/* สีหลัก */
:root {
    --primary-color: #4A90E2;
    /* น้ำเงินอ่อน */
    --secondary-color: #6c757d;
    /* เทาเข้ม */
    --background-color: #f8f9fa;
    /* เทาอ่อนสำหรับพื้นหลัง */
    --card-bg: #ffffff;
    /* ขาวสำหรับ Card */
    --text-color: #343a40;
    /* ดำอมเทา */
}

/* รีเซ็ตและกำหนดพื้นฐาน */
body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Prompt', sans-serif;
}

/* Navbar */
.navbar {
    background-color: var(--card-bg);
    border-bottom: 1px solid #dee2e6;
}

.navbar-brand {
    font-weight: 600;
    color: var(--primary-color);
}

/* Card */
.card {
    border: none;
    border-radius: 10px;
    background-color: var(--card-bg);
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-5px);
}

/* Button */
.btn-primary {
    background-color: var(--primary-color);
    border: none;
    border-radius: 8px;
}

.btn-primary:hover {
    background-color: #357abd;
}

.btn-success,
.btn-danger,
.btn-warning {
    border-radius: 8px;
}

/* Table */
.table {
    background-color: var(--card-bg);
}

/* Responsive Typography */
h2,
h3,
h5 {
    color: var(--text-color);
    font-weight: 500;
}

/* Offcanvas */
.offcanvas {
    background-color: var(--card-bg);
}

/* Form */
.form-control,
.form-select {
    border-radius: 8px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-nav {
        text-align: center;
    }

    .card {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 576px) {
    h2 {
        font-size: 1.5rem;
    }

    .btn {
        font-size: 0.9rem;
    }
}

/* SweetAlert2 Customization */
.swal2-popup {
    font-family: 'Prompt', sans-serif;
    border-radius: 10px;
}

.swal2-confirm {
    background-color: var(--primary-color) !important;
    border-radius: 8px !important;
}

.swal2-cancel {
    background-color: var(--secondary-color) !important;
    border-radius: 8px !important;
}

.swal2-input,
.swal2-select {
    border-radius: 8px !important;
}