/*
 * CSoft Component Library — components.css
 * =========================================
 * Semantic CSS classes for consistent UI across FrontEnd and BackEnd areas.
 * All colours reference CSS custom properties defined in themes/theme-*.css
 * for white-label support.
 *
 * Usage during Bootstrap → Tailwind migration:
 *   Before: <button class="btn btn-primary">Save</button>
 *   After:  <button class="btn-cs-primary">Save</button>
 *
 * Contents:
 *   1. Buttons
 *   2. Cards
 *   3. Forms
 *   4. Tables
 *   5. Badges
 *   6. Alerts
 *   7. Page Header
 */

/* ============================================================
   1. BUTTONS
   ============================================================ */

/* Base — shared by all button variants */
.btn-cs {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.125rem;
    border-radius: 0.375rem;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 150ms ease, border-color 150ms ease,
                color 150ms ease, box-shadow 150ms ease;
    outline: none;
}

.btn-cs:focus-visible {
    box-shadow: 0 0 0 3px var(--ring-primary);
}

.btn-cs:disabled,
.btn-cs[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Size variants */
.btn-cs-sm {
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    gap: 0.25rem;
}

.btn-cs-lg {
    padding: 0.625rem 1.5rem;
    font-size: 1rem;
    gap: 0.5rem;
}

/* Primary */
.btn-cs-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.125rem;
    border-radius: 0.375rem;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 150ms ease, border-color 150ms ease,
                color 150ms ease, box-shadow 150ms ease;
    background-color: var(--color-primary);
    color: var(--color-primary-fg);
}

.btn-cs-primary:hover {
    background-color: var(--color-primary-hover);
    color: var(--color-primary-fg);
    text-decoration: none;
}

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

.btn-cs-primary:focus-visible {
    box-shadow: 0 0 0 3px var(--ring-primary);
    outline: none;
}

.btn-cs-primary:disabled,
.btn-cs-primary[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Secondary — outlined gray */
.btn-cs-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.125rem;
    border-radius: 0.375rem;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 150ms ease, border-color 150ms ease,
                color 150ms ease;
    background-color: var(--color-secondary-bg);
    color: var(--color-secondary-fg);
    border: 1px solid var(--color-secondary-border);
}

.btn-cs-secondary:hover {
    background-color: var(--color-secondary-hover-bg);
    border-color: var(--color-secondary-hover-border);
    color: var(--color-secondary-hover-fg);
    text-decoration: none;
}

.btn-cs-secondary:active {
    background-color: var(--color-secondary-active-bg);
}

.btn-cs-secondary:focus-visible {
    box-shadow: 0 0 0 3px var(--ring-secondary);
    outline: none;
}

.btn-cs-secondary:disabled,
.btn-cs-secondary[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Danger — red */
.btn-cs-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.125rem;
    border-radius: 0.375rem;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 150ms ease, color 150ms ease;
    background-color: var(--color-destructive);
    color: var(--color-destructive-fg);
}

.btn-cs-danger:hover {
    background-color: var(--color-destructive-hover);
    color: var(--color-destructive-fg);
    text-decoration: none;
}

.btn-cs-danger:active {
    background-color: var(--color-destructive-active);
}

.btn-cs-danger:focus-visible {
    box-shadow: 0 0 0 3px var(--ring-destructive);
    outline: none;
}

.btn-cs-danger:disabled,
.btn-cs-danger[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Success — green */
.btn-cs-success {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.125rem;
    border-radius: 0.375rem;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 150ms ease, color 150ms ease;
    background-color: var(--color-success);
    color: var(--color-success-fg);
}

.btn-cs-success:hover {
    background-color: var(--color-success-hover);
    color: var(--color-success-fg);
    text-decoration: none;
}

.btn-cs-success:focus-visible {
    box-shadow: 0 0 0 3px var(--ring-success);
    outline: none;
}

.btn-cs-success:disabled,
.btn-cs-success[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Ghost — transparent with primary text */
.btn-cs-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.125rem;
    border-radius: 0.375rem;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 150ms ease, color 150ms ease;
    background-color: transparent;
    color: var(--color-primary);
}

.btn-cs-ghost:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary-hover);
    text-decoration: none;
}

.btn-cs-ghost:focus-visible {
    box-shadow: 0 0 0 3px var(--ring-primary-light);
    outline: none;
}

.btn-cs-ghost:disabled,
.btn-cs-ghost[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Icon-only — square, no label */
.btn-cs-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.875rem;
    height: 1.875rem;
    padding: 0;
    border-radius: 0.375rem;
    border: 1px solid var(--color-secondary-border);
    background-color: var(--color-surface);
    color: var(--color-secondary-fg);
    cursor: pointer;
    transition: background-color 150ms ease, border-color 150ms ease,
                color 150ms ease;
    text-decoration: none;
}

.btn-cs-icon:hover {
    background-color: var(--color-surface-subtle);
    border-color: var(--color-secondary-hover-border);
    color: var(--color-foreground);
    text-decoration: none;
}

.btn-cs-icon:focus-visible {
    box-shadow: 0 0 0 3px var(--ring-secondary);
    outline: none;
}

.btn-cs-icon.btn-cs-sm {
    width: 1.75rem;
    height: 1.75rem;
}

.btn-cs-icon.btn-cs-lg {
    width: 2.75rem;
    height: 2.75rem;
}

/* Size modifiers applied to any variant */
.btn-cs-primary.btn-cs-sm,
.btn-cs-secondary.btn-cs-sm,
.btn-cs-danger.btn-cs-sm,
.btn-cs-success.btn-cs-sm,
.btn-cs-ghost.btn-cs-sm {
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    gap: 0.25rem;
}

.btn-cs-primary.btn-cs-lg,
.btn-cs-secondary.btn-cs-lg,
.btn-cs-danger.btn-cs-lg,
.btn-cs-success.btn-cs-lg,
.btn-cs-ghost.btn-cs-lg {
    padding: 0.625rem 1.5rem;
    font-size: 1rem;
    gap: 0.5rem;
}


/* ============================================================
   2. CARDS
   ============================================================ */

.cs-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.07);
    overflow: hidden;
}

.cs-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-surface-muted);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-foreground);
}

.cs-card-header-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-foreground);
}

.cs-card-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cs-card-body {
    padding: 1rem 1.5rem;
}

.cs-card-footer {
    padding: 0.75rem 1.5rem;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-surface-muted);
    font-size: 0.875rem;
    color: var(--color-foreground-subtle);
}

/* Stat card — dashboard KPI cards with colored left accent */
.cs-stat-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    border-left-width: 4px;
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.07);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: box-shadow 200ms ease;
}

.cs-stat-card:hover {
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

.cs-stat-card-icon {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cs-stat-card-label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-foreground-subtle);
}

.cs-stat-card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-foreground);
    line-height: 1;
    margin-top: 0.25rem;
}

.cs-stat-card-delta {
    font-size: 0.75rem;
    color: var(--color-foreground-faint);
    margin-top: 0.25rem;
}

/* Stat card accent colours */
.cs-stat-card-primary {
    border-left-color: var(--stat-primary-accent);
}

.cs-stat-card-primary .cs-stat-card-icon {
    background-color: var(--stat-primary-icon-bg);
    color: var(--stat-primary-icon-fg);
}

.cs-stat-card-success {
    border-left-color: var(--stat-success-accent);
}

.cs-stat-card-success .cs-stat-card-icon {
    background-color: var(--stat-success-icon-bg);
    color: var(--stat-success-icon-fg);
}

.cs-stat-card-warning {
    border-left-color: var(--stat-warning-accent);
}

.cs-stat-card-warning .cs-stat-card-icon {
    background-color: var(--stat-warning-icon-bg);
    color: var(--stat-warning-icon-fg);
}

.cs-stat-card-danger {
    border-left-color: var(--stat-danger-accent);
}

.cs-stat-card-danger .cs-stat-card-icon {
    background-color: var(--stat-danger-icon-bg);
    color: var(--stat-danger-icon-fg);
}

.cs-stat-card-accent {
    border-left-color: var(--stat-accent-accent);
}

.cs-stat-card-accent .cs-stat-card-icon {
    background-color: var(--stat-accent-icon-bg);
    color: var(--stat-accent-icon-fg);
}


/* ============================================================
   3. FORMS
   ============================================================ */

.cs-form-group {
    margin-bottom: 1rem;
}

.cs-form-row {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .cs-form-row-2 { grid-template-columns: repeat(2, 1fr); }
    .cs-form-row-3 { grid-template-columns: repeat(3, 1fr); }
    .cs-form-row-4 { grid-template-columns: repeat(4, 1fr); }
}

.cs-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-foreground-muted);
    margin-bottom: 0.125rem;
}

.cs-label-required::after {
    content: ' *';
    color: var(--color-destructive);
}

.cs-input,
.cs-select,
.cs-textarea {
    display: block;
    width: 100%;
    padding: 0.3125rem 0.625rem;
    font-size: 0.8125rem;
    line-height: 1.125rem;
    color: var(--color-foreground);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-input);
    border-radius: 0.375rem;
    transition: border-color 150ms ease, box-shadow 150ms ease;
    outline: none;
    box-sizing: border-box;
}

.cs-input:focus,
.cs-select:focus,
.cs-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--ring-primary-light);
}

.cs-input:disabled,
.cs-select:disabled,
.cs-textarea:disabled {
    background-color: var(--color-surface-muted);
    color: var(--color-foreground-faint);
    cursor: not-allowed;
}

.cs-input::placeholder,
.cs-textarea::placeholder {
    color: var(--color-foreground-faint);
}

.cs-textarea {
    resize: vertical;
    min-height: 5rem;
    padding: 0.5rem 0.75rem;
}

.cs-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1rem;
    padding-right: 1.75rem;
}

/* Validation states */
.cs-input-error,
.cs-select-error,
.cs-textarea-error {
    border-color: var(--color-destructive);
}

.cs-input-error:focus,
.cs-select-error:focus,
.cs-textarea-error:focus {
    border-color: var(--color-destructive);
    box-shadow: 0 0 0 3px var(--ring-destructive-light);
}

.cs-input-success,
.cs-select-success {
    border-color: var(--color-success);
}

.cs-input-success:focus,
.cs-select-success:focus {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px var(--ring-success-light);
}

.cs-form-hint {
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--color-foreground-subtle);
}

.cs-form-error-text {
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--color-destructive);
}

.cs-form-success-text {
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--color-success);
}

/* Checkbox & Radio */
.cs-checkbox,
.cs-radio {
    width: 1rem;
    height: 1rem;
    accent-color: var(--color-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.cs-checkbox-group,
.cs-radio-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cs-checkbox-group .cs-label,
.cs-radio-group .cs-label {
    margin-bottom: 0;
    cursor: pointer;
    font-weight: 400;
}

/* Search filter container — the bordered filter panel pattern */
.cs-filter-panel {
    background-color: var(--color-surface-muted);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
}


/* ============================================================
   4. TABLES
   ============================================================ */

.cs-table-wrapper {
    width: 100%;
    overflow-x: auto;
    border-radius: 0.5rem;
    border: 1px solid var(--color-border);
}

.cs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
    color: var(--color-foreground-muted);
    background-color: var(--color-surface);
}

.cs-table thead {
    background-color: var(--color-surface-muted);
    border-bottom: 1px solid var(--color-border);
}

.cs-table thead th {
    padding: 0.5rem 0.75rem;
    text-align: left;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-foreground-subtle);
    white-space: nowrap;
}

.cs-table tbody tr {
    border-bottom: 1px solid var(--color-border-muted);
    transition: background-color 100ms ease;
}

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

.cs-table tbody tr:hover {
    background-color: var(--color-surface-muted);
}

.cs-table tbody td,
.cs-table tbody th {
    padding: 0.5rem 0.75rem;
    vertical-align: middle;
    text-align: left;
}

/* Striped variant */
.cs-table-striped tbody tr:nth-child(even) {
    background-color: var(--color-surface-muted);
}

.cs-table-striped tbody tr:nth-child(even):hover {
    background-color: var(--color-surface-subtle);
}

/* Compact variant */
.cs-table-compact thead th,
.cs-table-compact tbody td,
.cs-table-compact tbody th {
    padding: 0.375rem 0.625rem;
}

/* Sticky header */
.cs-table-sticky thead {
    position: sticky;
    top: 0;
    z-index: 1;
    box-shadow: 0 1px 2px rgb(0 0 0 / 0.06);
}

/* Actions column — right-align for edit/delete buttons */
.cs-table .cs-table-actions {
    text-align: right;
    white-space: nowrap;
}

/* DataTables 2.x Base — CSoft design-system overrides.
   The base DT2 CSS (dataTables.dataTables.css) provides flex layout,
   scroll containers, and default styling. We override visual details
   (inputs, pagination, colours) to match the active theme.
   All font sizes are standardized here so every DataTable is consistent. */

/* --- Layout rows: enforce top/bottom bar positioning --- */
div.dt-container .dt-layout-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    flex-wrap: wrap;
}

div.dt-container .dt-layout-row:first-child {
    margin-bottom: 0.625rem;
}

div.dt-container .dt-layout-row:last-child {
    margin-top: 0.625rem;
}

div.dt-container .dt-layout-start,
div.dt-container .dt-layout-end {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

/* --- Base container font --- */
div.dt-container {
    font-size: 0.8125rem;
    color: var(--color-foreground-muted);
}

/* --- Table cell font standardization --- */
table.dataTable thead th,
table.dataTable thead td {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    color: var(--color-foreground-dim);
    padding: 0.5rem 0.75rem;
}

table.dataTable tbody td,
table.dataTable tbody th {
    font-size: 0.75rem;
    color: var(--color-foreground-body);
    padding: 0.5rem 0.75rem;
    vertical-align: middle;
}

/* --- Search input --- */
div.dt-container .dt-search input {
    border: 1px solid var(--color-border-input);
    border-radius: 0.375rem;
    padding: 0.3rem 0.625rem;
    font-size: 0.75rem;
    color: var(--color-foreground-muted);
    outline: none;
}

div.dt-container .dt-search input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--ring-primary-light);
}

div.dt-container .dt-search label {
    font-size: 0.75rem;
    color: var(--color-foreground-subtle);
}

/* --- Length menu select --- */
div.dt-container .dt-length select {
    border: 1px solid var(--color-border-input);
    border-radius: 0.375rem;
    padding: 0.2rem 0.4rem;
    font-size: 0.75rem;
    color: var(--color-foreground-muted);
    outline: none;
}

div.dt-container .dt-length select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--ring-primary-light);
}

div.dt-container .dt-length label {
    font-size: 0.75rem;
    color: var(--color-foreground-subtle);
}

/* --- Info row --- */
div.dt-container .dt-info {
    font-size: 0.75rem;
    color: var(--color-foreground-subtle);
}

/* --- Pagination --- */
div.dt-container .dt-paging .dt-paging-button {
    border-radius: 0.375rem;
    font-size: 0.75rem;
    min-width: 2rem;
    padding: 0.3rem 0.625rem;
    color: var(--color-foreground-muted) !important;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
}

div.dt-container .dt-paging .dt-paging-button:hover {
    background: var(--color-surface-subtle) !important;
    border-color: var(--color-border-input) !important;
    color: var(--color-foreground) !important;
}

div.dt-container .dt-paging .dt-paging-button.current,
div.dt-container .dt-paging .dt-paging-button.current:hover {
    background: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    color: var(--color-primary-fg) !important;
}

div.dt-container .dt-paging .dt-paging-button.disabled,
div.dt-container .dt-paging .dt-paging-button.disabled:hover {
    color: var(--color-foreground-faint) !important;
    background: transparent !important;
    border-color: transparent !important;
}

/* --- Table cell borders and hover --- */
table.dataTable.cs-table {
    width: 100% !important;
}

table.dataTable thead th {
    border-bottom: 1px solid var(--color-border);
}

table.dataTable tbody td {
    border-bottom: 1px solid var(--color-border-muted);
}

table.dataTable tbody tr:hover {
    background-color: var(--color-surface-muted);
}

/* --- Scroll containers --- */
.cs-table-wrapper .dt-scroll {
    width: 100% !important;
}

.cs-table-wrapper .dt-scroll-body {
    overflow-x: auto !important;
}


/* ============================================================
   5. BADGES
   ============================================================ */

.cs-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1rem;
    border-radius: 9999px;
    white-space: nowrap;
}

/* Colour variants */
.cs-badge-primary {
    background-color: var(--badge-primary-bg);
    color: var(--badge-primary-fg);
}

.cs-badge-success {
    background-color: var(--badge-success-bg);
    color: var(--badge-success-fg);
}

.cs-badge-warning {
    background-color: var(--badge-warning-bg);
    color: var(--badge-warning-fg);
}

.cs-badge-danger {
    background-color: var(--badge-danger-bg);
    color: var(--badge-danger-fg);
}

.cs-badge-info {
    background-color: var(--badge-info-bg);
    color: var(--badge-info-fg);
}

.cs-badge-gray {
    background-color: var(--badge-gray-bg);
    color: var(--badge-gray-fg);
}

.cs-badge-purple {
    background-color: var(--badge-purple-bg);
    color: var(--badge-purple-fg);
}

/* Solid variants (filled, white text) */
.cs-badge-solid-primary {
    background-color: var(--color-primary);
    color: var(--color-primary-fg);
}

.cs-badge-solid-success {
    background-color: var(--color-success);
    color: var(--color-success-fg);
}

.cs-badge-solid-warning {
    background-color: var(--color-warning);
    color: var(--color-primary-fg);
}

.cs-badge-solid-danger {
    background-color: var(--color-destructive);
    color: var(--color-destructive-fg);
}

.cs-badge-solid-gray {
    background-color: var(--color-foreground-subtle);
    color: var(--color-primary-fg);
}

/* Dot indicator before text */
.cs-badge-dot::before {
    content: '';
    display: inline-block;
    width: 0.4375rem;
    height: 0.4375rem;
    border-radius: 50%;
    background-color: currentColor;
    flex-shrink: 0;
}


/* ============================================================
   6. ALERTS
   ============================================================ */

.cs-alert:empty,
.cs-alert.validation-summary-valid,
.validation-summary-valid {
    display: none !important;
}

.cs-alert {
    display: flex;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    border-width: 1px;
    border-style: solid;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.cs-alert-icon {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.0625rem;
}

.cs-alert-content {
    flex: 1;
    min-width: 0;
}

.cs-alert-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
}

.cs-alert-body {
    font-size: 0.875rem;
    line-height: 1.5;
}

/* Colour variants */
.cs-alert-success {
    background-color: var(--alert-success-bg);
    border-color: var(--alert-success-border);
    color: var(--alert-success-fg);
}

.cs-alert-warning {
    background-color: var(--alert-warning-bg);
    border-color: var(--alert-warning-border);
    color: var(--alert-warning-fg);
}

.cs-alert-danger {
    background-color: var(--alert-danger-bg);
    border-color: var(--alert-danger-border);
    color: var(--alert-danger-fg);
}

.cs-alert-info {
    background-color: var(--alert-info-bg);
    border-color: var(--alert-info-border);
    color: var(--alert-info-fg);
}

/* Dismissible — adds close button slot */
.cs-alert-dismissible {
    position: relative;
    padding-right: 3rem;
}

.cs-alert-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.25rem;
    border: none;
    background: transparent;
    cursor: pointer;
    color: currentColor;
    opacity: 0.6;
    transition: opacity 150ms ease, background-color 150ms ease;
    padding: 0;
}

.cs-alert-close:hover {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.08);
}


/* ============================================================
   7. PAGE HEADER
   ============================================================ */

.cs-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
}

.cs-page-header-left {
    flex: 1;
    min-width: 0;
}

.cs-page-header-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    flex-wrap: wrap;
}

.cs-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: var(--color-foreground-faint);
    margin-bottom: 0.375rem;
    list-style: none;
    padding: 0;
    margin-top: 0;
    flex-wrap: wrap;
}

.cs-breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.cs-breadcrumb-item a {
    color: var(--color-foreground-subtle);
    text-decoration: none;
    transition: color 150ms ease;
}

.cs-breadcrumb-item a:hover {
    color: var(--color-primary);
}

.cs-breadcrumb-item:not(:last-child)::after {
    content: '/';
    color: var(--color-border-input);
    font-size: 0.75rem;
}

.cs-breadcrumb-item:last-child {
    color: var(--color-foreground-muted);
    font-weight: 500;
}

.cs-page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-foreground);
    line-height: 1.3;
    margin: 0;
}

.cs-page-subtitle {
    font-size: 0.875rem;
    color: var(--color-foreground-subtle);
    margin-top: 0.25rem;
    margin-bottom: 0;
}

/* Compact header — for detail/edit pages with less emphasis */
.cs-page-header-compact {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.cs-page-header-compact .cs-page-title {
    font-size: 1.25rem;
}


/* ============================================================
   UTILITY HELPERS
   (small single-purpose classes used alongside components)
   ============================================================ */

/* Divider */
.cs-divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 1.5rem 0;
}

/* Empty state — centred message when list is empty */
.cs-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--color-foreground-faint);
}

.cs-empty-state-icon {
    width: 3rem;
    height: 3rem;
    margin-bottom: 0.75rem;
    color: var(--color-border-input);
}

.cs-empty-state-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-foreground-subtle);
    margin-bottom: 0.25rem;
}

.cs-empty-state-text {
    font-size: 0.875rem;
    color: var(--color-foreground-faint);
}

/* Loading spinner (inline) */
.cs-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: cs-spin 0.7s linear infinite;
}

.cs-spinner-lg {
    width: 2rem;
    height: 2rem;
    border-width: 3px;
}

@keyframes cs-spin {
    to { transform: rotate(360deg); }
}


/* ============================================================
   8. GRID HELPERS
   12-column grid to replace Bootstrap's row/col-md-* system.
   Usage: wrap fields in .cs-grid, assign .cs-col-* to each cell.
   ============================================================ */

.cs-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1rem;
    align-items: start;
}

.cs-col-1  { grid-column: span 1; }
.cs-col-2  { grid-column: span 2; }
.cs-col-3  { grid-column: span 3; }
.cs-col-4  { grid-column: span 4; }
.cs-col-5  { grid-column: span 5; }
.cs-col-6  { grid-column: span 6; }
.cs-col-7  { grid-column: span 7; }
.cs-col-8  { grid-column: span 8; }
.cs-col-9  { grid-column: span 9; }
.cs-col-10 { grid-column: span 10; }
.cs-col-11 { grid-column: span 11; }
.cs-col-12 { grid-column: span 12; }

/* Stack all columns on small screens */
@media (max-width: 767px) {
    .cs-col-1, .cs-col-2, .cs-col-3, .cs-col-4,
    .cs-col-5, .cs-col-6, .cs-col-7, .cs-col-8,
    .cs-col-9, .cs-col-10, .cs-col-11, .cs-col-12 {
        grid-column: span 12;
    }
}


/* ============================================================
   9. MODAL
   Vanilla-JS modal overlay — no Bootstrap dependency.
   Usage: <div id="myModal" class="cs-modal-overlay"> ... </div>
   JS:    csOpenModal('myModal') / csCloseModal('myModal')
   ============================================================ */

.cs-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1050;
    background-color: var(--color-overlay);
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.cs-modal-overlay.is-open {
    display: flex;
}

.cs-modal-dialog {
    background-color: var(--color-surface);
    border-radius: 0.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 32rem;
    max-height: 90vh;
    overflow-y: auto;
}

.cs-modal-dialog-lg { max-width: 48rem; }
.cs-modal-dialog-xl { max-width: 64rem; }

.cs-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-foreground);
}

.cs-modal-body {
    padding: 1rem 1.5rem;
}

.cs-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-top: 1px solid var(--color-border);
}

/* ============================================================
   10. COMPACT SEARCH FORM
   Shared component for data-dense search forms above grids.
   Usage: <form class="cs-compact-form" ...>
   ============================================================ */

/* --- Inputs & selects --- */
.cs-compact-form .form-control,
.cs-compact-form .form-select {
    height: 24px !important;
    min-height: 24px !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    line-height: 24px !important;
    font-size: 12px !important;
    margin-bottom: 0 !important;
}

/* --- Labels --- */
.cs-compact-form .label {
    padding: 0 !important;
    margin: 0 !important;
    line-height: 24px !important;
    font-size: 12px !important;
    font-weight: normal !important;
    white-space: nowrap !important;
}

/* --- Spacing resets --- */
.cs-compact-form .row { margin-bottom: 0 !important; }
.cs-compact-form .mb-0 { margin-bottom: 0 !important; }
.cs-compact-form [class*="col-"] { padding-top: 0 !important; padding-bottom: 0 !important; padding-left: 0.25rem !important; padding-right: 0.25rem !important; }

/* --- Buttons (compact) --- */
.cs-compact-form .btn {
    height: 24px !important;
    min-height: 24px !important;
    line-height: 14px !important;
    padding: 4px 10px !important;
    font-size: 11px !important;
    font-weight: 500 !important;
    border-radius: 0.25rem !important;
}

.cs-compact-form .btn-primary {
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    color: var(--color-primary-fg) !important;
}
.cs-compact-form .btn-primary:hover {
    background-color: var(--color-primary-hover) !important;
    border-color: var(--color-primary-hover) !important;
}

.cs-compact-form .btn-secondary {
    background-color: var(--color-foreground-subtle) !important;
    border-color: var(--color-foreground-subtle) !important;
    color: var(--color-primary-fg) !important;
}
.cs-compact-form .btn-secondary:hover {
    background-color: var(--color-foreground-dim) !important;
    border-color: var(--color-foreground-dim) !important;
}

.cs-compact-form .btn-outline-primary {
    background-color: transparent !important;
    border-color: var(--color-primary) !important;
    color: var(--color-primary) !important;
}
.cs-compact-form .btn-outline-primary:hover,
.cs-compact-form .btn-outline-primary.active {
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    color: var(--color-primary-fg) !important;
}

/* --- Syncfusion components (DropDownList, MultiSelect, TextBox) --- */
.cs-compact-form .e-input-group,
.cs-compact-form .e-input-group.e-control-wrapper {
    height: 24px !important;
    min-height: 24px !important;
    font-size: 12px !important;
}
.cs-compact-form .e-input-group input.e-input,
.cs-compact-form .e-input-group .e-input {
    height: 22px !important;
    font-size: 12px !important;
    padding: 0 6px !important;
    line-height: 22px !important;
}
.cs-compact-form .e-input-group .e-input-group-icon {
    min-height: 22px !important;
    min-width: 20px !important;
    font-size: 10px !important;
}
.cs-compact-form .e-input-group .e-clear-icon {
    min-height: 22px !important;
    min-width: 18px !important;
    font-size: 10px !important;
}
.cs-compact-form .e-multi-select-wrapper {
    min-height: 22px !important;
    padding: 0 4px !important;
}
.cs-compact-form .e-multi-select-wrapper .e-chips {
    height: 18px !important;
    font-size: 11px !important;
}
.cs-compact-form .e-multi-select-wrapper .e-searcher input[type="text"] {
    height: 22px !important;
    font-size: 12px !important;
}
.cs-compact-form .e-multi-select-wrapper .e-delim-values {
    font-size: 12px !important;
    line-height: 22px !important;
    padding: 0 !important;
}
.cs-compact-form .e-float-text,
.cs-compact-form .e-input-group input.e-input::placeholder {
    font-size: 12px !important;
}

/* Syncfusion popup/dropdown menus spawned from compact forms */
.e-popup .e-list-item,
.e-popup .e-item {
    height: 26px !important;
    line-height: 26px !important;
    font-size: 12px !important;
}
.e-popup .e-selectall-parent {
    height: 28px !important;
    line-height: 28px !important;
    font-size: 12px !important;
}
.e-popup .e-selectall-parent .e-all-text {
    font-size: 12px !important;
}
.e-popup .e-input-filter input {
    font-size: 12px !important;
    height: 24px !important;
}
.e-popup .e-checkbox-wrapper .e-frame {
    height: 14px !important;
    width: 14px !important;
    line-height: 14px !important;
}
.e-popup .e-checkbox-wrapper .e-label {
    font-size: 12px !important;
}
.e-popup .e-nodata,
.e-popup .e-content .e-nodata {
    font-size: 12px !important;
    padding: 4px 8px !important;
}

/* --- Button groups (SF/SM/AC/HA, PSF/PSM toggles) --- */
.cs-compact-form .btn-group { gap: 0 !important; }
.cs-compact-form .btn-group .btn { padding: 4px 8px !important; border-radius: 0 !important; }
.cs-compact-form .btn-group .btn:first-child { border-top-left-radius: 0.25rem !important; border-bottom-left-radius: 0.25rem !important; }
.cs-compact-form .btn-group .btn:last-child { border-top-right-radius: 0.25rem !important; border-bottom-right-radius: 0.25rem !important; }

/* --- Responsive helper classes --- */
.cs-compact-form .responsive-div { display: none; }

/* --- Mobile toggle button & responsive overrides --- */
body.mobile-menu-open .cs-compact-form-toggle { display: none !important; }

@media screen and (max-width: 1000px) {
    .cs-compact-form-toggle {
        position: fixed; top: 6rem; left: 0; right: 0; z-index: 30;
        padding: 6px 10px; width: 100%; text-align: center; border-radius: 0;
        box-shadow: 0 2px 4px rgba(0,0,0,0.2);
        background-color: var(--color-primary) !important; color: var(--color-primary-fg) !important;
        border: none; font-size: 0.875rem; cursor: pointer;
        margin: 0; height: 35px;
        display: block !important;
    }
    body.mobile-mode .cs-compact-form-toggle {
        top: 4rem;
    }
    .cs-compact-form { margin-top: 35px; display: none; }
    .cs-compact-form + #datagridContainer,
    .cs-compact-form ~ #datagridContainer {
        margin-top: 40px; margin-bottom: 0;
    }
    .cs-compact-form .responsive-div { display: block !important; width: auto !important; margin-bottom: 2px !important; }
    .cs-compact-form .col-mobile-0 { display: none !important; }
    .cs-page-header:has(~ .cs-compact-form-toggle) { margin-top: 35px; }
    .cs-page-header { margin-bottom: 0.5rem; padding-bottom: 0.5rem; }
}

/* ── CSoft Tab Component ─────────────────────────────── */
.cs-tab {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-foreground-subtle);
    border-bottom: 2px solid transparent;
    background: none;
    cursor: pointer;
    transition: all 0.15s ease;
}
.cs-tab:hover {
    color: var(--color-primary);
}
.cs-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}
.cs-tab-panel {
    display: none;
}
.cs-tab-panel.active {
    display: block;
}

/* ── CSoft Radio & Checkbox Components ───────────────── */
.cs-radio-group,
.cs-checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    align-items: center;
    margin-top: 0.25rem;
}

.cs-radio-item,
.cs-checkbox-item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.cs-radio,
.cs-checkbox {
    width: 0.9375rem;
    height: 0.9375rem;
    accent-color: var(--color-primary);
    cursor: pointer;
    flex-shrink: 0;
    margin: 0;
}

.cs-radio-label,
.cs-checkbox-label {
    font-size: 0.8125rem;
    line-height: 1.25rem;
    color: var(--color-foreground-muted);
    cursor: pointer;
    user-select: none;
    margin: 0;
}

.cs-checkbox-group.cs-checkbox-stacked {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.375rem;
}


/* ============================================================
   11. READONLY / DISABLED FIELD STYLING
   Reusable grey-out for readonly or disabled form controls.
   Apply .readonly-field to the control itself or its parent
   container; labels inside are kept readable.
   Also works with Syncfusion EJS NumericTextBox.
   ============================================================ */

.readonly-select {
    pointer-events: none;
    background-color: var(--color-readonly-bg);
    opacity: 1;
}

.readonly-field input,
.readonly-field .e-input-group input,
.readonly-field .e-numerictextbox .e-input,
.readonly-field select,
.readonly-field textarea,
input.readonly-field,
textarea.readonly-field,
select.readonly-field {
    background-color: var(--color-readonly-bg) !important;
    color: var(--color-readonly-fg) !important;
    opacity: 1 !important;
}

/* Keep labels readable inside readonly containers */
.readonly-field > label,
.readonly-field .cs-label,
.readonly-field .cs-checkbox-label,
.readonly-field .cs-radio-label {
    color: var(--color-foreground-muted) !important;
    background-color: transparent !important;
}

/* Syncfusion EJS NumericTextBox */
.e-numerictextbox.readonly-field .e-input,
.e-numerictextbox.readonly-field .e-input-group.e-control-wrapper .e-input {
    background-color: var(--color-readonly-bg) !important;
    color: var(--color-readonly-fg) !important;
}