@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@300;400;500;600;700&display=swap');

html, body {
    height: 100%;
    font-family: 'Sarabun', sans-serif;
    background: #f0f2f5;
}

/* Navbar */
.navbar-default {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    box-shadow: 0 2px 15px rgba(0,0,0,0.15);
}

.navbar-default .navbar-brand,
.navbar-default .navbar-nav > li > a {
    color: #fff;
    transition: all 0.3s ease;
}

.navbar-default .navbar-brand:hover,
.navbar-default .navbar-nav > li > a:hover {
    color: #ffeaa7;
    background: rgba(255,255,255,0.1);
}

.navbar-default .navbar-nav > .open > a,
.navbar-default .navbar-nav > .open > a:hover,
.navbar-default .navbar-nav > .open > a:focus {
    background: rgba(0,0,0,0.15);
    color: #fff;
}

.navbar-default .navbar-toggle .icon-bar {
    background-color: #fff;
}

.navbar-default .navbar-toggle:hover,
.navbar-default .navbar-toggle:focus {
    background: rgba(255,255,255,0.2);
}

.navbar-default .navbar-nav > .dropdown > a .caret {
    border-top-color: #fff;
    border-bottom-color: #fff;
}

.dropdown-menu {
    border: none;
    box-shadow: 0 5px 25px rgba(0,0,0,0.15);
    border-radius: 8px;
}

.dropdown-menu > li > a {
    padding: 8px 20px;
    color: #555;
    transition: all 0.2s;
}

.dropdown-menu > li > a:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

/* Panels / Cards */
.panel {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    margin-bottom: 25px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.panel:hover {
    box-shadow: 0 5px 25px rgba(0,0,0,0.12);
}

.panel-default > .panel-heading {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 12px 12px 0 0;
    padding: 14px 18px;
    font-weight: 600;
    font-size: 15px;
    border: none;
}

.panel-default > .panel-heading .btn {
    margin-top: -3px;
}

.panel-body {
    padding: 20px;
    background: #fff;
    border-radius: 0 0 12px 12px;
}

.panel-footer {
    background: #f8f9fa;
    border-radius: 0 0 12px 12px;
    border-top: 1px solid #eee;
    padding: 12px 18px;
}

/* Tables */
.table {
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 0;
}

.table thead tr th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    font-weight: 600;
    border: none;
    padding: 12px 10px;
    font-size: 13px;
    letter-spacing: 0.3px;
}

.table thead tr th a {
    color: #fff;
}

.table tbody tr {
    transition: background 0.2s;
}

.table tbody tr:hover {
    background: #f0f4ff;
}

.table tbody tr td {
    padding: 10px;
    vertical-align: middle;
    border-top: 1px solid #f0f0f0;
}

.table-bordered {
    border: 1px solid #e8e8e8;
}

.table-bordered > thead > tr > th {
    border: none;
}

.table-bordered > tbody > tr > td {
    border: 1px solid #f0f0f0;
}

.table-striped > tbody > tr:nth-of-type(odd) {
    background-color: #fafbff;
}

/* Buttons */
.btn {
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s;
    border: none;
    padding: 8px 18px;
    font-size: 13px;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd6 0%, #6a4197 100%);
}

.btn-success {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.btn-success:hover {
    background: linear-gradient(135deg, #0e8a80 0%, #2dd46f 100%);
}

.btn-warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #fff;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #e082e8 0%, #e04a5e 100%);
    color: #fff;
}

.btn-danger {
    background: linear-gradient(135deg, #e52d27 0%, #b31217 100%);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #d12822 0%, #a00f13 100%);
}

.btn-info {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: #fff;
}

.btn-info:hover {
    background: linear-gradient(135deg, #3f9ef0 0%, #00dae4 100%);
    color: #fff;
}

.btn-xs {
    padding: 4px 10px;
    font-size: 11px;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
}

.btn-group-sm > .btn {
    padding: 6px 14px;
    border-radius: 6px;
    margin: 0 2px;
}

/* Labels */
.label {
    border-radius: 4px;
    font-weight: 500;
    padding: 4px 10px;
    font-size: 11px;
}

.label-warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.label-info {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.label-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.label-success {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.label-danger {
    background: linear-gradient(135deg, #e52d27 0%, #b31217 100%);
}

/* Forms */
.form-control {
    border-radius: 8px;
    border: 2px solid #e8e8e8;
    box-shadow: none;
    transition: all 0.3s;
    height: 40px;
    font-size: 14px;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

textarea.form-control {
    height: auto;
}

select.form-control {
    height: 40px;
}

.form-group label {
    font-weight: 600;
    color: #555;
    margin-bottom: 6px;
}

.input-sm {
    height: 34px;
    font-size: 13px;
}

/* Pagination */
.pagination > li > a,
.pagination > li > span {
    border: none;
    margin: 0 3px;
    border-radius: 6px !important;
    color: #667eea;
    transition: all 0.3s;
    padding: 8px 14px;
}

.pagination > li > a:hover,
.pagination > li > span:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.pagination > .active > a,
.pagination > .active > a:hover,
.pagination > .active > span {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: #fff;
}

/* Jumbotron */
.jumbotron {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 16px;
    padding: 50px 40px;
    text-align: center;
    margin-top: 20px;
}

.jumbotron h1 {
    font-weight: 700;
    font-size: 36px;
    margin-bottom: 15px;
}

.jumbotron p {
    font-size: 18px;
    opacity: 0.9;
}

.jumbotron .btn {
    font-size: 18px;
    padding: 14px 40px;
    border-radius: 30px;
    background: #fff;
    color: #667eea;
    font-weight: 600;
}

.jumbotron .btn:hover {
    background: #f8f9fa;
    color: #764ba2;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 10px;
    padding: 14px 20px;
    font-weight: 500;
}

.alert-success {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    color: #fff;
}

.alert-danger {
    background: linear-gradient(135deg, #e52d27 0%, #b31217 100%);
    color: #fff;
}

.alert-info {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: #fff;
}

.alert-warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #fff;
}

.alert .close {
    color: #fff;
    opacity: 0.8;
}

/* Tabs/Nav Pills */
.nav-pills > li > a {
    border-radius: 8px;
    transition: all 0.3s;
    color: #667eea;
    font-weight: 500;
}

.nav-pills > li > a:hover {
    background: rgba(102, 126, 234, 0.1);
}

.nav-pills > li.active > a,
.nav-pills > li.active > a:hover,
.nav-pills > li.active > a:focus {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

/* Well */
.well {
    border: none;
    border-radius: 10px;
    box-shadow: none;
    background: #f8f9fa;
}

/* Page header */
.page-header {
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
}

/* Modal */
.modal-content {
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 12px 12px 0 0;
    border: none;
}

.modal-header .close {
    color: #fff;
    opacity: 0.8;
}

.modal-footer {
    border-top: 1px solid #eee;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f0f2f5;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 20px 0;
    margin-top: 40px;
}

/* Select2 overrides */
.select2-container--default .select2-selection--single {
    border: 2px solid #e8e8e8 !important;
    border-radius: 8px !important;
    height: 40px !important;
    padding: 5px 10px;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 38px !important;
}

.select2-container--default .select2-selection--single:focus {
    border-color: #667eea !important;
}

/* Card grid for reports */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.card-grid .panel {
    margin-bottom: 0;
}

/* Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel {
    animation: fadeIn 0.3s ease-out;
}

/* Responsive tables */
@media (max-width: 767px) {
    .table-responsive {
        border: none;
        margin-bottom: 0;
    }
}

/* Print */
@media print {
    #non-printable { display: none; }
    .navbar-default { background: #333 !important; }
    body { background: #fff; }
    .panel { box-shadow: none; }
    .panel-default > .panel-heading { background: #333 !important; }
}