* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'IBM Plex Sans', sans-serif;
    background: #E8E4E0;
    overflow: hidden;
    color: #333;
}

#scene-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#city-title {
    position: fixed;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 28px;
    font-weight: 500;
    letter-spacing: 0.3em;
    color: #333;
    z-index: 100;
    text-align: center;
}

#city-selector {
    position: fixed;
    top: 40px;
    right: 30px;
    z-index: 100;
}

#city-dropdown {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 14px;
    font-weight: 400;
    padding: 10px 20px;
    padding-right: 40px;
    border: none;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    transition: all 0.2s ease;
}

#city-dropdown:hover {
    background-color: #fff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

#city-dropdown:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(107, 142, 159, 0.5);
}

#building-labels {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 100px;
    z-index: 100;
}

.label-group {
    text-align: center;
    min-width: 120px;
}

.building-name {
    font-size: 10px;
    font-weight: 400;
    color: #666;
    margin-bottom: 4px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    opacity: 0.8;
}

.height {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    letter-spacing: 0.02em;
}

.year {
    font-size: 14px;
    font-weight: 300;
    color: #666;
    margin-top: 2px;
}

#controls-panel {
    position: fixed;
    bottom: 100px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 100;
}

#controls-panel button {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

#controls-panel button:hover {
    background: #fff;
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

#rotate-btn {
    opacity: 0.6;
}

#tooltip {
    position: fixed;
    display: none;
    background: rgba(51, 51, 51, 0.95);
    color: #fff;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.03em;
    pointer-events: none;
    z-index: 1000;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

footer {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    font-weight: 300;
    color: #999;
    z-index: 100;
}

footer a {
    color: #888;
    text-decoration: none;
    transition: color 0.2s ease;
}

footer a:hover {
    color: #666;
}

@media (max-width: 768px) {
    #city-title {
        font-size: 20px;
        letter-spacing: 0.2em;
        top: 30px;
    }
    
    #city-selector {
        top: 30px;
        right: 15px;
    }
    
    #city-dropdown {
        font-size: 12px;
        padding: 8px 15px;
        padding-right: 35px;
    }
    
    #building-labels {
        gap: 40px;
        bottom: 70px;
    }
    
    .label-group {
        min-width: 80px;
    }
    
    .building-name {
        font-size: 8px;
    }
    
    .height {
        font-size: 16px;
    }
    
    .year {
        font-size: 12px;
    }
    
    #controls-panel {
        bottom: 80px;
        right: 15px;
    }
    
    #controls-panel button {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    #building-labels {
        gap: 25px;
    }
    
    .label-group {
        min-width: 60px;
    }
    
    .height {
        font-size: 14px;
    }
    
    .year {
        font-size: 11px;
    }
}