/* Basic Reset & Root Variables */
:root {
    --aks-primary-color: #007bff;
    --aks-secondary-color: #6c757d;
    --aks-success-color: #28a745;
    --aks-danger-color: #dc3545;
    --aks-warning-color: #ffc107;
    --aks-info-color: #17a2b8;
    --aks-light-color: #f8f9fa;
    --aks-dark-color: #343a40;
    --aks-text-color: #212529;
    --aks-muted-color: #6c757d;
    --aks-border-color: #dee2e6;
    --aks-card-bg: #fff;
    --aks-body-bg: #f4f6f9;
    --aks-font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    --aks-border-radius: 0.25rem;
    --aks-box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --aks-spacing-sm: 0.5rem;
    --aks-spacing-md: 1rem;
    --aks-spacing-lg: 1.5rem;
    --aks-spacing-xl: 2rem;
}

body {
    font-family: var(--aks-font-family);
    background-color: var(--aks-body-bg);
    color: var(--aks-text-color);
    line-height: 1.6;
    margin: 0;
}

/* Page Container */
.aks-page-container {
    max-width: 1920px;
    margin: var(--aks-spacing-lg) auto;
    padding: 0 var(--aks-spacing-md);
    box-sizing: border-box;
}

/* Header */
.aks-page-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--aks-spacing-lg);
    padding-bottom: var(--aks-spacing-md);
    border-bottom: 1px solid var(--aks-border-color);
}

.aks-header-content h1 {
    margin: 0 0 var(--aks-spacing-sm) 0;
    font-size: 1.8rem;
    font-weight: 500;
}

.aks-header-description {
    color: var(--aks-muted-color);
    margin: 0;
}

.aks-header-actions {
    display: flex;
    gap: var(--aks-spacing-sm);
}

/* Buttons */
.aks-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--aks-spacing-sm);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: var(--aks-border-radius);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s ease-in-out;
}

    .aks-btn i {
        font-size: 0.8em; /* Adjust icon size relative to text */
    }

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

    .aks-btn-primary:hover {
        background-color: #0056b3;
        border-color: #0056b3;
    }

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

    .aks-btn-secondary:hover {
        background-color: #5a6268;
        border-color: #5a6268;
    }

.aks-btn-small {
    padding: 0.3rem 0.7rem;
    font-size: 0.8rem;
}

.aks-text-button {
    background: none;
    border: none;
    color: var(--aks-primary-color);
    cursor: pointer;
    padding: 0;
    font-size: 0.9rem;
    text-decoration: underline;
}

    .aks-text-button:hover {
        color: #0056b3;
    }

/* Alerts */
.aks-alert {
    display: flex;
    align-items: center;
    gap: var(--aks-spacing-sm);
    padding: var(--aks-spacing-md);
    margin-bottom: var(--aks-spacing-md);
    border-radius: var(--aks-border-radius);
    border: 1px solid transparent;
}

.aks-alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.aks-alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.aks-alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

.aks-alert-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 1.2rem;
    font-weight: bold;
    opacity: 0.7;
    cursor: pointer;
    padding: 0 var(--aks-spacing-sm);
}

    .aks-alert-close:hover {
        opacity: 1;
    }

/* Dashboard Stats */
.aks-dashboard-stats {
    margin-bottom: var(--aks-spacing-lg);
}

.aks-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--aks-spacing-md);
}

.aks-stat-item {
    background-color: var(--aks-card-bg);
    padding: var(--aks-spacing-md);
    border-radius: var(--aks-border-radius);
    box-shadow: var(--aks-box-shadow);
    text-align: center;
}

.aks-stat-badge {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: var(--aks-spacing-sm);
}

.aks-stat-label {
    font-size: 0.9rem;
    color: var(--aks-muted-color);
    margin-bottom: var(--aks-spacing-sm);
}

.aks-stat-sublabel {
    font-size: 0.8rem;
    min-height: 1.2rem; /* Prevent layout shift */
}

.aks-stat-badge-success {
    color: var(--aks-success-color);
}

.aks-stat-badge-warning {
    color: var(--aks-warning-color);
}

.aks-inline-form {
    display: inline;
}

/* Card & Tabs */
.aks-card {
    background-color: var(--aks-card-bg);
    border-radius: var(--aks-border-radius);
    box-shadow: var(--aks-box-shadow);
    margin-bottom: var(--aks-spacing-lg);
    overflow: hidden; /* Contain borders */
}

.aks-tabs-nav {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    border-bottom: 1px solid var(--aks-border-color);
    background-color: var(--aks-light-color);
}

.aks-tab-item {
    padding: var(--aks-spacing-md) var(--aks-spacing-lg);
    cursor: pointer;
    color: var(--aks-muted-color);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px; /* Overlap border */
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: var(--aks-spacing-sm);
}

    .aks-tab-item.active {
        color: var(--aks-primary-color);
        border-bottom-color: var(--aks-primary-color);
        font-weight: 500;
    }

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

.aks-tab-badge {
    background-color: var(--aks-secondary-color);
    color: white;
    font-size: 0.75rem;
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
}

.aks-tab-badge-warning {
    background-color: var(--aks-warning-color);
    color: var(--aks-dark-color);
}

.aks-tab-content {
    display: none;
    padding: var(--aks-spacing-lg);
}

    .aks-tab-content.active {
        display: block;
    }

/* Filter Bar */
.aks-filter-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--aks-spacing-md);
    margin-bottom: var(--aks-spacing-lg);
    padding: var(--aks-spacing-md);
    background-color: var(--aks-light-color);
    border-radius: var(--aks-border-radius);
}

.aks-search-container {
    position: relative;
    flex-grow: 1;
}

.aks-search-input {
    padding: 0.5rem 2.5rem 0.5rem 1rem; /* Space for icon */
    border: 1px solid var(--aks-border-color);
    border-radius: var(--aks-border-radius);
    width: 100%;
    box-sizing: border-box;
    max-width: 300px;
}

.aks-search-icon {
    position: absolute;
    right: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--aks-muted-color);
}

.aks-filter-options label {
    display: flex;
    align-items: center;
    gap: var(--aks-spacing-sm);
    font-size: 0.9rem;
    cursor: pointer;
}

/* Empty State */
.aks-empty-state {
    text-align: center;
    padding: var(--aks-spacing-xl);
    color: var(--aks-muted-color);
}

.aks-empty-state__icon {
    font-size: 3rem;
    color: var(--aks-success-color);
    margin-bottom: var(--aks-spacing-md);
}

.aks-empty-state__message {
    font-size: 1.1rem;
}

/* Unmapped Units Grid */
.aks-unmapped-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--aks-spacing-md);
}

.aks-unmapped-card {
    border: 1px solid var(--aks-border-color);
    border-radius: var(--aks-border-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background-color: #fff; /* Slightly different for visual separation */
}

.aks-unmapped-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--aks-spacing-sm) var(--aks-spacing-md);
    background-color: var(--aks-light-color);
    border-bottom: 1px solid var(--aks-border-color);
}

    .aks-unmapped-header h3 {
        margin: 0;
        font-size: 1rem;
        font-weight: 600;
    }

.aks-badge {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border-radius: var(--aks-border-radius);
    background-color: var(--aks-light-color);
    border: 1px solid var(--aks-border-color);
    color: var(--aks-muted-color);
}

    .aks-badge.aks-badge-system {
        background-color: #e2e3e5;
        border-color: #d6d8db;
        color: #495057;
    }

    .aks-badge.aks-badge-success {
        background-color: #d4edda;
        border-color: #c3e6cb;
        color: #155724;
    }

    .aks-badge.aks-badge-warning {
        background-color: #fff3cd;
        border-color: #ffeeba;
        color: #856404;
    }

.aks-unmapped-examples {
    padding: var(--aks-spacing-md);
    font-size: 0.85rem;
    color: var(--aks-muted-color);
    flex-grow: 1;
}

.aks-unmapped-example {
    margin-bottom: var(--aks-spacing-sm);
}

.aks-unmapped-form {
    padding: var(--aks-spacing-md);
    border-top: 1px solid var(--aks-border-color);
    background-color: #fdfdfd;
}

.aks-unmapped-actions {
    text-align: right;
    margin-top: var(--aks-spacing-md);
}

/* Form Elements */
.aks-form-group {
    margin-bottom: var(--aks-spacing-md);
}

    .aks-form-group label {
        display: block;
        margin-bottom: var(--aks-spacing-sm);
        font-weight: 500;
        font-size: 0.9rem;
    }

.aks-input, .aks-select {
    width: 100%;
    padding: 0.5rem 0.8rem;
    border: 1px solid var(--aks-border-color);
    border-radius: var(--aks-border-radius);
    box-sizing: border-box;
    font-size: 0.9rem;
}

.aks-select {
    /* Appearance for select dropdown arrow */
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.8rem center;
    background-size: 16px 12px;
}

.aks-input[readonly] {
    background-color: var(--aks-light-color);
    cursor: not-allowed;
}

.aks-form-text {
    font-size: 0.8rem;
    color: var(--aks-muted-color);
    margin-top: var(--aks-spacing-sm);
    display: block;
}

.aks-form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--aks-spacing-sm);
}

    .aks-form-checkbox input[type="checkbox"] {
        margin: 0;
    }

    .aks-form-checkbox label {
        margin-bottom: 0;
        font-weight: normal;
    }

/* Tables */
.aks-table-container {
    overflow-x: auto; /* Make table responsive */
}

.aks-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--aks-spacing-md);
}

    .aks-table th, .aks-table td {
        padding: 0.8rem;
        text-align: left;
        vertical-align: middle;
        border-bottom: 1px solid var(--aks-border-color);
    }

    .aks-table th {
        font-weight: 600;
        font-size: 0.9rem;
        background-color: var(--aks-light-color);
    }

.aks-table-hover tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.03);
}

.aks-system-mapping td {
    color: var(--aks-muted-color);
    font-style: italic;
}

.aks-action-buttons {
    display: flex;
    gap: var(--aks-spacing-sm);
    align-items: center;
}

.aks-action-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--aks-muted-color);
    padding: 0.2rem;
    font-size: 1rem;
    line-height: 1; /* Prevent extra space */
}

    .aks-action-btn:hover {
        color: var(--aks-primary-color);
    }

    .aks-action-btn.aks-delete-btn:hover {
        color: var(--aks-danger-color);
    }

.aks-action-disabled {
    color: var(--aks-muted-color);
    cursor: not-allowed;
    font-size: 1rem;
}

/* Info Box */
.aks-info-box {
    display: flex;
    align-items: flex-start; /* Align icon to top */
    gap: var(--aks-spacing-md);
    padding: var(--aks-spacing-md);
    border-radius: var(--aks-border-radius);
    background-color: var(--aks-light-color);
    border: 1px solid var(--aks-border-color);
    margin-bottom: var(--aks-spacing-lg);
}

.aks-info-box-warning {
    background-color: #fff3cd;
    border-color: #ffeeba;
}

.aks-info-icon {
    font-size: 1.5rem;
    color: var(--aks-info-color);
    flex-shrink: 0; /* Prevent icon shrinking */
    margin-top: 0.2rem; /* Align with text */
}

.aks-info-box-warning .aks-info-icon {
    color: var(--aks-warning-color);
}

.aks-info-content h3 {
    margin: 0 0 var(--aks-spacing-sm) 0;
    font-size: 1.1rem;
    font-weight: 500;
}

.aks-info-content p {
    margin: 0;
    font-size: 0.9rem;
}

/* Default Mappings Section */
.aks-default-mappings-info {
    padding: var(--aks-spacing-md) 0 0 0; /* Padding only on top */
}

.aks-default-mappings-container { /* Can add specific styling if needed */
}

/* Modals */
.aks-modal {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 1050; /* Above most other content */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto; /* Enable scroll if needed */
    background-color: rgba(0, 0, 0, 0.5); /* Dim background */
}

.aks-modal-content {
    position: relative;
    background-color: var(--aks-card-bg);
    margin: 5% auto; /* Centered vertically and horizontally */
    padding: 0;
    border: 1px solid rgba(0,0,0,.2);
    border-radius: var(--aks-border-radius);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    width: 90%;
    max-width: 600px; /* Max width for modals */
    animation: fadeIn 0.3s; /* Simple fade-in */
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.aks-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--aks-spacing-md) var(--aks-spacing-lg);
    border-bottom: 1px solid var(--aks-border-color);
}

    .aks-modal-header h3 {
        margin: 0;
        font-size: 1.25rem;
        font-weight: 500;
    }

.aks-modal-close {
    font-size: 1.5rem;
    font-weight: bold;
    line-height: 1;
    color: #000;
    text-shadow: 0 1px 0 #fff;
    opacity: 0.5;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
}

    .aks-modal-close:hover {
        opacity: 0.8;
    }

.aks-modal-body {
    padding: var(--aks-spacing-lg);
}

.aks-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--aks-spacing-sm);
    padding: var(--aks-spacing-md) var(--aks-spacing-lg);
    border-top: 1px solid var(--aks-border-color);
    background-color: var(--aks-light-color);
    border-bottom-left-radius: var(--aks-border-radius);
    border-bottom-right-radius: var(--aks-border-radius);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .aks-page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--aks-spacing-md);
    }

    .aks-header-actions {
        width: 100%;
        justify-content: space-between; /* Or start */
    }

    .aks-stat-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .aks-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .aks-search-container {
        max-width: none;
    }

    .aks-search-input {
        max-width: none;
    }

    .aks-tabs-nav {
        overflow-x: auto;
        white-space: nowrap;
        scrollbar-width: thin; /* Firefox */
    }

        .aks-tabs-nav::-webkit-scrollbar { /* WebKit */
            height: 4px;
        }

        .aks-tabs-nav::-webkit-scrollbar-thumb {
            background-color: var(--aks-border-color);
        }

    .aks-modal-content {
        margin: 10% auto; /* More margin on smaller screens */
        width: 95%;
    }
}

@media (max-width: 576px) {
    .aks-stat-grid {
        grid-template-columns: 1fr 1fr; /* Two columns on small screens */
    }

    .aks-unmapped-grid {
        grid-template-columns: 1fr; /* Single column on very small screens */
    }

    .aks-header-actions .aks-btn {
        flex-grow: 1; /* Make buttons fill space */
        justify-content: center;
    }

    .aks-modal-footer {
        flex-direction: column-reverse; /* Stack buttons */
    }

        .aks-modal-footer .aks-btn {
            width: 100%;
            justify-content: center;
        }
}