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

body {
    font-family: Arial, sans-serif;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: #f8f9fa;
}

/* Screen Management */
.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    background-color: #f8f9fa;
}

.screen.active {
    display: block;
}

.screen-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 20px;
}

/* Settings Screen */
h1 {
    margin-bottom: 30px;
    color: #333;
    text-align: center;
}

.settings-form {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 500px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #555;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.primary-btn {
    background-color: #4285f4;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    width: 100%;
    margin-top: 10px;
    transition: background-color 0.3s;
}

.primary-btn:hover {
    background-color: #3367d6;
}

/* Loading Screen */
.progress-container {
    width: 100%;
    max-width: 500px;
    height: 20px;
    background-color: #eee;
    border-radius: 10px;
    margin: 20px 0;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background-color: #4285f4;
    transition: width 0.3s ease;
}

#progress-text {
    font-size: 16px;
    color: #555;
}

/* Visualization Screen */
#vis-controls {
    padding: 12px 20px;
    background-color: #f0f0f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #ddd;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#vis-controls button {
    padding: 8px 12px;
    margin-right: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background-color: #fff;
    cursor: pointer;
    font-size: 14px;
}

#back-btn {
    background-color: #f8f9fa;
}

#regenerate-btn {
    background-color: #4285f4;
    color: white;
}

#vis-controls button:hover {
    opacity: 0.9;
}

#vis-controls label {
    margin-right: 5px;
    font-size: 14px;
}

/* Main Visualization Area */
#visualization {
    display: flex;
    flex: 1;
    height: calc(100% - 50px);
    overflow: hidden;
}

#threejs-container, #d3-container {
    flex: 1;
    overflow: hidden;
    position: relative;
}

#threejs-container {
    background-color: #000;
}

#d3-container {
    border-left: 1px solid #ccc;
}

/* D3 Map Specific Styles */
.map-label {
    font-family: 'Arial', sans-serif;
    font-size: 10px;
    pointer-events: none;
    text-shadow: 1px 1px 1px rgba(255, 255, 255, 0.7);
}

.graticule {
    fill: none;
    stroke: rgba(255, 255, 255, 0.5);
    stroke-width: 0.5px;
}

.equator {
    fill: none;
    stroke: #00ffff;
    stroke-width: 2px;
}

.prime-meridian {
    fill: none;
    stroke: #ff0000;
    stroke-width: 2px;
}

.continent-outline {
    fill: #d3b683;
    stroke: #a89070;
    stroke-width: 0.5px;
    opacity: 0.15;
}

.planet-point {
    opacity: 0.8;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    #visualization {
        flex-direction: column;
    }
    
    #threejs-container, #d3-container {
        flex: 1;
        height: 50%;
    }
    
    #d3-container {
        border-left: none;
        border-top: 1px solid #ccc;
    }
    
    #vis-controls {
        flex-direction: column;
        align-items: flex-start;
    }
    
    #vis-controls > div {
        margin-bottom: 10px;
    }
    
    .settings-form {
        padding: 20px;
    }
}