body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    text-align: center;
}

.main-title {
    font-size: 2.5em;
    margin: 0;
}

.subtitle {
    font-size: 1.2em;
}

.nav-link {
    color: white;
    text-decoration: none;
}

.map-panel, .input-panel {
    margin: 20px 0;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.section-title {
    font-size: 1.5em;
    margin-bottom: 10px;
}

.btn-action, .btn-primary {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
}

.btn-action:hover, .btn-primary:hover {
    background-color: #0056b3;
}

.coordinate-group {
    margin-bottom: 15px;
}

.form-row {
    display: flex;
    justify-content: space-between;
}

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

.form-group:last-child {
    margin-right: 0;
}

.elevation-result {
    margin-top: 10px;
}

.result-badge {
    background-color: #e9ecef;
    padding: 10px;
    border-radius: 5px;
}

.metric {
    display: inline-block;
    margin-right: 15px;
}

.hidden {
    display: none;
}

footer {
    text-align: center;
    padding: 10px 0;
    background-color: #007bff;
    color: white;
    position: relative;
    bottom: 0;
    width: 100%;
}

.loader {
    border: 8px solid #f3f3f3;
    border-top: 8px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

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

/* Styles for new tools */
.tool-card {
    display: flex;
    align-items: center;
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 5px;
    padding: 10px;
    margin: 10px 0;
    text-decoration: none;
    color: #333;
}

.tool-card:hover {
    background-color: #e2e6ea;
}

.tool-icon {
    font-size: 2em;
    margin-right: 10px;
}

.tool-info h3 {
    margin: 0;
    font-size: 1.2em;
}

.tool-info p {
    margin: 5px 0 0;
    font-size: 0.9em;
}