.walkthrough-section {
    background-color: var(--color-black);
    color: var(--color-white);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.walkthrough-container {
    position: relative;
    width: 100%;
    height: 100vh;
}

.walkthrough-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.walkthrough-ui {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    pointer-events: none;
}

.walkthrough-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent);
    pointer-events: auto;
}

.walkthrough-header .section-label {
    color: var(--color-primary);
}

.walkthrough-header .section-title {
    color: var(--color-white);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    margin-bottom: var(--spacing-xs);
}

.walkthrough-header p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    max-width: 500px;
    margin: 0 auto;
}

.room-navigation {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(20px);
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    pointer-events: auto;
}

.room-btn {
    padding: 0.75rem 1.25rem;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    background: transparent;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.room-btn:hover {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
}

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

.room-indicator {
    position: absolute;
    top: 50%;
    right: var(--spacing-md);
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    pointer-events: auto;
}

.room-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.room-dot:hover {
    background: rgba(255, 255, 255, 0.5);
}

.room-dot.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    transform: scale(1.3);
}

.controls-hint {
    position: absolute;
    bottom: calc(var(--spacing-lg) + 80px);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    pointer-events: none;
}

.controls-hint svg {
    width: 16px;
    height: 16px;
    opacity: 0.5;
}

.back-to-overview {
    position: absolute;
    top: 50%;
    left: var(--spacing-md);
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
    pointer-events: auto;
}

.back-to-overview:hover {
    color: var(--color-white);
    background: rgba(0, 0, 0, 0.7);
    border-color: rgba(255, 255, 255, 0.2);
}

.back-to-overview svg {
    width: 16px;
    height: 16px;
}

.minimap {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 150px;
    height: 120px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: var(--spacing-xs);
    pointer-events: auto;
}

.minimap-inner {
    width: 100%;
    height: 100%;
    position: relative;
}

.minimap-room {
    position: absolute;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6px;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.minimap-room:hover {
    background: rgba(255, 255, 255, 0.3);
}

.minimap-room.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.loading-3d {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-white);
    z-index: 100;
}

.loading-3d .loader {
    width: 50px;
    height: 50px;
    border-width: 2px;
}

.loading-3d span {
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 768px) {
    .room-navigation {
        flex-wrap: wrap;
        justify-content: center;
        max-width: 90%;
        border-radius: 20px;
    }
    
    .room-btn {
        padding: 0.5rem 1rem;
        font-size: 0.65rem;
    }
    
    .minimap {
        display: none;
    }
    
    .room-indicator {
        display: none;
    }
    
    .back-to-overview {
        top: auto;
        bottom: calc(var(--spacing-lg) + 100px);
        left: 50%;
        transform: translateX(-50%);
    }
}