:root {
    --primary: #800020;
    --primary-hover: #a00028;
    --bg: #f4f6f8;
    --card-bg: #ffffff;
    --text: #333;
}

body {
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background-color: var(--bg);
    margin: 0;
    padding: 20px;
}

.container { max-width: 800px; margin: auto; }

header { text-align: center; margin-bottom: 25px; }

h1 { color: var(--primary); }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.card h3 { margin-top: 0; font-size: 1rem; color: #666; border-bottom: 1px solid #eee; padding-bottom: 10px; }

.input-group label { display: block; font-size: 0.8rem; margin: 10px 0 5px; font-weight: bold; }

.coords { display: flex; gap: 5px; }

input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
}

.action-bar { display: flex; gap: 10px; margin-bottom: 20px; }

.primary-btn { flex: 3; padding: 15px; background: var(--primary); color: white; border: none; border-radius: 8px; font-weight: bold; cursor: pointer; }

.secondary-btn { flex: 1; padding: 15px; background: #6c757d; color: white; border: none; border-radius: 8px; cursor: pointer; }

.results-area { background: white; border-radius: 10px; border: 2px solid var(--primary); overflow: hidden; }

.result-header { background: var(--primary); color: white; padding: 10px; text-align: center; font-weight: bold; }

.copy-grid { display: flex; flex-direction: column; gap: 10px; padding: 15px; }

.copy-item {
    display: flex;
    align-items: center;
    background: #f8f9fa;
    padding: 10px;
    border-radius: 6px;
    gap: 15px;
}

.label-box { background: #ddd; padding: 5px 10px; border-radius: 4px; font-weight: bold; min-width: 20px; text-align: center; }

.copy-item strong { flex-grow: 1; font-family: 'Courier New', monospace; font-size: 1.1rem; }

.copy-item button {
    border: none;
    background: #007bff;
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
}