/* ==========================================================================
   Components — Cards, buttons, tables, badges, modals, toasts, tooltips, etc.
   All values reference design tokens. No hardcoded values.
   ========================================================================== */

/* ==========================================================================
   CARDS
   ========================================================================== */

.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card--stat {
    display: flex;
    padding: var(--space-5);
    transition:
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
}

.card--stat:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.card--stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-right: var(--space-4);
}

.card--stat-icon svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
}

.card--stat-body {
    flex: 1;
    min-width: 0;
}

.card--stat-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    line-height: 1;
    color: var(--color-text-primary);
}

.card--stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.card--stat-trend {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    margin-top: var(--space-1);
}

.card--stat-trend.up {
    color: var(--color-success);
}

.card--stat-trend.down {
    color: var(--color-danger);
}

.card--stat-trend svg {
    width: 12px;
    height: 12px;
}

.card--flat {
    box-shadow: none;
    border: 1px solid var(--color-border);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-surface);
    gap: var(--space-3);
    flex-wrap: wrap;
}

.card-header-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.card-header-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.card-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.card-body {
    padding: var(--space-5);
}

.card-body--flush {
    padding: 0;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-gray-50);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
    transition: all var(--transition-fast);
}

.btn:hover {
    text-decoration: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn:disabled,
.btn.disabled,
.btn--loading {
    opacity: 0.55;
    pointer-events: none;
}

/* Sizes */
.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    border-radius: var(--radius-md);
}

/* Variants */
.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-light);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.btn-danger {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    color: var(--color-text-inverse);
}

.btn-danger:hover {
    background-color: var(--color-danger-dark);
    border-color: var(--color-danger-dark);
}

.btn-warning {
    background-color: var(--color-warning);
    border-color: var(--color-warning);
    color: #fff;
}

.btn-warning:hover {
    background-color: var(--color-warning-dark);
}

.btn-success {
    background-color: var(--color-success);
    border-color: var(--color-success);
    color: #fff;
}

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

.btn-info {
    background-color: var(--color-info);
    border-color: var(--color-info);
    color: #fff;
}

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

.btn-ghost {
    background-color: transparent;
    border-color: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover {
    background-color: var(--color-gray-100);
    color: var(--color-text-primary);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-border-strong);
    color: var(--color-text-secondary);
}

.btn-outline:hover {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-400);
    color: var(--color-text-primary);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-md);
}

.btn-icon.btn-sm {
    width: 28px;
    height: 28px;
}

.btn-icon.btn-lg {
    width: 44px;
    height: 44px;
}

/* Loading state */
.btn--loading {
    position: relative;
    color: transparent !important;
}

.btn--loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: var(--radius-full);
    animation: btn-spin 0.6s linear infinite;
}

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

/* Button group */
.btn-group {
    display: inline-flex;
    gap: 0;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.btn-group .btn + .btn {
    margin-left: -1px;
}

/* ==========================================================================
   TABLES
   ========================================================================== */

.table-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table-container-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
}

.table-container-header-title {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.table-container-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.data-table thead {
    position: sticky;
    top: 0;
    z-index: 1;
}

.data-table th {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-text-muted);
    background-color: var(--color-gray-50);
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
    cursor: default;
    user-select: none;
    transition: color var(--transition-fast);
}

.data-table th:hover {
    color: var(--color-text-primary);
}

/* Sortable columns — pointer cursor */
.data-table th[data-sort] {
    cursor: pointer;
}

.data-table th .sort-icon {
    display: inline-block;
    width: 12px;
    margin-left: var(--space-1);
    opacity: 0.4;
    transition:
        opacity var(--transition-fast),
        transform var(--transition-fast);
}

.data-table th.sorted .sort-icon {
    opacity: 1;
}

.data-table th.sorted-asc .sort-icon {
    transform: rotate(180deg);
}

.data-table td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-primary);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background-color var(--transition-fast);
}

.data-table tbody tr:hover {
    background-color: var(--color-gray-50);
}

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

/* Zebra striping */
.data-table--striped tbody tr:nth-child(even) {
    background-color: var(--color-gray-50);
}

.data-table--striped tbody tr:nth-child(even):hover {
    background-color: var(--color-gray-100);
}

/* Bordered variant */
.data-table--bordered th,
.data-table--bordered td {
    border: 1px solid var(--color-border);
}

/* Sticky first column */
.data-table--sticky-first th:first-child,
.data-table--sticky-first td:first-child {
    position: sticky;
    left: 0;
    z-index: 2;
    background-color: var(--color-gray-50);
}

.data-table--sticky-first tbody td:first-child {
    background-color: var(--color-surface);
}

.data-table--sticky-first tbody tr:hover td:first-child {
    background-color: var(--color-gray-50);
}

/* Table row status colours */
.data-table tr.row-locked {
    background-color: var(--color-gray-100);
}

.data-table tr.row-locked td {
    color: var(--color-text-muted);
}

.data-table tr.row-error {
    background-color: var(--color-danger-light);
}

/* Table empty state */
.table-empty {
    padding: var(--space-12) var(--space-6);
    text-align: center;
}

.table-empty svg {
    width: 64px;
    height: 64px;
    color: var(--color-gray-300);
    margin-bottom: var(--space-4);
}

.table-empty-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
}

.table-empty-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

/* Table skeleton loading */
.table-skeleton-row td {
    padding: var(--space-3) var(--space-4);
}

.skeleton-bar {
    height: 14px;
    border-radius: var(--radius-sm);
    background: linear-gradient(
        90deg,
        var(--color-gray-200) 25%,
        var(--color-gray-100) 50%,
        var(--color-gray-200) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
}

@keyframes skeleton-shimmer {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Table pagination */
.table-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-gray-50);
}

.table-pagination-info {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.pagination {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
    padding: 0;
    margin: 0;
}

.pagination-item {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 var(--space-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    background: var(--color-surface);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.pagination-item:hover {
    background-color: var(--color-gray-50);
    color: var(--color-primary);
    border-color: var(--color-primary);
    text-decoration: none;
}

.pagination-item.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.pagination-item.disabled {
    opacity: 0.4;
    pointer-events: none;
}

/* Per-page selector */
.per-page-select {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.per-page-select select {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-sm);
    background: var(--color-surface);
    color: var(--color-text-primary);
}

/* ==========================================================================
   BADGES
   ========================================================================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 0.15em 0.6em;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-success {
    background-color: #587464;
    color: var(--color-success-dark);
}

.badge-warning {
    background-color: #9c7b05;
    color: var(--color-warning-dark);
}

.badge-danger {
    background-color: var(--color-danger-light);
    color: var(--color-danger-dark);
}

.badge-info {
    background-color: #9c7b05;
    color: var(--color-info-dark);
}

/* Neutral badge: gray-200 bg / gray-700 text - readable in both modes */
.badge-neutral {
    background-color: var(--color-gray-400);
    color: var(--color-gray-700);
}

.badge-primary {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

/* Accent badge: warm amber - readable on both light and dark */
.badge-accent {
    background-color: #9c7b05;
    color: #7d5306;
}

/* ==========================================================================
   FORMS
   ========================================================================== */

.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    margin-bottom: var(--space-1);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.form-label .required {
    color: var(--color-danger);
    margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
    display: block;
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(31, 56, 100, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

/* Small size variants */
.form-input-sm {
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
}

.form-select-sm {
    padding: var(--space-1) var(--space-6) var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-select {
    appearance: none;
    /* Arrow colour: #64748B for light mode */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    padding-right: var(--space-8);
}

/* Validation states */
.form-input.is-valid,
.form-select.is-valid {
    border-color: var(--color-success);
}

.form-input.is-valid:focus,
.form-select.is-valid:focus {
    box-shadow: 0 0 0 3px rgba(30, 132, 73, 0.15);
}

.form-input.is-invalid,
.form-select.is-invalid {
    border-color: var(--color-danger);
}

.form-input.is-invalid:focus,
.form-select.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.15);
}

.form-feedback {
    font-size: var(--font-size-xs);
    margin-top: var(--space-1);
}

.form-feedback.valid {
    color: var(--color-success);
}

.form-feedback.invalid {
    color: var(--color-danger);
}

.form-help {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

/* Floating labels */
.form-floating {
    position: relative;
}

.form-floating .form-input,
.form-floating .form-select,
.form-floating .form-textarea {
    padding-top: var(--space-5);
    padding-bottom: var(--space-2);
}

.form-floating .form-label {
    position: absolute;
    top: 50%;
    left: var(--space-3);
    transform: translateY(-50%);
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
    pointer-events: none;
}

.form-floating .form-input:focus ~ .form-label,
.form-floating .form-input:not(:placeholder-shown) ~ .form-label,
.form-floating .form-select:focus ~ .form-label,
.form-floating .form-textarea:focus ~ .form-label,
.form-floating .form-textarea:not(:placeholder-shown) ~ .form-label {
    top: var(--space-2);
    transform: translateY(0);
    font-size: var(--font-size-xs);
    color: var(--color-primary);
}

/* Checkbox & radio */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.form-check-input {
    width: 16px;
    height: 16px;
    margin-top: 2px;
    accent-color: var(--color-primary);
    flex-shrink: 0;
}

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

/* Toggle switch */
.form-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.form-toggle input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.form-toggle-track {
    width: 44px;
    height: 24px;
    border-radius: var(--radius-full);
    background-color: var(--color-gray-300);
    transition: background-color var(--transition-fast);
    position: relative;
}

.form-toggle-track::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    background-color: var(--color-white);
    box-shadow: var(--shadow-xs);
    transition: transform var(--transition-fast);
}

.form-toggle input:checked + .form-toggle-track {
    background-color: var(--color-primary);
}

.form-toggle input:checked + .form-toggle-track::after {
    transform: translateX(20px);
}

.form-toggle input:focus-visible + .form-toggle-track {
    box-shadow: 0 0 0 3px rgba(31, 56, 100, 0.2);
}

/* File upload area */
.form-upload {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    cursor: pointer;
    transition:
        border-color var(--transition-fast),
        background-color var(--transition-fast);
}

.form-upload:hover {
    border-color: var(--color-primary);
    background-color: var(--color-gray-50);
}

.form-upload.has-file {
    border-color: var(--color-success);
    border-style: solid;
}

.form-upload svg {
    width: 40px;
    height: 40px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.form-upload-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.form-upload-text strong {
    color: var(--color-primary);
}

.form-upload-filename {
    font-size: var(--font-size-xs);
    color: var(--color-success-dark);
    margin-top: var(--space-1);
}

/* Inline help / tooltip trigger */
.form-help-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    background: var(--color-gray-200);
    color: var(--color-text-muted);
    font-size: 10px;
    font-weight: var(--font-weight-bold);
    cursor: help;
    margin-left: var(--space-1);
}

/* ==========================================================================
   MODALS
   ========================================================================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background-color: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: modal-fade-in var(--transition-base);
}

@keyframes modal-fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-overlay > .modal {
    position: relative;
    z-index: var(--z-modal);
    width: 100%;
    max-width: 600px;
    max-height: calc(100vh - 2rem);
    background-color: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    animation: modal-slide-up var(--transition-base);
}

@keyframes modal-slide-up {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-overlay > .modal.modal--sm {
    max-width: 400px;
}
.modal-overlay > .modal.modal--lg {
    max-width: 800px;
}
.modal-overlay > .modal.modal--xl {
    max-width: 1000px;
}

.modal-overlay .modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.modal-overlay .modal-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.modal-overlay .modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.modal-overlay .modal-close:hover {
    background-color: var(--color-gray-100);
    color: var(--color-text-primary);
}

.modal-overlay > .modal .modal-body {
    padding: var(--space-6);
    overflow-y: auto;
    flex: 1;
}

.modal-overlay > .modal .modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}

/* Confirm dialog (inside .modal-overlay — avoids Bootstrap .modal conflict) */
.modal-overlay .confirm-dialog {
    position: relative;
    width: 100%;
    max-width: 600px;
    max-height: calc(100vh - 2rem);
    background-color: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    animation: modal-slide-up var(--transition-base);
}
.modal-overlay .confirm-dialog--sm {
    max-width: 400px;
}
.modal-overlay .confirm-dialog--lg {
    max-width: 800px;
}
.modal-overlay .confirm-dialog-body {
    padding: var(--space-6);
    overflow-y: auto;
    flex: 1;
}
.modal-overlay .confirm-dialog-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}

/* Confirmation modal */
.modal-confirm-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
}

.modal-confirm-icon.warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning);
}

.modal-confirm-icon.danger {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
}

.modal-confirm-icon svg {
    width: 28px;
    height: 28px;
}

.modal-confirm-message {
    text-align: center;
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.modal-confirm-consequences {
    background-color: var(--color-warning-light);
    border: 1px solid var(--color-warning);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-warning-dark);
    margin-bottom: var(--space-4);
}

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */

.toast-container {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-width: 400px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    animation: toast-slide-in var(--transition-base) ease-out;
    position: relative;
    overflow: hidden;
}

@keyframes toast-slide-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.removing {
    animation: toast-slide-out var(--transition-fast) ease-in forwards;
}

@keyframes toast-slide-out {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.toast-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 1px;
}

.toast-body {
    flex: 1;
    min-width: 0;
}

.toast-title {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    margin-bottom: 1px;
}

.toast-message {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.toast-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.toast-close:hover {
    background-color: var(--color-gray-100);
}

/* Toast types */
.toast-success {
    border-left: 3px solid var(--color-success);
}
.toast-success .toast-icon {
    color: var(--color-success);
}

.toast-error {
    border-left: 3px solid var(--color-danger);
}
.toast-error .toast-icon {
    color: var(--color-danger);
}

.toast-warning {
    border-left: 3px solid var(--color-warning);
}
.toast-warning .toast-icon {
    color: var(--color-warning);
}

.toast-info {
    border-left: 3px solid var(--color-info);
}
.toast-info .toast-icon {
    color: var(--color-info);
}

/* Toast progress bar */
.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background-color: var(--color-primary);
    animation: toast-progress linear forwards;
}

@keyframes toast-progress {
    from {
        width: 100%;
    }
    to {
        width: 0%;
    }
}

/* ==========================================================================
   TOOLTIPS
   ========================================================================== */

[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-1) var(--space-2);
    background-color: var(--color-gray-800);
    color: var(--color-text-inverse);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-normal);
    line-height: 1.4;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: var(--z-tooltip);
}

[data-tooltip]:hover::after,
[data-tooltip]:focus-visible::after {
    opacity: 1;
}

/* ==========================================================================
   PROGRESS BAR
   ========================================================================== */

.progress {
    width: 100%;
    height: 8px;
    background-color: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
    transition: width var(--transition-slow);
}

.progress-bar.success {
    background-color: var(--color-success);
}
.progress-bar.warning {
    background-color: var(--color-warning);
}
.progress-bar.danger {
    background-color: var(--color-danger);
}
.progress-bar.info {
    background-color: var(--color-info);
}

.progress--sm {
    height: 4px;
}
.progress--lg {
    height: 12px;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-1);
}

/* ==========================================================================
   ALERTS / BANNERS
   ========================================================================== */

.alert {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.alert svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 1px;
}

.alert-body {
    flex: 1;
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    opacity: 0.6;
    cursor: pointer;
    flex-shrink: 0;
}

.alert-success {
    background-color: var(--color-success-light);
    color: var(--color-success-dark);
    border: 1px solid var(--color-success);
}

.alert-danger {
    background-color: var(--color-danger-light);
    color: var(--color-danger-dark);
    border: 1px solid var(--color-danger);
}

.alert-warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning-dark);
    border: 1px solid var(--color-warning);
}

.alert-info {
    background-color: var(--color-info-light);
    color: var(--color-info-dark);
    border: 1px solid var(--color-info);
}

/* Session banner */
.session-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.session-banner-label {
    font-size: var(--font-size-sm);
    opacity: 0.85;
}

.session-banner-value {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
}

.session-banner select {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-sm);
}

.session-banner select option {
    color: var(--color-text-primary);
    background: var(--color-surface);
}

/* ==========================================================================
   STAT CARDS GRID
   ========================================================================== */

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

/* ==========================================================================
   FILTER CHIPS
   ========================================================================== */

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background-color: var(--color-gray-50);
    border-bottom: 1px solid var(--color-border);
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.filter-chip .filter-chip-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.25);
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 10px;
    line-height: 1;
    padding: 0;
    margin-left: var(--space-1);
}

.filter-chip .filter-chip-remove:hover {
    background: rgba(255, 255, 255, 0.4);
}

/* ==========================================================================
   BULK SELECTION / ACTION BAR (data-table multi-select)
   ========================================================================== */

.bulk-select-checkbox {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.bulk-action-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    background-color: var(--color-info-light);
    border-bottom: 1px solid var(--color-border);
    animation: bulk-action-bar-in var(--transition-fast);
}

.bulk-action-bar[hidden] {
    display: none;
}

[data-theme="dark"] .bulk-action-bar {
    background-color: var(--color-gray-100);
}

@keyframes bulk-action-bar-in {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.bulk-action-bar-count {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.bulk-action-bar-count #bulkSelectedCount {
    color: var(--color-primary);
    font-size: var(--font-size-base);
}

.bulk-action-bar-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
}

/* ==========================================================================
   ACTIVITY FEED / TIMELINE
   ========================================================================== */

.activity-feed {
    list-style: none;
    padding: 0;
    margin: 0;
}

.activity-item {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
    margin-top: 5px;
    flex-shrink: 0;
    position: relative;
}

.activity-dot::after {
    content: "";
    position: absolute;
    top: 10px;
    left: 4px;
    width: 2px;
    height: calc(100% + 1rem);
    background-color: var(--color-border);
}

.activity-item:last-child .activity-dot::after {
    display: none;
}

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

.activity-action {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.activity-meta {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.activity-time {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    white-space: nowrap;
}

/* ==========================================================================
   ONBOARDING CHECKLIST
   ========================================================================== */

.onboarding-banner {
    background: linear-gradient(
        135deg,
        var(--color-primary),
        var(--color-primary-light)
    );
    color: var(--color-text-inverse);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    margin-bottom: var(--space-6);
    position: relative;
    overflow: hidden;
}

.onboarding-banner::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
}

.onboarding-banner h3 {
    color: var(--color-text-inverse);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-3);
}

.onboarding-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.onboarding-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    font-size: var(--font-size-sm);
}

.onboarding-item a {
    color: var(--color-accent);
    font-weight: var(--font-weight-medium);
}

.onboarding-check {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    border: 2px solid rgba(255, 255, 255, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 12px;
}

.onboarding-item.done .onboarding-check {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-primary-dark);
}

.onboarding-dismiss {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: var(--color-text-inverse);
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: background-color var(--transition-fast);
}

.onboarding-dismiss:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* ==========================================================================
   QUICK ACTIONS GRID
   ========================================================================== */

.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-3);
}

.quick-action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    text-align: center;
    transition:
        transform var(--transition-fast),
        box-shadow var(--transition-fast),
        border-color var(--transition-fast);
}

.quick-action-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
    text-decoration: none;
}

.quick-action-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast);
}

.quick-action-card:hover .quick-action-icon {
    transform: scale(1.1);
}

.quick-action-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-primary);
    fill: none;
    stroke-width: 1.5;
}

.quick-action-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

/* ==========================================================================
   HELP PANEL (slide-in)
   ========================================================================== */

.help-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 380px;
    max-width: 100vw;
    background: var(--color-surface);
    border-left: 1px solid var(--color-border);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    display: flex;
    flex-direction: column;
}

.help-panel.open {
    transform: translateX(0);
}

.help-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
}

.help-panel-body {
    flex: 1;
    padding: var(--space-5);
    overflow-y: auto;
}

.help-panel-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.3);
    z-index: calc(var(--z-modal) - 1);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.help-panel-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

/* ==========================================================================
   GRADE COLOUR CODING
   ========================================================================== */

.grade-A {
    color: var(--color-success);
}
.grade-B {
    color: #2e86c1;
}
.grade-C {
    color: var(--color-info);
}
.grade-D {
    color: var(--color-warning);
}
.grade-F {
    color: var(--color-danger);
}

.grade-bg-A {
    background-color: var(--color-success-light);
}
.grade-bg-B {
    background-color: #d6eaf8;
}
.grade-bg-C {
    background-color: var(--color-info-light);
}
.grade-bg-D {
    background-color: var(--color-warning-light);
}
.grade-bg-F {
    background-color: var(--color-danger-light);
}

/* ==========================================================================
   SCORE INPUT COLOUR CODING
   ========================================================================== */

.score-cell-input {
    width: 70px;
    text-align: center;
}

.score-cell-input.score-A {
    background-color: var(--color-success-light);
}
.score-cell-input.score-B {
    background-color: #d6eaf8;
}
.score-cell-input.score-C {
    background-color: var(--color-info-light);
}
.score-cell-input.score-D {
    background-color: var(--color-warning-light);
}
.score-cell-input.score-F {
    background-color: var(--color-danger-light);
}

/* ==========================================================================
   KEYBOARD SHORTCUTS MODAL
   ========================================================================== */

.kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 22px;
    padding: 0 5px;
    background: var(--color-gray-100);
    border: 1px solid var(--color-border);
    border-bottom-width: 2px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-primary);
    white-space: nowrap;
}

/* ==========================================================================
   BULK ACTIONS BAR
   ========================================================================== */

.bulk-actions {
    display: none;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-5);
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    gap: var(--space-3);
}

.bulk-actions.show {
    display: flex;
}

.bulk-actions-count {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.bulk-actions .btn {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
    color: var(--color-text-inverse);
}

.bulk-actions .btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* ==========================================================================
   PRINT-ONLY ELEMENTS (hidden on screen)
   ========================================================================== */

.print-only {
    display: none !important;
}

@media print {
    .print-only {
        display: block !important;
    }
}

/* ==========================================================================
   RESPONSIVE TABLE
   ========================================================================== */

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ==========================================================================
   MISCELLANEOUS
   ========================================================================== */

.text-primary {
    color: var(--color-text-primary);
}
.text-secondary {
    color: var(--color-text-secondary);
}
.text-muted {
    color: var(--color-text-muted);
}
.text-success {
    color: var(--color-success);
}
.text-danger {
    color: var(--color-danger);
}
.text-warning {
    color: var(--color-warning);
}
.text-info {
    color: var(--color-info);
}

.bg-primary {
    background-color: var(--color-primary);
}
.bg-surface {
    background-color: var(--color-surface);
}
.bg-gray-50 {
    background-color: var(--color-gray-50);
}

.font-medium {
    font-weight: var(--font-weight-medium);
}
.font-semibold {
    font-weight: var(--font-weight-semibold);
}
.font-bold {
    font-weight: var(--font-weight-bold);
}

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Contextual help trigger button */
.page-header-help {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    padding-left: var(--space-3);
    margin-left: var(--space-2);
    border-left: 1px solid var(--color-border);
}

.help-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    height: 32px;
    padding: 0 var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.help-trigger-icon {
    flex-shrink: 0;
    opacity: 0.85;
}

.help-trigger-label {
    line-height: 1;
}

.help-trigger:hover {
    background: var(--color-gray-50);
    color: var(--color-primary);
    border-color: var(--color-primary-light);
}

.help-trigger:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

@media (max-width: 540px) {
    .help-trigger-label {
        display: none;
    }

    .help-trigger {
        width: 32px;
        padding: 0;
    }
}

.help-panel-footer {
    padding: var(--space-3) var(--space-5);
    border-top: 1px solid var(--color-border);
    background: var(--color-gray-50);
    font-size: var(--font-size-xs);
}

.help-panel-footer a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
}

.help-panel-footer a:hover {
    text-decoration: underline;
}

.help-panel-footer-hint {
    display: block;
    margin-top: var(--space-1);
    color: var(--color-text-muted);
}