:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --dark: #1f2937;
    --light: #f3f4f6;
}

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

body {
    font-family: 'Kanit', sans-serif;
    background: url('../images/bg.jpg') no-repeat center center fixed;
    background-size: cover;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.85) 0%, rgba(118, 75, 162, 0.85) 100%);
    z-index: -1;
}

main {
    flex: 1;
}

.navbar {
    background: #ffffff !important;
    background-color: #ffffff !important;
    background-image: none !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.navbar.bg-white {
    background: #ffffff !important;
}

.bg-gradient-primary {
    background: #ffffff !important;
}

.navbar-brand {
    font-size: 1.3rem;
    transition: transform 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.nav-link {
    transition: all 0.3s ease;
    border-radius: 8px;
    padding: 0.5rem 1rem !important;
    color: #4b5563 !important;
}

.nav-link:hover {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--primary) !important;
    transform: translateY(-2px);
}

.nav-link.btn {
    color: #ffffff !important;
    font-weight: 600;
    padding: 0.5rem 1.5rem !important;
    border: none;
}

.nav-link.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

.nav-link.btn-primary:hover {
    background: linear-gradient(135deg, #5568d3 0%, #6a4190 100%) !important;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.6);
    transform: translateY(-3px);
}

.nav-link.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.4);
}

.nav-link.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%) !important;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.6);
    transform: translateY(-3px);
}

.card {
    transition: all 0.3s ease;
    border: none;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.form-control, .form-select {
    border-radius: 8px;
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

.table {
    border-radius: 8px;
    overflow: hidden;
}

.table thead {
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.table-hover tbody tr:hover {
    background-color: rgba(99, 102, 241, 0.1);
    transform: scale(1.01);
    transition: all 0.2s ease;
}

.item-icon {
    max-width: 50px;
    max-height: 50px;
    margin-right: 8px;
    vertical-align: middle;
}

.item-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: left;
    align-items: center;
    justify-content: center;
}

.item-entry {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    line-height: 1.5;
}

.item-icon-small {
    width: 24px;
    height: 24px;
    object-fit: contain;
    flex-shrink: 0;
}

.table td:has(.item-list),
.table th:has(.item-list) {
    min-width: 200px;
}

.table td.item-column,
.table th.item-column {
    min-width: 200px;
}

@media (max-width: 576px) {
    .item-entry {
        font-size: 0.8rem;
    }

    .item-icon-small {
        width: 20px;
        height: 20px;
    }

    .table td:has(.item-list),
    .table th:has(.item-list),
    .table td.item-column,
    .table th.item-column {
        min-width: 180px;
    }
}

.alert {
    border-radius: 8px;
    border: none;
}

.footer {
    margin-top: auto;
}

@media (max-width: 768px) {
    .navbar-brand span {
        font-size: 1rem;
    }

    .card-body {
        padding: 1.5rem !important;
    }

    h1, .h1 {
        font-size: 1.75rem;
    }

    h4, .h4 {
        font-size: 1.25rem;
    }
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        background: white;
        border-radius: 12px;
        margin-top: 1rem;
        padding: 1rem;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .navbar-nav .nav-item {
        margin-bottom: 0.5rem;
    }

    .navbar-nav .nav-link {
        padding: 0.75rem 1rem !important;
        border-radius: 8px;
        font-size: 1rem;
    }

    .navbar-nav .nav-item:has(.nav-link.btn) {
        margin-top: 0.75rem;
        margin-bottom: 0.75rem;
    }

    .navbar-nav .nav-link.btn {
        padding: 0.875rem 1.5rem !important;
        font-size: 1.05rem;
        width: 100%;
        text-align: center;
        margin: 0;
    }

    .navbar-nav .nav-link.btn-primary {
        margin-bottom: 0.75rem;
    }

    .navbar-nav .nav-link.btn-success {
        margin-bottom: 0;
    }

    .navbar-nav .nav-item:last-child:has(.nav-link:not(.btn)) {
        margin-bottom: 1rem;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeIn 0.5s ease;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

.badge {
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-weight: 500;
}

.nav-tabs {
    border-bottom: 2px solid #e5e7eb;
}

.nav-tabs .nav-link {
    border: none;
    color: #6b7280;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
}

.nav-tabs .nav-link.active {
    background-color: transparent;
    color: var(--primary);
    border-bottom: 3px solid var(--primary);
}

.nav-tabs .nav-link:hover {
    background-color: rgba(99, 102, 241, 0.1);
}

.nav-pills .nav-link {
    border-radius: 8px;
    font-weight: 500;
    color: #6b7280;
    transition: all 0.3s ease;
}

.nav-pills .nav-link:hover {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

.nav-pills .nav-link.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white !important;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}

.qr-modal-body {
    text-align: center;
    padding: 2rem;
}

.qr-image {
    max-width: 300px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.status-icon {
    font-size: 1.2rem;
    margin-right: 0.5rem;
}

.pagination {
    margin-top: 1rem;
}

.page-link {
    border-radius: 6px;
    margin: 0 2px;
    border: none;
    color: var(--primary);
}

.page-link:hover {
    background-color: var(--primary);
    color: white;
}

.page-item.active .page-link {
    background-color: var(--primary);
    border-color: var(--primary);
}