/* ================================================================
   SecureOps SOC Dashboard — Design System
   Premium dark theme with glassmorphism, micro-animations,
   and a curated cybersecurity color palette.
   ================================================================ */

/* ── CSS Variables (Design Tokens) ──────────────────────────── */
:root {
    /* Background layers */
    --bg-primary: #0a0e17;
    --bg-secondary: #0f1520;
    --bg-surface: #151c28;
    --bg-surface-hover: #1a2332;
    --bg-card: #161d2a;
    --bg-card-hover: #1c2536;
    --bg-elevated: #1e2738;
    --bg-input: #111827;

    /* Borders */
    --border-primary: #1e293b;
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-hover: #334155;

    /* Text */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --text-muted: #475569;

    /* Accent / Brand */
    --accent-primary: #6366f1;
    --accent-primary-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.15);

    /* Severity Colors */
    --severity-critical: #ef4444;
    --severity-critical-bg: rgba(239, 68, 68, 0.1);
    --severity-critical-border: rgba(239, 68, 68, 0.3);
    --severity-high: #f97316;
    --severity-high-bg: rgba(249, 115, 22, 0.1);
    --severity-high-border: rgba(249, 115, 22, 0.3);
    --severity-medium: #eab308;
    --severity-medium-bg: rgba(234, 179, 8, 0.1);
    --severity-medium-border: rgba(234, 179, 8, 0.3);
    --severity-low: #3b82f6;
    --severity-low-bg: rgba(59, 130, 246, 0.1);
    --severity-low-border: rgba(59, 130, 246, 0.3);

    /* Status Colors */
    --status-operational: #22c55e;
    --status-operational-bg: rgba(34, 197, 94, 0.15);
    --status-warning: #eab308;
    --status-error: #ef4444;
    --status-connected: #22c55e;
    --status-disconnected: #64748b;

    /* Chart Colors */
    --chart-critical: #ef4444;
    --chart-high: #f97316;
    --chart-medium: #eab308;
    --chart-low: #3b82f6;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 20px;
    --space-2xl: 24px;
    --space-3xl: 32px;
    --space-4xl: 40px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.6875rem;
    --font-size-sm: 0.75rem;
    --font-size-base: 0.8125rem;
    --font-size-md: 0.875rem;
    --font-size-lg: 1rem;
    --font-size-xl: 1.125rem;
    --font-size-2xl: 1.375rem;
    --font-size-3xl: 1.75rem;
    --font-size-4xl: 2.25rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.1);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --sidebar-width: 200px;
    --sidebar-collapsed: 64px;
    --topbar-height: 56px;
}

/* ── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow: hidden;
    height: 100vh;
}

a { color: var(--accent-primary); text-decoration: none; }
a:hover { color: var(--accent-primary-hover); }

button {
    font-family: var(--font-family);
    cursor: pointer;
    border: none;
    outline: none;
    background: none;
    color: var(--text-primary);
}

input, select, textarea {
    font-family: var(--font-family);
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

/* ── App Layout ─────────────────────────────────────────────── */
.app-layout {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

.content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--space-2xl);
    scroll-behavior: smooth;
}

/* ── Sidebar ────────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    display: flex;
    flex-direction: column;
    padding: var(--space-xl) 0;
    z-index: 100;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 0 var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.sidebar-logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-primary), #818cf8);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
    flex-shrink: 0;
}

.sidebar-logo-text {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding: 0 var(--space-sm);
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    user-select: none;
}

.sidebar-nav-item:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.sidebar-nav-item.active {
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.sidebar-nav-item .nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.sidebar-nav-item .nav-badge {
    margin-left: auto;
    background: var(--severity-critical);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    min-width: 22px;
    text-align: center;
}

.sidebar-nav-item.active .nav-badge {
    background: rgba(255, 255, 255, 0.25);
}

.sidebar-bottom {
    padding: var(--space-lg) var(--space-xl);
    border-top: 1px solid var(--border-primary);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.sidebar-bottom-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--bg-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    font-size: 16px;
}

.sidebar-bottom-btn:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
}

/* ── Top Bar ────────────────────────────────────────────────── */
.topbar {
    height: var(--topbar-height);
    min-height: var(--topbar-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-2xl);
    z-index: 90;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.topbar-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.topbar-status .status-icon {
    font-size: 14px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-badge.operational {
    background: var(--status-operational-bg);
    color: var(--status-operational);
    border: 1px solid rgba(34, 197, 94, 0.25);
}

.status-badge.critical {
    background: var(--severity-critical-bg);
    color: var(--severity-critical);
    border: 1px solid var(--severity-critical-border);
    animation: pulse-critical 2s infinite;
}

@keyframes pulse-critical {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.topbar-time-select {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--bg-surface);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
}

.topbar-time-select select {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    padding: 2px;
}

.topbar-notification {
    position: relative;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 18px;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.topbar-notification:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.topbar-notification .notif-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    background: var(--severity-critical);
    border-radius: 50%;
    border: 2px solid var(--bg-secondary);
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    cursor: pointer;
}

.topbar-user-info {
    text-align: right;
}

.topbar-user-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.topbar-user-role {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.topbar-avatar {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #f97316, #ef4444);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: white;
}

/* ── Cards ──────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

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

.card-glass {
    background: rgba(21, 28, 40, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* ── KPI Cards ──────────────────────────────────────────────── */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.kpi-card:hover::before { opacity: 1; }

.kpi-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.kpi-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-sm);
}

.kpi-value {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.1;
}

.kpi-change {
    font-size: var(--font-size-xs);
    font-weight: 500;
    margin-top: var(--space-xs);
}

.kpi-change.up { color: var(--severity-critical); }
.kpi-change.down { color: var(--status-operational); }
.kpi-change.warn { color: var(--severity-high); }

.kpi-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    background: var(--bg-surface);
    color: var(--text-secondary);
    flex-shrink: 0;
}

/* ── Section Headers ────────────────────────────────────────── */
.section-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.section-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-top: var(--space-xs);
}

/* ── Chart Cards ────────────────────────────────────────────── */
.charts-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.chart-card:hover {
    border-color: var(--border-hover);
}

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

.chart-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-primary);
}

.chart-toggle-group {
    display: flex;
    gap: 2px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    padding: 2px;
}

.chart-toggle-btn {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--text-tertiary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.chart-toggle-btn.active {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.chart-toggle-btn:hover:not(.active) {
    color: var(--text-secondary);
}

.chart-container {
    position: relative;
    width: 100%;
    height: 220px;
}

.chart-container-sm {
    height: 180px;
}

/* ── Severity Badges ────────────────────────────────────────── */
.severity-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.severity-badge.critical {
    background: var(--severity-critical-bg);
    color: var(--severity-critical);
    border: 1px solid var(--severity-critical-border);
}

.severity-badge.high {
    background: var(--severity-high-bg);
    color: var(--severity-high);
    border: 1px solid var(--severity-high-border);
}

.severity-badge.medium {
    background: var(--severity-medium-bg);
    color: var(--severity-medium);
    border: 1px solid var(--severity-medium-border);
}

.severity-badge.low {
    background: var(--severity-low-bg);
    color: var(--severity-low);
    border: 1px solid var(--severity-low-border);
}

/* ── Alert Cards ────────────────────────────────────────────── */
.alerts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.alert-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    animation: slideIn var(--transition-slow) ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.alert-card.severity-critical { border-left: 3px solid var(--severity-critical); }
.alert-card.severity-high { border-left: 3px solid var(--severity-high); }
.alert-card.severity-medium { border-left: 3px solid var(--severity-medium); }
.alert-card.severity-low { border-left: 3px solid var(--severity-low); }

.alert-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-md);
}

.alert-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.alert-card-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    line-height: 1.4;
}

.alert-card-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.alert-card-footer {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.alert-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    background: var(--bg-surface);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.alert-menu-btn {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

.alert-menu-btn:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
}

/* Alert Context Menu */
.alert-context-menu {
    position: absolute;
    top: 45px;
    right: var(--space-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-xs);
    box-shadow: var(--shadow-lg);
    z-index: 200;
    min-width: 150px;
    display: none;
}

.alert-context-menu.show { display: block; }

.alert-context-menu-item {
    display: block;
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.alert-context-menu-item:hover {
    background: var(--bg-surface);
}

/* ── Focus Mode Banner ──────────────────────────────────────── */
.focus-mode-banner {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-xl);
    margin-bottom: var(--space-xl);
}

.focus-mode-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 18px;
}

.focus-mode-text h4 {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-primary);
}

.focus-mode-text p {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    margin-left: auto;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--bg-surface);
    border-radius: var(--radius-full);
    border: 1px solid var(--border-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(20px);
    background: white;
}

/* ── Filter Bar ─────────────────────────────────────────────── */
.filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.filter-bar-left {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.filter-bar-right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.filter-label {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.filter-select {
    background: var(--bg-surface);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    min-width: 130px;
}

.active-alerts-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.active-alerts-title h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.active-alerts-title .count {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

/* ── Heatmap ────────────────────────────────────────────────── */
.heatmap-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.heatmap-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.heatmap-grid {
    display: grid;
    grid-template-columns: 40px repeat(24, 1fr);
    gap: 2px;
    margin-top: var(--space-lg);
}

.heatmap-label {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
}

.heatmap-cell {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 2px;
    transition: all var(--transition-fast);
    cursor: pointer;
    min-width: 8px;
}

.heatmap-cell:hover {
    transform: scale(1.3);
    z-index: 1;
    box-shadow: 0 0 4px rgba(0,0,0,0.5);
}

.heatmap-cell.level-0 { background: var(--bg-surface); }
.heatmap-cell.level-1 { background: #1e3a5f; }
.heatmap-cell.level-2 { background: #2563eb; }
.heatmap-cell.level-3 { background: #eab308; }
.heatmap-cell.level-4 { background: #f97316; }
.heatmap-cell.level-5 { background: #ef4444; }

.heatmap-legend {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.heatmap-legend-cell {
    width: 14px;
    height: 14px;
    border-radius: 2px;
}

/* Recent Threats List */
.recent-threats-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.recent-threat-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) 0;
}

.recent-threat-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.recent-threat-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.recent-threat-name {
    font-size: var(--font-size-md);
    color: var(--text-primary);
}

.recent-threat-count {
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--text-primary);
}

/* ── Investigation Page ─────────────────────────────────────── */
.investigation-banner {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl) var(--space-2xl);
    margin-bottom: var(--space-2xl);
    position: relative;
}

.investigation-banner-top {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.investigation-banner-top .timestamp {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

.investigation-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.investigation-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 700px;
}

.investigation-meta {
    position: absolute;
    top: var(--space-xl);
    right: var(--space-2xl);
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.investigation-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--font-size-sm);
}

.investigation-meta-label {
    color: var(--text-tertiary);
    min-width: 80px;
}

.investigation-meta-value {
    color: var(--text-primary);
    font-weight: 500;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.investigation-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-lg);
}

/* Timeline */
.timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    max-height: 500px;
    overflow-y: auto;
}

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

.timeline-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    padding-left: var(--space-xl);
}

.timeline-list::before {
    content: '';
    position: absolute;
    left: 5px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: var(--border-primary);
}

.timeline-item {
    position: relative;
    padding: var(--space-md) 0;
    padding-left: var(--space-lg);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -17px;
    top: 18px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-tertiary);
    border: 2px solid var(--bg-card);
}

.timeline-item.detection::before { background: var(--severity-critical); }
.timeline-item.anomaly::before { background: var(--severity-high); }
.timeline-item.access::before { background: var(--severity-medium); }
.timeline-item.auth::before { background: var(--text-secondary); }
.timeline-item.log::before { background: var(--text-tertiary); }

.timeline-time {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.timeline-category {
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timeline-item-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.timeline-item-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Network Map */
.network-map-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
}

.network-map-canvas {
    flex: 1;
    position: relative;
    min-height: 350px;
}

.network-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.network-node:hover { transform: scale(1.1); }

.network-node-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: white;
}

.network-node-circle.internal {
    background: var(--accent-primary);
    border: 2px solid rgba(99, 102, 241, 0.4);
}

.network-node-circle.threat {
    background: var(--severity-critical);
    border: 2px solid rgba(239, 68, 68, 0.4);
    animation: pulse-threat 2s infinite;
}

@keyframes pulse-threat {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
}

.network-node-label {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    white-space: nowrap;
}

/* Associated Entities */
.entities-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    max-height: 500px;
    overflow-y: auto;
}

.entity-block {
    background: var(--bg-surface);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.entity-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
}

.entity-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    margin-bottom: var(--space-sm);
}

.entity-tags {
    display: flex;
    gap: var(--space-sm);
}

.entity-tag {
    padding: 2px 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.entity-user {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.entity-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.entity-user-name {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-primary);
}

.entity-user-role {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.entity-risky {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--severity-high);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--space-sm);
    cursor: pointer;
}

.entity-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.entity-stat {
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    text-align: center;
}

.entity-stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.entity-stat-value {
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--text-primary);
}

.entity-stat-value.warn { color: var(--severity-high); }

/* Evidence */
.evidence-section {
    margin-top: var(--space-lg);
}

.evidence-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    margin-bottom: var(--space-md);
}

.evidence-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-subtle);
}

.evidence-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.evidence-icon {
    color: var(--text-tertiary);
    font-size: 16px;
}

.evidence-name {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.evidence-meta {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.evidence-action {
    color: var(--text-tertiary);
    cursor: pointer;
    transition: color var(--transition-fast);
    font-size: 16px;
}

.evidence-action:hover { color: var(--text-primary); }

/* ── Reports Page ───────────────────────────────────────────── */
.reports-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-2xl);
}

.report-builder {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
}

.report-builder-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.report-builder-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 20px;
}

.report-section-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    margin-bottom: var(--space-md);
}

.report-timeframe-btns {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.report-timeframe-btn {
    padding: var(--space-sm) var(--space-lg);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.report-timeframe-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.report-timeframe-btn:hover:not(.active) {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.report-date-range {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.report-date-input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.report-modules {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.report-module-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.report-module-item:hover {
    border-color: var(--border-hover);
    background: var(--bg-surface);
}

.report-module-item.checked {
    border-color: var(--accent-primary);
    background: var(--accent-glow);
}

.report-checkbox {
    width: 18px;
    height: 18px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
    transition: all var(--transition-fast);
}

.report-module-item.checked .report-checkbox {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.report-module-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-primary);
}

.report-module-desc {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.report-format-group {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.report-format-option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.report-radio {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.report-format-option.active .report-radio {
    border-color: var(--accent-primary);
}

.report-format-option.active .report-radio::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-primary);
}

.report-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
}

.btn {
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

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

.btn-primary:hover {
    background: var(--accent-primary-hover);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

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

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

.btn-danger {
    background: var(--severity-critical-bg);
    color: var(--severity-critical);
    border: 1px solid var(--severity-critical-border);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

.btn-success {
    background: var(--status-operational-bg);
    color: var(--status-operational);
}

/* Standard Library */
.standard-library {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.library-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.library-card:hover {
    border-color: var(--border-hover);
}

.library-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-md);
}

.library-card-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-primary);
}

.library-card-badge {
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    background: var(--bg-surface);
    color: var(--text-secondary);
}

.library-card-desc {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--space-lg);
    line-height: 1.5;
}

.library-card-actions {
    display: flex;
    gap: var(--space-sm);
}

.library-card-actions .btn {
    flex: 1;
    justify-content: center;
}

/* Scheduled Deliveries Table */
.scheduled-table {
    margin-top: var(--space-2xl);
}

/* ── Tables ─────────────────────────────────────────────────── */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.data-table thead th {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-primary);
    text-align: left;
}

.data-table tbody td {
    padding: var(--space-lg) var(--space-xl);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: middle;
}

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

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

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

/* Access Level Badges */
.access-badge {
    display: inline-flex;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.access-badge.admin {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.access-badge.write {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.access-badge.read-only {
    background: rgba(100, 116, 139, 0.15);
    color: #94a3b8;
    border: 1px solid rgba(100, 116, 139, 0.3);
}

/* User Row */
.user-cell {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.user-cell-avatar {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.user-cell-name {
    font-weight: 600;
}

.user-cell-email {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.status-dot {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
}

.status-dot::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-dot.online::before { background: var(--status-connected); }
.status-dot.offline::before { background: var(--status-disconnected); }

/* ── Settings Page ──────────────────────────────────────────── */
.settings-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.settings-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    transition: all var(--transition-base);
}

.settings-stat-card:hover {
    border-color: var(--border-hover);
}

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

.integrations-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.integration-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.integration-card:hover {
    border-color: var(--border-hover);
}

.integration-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-lg);
}

.integration-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: white;
}

.integration-name {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.integration-desc {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-bottom: var(--space-lg);
    line-height: 1.5;
}

.integration-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-xs);
}

.integration-connected {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.integration-connected::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.integration-connected.active::before { background: var(--status-connected); }
.integration-connected.inactive::before { background: var(--status-disconnected); }

.integration-connected.active { color: var(--status-connected); }
.integration-connected.inactive { color: var(--status-disconnected); }

.integration-sync {
    color: var(--text-tertiary);
}

/* UAC Header */
.uac-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-xl);
}

.uac-actions {
    display: flex;
    gap: var(--space-md);
}

/* ── Trends Page ────────────────────────────────────────────── */
.trends-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.trend-big-chart {
    grid-column: span 2;
}

/* ── Utility Classes ────────────────────────────────────────── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-tertiary); }
.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.hidden { display: none !important; }

/* ── Animations ─────────────────────────────────────────────── */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

.animate-fade-in { animation: fadeIn var(--transition-base) ease-out; }
.animate-slide-up { animation: slideUp var(--transition-slow) ease-out; }

/* Page load animation */
.page-enter {
    animation: fadeIn 0.3s ease-out;
}

/* New alert flash */
@keyframes alertFlash {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.alert-new {
    animation: alertFlash 1s ease-out, slideIn 0.5s ease-out;
}

/* ── Recent Exports ─────────────────────────────────────────── */
.recent-exports {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-top: var(--space-lg);
}

.recent-export-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) 0;
}

.recent-export-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.recent-export-time {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

/* ── Investigation Selector ─────────────────────────────────── */
.investigation-selector {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    overflow-x: auto;
    padding-bottom: var(--space-sm);
}

.investigation-tab {
    padding: var(--space-sm) var(--space-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.investigation-tab.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.investigation-tab:hover:not(.active) {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

/* ── Network Map Legend ─────────────────────────────────────── */
.network-legend {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-md);
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.network-legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.network-legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.network-legend-line {
    width: 20px;
    height: 2px;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1400px) {
    .investigation-content {
        grid-template-columns: 1fr 1fr;
    }
    .entities-card {
        grid-column: span 2;
    }
}

@media (max-width: 1200px) {
    .charts-row {
        grid-template-columns: 1fr;
    }
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .integrations-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .reports-layout {
        grid-template-columns: 1fr;
    }
    .settings-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: var(--sidebar-collapsed);
        min-width: var(--sidebar-collapsed);
    }
    .sidebar-logo-text,
    .sidebar-nav-item span:not(.nav-icon):not(.nav-badge) {
        display: none;
    }
    .alerts-grid {
        grid-template-columns: 1fr;
    }
    .heatmap-row {
        grid-template-columns: 1fr;
    }
    .investigation-content {
        grid-template-columns: 1fr;
    }
    .entities-card {
        grid-column: span 1;
    }
}

/* ── SVG Line for Network Map ───────────────────────────────── */
.network-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.network-svg line {
    stroke: var(--border-primary);
    stroke-width: 1.5;
}

.network-svg line.threat-line {
    stroke: var(--severity-critical);
    stroke-dasharray: 6 4;
    animation: dashMove 1s linear infinite;
}

@keyframes dashMove {
    to { stroke-dashoffset: -10; }
}

/* ── Loader ─────────────────────────────────────────────────── */
.page-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-primary);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: var(--space-md);
}

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

/* ================================================================
   Language Switcher
   ================================================================ */
.lang-switcher {
    display: flex;
    align-items: center;
    background: var(--bg-input);
    border: 1px solid var(--border-primary);
    border-radius: 20px;
    padding: 2px;
    gap: 0;
    position: relative;
    overflow: hidden;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border: none;
    border-radius: 18px;
    background: transparent;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
    z-index: 1;
}

.lang-btn:hover {
    color: var(--text-secondary);
}

.lang-btn.active {
    background: var(--accent-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
}

.lang-flag {
    font-size: 0.9rem;
    line-height: 1;
}

/* ================================================================
   Modal Overlay & Container
   ================================================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    transition: background 0.3s ease, backdrop-filter 0.3s ease;
    padding: 24px;
}

.modal-overlay.show {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
}

.modal-overlay.closing {
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
}

.modal-container {
    background: rgba(22, 29, 42, 0.95);
    border: 1px solid var(--border-primary);
    border-radius: 16px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5), 0 0 40px rgba(99, 102, 241, 0.05);
    max-height: 85vh;
    overflow-y: auto;
    transform: translateY(20px) scale(0.97);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
}

.modal-overlay.show .modal-container {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.modal-overlay.closing .modal-container {
    transform: translateY(20px) scale(0.97);
    opacity: 0;
}

.modal-sm { width: 420px; max-width: 95vw; }
.modal-md { width: 560px; max-width: 95vw; }
.modal-lg { width: 720px; max-width: 95vw; }

/* Modal Header */
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--border-primary);
}

.modal-title-group {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.modal-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
}

.modal-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.modal-close-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-tertiary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.modal-close-btn:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
}

/* Modal Body */
.modal-body {
    padding: 20px 24px 24px;
}

/* Modal Detail Grid */
.modal-detail-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
}

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

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

.modal-detail-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.modal-detail-value {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Modal Section */
.modal-section {
    margin-top: 16px;
    padding: 14px 16px;
    background: var(--bg-surface);
    border-radius: 10px;
    border: 1px solid var(--border-subtle);
}

.modal-section-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 8px;
}

.modal-section-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.modal-recommendation {
    background: rgba(99, 102, 241, 0.06);
    border-color: rgba(99, 102, 241, 0.15);
}

/* Modal KPI Highlight */
.modal-kpi-highlight {
    text-align: center;
    padding: 16px 0 20px;
}

.modal-kpi-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.modal-kpi-label {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: 6px;
}

/* Modal scrollbar */
.modal-container::-webkit-scrollbar {
    width: 6px;
}

.modal-container::-webkit-scrollbar-track {
    background: transparent;
}

.modal-container::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: 3px;
}

/* ================================================================
   Clickable Card Enhancements
   ================================================================ */
.kpi-card.clickable,
.recent-threat-item.clickable,
.heatmap-cell.clickable,
.alert-card.clickable,
.timeline-item.clickable,
.network-node.clickable,
.entity-block.clickable,
.integration-card.clickable,
.library-card.clickable {
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.kpi-card.clickable:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-primary);
}

.recent-threat-item.clickable:hover {
    background: var(--bg-surface-hover);
    border-radius: 8px;
    padding-left: 8px;
    margin-left: -8px;
}

.heatmap-cell.clickable:hover {
    transform: scale(1.3);
    z-index: 2;
    box-shadow: 0 0 8px rgba(99, 102, 241, 0.4);
}

.alert-card.clickable:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.timeline-item.clickable:hover {
    background: var(--bg-surface-hover);
    border-radius: 8px;
    padding-left: 12px;
    margin-left: -4px;
}

.entity-block.clickable:hover {
    border-color: var(--accent-primary);
    background: var(--bg-surface-hover);
}

.integration-card.clickable:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.library-card.clickable:hover {
    border-color: var(--accent-primary);
}

tr.clickable-row {
    cursor: pointer;
    transition: background 0.2s ease;
}

tr.clickable-row:hover {
    background: var(--bg-surface-hover);
}

/* ================================================================
   Live Threat Map (Kaspersky) Styling
   ================================================================ */
.live-pulse-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    border-radius: 12px;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.live-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ef4444;
    box-shadow: 0 0 6px #ef4444;
    animation: livePulse 1.5s infinite ease-in-out;
}

@keyframes livePulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.75); }
}

/* Dashboard Embed Widget */
.dash-threatmap-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: border-color 0.2s ease;
}

.dash-threatmap-card:hover {
    border-color: rgba(99, 102, 241, 0.4);
}

.dash-threatmap-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.dash-threatmap-title-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.dash-threatmap-frame {
    position: relative;
    width: 100%;
    height: 380px;
    border-radius: 8px;
    overflow: hidden;
    background: #060a12;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

#dash-threatmap-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Dedicated Threat Map Page */
.threatmap-page-wrapper {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.threatmap-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.threatmap-title-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 4px;
}

.threatmap-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.threatmap-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.threatmap-speed-group {
    display: flex;
    background: var(--bg-input);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    overflow: hidden;
}

.threatmap-speed-group button {
    border: none;
    border-radius: 0;
    padding: 6px 10px;
    font-size: 0.75rem;
}

.threatmap-speed-group button.active {
    background: var(--accent-primary);
    color: white;
}

/* Stats Ticker */
.threatmap-stats-ticker {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.ticker-item {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 10px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ticker-label {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--text-tertiary);
    letter-spacing: 0.05em;
}

.ticker-value {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
}

.ticker-value.text-red { color: #ef4444; }
.ticker-value.text-orange { color: #f97316; }

/* Threat Types Bar */
.threatmap-types-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.threat-type-tag {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 6px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.threat-type-tag:hover,
.threat-type-tag.active {
    border-color: var(--accent-primary);
    color: #fff;
    background: var(--bg-surface-hover);
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.25);
}

/* Main Grid */
.threatmap-main-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 16px;
    min-height: 520px;
}

@media (max-width: 1024px) {
    .threatmap-main-grid {
        grid-template-columns: 1fr;
    }
}

.threatmap-canvas-card {
    background: #060a12;
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    min-height: 480px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

#threatmap-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Feed Panel */
.threatmap-feed-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    max-height: 540px;
}

.feed-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-primary);
    background: var(--bg-surface);
}

.feed-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.04em;
}

.feed-badge {
    font-size: 0.65rem;
    font-weight: 700;
    color: #22c55e;
    background: rgba(34, 197, 94, 0.15);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.feed-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.feed-list::-webkit-scrollbar {
    width: 4px;
}
.feed-list::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: 2px;
}

.feed-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    padding: 8px 10px;
    animation: feedSlide 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

.feed-item-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.feed-threat-badge {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
}

.feed-time {
    font-size: 0.65rem;
    color: var(--text-tertiary);
}

.feed-route {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.feed-arrow {
    color: #ef4444;
    font-size: 0.7rem;
}

.feed-port {
    font-size: 0.7rem;
    color: var(--text-tertiary);
}

.threatmap-footer-note {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-align: right;
    margin-top: 4px;
}