/* ==========================================================================
   Sentinel Unity GRC - Layout (Sidebar, Header, App Shell)
   ========================================================================== */

/* App Shell: full viewport width so content stretches to screen resolution */
.app-shell {
    display: flex;
    min-height: 100vh;
    width: 100%;
    min-width: 0;
    overflow-x: clip; /* Prevent any child from causing a horizontal page scrollbar */
}

/* ---- Sidebar ---- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1040;
    transition: width var(--transition);
    overflow: hidden;
}

/* Brand */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    height: var(--header-height);
    border-bottom: 1px solid var(--sidebar-border);
    text-decoration: none;
    color: var(--white);
    flex-shrink: 0;
}

.sidebar-brand-icon {
    width: 32px;
    height: 32px;
    background: var(--sidebar-brand-icon-bg);
    color: var(--sidebar-accent-bright);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.sidebar-brand-text {
    font-weight: var(--font-bold);
    font-size: var(--text-sm);
    white-space: nowrap;
    letter-spacing: -0.01em;
}

/* Navigation */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-3) var(--space-3);
}

.sidebar-nav-label {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sidebar-text-muted);
    padding: var(--space-4) var(--space-3) var(--space-2);
    white-space: nowrap;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    transition: all var(--transition-fast);
    white-space: nowrap;
    margin-bottom: 2px;
}

.sidebar-link i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    color: var(--sidebar-text-muted);
}

.sidebar-link:hover {
    background: var(--sidebar-bg-hover);
    color: var(--white);
}

.sidebar-link:hover i {
    color: var(--sidebar-accent-bright);
}

.sidebar-link.active {
    background: var(--sidebar-bg-active);
    color: var(--white);
}

.sidebar-link.active i {
    color: var(--sidebar-accent-bright);
}

.sidebar-link-sub {
    padding-left: calc(var(--space-3) + 24px);
}

/* Collapsible nav group */
.sidebar-nav-group {
    margin-bottom: 2px;
}

.sidebar-nav-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-4) var(--space-3) var(--space-2);
    background: none;
    border: none;
    text-align: left;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sidebar-text-muted);
    white-space: nowrap;
    transition: color var(--transition-fast);
    cursor: pointer;
    pointer-events: auto;
    -webkit-appearance: none;
    appearance: none;
}

.sidebar-nav-group-header:hover {
    color: var(--sidebar-accent-bright);
}

.sidebar-nav-group-header .sidebar-nav-label {
    padding: 0;
}

.sidebar-nav-group-chevron {
    font-size: 0.75rem;
    transition: transform var(--transition-fast);
    flex-shrink: 0;
    margin-left: var(--space-2);
}

.sidebar-nav-group.collapsed .sidebar-nav-group-chevron {
    transform: rotate(-90deg);
}

.sidebar-nav-group.collapsed .sidebar-nav-group-body {
    display: none;
}

.sidebar-nav-group-body .sidebar-link {
    margin-bottom: 2px;
}

/* Company Switcher */
.sidebar-company {
    padding: var(--space-3);
    border-top: 1px solid var(--sidebar-border);
    flex-shrink: 0;
}

.sidebar-company-btn {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-2) var(--space-3);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--sidebar-border);
    border-radius: var(--radius);
    color: var(--sidebar-text);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
    font-size: var(--text-sm);
}

.sidebar-company-btn:hover {
    background: var(--sidebar-bg-hover);
    color: var(--white);
}

.sidebar-company-avatar {
    width: 28px;
    height: 28px;
    background: var(--sidebar-brand-icon-bg);
    color: var(--sidebar-accent-bright);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-semibold);
    font-size: var(--text-xs);
    flex-shrink: 0;
}

.sidebar-company-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-company-dropdown {
    margin-top: var(--space-2);
    background: #152a47;
    border: 1px solid var(--sidebar-border);
    border-radius: var(--radius);
    overflow: hidden;
    display: none;
}

.sidebar-company-dropdown.show {
    display: block;
}

.sidebar-company-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: background var(--transition-fast);
}

.sidebar-company-dropdown a:hover {
    background: var(--sidebar-bg-hover);
    color: var(--white);
}

.sidebar-company-dropdown .divider {
    border-top: 1px solid var(--sidebar-border);
    margin: var(--space-1) 0;
}

/* User Section */
.sidebar-user {
    padding: var(--space-3);
    border-top: 1px solid var(--sidebar-border);
    flex-shrink: 0;
}

.sidebar-user-btn {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-2) var(--space-3);
    background: none;
    border: none;
    border-radius: var(--radius);
    color: var(--sidebar-text);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.sidebar-user-btn:hover {
    background: var(--sidebar-bg-hover);
}

.sidebar-user-avatar {
    width: 32px;
    height: 32px;
    background: var(--sidebar-brand-icon-bg);
    color: var(--sidebar-accent-bright);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-semibold);
    font-size: var(--text-xs);
    flex-shrink: 0;
}

.sidebar-user-info {
    flex: 1;
    overflow: hidden;
    white-space: nowrap;
}

.sidebar-user-name {
    font-weight: var(--font-medium);
    font-size: var(--text-sm);
    color: var(--white);
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-email {
    font-size: var(--text-xs);
    color: var(--sidebar-text-dim);
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-dropdown {
    margin-top: var(--space-2);
    background: #152a47;
    border: 1px solid var(--sidebar-border);
    border-radius: var(--radius);
    overflow: hidden;
    display: none;
}

.sidebar-user-dropdown.show {
    display: block;
}

.sidebar-user-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: background var(--transition-fast);
}

.sidebar-user-dropdown a:hover {
    background: var(--sidebar-bg-hover);
    color: var(--white);
}

.sidebar-user-dropdown a.text-danger {
    color: var(--danger-600);
}

.sidebar-user-dropdown a.text-danger:hover {
    background: rgba(220, 38, 38, 0.1);
}

.sidebar-user-dropdown .divider {
    border-top: 1px solid var(--sidebar-border);
    margin: var(--space-1) 0;
}

/* Collapse Toggle */
.sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3);
    border-top: 1px solid var(--sidebar-border);
    flex-shrink: 0;
}

.sidebar-toggle-btn {
    width: 100%;
    padding: var(--space-2);
    background: none;
    border: 1px solid var(--sidebar-border);
    border-radius: var(--radius);
    color: var(--sidebar-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
}

.sidebar-toggle-btn:hover {
    background: var(--sidebar-bg-hover);
    color: var(--sidebar-accent-bright);
}

.sidebar-toggle-label {
    white-space: nowrap;
}

/* ---- Collapsed Sidebar (Desktop) ---- */
.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar.collapsed .sidebar-brand-text,
.sidebar.collapsed .sidebar-nav-label,
.sidebar.collapsed .sidebar-link span,
.sidebar.collapsed .sidebar-toggle-label {
    display: none;
}

.sidebar.collapsed .sidebar-link {
    justify-content: center;
    padding: var(--space-2) 0;
}

.sidebar.collapsed .sidebar-link-sub {
    padding-left: 0;
}

.sidebar.collapsed .sidebar-nav-group-header {
    display: none;
}

.sidebar.collapsed .sidebar-nav-group-body {
    display: block !important;
}

.sidebar.collapsed .sidebar-link i {
    font-size: 1.25rem;
}

.sidebar.collapsed + .sidebar-overlay + .app-main,
.sidebar.collapsed + .app-main {
    margin-left: var(--sidebar-collapsed);
}

/* ---- App Main ---- */
.app-main {
    flex: 1 1 0%;
    min-width: 0;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--transition);
}

/* ---- Top Header ---- */
.top-header {
    height: var(--header-height);
    background: var(--white);
    border-bottom: 1px solid var(--border);
    border-left: 3px solid var(--accent-blue);
    display: flex;
    align-items: center;
    padding: 0 var(--space-6);
    gap: var(--space-4);
    position: sticky;
    top: 0;
    z-index: 1020;
    flex-shrink: 0;
    overflow: visible;
}

.header-hamburger {
    display: none;
    background: none;
    border: none;
    padding: var(--space-2);
    color: var(--neutral-600);
    cursor: pointer;
    font-size: 1.25rem;
    border-radius: var(--radius);
}

.header-hamburger:hover {
    background: var(--neutral-100);
}

.header-breadcrumb {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-muted);
    min-width: 0;
}

.header-breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
}

.header-breadcrumb a:hover {
    color: var(--accent-blue);
}

.header-breadcrumb .separator {
    color: var(--neutral-300);
}

.header-breadcrumb .current {
    color: var(--text);
    font-weight: var(--font-medium);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
    overflow: visible;
    position: relative;
}

.header-notification {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    color: var(--neutral-600);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.header-notification:hover {
    background: var(--neutral-100);
    color: var(--text);
}

.header-notification .badge-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    min-width: 16px;
    height: 16px;
    background: var(--danger);
    color: var(--white);
    font-size: 0.6rem;
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

/* ---- Header User Button & Avatar ---- */
.header-user {
    position: relative;
}

.header-user-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 4px 10px 4px 4px;
    background: none;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.header-user-btn:hover {
    background: var(--neutral-50);
    border-color: var(--neutral-300);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.07);
}

.header-user-avatar {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-bold);
    font-size: 0.75rem;
    flex-shrink: 0;
    letter-spacing: 0;
}

.header-user-chevron {
    font-size: 0.6rem;
    color: var(--neutral-400);
    transition: transform var(--transition-fast);
}

.header-user-btn[aria-expanded="true"] .header-user-chevron {
    transform: rotate(180deg);
}

/* ---- Profile Dropdown ---- */
.header-user-dropdown {
    display: none !important;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 284px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
    z-index: 1050;
    overflow: hidden;
    transform-origin: top right;
}

.header-user-dropdown.show {
    display: block !important;
    animation: udropIn 0.14s ease-out;
}

@keyframes udropIn {
    from { opacity: 0; transform: scale(0.96) translateY(-6px); }
    to   { opacity: 1; transform: scale(1)    translateY(0);    }
}

/* Profile Header */
.udrop-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 16px;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
}

.udrop-avatar-lg {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.18);
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-bold);
    font-size: 1.05rem;
    flex-shrink: 0;
    color: var(--white);
    letter-spacing: 0;
}

.udrop-profile-info {
    flex: 1;
    min-width: 0;
}

.udrop-name {
    display: block;
    font-weight: var(--font-semibold);
    font-size: 0.875rem;
    color: var(--white);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.udrop-email {
    display: block;
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.65);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Body padding wrapper */
.udrop-body {
    padding: 6px 0;
}

/* Section Label */
.udrop-section-label {
    font-size: 0.65rem;
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--neutral-400);
    padding: 10px 16px 3px;
}

/* Divider */
.udrop-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}

/* Base Menu Item */
.udrop-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    color: var(--text);
    text-decoration: none !important;
    font-size: 0.845rem;
    font-weight: var(--font-medium);
    transition: background var(--transition-fast);
    cursor: pointer;
}

.udrop-item:hover {
    background: var(--neutral-50);
    color: var(--text);
}

/* Icon Container */
.udrop-item-icon {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: var(--neutral-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.88rem;
    color: var(--neutral-600);
    flex-shrink: 0;
    transition: background var(--transition-fast);
}

.udrop-item:hover .udrop-item-icon {
    background: var(--neutral-200);
}

.udrop-item-label {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.udrop-item-arrow {
    font-size: 0.58rem;
    color: var(--neutral-300);
    flex-shrink: 0;
}

/* Company Item */
.udrop-company-item {
    padding: 8px 14px;
}

.udrop-company-avatar {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    color: var(--primary-700);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: var(--font-bold);
    flex-shrink: 0;
    border: 1px solid var(--primary-200);
}

.udrop-role-badge {
    font-size: 0.62rem;
    font-weight: var(--font-semibold);
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--primary-100);
    color: var(--primary-700);
    flex-shrink: 0;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

/* Admin Settings Item — first-class item, matches other icons */
.udrop-admin-item .udrop-item-icon {
    background: var(--neutral-100);
    color: var(--primary-700);
}

.udrop-admin-item:hover .udrop-item-icon {
    background: var(--neutral-200);
}

/* Sign Out */
.udrop-logout {
    margin-bottom: 6px;
}

.udrop-logout .udrop-item-icon {
    background: rgba(220, 38, 38, 0.07);
    color: var(--danger-600);
}

.udrop-logout .udrop-item-label {
    color: var(--danger-600);
}

.udrop-logout:hover {
    background: rgba(220, 38, 38, 0.04);
}

.udrop-logout:hover .udrop-item-icon {
    background: rgba(220, 38, 38, 0.14);
}

/* ---- Content Area ----
   Default: caps at 1800px and centers (comfortable reading on any screen).
   Use .content-wide on pages that benefit from extra room (assessments, data tables).
   Padding scales with viewport so it breathes on large monitors. */
.content-area {
    flex: 1 1 auto;
    min-width: 0;
    width: 100%;
    max-width: 1800px;
    margin-left: auto;
    margin-right: auto;
    padding: clamp(var(--space-5), 2vw, var(--space-8));
}

/* Wide variant — stretches further for data-heavy pages */
.content-area.content-wide {
    max-width: 2400px;
}

/* ---- Sidebar Overlay (Mobile) ---- */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1035;
}

/* ---- Responsive ---- */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .sidebar.mobile-open + .sidebar-overlay {
        display: block;
    }

    /* Reset collapsed on mobile */
    .sidebar.collapsed {
        width: var(--sidebar-width);
        transform: translateX(-100%);
    }

    .sidebar.collapsed.mobile-open {
        transform: translateX(0);
    }

    .sidebar.collapsed .sidebar-brand-text,
    .sidebar.collapsed .sidebar-nav-label,
    .sidebar.collapsed .sidebar-link span,
    .sidebar.collapsed .sidebar-toggle-label {
        display: unset;
    }

    .sidebar.collapsed .sidebar-nav-group-header {
        display: flex;
    }

    .sidebar.collapsed .sidebar-link {
        justify-content: flex-start;
        padding: var(--space-2) var(--space-3);
    }

    .sidebar.collapsed .sidebar-link i {
        font-size: 1.1rem;
    }

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

    .sidebar.collapsed + .sidebar-overlay + .app-main,
    .sidebar.collapsed + .app-main {
        margin-left: 0;
    }

    .header-hamburger {
        display: flex;
    }

    .sidebar-toggle {
        display: none;
    }

    .content-area {
        padding: var(--space-4);
    }
}

@media (max-width: 575.98px) {
    .content-area {
        padding: var(--space-3);
    }

    .top-header {
        padding: 0 var(--space-3);
    }
}