/* ============================================
   Participant Portal
   Uses MudBlazor theme CSS variables throughout.
   ============================================ */

/* ---- App Bar ---- */
.participant-appbar {
    background: var(--mud-palette-surface) !important;
    border-bottom: none !important;
    box-shadow: 0 1px 8px color-mix(in srgb, var(--mud-palette-primary) 8%, transparent), 0 1px 3px rgba(0,0,0,0.04) !important;
}

.participant-appbar .mud-image {
    transition: opacity 0.2s ease;
}

/* ---- Desktop Navigation ---- */
.participant-nav-desktop {
    display: flex;
    gap: 2px;
    margin-left: 20px;
}

.participant-nav-btn {
    min-height: 48px;
    min-width: 48px;
    padding: 6px 16px !important;
    text-transform: none !important;
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.01em;
    border-radius: 8px !important;
    position: relative;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.participant-nav-btn:hover {
    background-color: color-mix(in srgb, var(--mud-palette-primary) 6%, transparent) !important;
}

/* Active nav indicator — underline accent */
.participant-nav-btn.mud-button-text-primary {
    background-color: color-mix(in srgb, var(--mud-palette-primary) 8%, transparent) !important;
    font-weight: 600;
}

.participant-nav-btn.mud-button-text-primary::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 16px;
    right: 16px;
    height: 3px;
    background: var(--mud-palette-primary);
    border-radius: 3px 3px 0 0;
    animation: navIndicatorIn 0.25s ease-out;
}

@keyframes navIndicatorIn {
    from { transform: scaleX(0); opacity: 0; }
    to   { transform: scaleX(1); opacity: 1; }
}

/* Admin back button */
.participant-admin-btn {
    display: none;
    border-radius: 8px !important;
    text-transform: none !important;
    font-size: 0.8rem;
}

/* Mobile hamburger toggle */
.participant-nav-mobile-toggle {
    display: none !important;
}

/* ---- Page Header (primary banner, used by individual pages) ---- */
.participant-page-header {
    background: linear-gradient(135deg, var(--mud-palette-primary) 0%, color-mix(in srgb, var(--mud-palette-primary) 80%, white) 100%);
    padding: 24px 0 28px;
    margin: -16px -16px 24px -16px;
    border-radius: 0 0 20px 20px;
    position: relative;
    overflow: hidden;
}

.participant-page-header::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.participant-page-header h4,
.participant-page-header .mud-typography-h4 {
    color: #ffffff !important;
    font-family: var(--mud-typography-h4-family) !important;
    font-weight: 400;
    font-size: 1.9rem;
    letter-spacing: -0.01em;
    padding: 0 8px;
}

.participant-page-header .mud-typography-body2 {
    color: rgba(255, 255, 255, 0.8) !important;
    padding: 0 8px;
}

/* ---- Main Content ---- */
.participant-main-content {
    padding-top: 64px;
    background-color: var(--mud-palette-background);
    min-height: 100vh;
}

/* ---- Mobile Drawer ---- */
.participant-drawer {
    border-radius: 16px 0 0 16px !important;
}

.participant-drawer .mud-drawer-header {
    padding: 20px 16px 12px;
    border-bottom: 1px solid var(--mud-palette-divider);
}

.participant-drawer .mud-nav-link {
    min-height: 52px;
    border-radius: 10px;
    margin: 2px 8px;
    padding: 8px 16px;
    font-size: 0.95rem;
    transition: background-color 0.15s ease;
}

.participant-drawer .mud-nav-link:hover {
    background-color: color-mix(in srgb, var(--mud-palette-primary) 6%, transparent);
}

.participant-drawer .mud-nav-link.active {
    background-color: color-mix(in srgb, var(--mud-palette-primary) 10%, transparent);
    color: var(--mud-palette-primary);
    font-weight: 600;
}

/* ---- Cards ---- */
.participant-card {
    border-radius: 16px !important;
    border: 1px solid var(--mud-palette-divider);
    background: var(--mud-palette-surface);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    overflow: hidden;
    cursor: pointer;
}

.participant-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px color-mix(in srgb, var(--mud-palette-primary) 8%, transparent), 0 2px 8px rgba(0, 0, 0, 0.04) !important;
}

.participant-card:active {
    transform: translateY(0);
    background: var(--mud-palette-background);
}

.participant-card .mud-card-content {
    padding: 16px 20px;
}

.participant-card .mud-card-actions {
    padding: 4px 12px 12px;
    border-top: 1px solid var(--mud-palette-divider);
}

/* ---- Search Field ---- */
.participant-search .mud-input-control {
    border-radius: 10px;
}

.participant-search .mud-input-outlined .mud-input-outlined-border {
    border-color: var(--mud-palette-divider);
    border-radius: 10px;
}

.participant-search .mud-input-outlined:hover .mud-input-outlined-border {
    border-color: var(--mud-palette-primary);
}

.participant-search .mud-input-outlined.mud-input-focused .mud-input-outlined-border {
    border-color: var(--mud-palette-primary);
    border-width: 2px;
}

/* ---- Section Headers ---- */
.participant-section-header {
    font-family: var(--mud-typography-default-family);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mud-palette-text-secondary);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--mud-palette-divider);
    margin-bottom: 16px;
}

/* ---- Empty State ---- */
.participant-empty-state {
    text-align: center;
    padding: 48px 24px;
}

.participant-empty-state .mud-icon-root {
    font-size: 3.5rem !important;
    color: color-mix(in srgb, var(--mud-palette-primary) 15%, transparent);
    margin-bottom: 16px;
}

.participant-empty-state .mud-typography-h6 {
    color: var(--mud-palette-text-secondary);
    font-weight: 500;
    margin-bottom: 8px;
}

.participant-empty-state .mud-typography-body2 {
    color: var(--mud-palette-text-disabled);
    max-width: 280px;
    margin: 0 auto;
    line-height: 1.5;
}

/* ---- Alert Styling ---- */
.participant-main-content .mud-alert {
    border-radius: 12px;
}

/* ---- Loading State ---- */
.participant-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 64px 0;
}

/* ---- Workplace List Item ---- */
.participant-workplace-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--mud-palette-background);
    border-radius: 16px;
    cursor: pointer;
    transition: background-color 0.15s ease;
    border: 1px solid transparent;
}

.participant-workplace-item:hover {
    background: color-mix(in srgb, var(--mud-palette-primary) 6%, white);
    border-color: color-mix(in srgb, var(--mud-palette-primary) 10%, transparent);
}

.participant-workplace-item:active {
    background: color-mix(in srgb, var(--mud-palette-primary) 10%, white);
}

.participant-workplace-item .wp-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--mud-palette-primary) 8%, transparent);
    border-radius: 10px;
    flex-shrink: 0;
}

.participant-workplace-item .wp-icon .mud-icon-root {
    color: var(--mud-palette-primary);
    font-size: 1.3rem;
}

.participant-workplace-item .wp-content {
    flex: 1;
    min-width: 0;
}

.participant-workplace-item .wp-id {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--mud-palette-text-primary);
}

.participant-workplace-item .wp-name {
    font-size: 0.85rem;
    color: var(--mud-palette-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.participant-workplace-item .wp-address {
    font-size: 0.8rem;
    color: var(--mud-palette-text-disabled);
}

.participant-workplace-item .wp-arrow {
    color: var(--mud-palette-text-disabled);
    flex-shrink: 0;
    transition: transform 0.2s ease, color 0.2s ease;
}

.participant-workplace-item:hover .wp-arrow {
    color: var(--mud-palette-primary);
    transform: translateX(3px);
}

/* ---- User greeting in appbar ---- */
.participant-user-name {
    font-size: 0.85rem;
    color: var(--mud-palette-text-secondary);
    font-weight: 500;
}

/* ============================================
   Responsive
   ============================================ */

/* Tablet and below (< 960px) */
@media (max-width: 959.98px) {
    .participant-nav-desktop {
        display: none !important;
    }

    .participant-nav-mobile-toggle {
        display: flex !important;
    }

    .participant-admin-btn {
        display: none !important;
    }

    .participant-page-header {
        margin: -16px -8px 20px -8px;
        padding: 20px 0 24px;
        border-radius: 0 0 16px 16px;
    }

    .participant-page-header .mud-typography-h4 {
        font-size: 1.6rem;
    }

    .participant-workplace-item {
        padding: 12px 14px;
    }
}

/* Desktop (>= 960px) */
@media (min-width: 960px) {
    .participant-nav-desktop {
        display: flex;
    }

    .participant-nav-mobile-toggle {
        display: none !important;
    }

    .participant-admin-btn {
        display: inline-flex !important;
    }
}

/* Touch-friendly targets */
.participant-main-content .mud-button,
.participant-main-content .mud-icon-button,
.participant-main-content .mud-nav-link {
    min-height: 44px;
    min-width: 44px;
}

/* ---- Page transition (subtle fade-in for content) ---- */
.participant-main-content .mud-container {
    animation: participantFadeIn 0.3s ease-out;
}

@keyframes participantFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Detail Page — Info bar, articles, filters
   ============================================ */

/* ---- Info Bar (workplace metadata) ---- */
.participant-info-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding: 12px 16px;
    background: var(--mud-palette-surface);
    border-radius: 12px;
    border: 1px solid var(--mud-palette-divider);
}

.participant-info-bar .info-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--mud-palette-text-secondary);
}

.participant-info-bar .info-item .mud-icon-root {
    color: var(--mud-palette-secondary);
    font-size: 1.1rem;
}

/* ---- Filter Row (horizontal chip scroll) ---- */
.participant-filter-row {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.participant-filter-row::-webkit-scrollbar {
    display: none;
}

.participant-filter-row .mud-chipset {
    flex-wrap: nowrap;
}

.participant-filter-row .mud-chip {
    white-space: nowrap;
    border-radius: 20px !important;
    font-size: 0.85rem;
    font-weight: 500;
}

/* ---- Article List Item ---- */
.participant-article-item {
    display: flex;
    background: var(--mud-palette-surface);
    border-radius: 14px;
    border: 1px solid var(--mud-palette-divider);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

.participant-article-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

/* Left color indicator strip */
.participant-article-item .article-status-indicator {
    width: 14px;
    flex-shrink: 0;
}

.article-onrent .article-status-indicator {
    background: var(--mud-palette-primary);
}

.article-returned .article-status-indicator {
    background: var(--mud-palette-tertiary);
}

.article-overdue .article-status-indicator {
    background: var(--mud-palette-error);
}

/* Article content area */
.participant-article-item .article-content {
    flex: 1;
    padding: 14px 16px;
    min-width: 0;
}

/* Two-column layout: thumbnail + text */
.participant-article-item .article-content-with-image {
    display: flex;
    gap: 14px;
    align-items: center;
}

.participant-article-item .article-thumbnail {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    border-radius: 10px;
    background: color-mix(in srgb, var(--mud-palette-primary) 4%, transparent);
    border: 1px solid var(--mud-palette-divider);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.participant-article-item .article-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 9px;
}

.participant-article-item .article-thumbnail-sm {
    width: 56px;
    height: 56px;
}

.participant-article-item .article-text {
    flex: 1;
    min-width: 0;
}

.participant-article-item .article-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 4px;
}

.participant-article-item .article-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--mud-palette-text-primary);
    flex: 1;
    min-width: 0;
}

.participant-article-item .article-chip {
    flex-shrink: 0;
}

.participant-article-item .article-meta {
    font-size: 0.8rem;
    color: var(--mud-palette-text-disabled);
    margin-bottom: 6px;
}

.participant-article-item .article-dates {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.82rem;
    color: var(--mud-palette-text-secondary);
    margin-bottom: 2px;
}

.participant-article-item .article-dates .date-overdue {
    color: var(--mud-palette-error);
    font-weight: 600;
}

.participant-article-item .article-dates .date-returned {
    color: var(--mud-palette-tertiary);
}

.participant-article-item .article-responsible {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    color: var(--mud-palette-text-disabled);
    margin-top: 4px;
}

.participant-article-item .article-responsible .mud-icon-root {
    font-size: 0.95rem;
    color: var(--mud-palette-text-disabled);
}

/* Clickable article rows */
.participant-article-item.article-clickable {
    cursor: pointer;
}

.participant-article-item.article-clickable:active {
    background: var(--mud-palette-background);
}

/* Date soon (0-7 days) */
.participant-article-item .article-dates .date-soon {
    color: var(--mud-palette-secondary);
    font-weight: 600;
}

/* ---- Expanded Sub-Items ---- */
.article-sub-items {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-left: 20px;
    border-left: 2px solid color-mix(in srgb, var(--mud-palette-primary) 15%, transparent);
    margin-left: 8px;
    animation: subItemsIn 0.2s ease-out;
}

@keyframes subItemsIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.article-sub-items .participant-article-item {
    border-radius: 10px;
}

.article-sub-items .article-content {
    padding: 10px 14px;
}

/* ============================================
   Article Detail Drawer
   ============================================ */

.article-detail-drawer .mud-drawer-content {
    background: var(--mud-palette-background);
}

.article-detail-panel {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* Header bar */
.detail-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--mud-palette-surface);
    border-bottom: 1px solid var(--mud-palette-divider);
    position: sticky;
    top: 0;
    z-index: 1;
}

.detail-header .mud-typography-h6 {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--mud-palette-text-primary);
}

/* Image section */
.detail-image-section {
    background: var(--mud-palette-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    min-height: 180px;
}

.detail-image {
    max-width: 100%;
    max-height: 240px;
    object-fit: contain;
    border-radius: 8px;
}

.detail-image-placeholder {
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--mud-palette-primary) 4%, transparent);
    border-radius: 16px;
    border: 2px dashed color-mix(in srgb, var(--mud-palette-primary) 12%, transparent);
}

/* Sections */
.detail-section {
    background: var(--mud-palette-surface);
    padding: 16px 20px;
    margin-top: 8px;
}

.detail-section-title {
    font-family: var(--mud-typography-default-family);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--mud-palette-text-disabled);
    margin-bottom: 12px;
}

/* Grid rows */
.detail-grid {
    display: flex;
    flex-direction: column;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--mud-palette-divider);
    align-items: flex-start;
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-size: 0.88rem;
    color: var(--mud-palette-text-secondary);
}

.detail-value {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--mud-palette-text-primary);
    text-align: right;
}

.detail-value.date-overdue {
    color: var(--mud-palette-error);
}

/* Document section subtitle */
.detail-section-subtitle {
    font-weight: 600;
    font-size: 0.8rem;
    color: #666;
    margin-bottom: 4px;
}

/* Responsible chip */
.detail-responsible-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: color-mix(in srgb, var(--mud-palette-secondary) 15%, white);
    border: 1px solid var(--mud-palette-secondary);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--mud-palette-text-primary);
}

.detail-responsible-chip .mud-icon-root {
    font-size: 1rem;
    color: var(--mud-palette-text-primary);
}

/* ============================================
   Education Page — Event items, status badges
   ============================================ */

/* ---- Education Event Item ---- */
.participant-education-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 16px;
    background: var(--mud-palette-surface);
    border-radius: 14px;
    border: 1px solid var(--mud-palette-divider);
    cursor: pointer;
    transition: box-shadow 0.2s ease, background-color 0.15s ease;
}

.participant-education-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.participant-education-item:active {
    background: var(--mud-palette-background);
}

/* Status icon circle */
.participant-education-item .edu-status-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--mud-palette-primary) 6%, transparent);
    border-radius: 10px;
    flex-shrink: 0;
    margin-top: 2px;
}

.participant-education-item .edu-status-icon .mud-icon-root {
    font-size: 1.3rem;
}

/* Content area */
.participant-education-item .edu-content {
    flex: 1;
    min-width: 0;
}

.participant-education-item .edu-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--mud-palette-text-primary);
    margin-bottom: 4px;
}

.participant-education-item .edu-time,
.participant-education-item .edu-location {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--mud-palette-text-secondary);
    margin-bottom: 2px;
}

.participant-education-item .edu-time .mud-icon-root,
.participant-education-item .edu-location .mud-icon-root {
    font-size: 0.95rem;
    color: var(--mud-palette-secondary);
}

/* Status badges */
.edu-status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 6px;
}

.edu-status-booked {
    background: color-mix(in srgb, var(--mud-palette-tertiary) 12%, transparent);
    color: var(--mud-palette-success);
}

.edu-status-full {
    background: color-mix(in srgb, var(--mud-palette-error) 10%, transparent);
    color: var(--mud-palette-error);
}

.edu-status-few {
    background: color-mix(in srgb, var(--mud-palette-secondary) 15%, transparent);
    color: var(--mud-palette-secondary);
}

/* Right column (price + arrow) */
.participant-education-item .edu-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    flex-shrink: 0;
}

.participant-education-item .edu-price {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--mud-palette-text-primary);
    white-space: nowrap;
}

.participant-education-item .edu-arrow {
    color: var(--mud-palette-text-disabled);
    transition: transform 0.2s ease, color 0.2s ease;
}

.participant-education-item:hover .edu-arrow {
    color: var(--mud-palette-primary);
    transform: translateX(3px);
}

/* ============================================
   Certificates Page — cert items
   ============================================ */

.participant-cert-item {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
}

/* Left status indicator strip */
.participant-cert-item .cert-status-indicator {
    width: 4px;
    align-self: stretch;
    flex-shrink: 0;
}

.cert-valid .cert-status-indicator {
    background: var(--mud-palette-tertiary);
}

.cert-expiring .cert-status-indicator {
    background: var(--mud-palette-secondary);
}

.cert-expired .cert-status-indicator {
    background: var(--mud-palette-error);
}

/* Icon */
.participant-cert-item .cert-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    flex-shrink: 0;
    margin: 14px 0 14px 12px;
}

.cert-valid .cert-icon {
    background: color-mix(in srgb, var(--mud-palette-tertiary) 10%, transparent);
}

.cert-valid .cert-icon .mud-icon-root {
    color: var(--mud-palette-tertiary);
}

.cert-expiring .cert-icon {
    background: color-mix(in srgb, var(--mud-palette-secondary) 12%, transparent);
}

.cert-expiring .cert-icon .mud-icon-root {
    color: var(--mud-palette-secondary);
}

.cert-expired .cert-icon {
    background: color-mix(in srgb, var(--mud-palette-error) 8%, transparent);
}

.cert-expired .cert-icon .mud-icon-root {
    color: var(--mud-palette-error);
}

/* Content */
.participant-cert-item .cert-content {
    flex: 1;
    min-width: 0;
    padding: 14px 12px;
}

.participant-cert-item .cert-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--mud-palette-text-primary);
    margin-bottom: 2px;
}

.participant-cert-item .cert-code {
    font-size: 0.8rem;
    color: var(--mud-palette-text-disabled);
    margin-bottom: 4px;
}

.participant-cert-item .cert-dates {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.82rem;
    color: var(--mud-palette-text-secondary);
    margin-bottom: 2px;
}

.participant-cert-item .cert-dates .date-expired {
    color: var(--mud-palette-error);
    font-weight: 600;
}

.participant-cert-item .cert-dates .date-expiring {
    color: var(--mud-palette-secondary);
    font-weight: 600;
}

.participant-cert-item .cert-educator {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    color: var(--mud-palette-text-disabled);
    margin-top: 4px;
}

.participant-cert-item .cert-educator .mud-icon-root {
    font-size: 0.95rem;
    color: var(--mud-palette-text-disabled);
}

/* Badge area */
.participant-cert-item .cert-badge {
    flex-shrink: 0;
    padding: 14px 14px 14px 0;
    display: flex;
    align-items: flex-start;
}

.participant-cert-item .cert-badge .edu-status-badge {
    margin-top: 0;
}

/* ---- Certificate Wrapper ---- */
.cert-wrapper {
    background: var(--mud-palette-surface);
    border-radius: 14px;
    border: 1px solid var(--mud-palette-divider);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

.cert-wrapper:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

/* Expand icon */
.cert-expand-icon {
    padding: 14px 8px 14px 0;
    display: flex;
    align-items: center;
}

/* ---- Certificate Detail Panel ---- */
.cert-detail-panel {
    border-top: 1px solid var(--mud-palette-divider);
    padding: 16px 20px;
    animation: certDetailIn 0.2s ease-out;
}

@keyframes certDetailIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Document download row */
.cert-document-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.cert-document-row:hover {
    background: color-mix(in srgb, var(--mud-palette-primary) 6%, white);
}

.cert-document-row:active {
    background: color-mix(in srgb, var(--mud-palette-primary) 10%, white);
}

/* ============================================
   Training Needs — items with status indicators
   ============================================ */

.participant-training-need-item {
    display: flex;
    align-items: flex-start;
    background: var(--mud-palette-surface);
    border-radius: 14px;
    border: 1px solid var(--mud-palette-divider);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

.participant-training-need-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

/* Left status indicator strip */
.participant-training-need-item .need-status-indicator {
    width: 4px;
    align-self: stretch;
    flex-shrink: 0;
}

.need-expired .need-status-indicator {
    background: var(--mud-palette-error);
}

.need-missing .need-status-indicator {
    background: var(--mud-palette-secondary);
}

/* Icon */
.participant-training-need-item .need-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    flex-shrink: 0;
    margin: 14px 0 14px 12px;
}

.need-expired .need-icon {
    background: color-mix(in srgb, var(--mud-palette-error) 8%, transparent);
}

.need-expired .need-icon .mud-icon-root {
    color: var(--mud-palette-error);
}

.need-missing .need-icon {
    background: color-mix(in srgb, var(--mud-palette-secondary) 12%, transparent);
}

.need-missing .need-icon .mud-icon-root {
    color: var(--mud-palette-secondary);
}

/* Content */
.participant-training-need-item .need-content {
    flex: 1;
    min-width: 0;
    padding: 14px 12px;
}

.participant-training-need-item .need-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--mud-palette-text-primary);
    margin-bottom: 2px;
}

.participant-training-need-item .need-status-text {
    font-size: 0.82rem;
}

/* Badge area */
.participant-training-need-item .need-badge {
    flex-shrink: 0;
    padding: 14px 14px 14px 0;
    display: flex;
    align-items: flex-start;
}

.participant-training-need-item .need-badge .edu-status-badge {
    margin-top: 0;
}

/* Training needs link variant */
.participant-training-needs-link {
    border: 1px solid color-mix(in srgb, var(--mud-palette-secondary) 20%, transparent);
}

.participant-training-needs-link:hover {
    background: color-mix(in srgb, var(--mud-palette-secondary) 5%, white);
    border-color: color-mix(in srgb, var(--mud-palette-secondary) 30%, transparent);
}

/* ============================================
   Employees Page — list with grouped headers
   ============================================ */

/* Group header (A, B, C...) */
.participant-group-header {
    font-family: var(--mud-typography-default-family);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--mud-palette-primary);
    padding: 16px 16px 6px;
    border-bottom: 1px solid color-mix(in srgb, var(--mud-palette-primary) 8%, transparent);
    margin-bottom: 4px;
}

/* Employee item */
.participant-employee-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    background: var(--mud-palette-surface);
    border-bottom: 1px solid var(--mud-palette-divider);
    transition: background-color 0.15s ease;
}

.participant-employee-item:hover {
    background: var(--mud-palette-background);
}

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

/* Avatar circle with initials */
.participant-employee-item .employee-avatar {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--mud-palette-primary) 8%, transparent);
    border-radius: 50%;
    flex-shrink: 0;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--mud-palette-primary);
    letter-spacing: 0.02em;
}

/* Content area */
.participant-employee-item .employee-content {
    flex: 1;
    min-width: 0;
}

.participant-employee-item .employee-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--mud-palette-text-primary);
}

.participant-employee-item .employee-detail {
    font-size: 0.82rem;
    color: var(--mud-palette-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.participant-employee-item .employee-email {
    font-size: 0.8rem;
    color: var(--mud-palette-text-disabled);
}

/* ---- Responsive: All items ---- */
@media (max-width: 599.98px) {
    .participant-article-item .article-header {
        flex-direction: column;
    }

    .participant-article-item .article-dates {
        flex-direction: column;
        gap: 2px;
    }

    .participant-info-bar {
        flex-direction: column;
        gap: 8px;
    }

    .article-sub-items {
        padding-left: 12px;
        margin-left: 4px;
    }

    .participant-education-item {
        padding: 12px 14px;
    }

    .participant-education-item .edu-right {
        display: none;
    }

    .participant-education-item .edu-name {
        font-size: 0.9rem;
    }

    .participant-cert-item .cert-dates {
        flex-direction: column;
        gap: 2px;
    }

    .participant-cert-item .cert-badge {
        padding: 14px 10px 14px 0;
    }

    .participant-article-item .article-thumbnail {
        width: 56px;
        height: 56px;
    }

    .participant-article-item .article-thumbnail-sm {
        width: 44px;
        height: 44px;
    }
}

/* ============================================
   Employee Detail Page
   ============================================ */

/* Profile header area inside the primary banner */
.employee-detail-header {
    padding-bottom: 32px !important;
}

.employee-profile-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding-top: 8px;
}

.employee-profile-avatar {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.18);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.5rem;
    color: #ffffff;
    letter-spacing: 0.04em;
    backdrop-filter: blur(4px);
}

/* Clickable link row (certificates) */
.employee-detail-link-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 4px;
    cursor: pointer;
    border-radius: 8px;
    transition: background-color 0.15s ease;
}

.employee-detail-link-row:hover {
    background: color-mix(in srgb, var(--mud-palette-primary) 4%, transparent);
}

.employee-detail-link-row:active {
    background: color-mix(in srgb, var(--mud-palette-primary) 8%, transparent);
}

/* Count badge */
.employee-detail-count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 7px;
    background: color-mix(in srgb, var(--mud-palette-primary) 10%, transparent);
    color: var(--mud-palette-primary);
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Training need row */
.employee-training-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 4px;
    border-bottom: 1px solid var(--mud-palette-divider);
    gap: 12px;
}

.employee-training-row:last-child {
    border-bottom: none;
}

/* Make employee list items clickable */
.participant-employee-item.employee-clickable {
    cursor: pointer;
}

.participant-employee-item.employee-clickable .employee-arrow {
    color: var(--mud-palette-text-disabled);
    flex-shrink: 0;
    transition: transform 0.2s ease, color 0.2s ease;
}

.participant-employee-item.employee-clickable:hover .employee-arrow {
    color: var(--mud-palette-primary);
    transform: translateX(3px);
}