/* ==================== Design Tokens ==================== */
:root {
    /* Layout */
    --sidebar-width: 260px;
    --topbar-height: 64px;
    --content-max-width: 1200px;
    
    /* Colors */
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --dark-color: #212529;
    
    /* Backgrounds */
    --bg-body: #f8fafc;
    --bg-sidebar: #1e293b;
    --bg-card: #ffffff;
    
    /* Borders */
    --border-color: #dee2e6;
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    
    /* Typography */
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-xs: 0.75rem;
    --font-weight-normal: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
}

/* ==================== Global Styles ==================== */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-body);
    color: var(--dark-color);
    font-size: var(--font-size-base);
    line-height: 1.6;
}

/* ==================== Sidebar ==================== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    color: white;
    z-index: 1040;
    overflow-y: auto;
    transition: transform 0.3s ease;
    box-shadow: var(--shadow);
}

.sidebar-brand {
    padding: var(--spacing-lg);
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: white;
}

.sidebar-tenant {
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

.sidebar-nav {
    padding: var(--spacing-md) 0;
}

.sidebar-nav .nav-link {
    color: rgba(255, 255, 255, 0.75);
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.sidebar-nav .nav-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.08);
}

.sidebar-nav .nav-link.active {
    color: white;
    background: rgba(59, 130, 246, 0.15);
    border-left-color: #3b82f6;
    font-weight: var(--font-weight-semibold);
}

.sidebar-nav .nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
}

.sidebar-section {
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-xs);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.5);
    font-weight: var(--font-weight-semibold);
    margin-top: var(--spacing-md);
}

/* ==================== Main Content ==================== */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==================== Topbar ==================== */
.topbar {
    position: sticky;
    top: 0;
    background: white;
    height: var(--topbar-height);
    padding: 0 var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    z-index: 1030;
    box-shadow: var(--shadow-sm);
}

.topbar-search {
    flex: 1;
    max-width: 400px;
}

.topbar-search .input-group {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.topbar-search .form-control {
    border: 1px solid var(--border-color);
    padding: 0.5rem 0.75rem;
}

.topbar-search .form-control:focus {
    box-shadow: none;
    border-color: var(--primary-color);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-body);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==================== Content Wrapper ==================== */
.content-wrapper {
    flex: 1;
    padding: var(--spacing-xl);
    max-width: calc(var(--content-max-width) + var(--spacing-xl) * 2);
    margin: 0 auto;
    width: 100%;
}

/* ==================== Page Header ==================== */
.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: 1.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--dark-color);
    margin: 0 0 var(--spacing-xs);
}

.page-subtitle {
    font-size: var(--font-size-base);
    color: var(--secondary-color);
    margin: 0;
}

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

.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0 0 var(--spacing-md);
    font-size: var(--font-size-sm);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: var(--secondary-color);
}

/* ==================== Cards ==================== */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    background: var(--bg-card);
    margin-bottom: var(--spacing-lg);
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow);
}

.card-header {
    background: white;
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    font-weight: var(--font-weight-semibold);
    font-size: 1.1rem;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    background: var(--bg-body);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

/* ==================== Tables ==================== */
.table-card {
    overflow: hidden;
}

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

.table {
    margin: 0;
}

.table thead {
    background: var(--bg-body);
    position: sticky;
    top: 0;
    z-index: 10;
}

.table thead th {
    border-bottom: 2px solid var(--border-color);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    letter-spacing: 0.05em;
    color: var(--secondary-color);
    padding: var(--spacing-md) var(--spacing-lg);
}

.table tbody tr {
    transition: background-color 0.15s ease;
}

.table tbody tr:hover {
    background: var(--bg-body);
}

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

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.02);
}

/* ==================== Badges & Chips ==================== */
.status-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    border-radius: 50rem;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.status-chip.draft { 
    background: #e9ecef; 
    color: #495057; 
}

.status-chip.submitted { 
    background: #cfe2ff; 
    color: #084298; 
}

.status-chip.under-review,
.status-chip.underreview { 
    background: #fff3cd; 
    color: #664d03; 
}

.status-chip.changes-requested,
.status-chip.changesrequested { 
    background: #f8d7da; 
    color: #842029; 
}

.status-chip.approved { 
    background: #d1e7dd; 
    color: #0f5132; 
}

.status-chip.rejected { 
    background: #f8d7da; 
    color: #842029; 
}

.status-chip.active { 
    background: #d1e7dd; 
    color: #0f5132; 
}

.status-chip.inactive { 
    background: #e9ecef; 
    color: #6c757d; 
}

.maturity-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-sm);
}

.maturity-0 { background: #dc3545; color: white; }
.maturity-1 { background: #fd7e14; color: white; }
.maturity-2 { background: #ffc107; color: #212529; }
.maturity-3 { background: #20c997; color: white; }
.maturity-4 { background: #198754; color: white; }
.maturity-5 { background: #0d6efd; color: white; }

.severity-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 0.375rem;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
}

.severity-critical { background: #dc3545; color: white; }
.severity-high { background: #fd7e14; color: white; }
.severity-medium { background: #ffc107; color: #212529; }
.severity-low { background: #0dcaf0; color: #212529; }

/* ==================== Buttons ==================== */
.btn {
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background: #0b5ed7;
    border-color: #0b5ed7;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--secondary-color);
}

.btn-outline-secondary:hover {
    background: var(--bg-body);
    border-color: var(--secondary-color);
}

/* ==================== Forms ==================== */
.form-label {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
    color: var(--dark-color);
}

.form-control,
.form-select {
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: 0.625rem 0.875rem;
    font-size: var(--font-size-base);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}

.form-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.form-section-title {
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

/* ==================== Empty State ==================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    color: var(--secondary-color);
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
}

.empty-state-message {
    font-size: var(--font-size-base);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-lg);
}

/* ==================== Toast Notifications ==================== */
.toast-container {
    position: fixed;
    top: calc(var(--topbar-height) + 1rem);
    right: 1rem;
    z-index: 9999;
    max-width: 400px;
}

.toast {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: none;
}

.toast-header {
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    font-weight: var(--font-weight-semibold);
}

/* ==================== Stats/KPI Cards ==================== */
.stats-card {
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    background: white;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.stats-value {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--dark-color);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stats-label {
    color: var(--secondary-color);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: var(--font-weight-semibold);
}

.stats-trend {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

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

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

/* ==================== Tabs ==================== */
.nav-tabs {
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.nav-tabs .nav-link {
    color: var(--secondary-color);
    font-weight: var(--font-weight-semibold);
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    padding: var(--spacing-md) var(--spacing-lg);
}

.nav-tabs .nav-link:hover {
    border-color: var(--border-color);
    color: var(--dark-color);
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* ==================== Filters ==================== */
.filter-bar {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.filter-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: end;
}

/* ==================== Responsive ==================== */
@media (max-width: 991px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-wrapper {
        padding: var(--spacing-lg);
    }
    
    .topbar-search {
        display: none;
    }
}

/* ==================== Utilities ==================== */
.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }
.gap-4 { gap: 1.5rem !important; }

.rounded-4 {
    border-radius: var(--border-radius-lg) !important;
}

.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.border-0 {
    border: none !important;
}

.fw-semibold {
    font-weight: var(--font-weight-semibold) !important;
}

/* ==================== Framework Builder Styles ==================== */
.template-card .card {
    transition: all 0.2s ease;
    cursor: pointer;
}

.template-card .card:hover:not(.bg-light) {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.template-card .form-check-input:checked + .form-check-label .card {
    border-color: var(--primary-color);
    background-color: rgba(13, 110, 253, 0.05);
}

.template-card .form-check {
    padding-left: 0;
}

.template-card .form-check-input {
    position: absolute;
    top: 1rem;
    right: 1rem;
    margin: 0;
    width: 1.25rem;
    height: 1.25rem;
}

.template-card .form-check-label {
    display: block;
    padding-right: 2rem;
}

/* Evidence Type Badge Colors */
.evidence-type-policy { background-color: #0d6efd; }
.evidence-type-procedure { background-color: #0dcaf0; }
.evidence-type-screenshot { background-color: #ffc107; color: #212529; }
.evidence-type-config { background-color: #6c757d; }
.evidence-type-log { background-color: #212529; }
.evidence-type-report { background-color: #198754; }
.evidence-type-ticket { background-color: #dc3545; }
.evidence-type-link { background-color: #0dcaf0; }
.evidence-type-other { background-color: #6c757d; }

/* Control Details Tabs */
.nav-tabs .nav-link .badge {
    font-size: 0.65rem;
    vertical-align: middle;
}

/* Hierarchy indicators */
.hierarchy-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--secondary-color);
    font-size: var(--font-size-xs);
}

.hierarchy-indicator i {
    font-size: 0.7rem;
}

/* Inline toggle buttons */
.btn-toggle {
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
}

.btn-toggle:hover {
    opacity: 0.8;
}

/* Card selection state */
.card.selected {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Mobile card improvements */
@media (max-width: 767px) {
    .template-card {
        width: 100%;
    }
    
    .template-card .card-body {
        padding: var(--spacing-md);
    }
}

/* Filter bar accordion on mobile */
@media (max-width: 767px) {
    .filter-bar {
        padding: var(--spacing-md);
    }
    
    .filter-bar .filter-group {
        flex-direction: column;
    }
    
    .filter-bar .filter-group > * {
        width: 100%;
    }
}

/* Danger zone card */
.card.border-danger .card-header {
    background-color: rgba(220, 53, 69, 0.1);
    border-bottom-color: rgba(220, 53, 69, 0.2);
}

/* Definition list styling */
dl dt {
    font-weight: var(--font-weight-semibold);
}

dl dd {
    margin-bottom: var(--spacing-md);
}

/* Tab content padding */
.tab-content > .tab-pane {
    padding-top: var(--spacing-lg);
}

/* Quick action buttons */
.quick-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Sortable table rows */
.table-sortable tbody tr {
    cursor: move;
}

.table-sortable tbody tr.dragging {
    opacity: 0.5;
    background-color: var(--bg-body);
}

/* Inline edit mode */
.inline-edit {
    display: none;
}

.inline-edit.active {
    display: block;
}

.inline-view.hidden {
    display: none;
}

/* Loading spinner overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* Confirmation modal */
.modal-confirm .modal-header {
    border-bottom: none;
    padding-bottom: 0;
}

.modal-confirm .modal-footer {
    border-top: none;
    padding-top: 0;
}

/* Copy control highlight */
.copy-source-highlight {
    background-color: rgba(13, 202, 240, 0.1);
    border-left: 3px solid #0dcaf0;
}