/* Copyright (c) 2024 HJJB, LLC */

:root {
    --primary: #3498db;
    --success: #27ae60;
    --bg: #ecf0f1;
}

* { box-sizing: border-box; }

body {
    font-family: system-ui, sans-serif;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    background: var(--bg);
}

.container {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header {
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 2px solid #bdc3c7;
    padding-bottom: 20px;
}

header h1 { color: var(--primary); margin: 0 0 10px 0; }

.controls {
    text-align: center;
    margin-bottom: 30px;
}

.controls label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
}

input[type="range"] {
    width: 100%;
    margin-bottom: 20px;
}

button {
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    color: white;
    cursor: pointer;
    margin: 5px;
    font-size: 14px;
}

.btn-primary { background: var(--primary); }
.btn-success { background: var(--success); }

.results {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.result-card {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 2px solid #dee2e6;
    text-align: center;
}

.stat {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary);
    margin: 10px 0;
}

.explanation {
    padding: 20px;
    background: #e8f5e9;
    border-radius: 8px;
    border-left: 4px solid var(--success);
}

.explanation h3 { margin-top: 0; }