body {
    font-family: 'Segoe UI', sans-serif;
    background: #f5f3ee;
    margin: 0;
    padding: 1rem;
    color: #222;
}
.chart-container {
    max-width: 600px;
    margin: 1rem auto;
    background: #fff;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
h1 {
    color: #990000;
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}
.selectors {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
}
select, button {
    padding: 0.5rem 0.8rem;
    border-radius: 6px;
    border: 1px solid #990000;
    font-weight: 600;
    background: #fff;
    color: #990000;
    cursor: pointer;
    font-size: 0.95rem;
    white-space: nowrap;
}
button:hover {
    background: #990000;
    color: #fff;
}
.month-label {
    font-weight: 700;
    color: #990000;
    font-size: 1.1rem;
}
.table-responsive {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}
th {
    background: #990000;
    color: #fff;
    padding: 0.6rem;
    border: 1px solid #770000;
    white-space: nowrap;
    font-size: 0.9rem;
}
td {
    padding: 0.6rem;
    border: 1px solid #ddd;
    text-align: center;
    font-size: 0.9rem;
}
.date-cell {
    font-weight: 700;
    color: #b30000;
    background: #fef9f9;
    width: 40px;
}
.back-link {
    display: inline-block;
    margin-top: 1.5rem;
    color: #cc9a00;
    text-decoration: none;
}
@media (max-width: 600px) {
    select, button { padding: 0.6rem 1rem; font-size: 0.9rem; min-width: 80px; }
    td, th { padding: 0.3rem 0.2rem; font-size: 0.7rem; }
    .date-cell { width: 30px; }
}