body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
    margin: 0;
    padding: 20px;
}
.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
h1 {
    margin-top: 0;
    color: #1a1a1a;
    font-size: 1.8rem;
}
.subtitle {
    color: #666;
    margin-bottom: 30px;
    font-size: 1.1rem;
}
.measurement-form {
    background: #fafafa;
    padding: 25px;
    border-radius: 10px;
    border: 1px solid #e0e0e0;
    margin-bottom: 30px;
}
.measurement-form h2 {
    font-size: 1.2rem;
    color: #333;
    margin-top: 20px;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid #0066cc;
}
.form-row {
    margin: 12px 0;
    display: flex;
    align-items: center;
}
.form-row label {
    display: inline-block;
    width: 180px;
    font-weight: 500;
    color: #444;
}
.form-row input {
    padding: 10px 12px;
    border: 1px solid #bbb;
    border-radius: 6px;
    width: 140px;
    font-size: 1rem;
}
.form-row input:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 4px rgba(0,102,204,0.3);
}
button {
    background: linear-gradient(180deg, #0077ee 0%, #0058b0 100%);
    color: white;
    border: none;
    padding: 14px 32px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    margin-top: 25px;
    transition: background 0.2s;
}
button:hover {
    background: linear-gradient(180deg, #0066dd 0%, #0048a0 100%);
    transform: translateY(-1px);
}
.results {
    margin-top: 30px;
    padding: 25px;
    background: #f8faff;
    border-radius: 10px;
    border: 1px solid #d0dff0;
}
.health-score {
    font-size: 2rem;
    font-weight: bold;
    padding: 18px;
    border-radius: 8px;
    margin-bottom: 25px;
    text-align: center;
}
.health-score.urgent {
    background: linear-gradient(135deg, #ffe6e6 0%, #ffcccc 100%);
    color: #c00;
    border: 2px solid #ff9999;
}
.health-score:not(.urgent) {
    background: linear-gradient(135deg, #e6ffe6 0%, #ccffcc 100%);
    color: #060;
    border: 2px solid #99ff99;
}
h3 {
    color: #2c3e50;
    border-bottom: 2px solid #eee;
    padding-bottom: 8px;
    margin-top: 25px;
    font-size: 1.3rem;
}
ul {
    line-height: 1.7;
    padding-left: 20px;
}
li {
    margin: 10px 0;
    padding: 8px 12px;
    background: white;
    border-radius: 6px;
    border-left: 4px solid #ddd;
}
.deviations li {
    border-left-color: #ff9800;
}
.patterns li {
    border-left-color: #9c27b0;
}
.recommendations li {
    border-left-color: #2196f3;
    background: #f9f9f9;
}
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: bold;
    color: white;
}
.severity-high .badge { background: #f44336; }
.severity-moderate .badge { background: #ff9800; }
.severity-low .badge { background: #ffeb3b; color: #333; }
.severity-critical .badge { background: #d32f2f; }
.ok {
    color: #2e7d32;
    font-weight: 500;
    padding: 10px;
}
.alert {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
}
.culprits {
    list-style-type: none;
    padding-left: 10px;
    margin: 8px 0;
}
.culprits li {
    background: #f3e5f5;
    border-left-color: #9c27b0;
    padding: 6px 10px;
    margin: 4px 0;
    font-size: 0.95rem;
}
.notes {
    color: #666;
    font-style: italic;
    margin-top: 8px;
    padding: 8px;
    background: #f8f8f8;
    border-radius: 4px;
    font-size: 0.9rem;
}
canvas {
    background: white;
    border-radius: 8px;
    border: 1px solid #eee;
    margin: 20px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
@media (max-width: 600px) {
    .container { padding: 15px; }
    .form-row { flex-direction: column; align-items: flex-start; }
    .form-row label { width: 100%; margin-bottom: 5px; }
    .form-row input { width: 100%; }
    h1 { font-size: 1.5rem; }
}