 4 / 3;
    }

    .card-specs {
        gap: 6px;
    }

    .card-spec {
        font-size: 10px;
        padding: 3px 8px;
    }

    .btn-configure {
        padding: 12px 20px;
        font-size: 10px;
    }

    .stage-viewport {
        border-radius: 12px;
    }

    .controls-section {
        padding: var(--space-sm);
        border-radius: 12px;
        gap: var(--space-sm);
    }

    .controls-title {
        font-size: 10px;
        margin-bottom: 4px;
    }

    .color-palette {
        gap: 4px;
    }

    .swatch {
        width: 40px;
    }

    .swatch .color-fill {
        width: 28px;
        height: 28px;
        border-width: 1.5px;
    }

    .swatch-label {
        font-size: 6px;
        max-width: 40px;
    }

    .angle-trigger {
        min-width: 48px;
        padding: 3px 4px;
    }

    .angle-trigger .angle-thumb {
        width: 40px;
        height: 28px;
        border-radius: 4px;
    }

    .angle-trigger .angle-info span {
        font-size: 7px;
    }

    .sidebar {
        padding: var(--space-sm);
        border-radius: 12px;
    }

    .specs-grid {
        gap: var(--space-md);
    }

    .spec-label {
        font-size: 10px;
    }

    .spec-value {
        font-size: 13px;
    }

    .spec-detail {
        width: 180px;
        font-size: 10px;
        padding: 8px 10px;
    }

    .configurator-footer {
        padding: var(--space-sm) var(--space-md) var(--space-md);
    }

    .configurator-footer img {
        width: 40px;
    }

    .configurator-footer p {
        font-size: 8px;
    }

    .back-home-btn {
        top: 4px;
        left: 4px;
        padding: 2px 6px;
        font-size: 8px;
    }

    .picker-footer p {
        font-size: 8px;
    }
}