@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;700&display=swap');

/* --- การตั้งค่าพื้นฐานและตัวแปรสี --- */
:root {
    --primary-blue: #0D2F4B;
    --accent-gold: #D4AF37;
    --light-gray: #f4f7f6;
    --dark-gray: #333333;
    --white: #ffffff;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Kanit', sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--light-gray);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- ส่วนของ Navigation Bar --- */
.navbar {
    background-color: var(--white);
    padding: 1rem 0;
    border-bottom: 1px solid #e0e0e0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-decoration: none;
}

.user-menu a {
    color: var(--primary-blue);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
}

.user-menu a:hover {
    color: var(--accent-gold);
}

/* --- ส่วนเนื้อหาหลัก --- */
.transactions-main {
    padding: 40px 0;
}

.transactions-main h1 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 30px;
}

/* --- Filter Form --- */
.filter-card {
    background: var(--white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    border: 1px solid #e9ecef;
    margin-bottom: 30px;
}

.filter-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    align-items: flex-end;
}

.form-group {
    margin-bottom: 0; /* Override default form-group margin */
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-gray);
}

.form-group input[type="date"],
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-family: 'Kanit', sans-serif;
    font-size: 1rem;
}

.btn {
    padding: 10px 25px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent-gold);
    color: var(--primary-blue);
    width: 100%;
}

.btn-primary:hover {
    background-color: #c8a02b;
}

/* --- Transaction Table --- */
.transaction-table-container {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    border: 1px solid #e9ecef;
    overflow-x: auto; /* For responsive tables */
}

.transaction-table {
    width: 100%;
    border-collapse: collapse;
}

.transaction-table th, .transaction-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #dee2e6;
}

.transaction-table th {
    background-color: var(--light-gray);
    font-weight: 500;
    color: var(--primary-blue);
}

.transaction-table tbody tr:last-child td {
    border-bottom: none;
}

/* --- Footer --- */
.footer {
    background-color: var(--primary-blue);
    color: var(--light-gray);
    padding: 40px 0;
    text-align: center;
    margin-top: 40px;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .transactions-main h1 {
        font-size: 2rem;
    }
    .filter-form {
        grid-template-columns: 1fr;
    }
}