/* The Lab v2 - Styles */

/* Design System Variables */
:root {
    /* Colors */
    --color-primary: #2E59F1;
    --color-primary-hover: #1D4ED8;
    --color-primary-light: #EBF0FF;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-info: #8B5CF6;

    /* Backgrounds */
    --bg-page: #F8F9FA;
    --bg-surface: #FFFFFF;
    --bg-sidebar: #1A1D29;

    /* Text */
    --text-primary: #1A1D29;
    --text-secondary: #6C757D;
    --text-muted: #ADB5BD;
    --text-inverse: #FFFFFF;

    /* Borders */
    --border-color: #DEE2E6;
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Sidebar */
    --sidebar-width: 260px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Import Google Font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    color: var(--text-inverse);
    display: flex;
    flex-direction: column;
    z-index: 1000;
}

.sidebar-header {
    padding: var(--spacing-xl) var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* FIX #2: Logo Support */
.sidebar-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.sidebar-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0;
}

.sidebar-header .version {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: auto;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-lg) 0;
    overflow-y: auto;
}

.nav-item {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-inverse);
}

.nav-item.active {
    background: rgba(46, 89, 241, 0.1);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
}

.nav-item .icon {
    font-size: 1.125rem;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.user-details {
    flex: 1;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 600;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.btn-logout {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

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

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    padding: var(--spacing-2xl);
    min-height: 100vh;
}

.module {
    display: none;
}

.module.active {
    display: block;
}

.module-header {
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.module-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.module-header p {
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

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

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-icon,
.btn-send {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-page);
}

.btn-icon {
    padding: var(--spacing-sm);
    background: transparent;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.btn-icon:hover {
    transform: scale(1.1);
}

/* Stats Grid (Dashboard) */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background: var(--bg-surface);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.3s ease;
}

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

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Notifications */
.notifications-section {
    background: var(--bg-surface);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
}

.notifications-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.notification-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-page);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
}

.notification-icon {
    font-size: 1.5rem;
}

/* Kanban Board */
.kanban-container {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    overflow-x: auto;
}

.kanban-column {
    flex: 1;
    min-width: 300px;
    background: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
}

.kanban-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.kanban-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.task-count {
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.kanban-tasks {
    min-height: 200px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.kanban-tasks.drag-over {
    background: var(--color-primary-light);
    border-radius: var(--border-radius);
}

.task-card {
    background: var(--bg-page);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    cursor: move;
    transition: all 0.2s ease;
}

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

.task-card.dragging {
    opacity: 0.5;
}

.task-title {
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.task-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Projects Grid */
.projects-section {
    margin-top: var(--spacing-2xl);
}

.projects-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    background: var(--bg-surface);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.project-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
}

/* Calendar */
.calendar-container {
    background: var(--bg-surface);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.calendar-grid {
    display: grid;
    gap: var(--spacing-md);
}

.event-item {
    padding: var(--spacing-md);
    background: var(--bg-page);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--color-primary);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

/* FIX #4: Chat Sidebar Layout */
.chat-layout {
    display: flex;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    height: calc(100vh - 250px);
    overflow: hidden;
}

.chat-sidebar {
    width: 280px;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    background: var(--bg-page);
}

.chat-sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.chat-sidebar-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.chat-channel-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.chat-channel {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background 0.2s ease;
    margin-bottom: var(--spacing-xs);
}

.chat-channel:hover {
    background: var(--bg-surface);
}

.chat-channel.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 600;
}

.channel-icon {
    font-size: 1.25rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-surface);
    border-radius: var(--border-radius);
}

.chat-channel.active .channel-icon {
    background: var(--color-primary);
    color: white;
}

.channel-name {
    flex: 1;
    font-size: 0.875rem;
}

.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.chat-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-surface);
}

.chat-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    background: #E5DDD5;
}

.message-bubble {
    max-width: 65%;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    background: var(--bg-surface);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.message-bubble.own {
    align-self: flex-end;
    background: #DCF8C6;
}

.message-sender {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
}

.message-text {
    font-size: 0.875rem;
    line-height: 1.4;
}

.message-time {
    font-size: 0.625rem;
    color: var(--text-secondary);
    align-self: flex-end;
}

.chat-input-container {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-surface);
}

.chat-input {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
}

.chat-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.btn-send {
    background: var(--color-primary);
    color: var(--text-inverse);
    padding: var(--spacing-md) var(--spacing-xl);
}

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

/* Systems Grid */
.systems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.system-card {
    background: var(--bg-surface);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

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

.system-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.system-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.system-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Groups Grid */
.groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.group-card {
    background: var(--bg-surface);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

/* Tables */
.table-container {
    background: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    overflow: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background: var(--bg-page);
    border-bottom: 2px solid var(--border-color);
}

.data-table th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.data-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

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

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-kyf {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.badge-tenant-admin {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.badge-user {
    background: rgba(46, 89, 241, 0.1);
    color: var(--color-primary);
}

.badge-active,
.badge-planning {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.badge-trial,
.badge-on_hold {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.badge-suspended,
.badge-completed {
    background: rgba(107, 114, 128, 0.1);
    color: var(--text-secondary);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: auto;
    animation: slideUp 0.3s ease;
}

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

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

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

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.btn-close {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.btn-close:hover {
    color: var(--text-primary);
}

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

.modal-footer {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    transition: border-color 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.search-input {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    width: 300px;
}

/* Utilities */
.text-center {
    text-align: center;
}

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

.small {
    font-size: 0.75rem;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }

    .main-content {
        margin-left: 0;
    }

    .kanban-container {
        flex-direction: column;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

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

    .chat-layout {
        flex-direction: column;
        height: auto;
        min-height: 500px;
    }

    .chat-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        max-height: 200px;
    }
}

/* UAT Feedback Additions */

/* Calendar Monthly Grid */
.calendar-section {
    margin-top: var(--spacing-2xl);
    background: var(--bg-surface);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
}

.calendar-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.calendar-grid-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.calendar-grid-monthly {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: var(--border-color);
    /* Grid lines via gap */
    border: 1px solid var(--border-color);
}

.calendar-day {
    background: var(--bg-surface);
    min-height: 100px;
    padding: var(--spacing-xs);
    position: relative;
    cursor: pointer;
}

.calendar-day:hover {
    background: var(--bg-page);
}

.calendar-day.empty {
    background: #f1f3f5;
    cursor: default;
}

.day-number {
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    text-align: right;
}

.day-event-dot {
    height: 8px;
    width: 8px;
    border-radius: 50%;
    /* Only used if dot style */
    display: inline-block;
    margin-right: 4px;
}

.day-event-title {
    font-size: 0.7rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
    padding: 2px 4px;
    border-radius: 3px;
    margin-bottom: 2px;
    color: white;
}

.event-project {
    background: var(--color-primary);
}

.event-general {
    background: var(--color-success);
}

/* Project Card Progress */
.project-progress-container {
    height: 6px;
    background: var(--bg-page);
    border-radius: 3px;
    margin-top: var(--spacing-md);
    overflow: hidden;
}

.project-progress-bar {
    height: 100%;
    background: var(--color-success);
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* Modals - Tabs */
.large-modal {
    max-width: 800px;
}

.tab-nav {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.tab-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-secondary);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-content {
    display: none;
}

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

/* Checklist */
.checklist {
    list-style: none;
    margin-top: var(--spacing-md);
}

.checklist-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.checklist-item.checked span {
    text-decoration: line-through;
    color: var(--text-muted);
}

.add-task-inline {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* System Details */
.system-icon-large {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
    display: flex;
    justify-content: center;
}

.system-info-content {
    text-align: center;
    padding: var(--spacing-lg);
}

.manuals-list {
    margin-top: var(--spacing-md);
    display: grid;
    gap: var(--spacing-sm);
}

.manual-item {
    padding: var(--spacing-md);
    background: var(--bg-page);
    border-radius: var(--border-radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    border: 1px solid transparent;
}

.manual-item:hover {
    background: #e9ecef;
    border-color: var(--border-color);
}

.manuals-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}