/* Exhibitor Management System Styles */

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

:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #16a34a;
    --danger-color: #dc2626;
    --warning-color: #f59e0b;
    --info-color: #0ea5e9;
    --dark-color: #0f172a;
    --light-color: #f8fafc;
    --border-color: #e2e8f0;
    --surface-color: #ffffff;
    --muted-color: #94a3b8;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
    --radius-md: 12px;
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-5: 40px;
}

body {
    font-family: 'Source Sans 3', 'IBM Plex Sans', 'Noto Sans', 'Segoe UI', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    letter-spacing: 0.01em;
    color: #1f2937;
    background: #f6f7fb;
}

/* Login Page */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #e2e8f0 0%, #f8fafc 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-box {
    background: var(--surface-color);
    padding: 24px 24px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.login-logo {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-2);
}

.login-logo img {
    height: 56px;
    width: auto;
}

.login-box h2 {
    margin-bottom: 10px;
    color: var(--dark-color);
}

.login-box .subtitle {
    margin-bottom: var(--space-3);
    color: var(--secondary-color);
    font-size: 14px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.login-remember-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    font-size: 13px;
}

.login-remember-row a {
    color: var(--primary-color);
    text-decoration: none;
}

.login-remember-row a:hover {
    text-decoration: underline;
}

.lang-switch {
    margin-top: 20px;
    text-align: center;
}

.lang-switch a {
    color: var(--primary-color);
    text-decoration: none;
}

.security-question-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.security-question-row input[type="text"] {
    flex: 1;
}

.captcha-refresh {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    color: var(--secondary-color);
    background: var(--light-color);
    text-decoration: none;
    font-size: 16px;
    transition: all 0.2s ease;
}

.captcha-refresh:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: #eff6ff;
}

/* Top Bar + Menu (Bootstrap) */
.topbar {
    background: #62b24a;
    color: #fff;
}

.menu-bar {
    background: #5ba53a;
    border-top: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 10px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

.brand-text {
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: 0.02em;
}

.nav-user {
    font-size: 13px;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .topbar .d-flex.align-items-center.justify-content-between.py-2 {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .brand-text {
        font-size: 16px;
        line-height: 1.2;
    }
}

.menu-bar .nav-link {
    color: #ffffff;
    font-weight: 500;
    padding: 0.6rem 1.3rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    font-size: 14px;
    letter-spacing: 0.01em;
    position: relative;
}

.menu-bar .nav-link:hover,
.menu-bar .nav-link.active {
    background: rgba(255,255,255,0.18);
}

.menu-bar .nav-link i {
    font-size: 14px;
}

@media (max-width: 992px) {
    .menu-bar .navbar-nav {
        gap: 6px;
    }

    .menu-bar .nav-link {
        width: 100%;
        justify-content: flex-start;
        border-radius: 8px;
        padding: 0.55rem 0.9rem;
    }
}

/* Main Content */
.main-content {
    padding: var(--space-2) var(--space-2) var(--space-4);
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 28px;
    color: var(--dark-color);
}

.header-actions {
    display: flex;
    gap: var(--space-1);
}

/* Alerts */
.alert {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
    box-shadow: var(--shadow-sm);
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--danger-color);
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--success-color);
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border-left: 4px solid var(--warning-color);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 360px;
    z-index: 10000;
}

.toast-notification {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin-bottom: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background: #475569;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #15803d;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: #b91c1c;
}

.btn-info {
    background: var(--info-color);
    color: white;
}

.btn-info:hover {
    background: #0284c7;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 10px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-save {
    background: var(--primary-color) !important;
    color: white !important;
    font-size: 16px;
    padding: 12px 40px;
    border-radius: var(--radius-md);
}

.btn-save:hover {
    background: #148a5b !important;
}

.btn-edit {
    background: var(--info-color);
    color: white;
}

/* Master Data */
.master-data-card .nav-tabs {
    border-bottom: 1px solid var(--border-color);
}

.master-data-card .nav-link {
    font-weight: 600;
    color: var(--secondary-color);
}

.master-data-card .nav-link.active {
    color: var(--dark-color);
}

.master-data-table th,
.master-data-table td {
    vertical-align: middle;
}

/* Forms */
.form-group {
    margin-bottom: var(--space-2);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-1);
    font-weight: 600;
    color: var(--dark-color);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"],
.form-group input[type="url"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-md);
    font-size: 14px;
    background: var(--surface-color);
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

/* Company Form - 2 Column Layout (Label Left, Input Right) */
.company-form {
    max-width: 1000px;
}

.form-row {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    align-items: start;
}

.form-label {
    padding-top: 10px;
}

.form-label label {
    font-weight: 500;
    color: var(--dark-color);
}

.form-input input,
.form-input select,
.form-input textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-md);
    font-size: 14px;
}

.form-input input:focus,
.form-input select:focus,
.form-input textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-actions {
    margin-top: var(--space-3);
    text-align: right;
}

/* Company form label-left layout */
.company-form-row {
    display: grid;
    grid-template-columns: minmax(160px, 220px) 1fr;
    gap: 16px;
    margin-bottom: 16px;
    align-items: flex-start;
}

.company-form-row.align-top {
    align-items: flex-start;
}

.company-form-label {
    font-weight: 500;
    color: var(--dark-color);
    white-space: normal;
    line-height: 1.4;
}

.company-form-label::after {
    content: ':';
    margin-left: 4px;
}

.file-picker {
    display: flex;
    align-items: center;
    gap: 8px;
}

.file-picker-name {
    color: var(--secondary-color);
    font-size: 12px;
}

.file-input-hidden {
    position: absolute;
    left: -9999px;
}

/* Image Preview */
.image-preview {
    margin-top: 10px;
}

.image-preview img {
    max-width: 300px;
    max-height: 200px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.file-preview {
    margin-top: 10px;
}

.file-preview a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
}

/* Tabs */
.tab-container {
    margin-top: 20px;
}

.tabs {
    display: flex;
    gap: var(--space-1);
    list-style: none;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-3);
}

.tab-item {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: 10px 18px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
    color: var(--secondary-color);
    border-radius: 10px 10px 0 0;
}

.tab-item:hover {
    color: var(--primary-color);
    background: var(--light-color);
}

.tab-item.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
    background: #eff6ff;
}

.tab-item .badge {
    background: var(--primary-color);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
}
.card,
.stat-card,
.modal-content,
.filter-section,
.table,
.data-table,
.login-box {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    background: var(--surface-color);
}

@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }

    .header-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .company-form-row,
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Bootstrap 5 tabs - ensure proper hiding of inactive tabs */
.tab-content > .tab-pane {
    display: none;
}

.tab-content > .tab-pane.active,
.tab-content > .tab-pane.show {
    display: block;
}

/* Ensure inactive tabs don't take up space - more specific rule */
.tab-content .tab-pane:not(.show):not(.active) {
    display: none !important;
    visibility: hidden;
    height: 0;
    overflow: hidden;
    padding: 0;
    margin: 0;
}

/* Ensure form columns are equal height and perfectly aligned */
.tab-pane .row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
}

.tab-pane .col-md-6 {
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.tab-pane .col-md-6 > h6 {
    margin-bottom: 1rem;
    min-height: 2rem;
}

.tab-pane .col-md-6 > .mb-3 {
    margin-bottom: 1rem !important;
    display: flex;
    flex-direction: column;
    min-height: 4.5rem;
}

.tab-pane .col-md-6 > .mb-3 > .form-label {
    margin-bottom: 0.5rem;
    min-height: 1.5rem;
    font-weight: 500;
}

.tab-pane .col-md-6 > .mb-3 > .form-control,
.tab-pane .col-md-6 > .mb-3 > .form-select,
.tab-pane .col-md-6 > .mb-3 > textarea.form-control {
    min-height: 38px;
}

.tab-pane .col-md-6 > .mb-3 > small.text-muted {
    margin-top: 0.25rem;
    font-size: 0.875rem;
    min-height: 1.25rem;
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.data-table thead {
    background: var(--primary-color);
    color: white;
}

.data-table th,
.data-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table tbody tr:hover {
    background: var(--light-color);
}

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

.company-table-wrapper {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
    padding: 16px 16px 8px;
    margin-top: 16px;
}

.company-table-wrapper table thead th {
    border-bottom-width: 1px;
    font-weight: 600;
    white-space: nowrap;
}

.company-table-wrapper table tbody td {
    vertical-align: middle;
}

.badge-table-wrapper {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
    padding: 16px 16px 8px;
    margin-top: 16px;
}

.badge-table-wrapper table thead th {
    border-bottom-width: 1px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-table-wrapper table tbody td {
    vertical-align: middle;
}

/* Product Grid */
.product-container {
    padding: 20px;
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.product-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s;
}

.product-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.product-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-image .no-image {
    font-size: 48px;
    color: var(--border-color);
}

.product-info {
    padding: 15px;
}

.product-info h4 {
    margin-bottom: 5px;
    color: var(--dark-color);
}

.product-name-zh {
    color: var(--secondary-color);
    font-size: 13px;
}

.product-category {
    margin-top: 8px;
    padding: 4px 8px;
    background: var(--light-color);
    border-radius: 4px;
    font-size: 12px;
    display: inline-block;
}

.product-actions {
    padding: 15px;
    display: flex;
    gap: 10px;
    border-top: 1px solid var(--border-color);
}

/* Badge Container */
.badge-container {
    padding: 20px;
}

.badge-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: black;
}

/* Dashboard Stats */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.stat-info h3 {
    font-size: 32px;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.stat-info p {
    color: var(--secondary-color);
    font-size: 14px;
}

/* Filter Section */
.filter-section {
    background: white;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.filter-form {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--dark-color);
}

.filter-group input,
.filter-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 14px;
}

/* Dashboard Section */
.dashboard-section {
    margin-top: 30px;
}

.dashboard-section h2 {
    margin-bottom: 20px;
    color: var(--dark-color);
}

/* Responsive */
@media (max-width: 768px) {
    .login-container {
        max-width: 100%;
        padding: 16px;
    }

    .login-box {
        padding: 20px 20px 18px;
    }

    .login-logo img {
        height: 44px;
    }

    /* Company table – mobile layout */
    .company-table-wrapper {
        padding: 12px 12px 4px;
        border-radius: 10px;
        box-shadow: 0 2px 8px rgba(15,23,42,0.06);
    }

    #companiesTable {
        font-size: 12px;
    }

    /* Hide less important columns on very small screens: country, hall, booth, category, sales rep */
    #companiesTable thead th:nth-child(3),
    #companiesTable thead th:nth-child(4),
    #companiesTable thead th:nth-child(5),
    #companiesTable thead th:nth-child(6),
    #companiesTable thead th:nth-child(7),
    #companiesTable tbody td:nth-child(3),
    #companiesTable tbody td:nth-child(4),
    #companiesTable tbody td:nth-child(5),
    #companiesTable tbody td:nth-child(6),
    #companiesTable tbody td:nth-child(7) {
        display: none;
    }

    /* DataTables top controls stacked nicely */
    .dataTables_wrapper .row:first-child {
        flex-direction: column;
        gap: 6px;
    }

    .dataTables_wrapper .dataTables_length,
    .dataTables_wrapper .dataTables_filter {
        text-align: left;
        width: 100%;
    }

    /* Badge table – mobile layout */
    .badge-table-wrapper {
        padding: 12px 12px 4px;
        border-radius: 10px;
        box-shadow: 0 2px 8px rgba(15,23,42,0.06);
    }

    .badge-table-wrapper table {
        font-size: 12px;
    }

    /* Hide less critical badge columns: position, email */
    .badge-table-wrapper thead th:nth-child(3),
    .badge-table-wrapper thead th:nth-child(5),
    .badge-table-wrapper tbody td:nth-child(3),
    .badge-table-wrapper tbody td:nth-child(5) {
        display: none;
    }

    .filter-section {
        padding: 16px;
        border-radius: 12px;
    }

    .filter-form {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .filter-group {
        width: 100%;
        min-width: 0;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .page-header h1 {
        font-size: 22px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
}