body {
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #e0eafc 0%, #cfdef3 100%);
    padding: 40px;
}
h2 {
    text-align: center;
    color: #0078d7;
}
form {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}
select, button {
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #b0c4de;
}
button {
    background: #0078d7;
    color: #fff;
    border: none;
    cursor: pointer;
    transition: 0.2s;
}
button:hover {
    background: #005fa3;
}
table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}
th, td {
    padding: 10px;
    border-bottom: 1px solid #ddd;
    text-align: center;
}
th {
    background: #f0f6fc;
}
tr:hover {
    background: #f5fbff;
}

.nav-buttons {
    text-align: center;
    margin: 18px 0;
}
.nav-button {
    display: inline-block;
    background: #0078d7;
    color: #fff;
    padding: 10px 18px;
    border-radius: 10px;
    text-decoration: none;
    margin: 0 8px;
    font-weight: 600;
    transition: background 0.15s ease;
}
.nav-button:hover {
    background: #005fa3;
}

.annual-stats {
    position: fixed;
    top: 18px;
    right: 18px;
    width: 280px;
    max-height: 60vh;
    overflow-y: auto;
    background: #ffffff;
    border-radius: 10px;
    padding: 12px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.12);
    font-size: 0.95rem;
    z-index: 999;
}
.annual-stats h3 {
    margin: 0 0 8px 0;
    font-size: 1rem;
    color: #0078d7;
    text-align: left;
}
.annual-stats ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.annual-stats li {
    display: flex;
    justify-content: space-between;
    padding: 6px 4px;
    border-bottom: 1px solid #f0f6fc;
}
.annual-stats li:last-child { border-bottom: none; }