/* ===================================
   BMW CONFIGURATOR V2.0
   Ultra-Premium Interactive Configurator
   =================================== */

/* Main Configurator Container */
.bmw-configurator-v2 {
    padding: 80px 20px 200px;
    background: linear-gradient(180deg, #000000 0%, #0a0a0a 100%);
    min-height: 100vh;
    position: relative;
    overflow: visible;
}

.configurator-main-title {
    text-align: center;
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 900;
    color: #ffffff;
    margin: 0 0 20px;
    letter-spacing: -2px;
    text-shadow: 0 0 40px rgba(100, 150, 255, 0.3);
}

.configurator-subtitle {
    text-align: center;
    font-size: clamp(16px, 2vw, 20px);
    color: rgba(255, 255, 255, 0.6);
    margin: 0 0 60px;
    font-weight: 300;
}

/* Configurator Layout */
.configurator-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 40px;
    max-width: 1600px;
    margin: 0 auto;
    align-items: start;
    position: relative;
}

.configurator-steps {
    display: flex;
    flex-direction: column;
    gap: 40px;
    min-height: calc(200vh);
    padding-bottom: 200px;
}

/* Step Header */
.config-step-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

/* Individual Step Containers */
#series-selector,
#model-selector,
#headlight-selector,
#lift-config-selector {
    min-height: 400px;
    margin-bottom: 60px;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, 
        rgba(100, 150, 255, 0.4), 
        rgba(50, 100, 255, 0.4)
    );
    border-radius: 50%;
    font-size: 24px;
    font-weight: 900;
    color: rgba(100, 150, 255, 0.95);
    box-shadow: 0 0 30px rgba(100, 150, 255, 0.4);
}

.config-step-header h3 {
    font-size: 28px;
    font-weight: 800;
    color: #ffffff;
    margin: 0;
}

.step-subtitle {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin: -10px 0 0 70px;
}

/* Series Grid */
.series-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.series-card {
    padding: 30px 20px;
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.95), 
        rgba(10, 10, 10, 0.95)
    );
    border: 2px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
}

.series-card:hover {
    background: linear-gradient(135deg, 
        rgba(30, 30, 30, 0.98), 
        rgba(20, 20, 20, 0.98)
    );
    border-color: rgba(100, 150, 255, 0.4);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.series-card.selected {
    background: linear-gradient(135deg, 
        rgba(100, 150, 255, 0.2), 
        rgba(50, 100, 255, 0.2)
    );
    border-color: rgba(100, 150, 255, 0.8);
    box-shadow: 
        0 15px 40px rgba(0, 0, 0, 0.5),
        0 0 50px rgba(100, 150, 255, 0.4);
}

.series-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.series-name {
    font-size: 22px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 5px;
}

.series-count {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* Model Grid Advanced */
.model-grid-advanced {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.model-card-advanced {
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.98), 
        rgba(10, 10, 10, 0.98)
    );
    border: 2px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.model-card-advanced:hover {
    border-color: rgba(100, 150, 255, 0.5);
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.model-card-advanced.selected {
    border-color: rgba(100, 150, 255, 0.9);
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.6),
        0 0 60px rgba(100, 150, 255, 0.5);
}

.model-preview {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.model-preview::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        circle at center,
        rgba(100, 150, 255, 0.1) 0%,
        transparent 70%
    );
}

.model-preview img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transform: scale(0.95);
    transition: transform 0.4s ease;
}

.model-card-advanced:hover .model-preview img {
    transform: scale(1);
}

.model-info {
    padding: 20px;
}

.model-code {
    display: inline-block;
    padding: 5px 12px;
    background: rgba(100, 150, 255, 0.15);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
    color: rgba(100, 150, 255, 0.95);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.model-name {
    font-size: 18px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 10px;
}

.model-meta {
    display: flex;
    gap: 15px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* Headlight Grid Advanced */
.headlight-grid-advanced {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.headlight-card-advanced {
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, 
        rgba(25, 25, 25, 0.98), 
        rgba(15, 15, 15, 0.98)
    );
    border: 2px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.headlight-card-advanced:hover {
    border-color: rgba(100, 150, 255, 0.5);
    transform: translateY(-8px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
}

.headlight-card-advanced.selected {
    border-color: rgba(100, 150, 255, 0.9);
    box-shadow: 
        0 25px 60px rgba(0, 0, 0, 0.7),
        0 0 70px rgba(100, 150, 255, 0.6);
}

.headlight-visual {
    width: 100%;
    height: 220px;
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.headlight-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        ellipse at center,
        rgba(100, 150, 255, 0.15) 0%,
        transparent 60%
    );
}

.headlight-visual img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transform: scale(0.9);
    transition: transform 0.5s ease;
}

.headlight-card-advanced:hover .headlight-visual img {
    transform: scale(1.05);
}

.headlight-info-box {
    padding: 25px;
}

.headlight-name {
    font-size: 20px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 10px;
}

.headlight-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
    line-height: 1.6;
}

.headlight-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.feature-badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(100, 150, 255, 0.1);
    border: 1px solid rgba(100, 150, 255, 0.2);
    border-radius: 8px;
    font-size: 12px;
    color: rgba(100, 150, 255, 0.9);
    font-weight: 600;
}

.price-modifier {
    font-size: 16px;
    font-weight: 700;
    color: rgba(100, 200, 150, 0.9);
    text-align: right;
    margin-top: 10px;
}

/* Lift Grid Advanced */
.lift-grid-advanced {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.lift-card-advanced {
    padding: 25px;
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.98), 
        rgba(10, 10, 10, 0.98)
    );
    border: 2px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.4s ease;
    text-align: center;
}

.lift-card-advanced:hover {
    border-color: rgba(100, 150, 255, 0.5);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.lift-card-advanced.selected {
    border-color: rgba(100, 150, 255, 0.9);
    box-shadow: 
        0 15px 40px rgba(0, 0, 0, 0.5),
        0 0 50px rgba(100, 150, 255, 0.5);
}

.lift-icon-large {
    font-size: 48px;
    margin-bottom: 15px;
}

.lift-visual-small {
    width: 100%;
    height: 120px;
    margin: 15px 0;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.lift-visual-small.dual-image {
    height: auto;
    flex-direction: column;
    gap: 8px;
    padding: 8px;
}

.lift-visual-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.lift-visual-small img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.lift-visual-small .image-label {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(100, 150, 255, 0.8);
    color: white;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.lift-name {
    font-size: 18px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 8px;
}

.lift-desc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
}

/* Car Visualization */
.car-visualization-sidebar {
    position: -webkit-sticky;
    position: sticky;
    top: 120px;
    bottom: 20px;
    height: fit-content;
    max-height: calc(100vh - 140px);
    align-self: start;
    z-index: 10;
}

.car-display {
    width: 100%;
    height: 350px;
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.98), 
        rgba(10, 10, 10, 0.98)
    );
    border: 2px solid rgba(100, 150, 255, 0.3);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-bottom: 30px;
}

.car-display::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        ellipse at center,
        rgba(100, 150, 255, 0.1) 0%,
        transparent 70%
    );
    pointer-events: none;
}

.car-placeholder {
    text-align: center;
    color: rgba(255, 255, 255, 0.3);
}

.placeholder-icon {
    font-size: 80px;
    margin-bottom: 20px;
}

.car-placeholder p {
    font-size: 14px;
    margin: 0;
}

.car-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: carFadeIn 0.6s ease;
}

@keyframes carFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.car-overlay-info {
    position: absolute;
    bottom: 20px;
    left: 20px;
    display: flex;
    gap: 10px;
}

.car-model-badge,
.car-name-badge {
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 700;
    color: #ffffff;
}

.car-model-badge {
    background: linear-gradient(135deg, 
        rgba(100, 150, 255, 0.4), 
        rgba(50, 100, 255, 0.4)
    );
}

/* Config Summary Box */
.config-summary-sidebar {
    background: linear-gradient(135deg, 
        rgba(30, 30, 30, 0.98), 
        rgba(20, 20, 20, 0.98)
    );
    border: 2px solid rgba(100, 150, 255, 0.3);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}

.summary-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
    color: #ffffff;
    margin: 0 0 25px;
}

.summary-icon {
    font-size: 28px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.summary-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 600;
}

.summary-value {
    font-size: 14px;
    font-weight: 700;
    color: #ffffff;
    text-align: right;
    max-width: 60%;
}

.config-empty {
    text-align: center;
    padding: 40px 20px;
    color: rgba(255, 255, 255, 0.3);
    font-size: 14px;
}

.config-price-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 30px 0 25px;
    padding: 25px;
    background: linear-gradient(135deg, 
        rgba(100, 150, 255, 0.08), 
        rgba(50, 100, 255, 0.08)
    );
    border: 1px solid rgba(100, 150, 255, 0.3);
    border-radius: 16px;
}

.config-price-box span:first-child {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 600;
}

.price-large {
    font-size: 36px;
    font-weight: 900;
    color: rgba(100, 150, 255, 0.95);
    text-shadow: 0 0 30px rgba(100, 150, 255, 0.4);
}

.btn-add-configured-large {
    width: 100%;
    padding: 20px;
    background: linear-gradient(135deg, 
        rgba(100, 150, 255, 0.95), 
        rgba(50, 100, 255, 0.95)
    );
    color: #ffffff;
    border: none;
    border-radius: 16px;
    font-size: 16px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.4s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: 0 8px 30px rgba(100, 150, 255, 0.5);
}

.btn-add-configured-large:hover:not(:disabled) {
    transform: translateY(-4px);
    box-shadow: 0 15px 45px rgba(100, 150, 255, 0.7);
}

.btn-add-configured-large:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-icon {
    font-size: 20px;
}

/* Step Visibility */
#model-selector,
#headlight-selector,
#lift-config-selector {
    opacity: 0.3;
    pointer-events: none;
    transition: all 0.6s ease;
}

#model-selector.visible,
#headlight-selector.visible,
#lift-config-selector.visible {
    opacity: 1;
    pointer-events: auto;
}

/* Responsive */
@media (max-width: 1400px) {
    .configurator-layout {
        grid-template-columns: 1fr 350px;
    }
}

@media (max-width: 1024px) {
    .configurator-layout {
        grid-template-columns: 1fr;
    }
    
    .car-visualization-sidebar {
        position: static;
        order: -1;
    }
    
    .headlight-grid-advanced {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .series-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .model-grid-advanced {
        grid-template-columns: 1fr;
    }
    
    .lift-grid-advanced {
        grid-template-columns: 1fr;
    }
    
    .car-display {
        height: 250px;
    }
    
    .configurator-main-title {
        font-size: 32px;
    }
    
    .configurator-subtitle {
        font-size: 16px;
    }
}