.ptt-form {
    margin-bottom: 20px;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.ptt-form select {
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 16px;
}

.ptt-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

.ptt-table th {
    background-color: #f8f9fa;
    color: #333;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 0.5px;
    padding: 12px;
    border-bottom: 2px solid #e0e0e0;
}

.ptt-table td {
    padding: 12px;
    text-align: center;
    border-bottom: 1px solid #eee;
    background-color: #fff;
    transition: background-color 0.2s ease;
}

.ptt-table tr:nth-child(even) td {
    background-color: #f9f9f9;
}

.ptt-table tr:hover td {
    background-color: #eaf4ff;
}

.ptt-today td {
    background-color: #fff4d4 !important;
    font-weight: 600;
    color: #222;
}

@media screen and (max-width: 768px) {
    .ptt-table th,
    .ptt-table td {
        font-size: 14px;
        padding: 10px;
    }

    .ptt-form {
        flex-direction: column;
        align-items: flex-start;
    }
}