/* Common styles for Relief Map Generator */

body {
    font-family: Arial, sans-serif;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f5f5f5;
}

.container {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1 {
    color: #2c3e50;
    border-bottom: 3px solid #4CAF50;
    padding-bottom: 10px;
}

h2 {
    color: #34495e;
    margin-top: 30px;
}

/* Form Elements */
.form-section {
    margin: 20px 0;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 5px;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
}

.form-group {
    flex: 1;
    margin: 10px 0;
}

label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
    color: #555;
}

input, select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

input[type="range"] {
    width: 100%;
}

.range-value {
    display: inline-block;
    width: 50px;
    text-align: center;
    font-weight: bold;
    color: #4CAF50;
}

.info {
    color: #666;
    font-size: 0.9em;
    margin-top: 3px;
}

/* Buttons */
.submit-btn, .btn {
    padding: 12px 30px;
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 16px;
    border-radius: 5px;
    transition: background-color 0.3s;
    text-decoration: none;
    display: inline-block;
    margin-top: 10px;
}

.submit-btn:hover, .btn:hover {
    background-color: #45a049;
}

.submit-btn:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

/* Loading Spinner */
.loading {
    display: none;
    text-align: center;
    margin: 20px 0;
}

.loading.active {
    display: block;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #4CAF50;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* Messages */
.error {
    color: red;
    margin-top: 10px;
    padding: 10px;
    background-color: #ffebee;
    border-radius: 4px;
}