/* =============================================================================
   Keelr platform - Design System
   Premium cybersecurity SaaS aesthetic. Dark-first, security-grade UI.
   Built on Bootstrap 5 dark theme with custom design tokens. Brand crimson is #A12244.
   ============================================================================= */


/* =============================================================================
   FONTS
   Inter (variable) for UI, JetBrains Mono for code/data.
   All self-hosted - zero external requests.
   ============================================================================= */

@font-face {
    font-family: 'Inter';
    src: url("/static/fonts/inter/InterVariable.2bf3d951bf9d.woff2") format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

/* Static fallbacks for browsers without variable font support */
@font-face {
    font-family: 'Inter Static';
    src: url("/static/fonts/inter/Inter-Light.07d4495483a0.woff2") format('woff2');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Inter Static';
    src: url("/static/fonts/inter/Inter-Regular.3875f8357497.woff2") format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Inter Static';
    src: url("/static/fonts/inter/Inter-Medium.7b7f3cfa2944.woff2") format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Inter Static';
    src: url("/static/fonts/inter/Inter-SemiBold.b72fa2728a8e.woff2") format('woff2');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Inter Static';
    src: url("/static/fonts/inter/Inter-Bold.66894432e7ff.woff2") format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'JetBrains Mono';
    src: url("/static/fonts/jetbrains-mono/JetBrainsMono-Regular.4e0581ae831b.woff2") format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'JetBrains Mono';
    src: url("/static/fonts/jetbrains-mono/JetBrainsMono-Medium.ef0a72739771.woff2") format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'JetBrains Mono';
    src: url("/static/fonts/jetbrains-mono/JetBrainsMono-Bold.f3651b6798df.woff2") format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}


/* =============================================================================
   DESIGN TOKENS
   Single source of truth for all visual properties.
   ============================================================================= */

:root {
    /* --- Backgrounds (dark gradient, darkest to lightest) --- */
    --kl-bg-deep: #080b10;
    --kl-bg-primary: #0d1117;
    --kl-bg-secondary: #151b23;
    --kl-bg-tertiary: #1c2129;
    --kl-bg-elevated: #242b35;
    --kl-bg-hover: #2a3140;

    /* --- Borders --- */
    --kl-border: #2a3140;
    --kl-border-subtle: #1e2530;
    --kl-border-strong: #3d4856;

    /* --- Text --- */
    --kl-text-primary: #e6edf3;
    --kl-text-secondary: #9eaab8;
    --kl-text-muted: #5a6570;
    --kl-text-inverse: #0d1117;

    /* --- Brand: Keelr Crimson (canonical #A12244, rgb(161, 34, 68)) --- */
    --kl-red: #A12244;
    --kl-red-light: #BD647C;
    --kl-red-dark: #711830;
    --kl-red-deep: #501122;
    --kl-red-glow: rgba(161, 34, 68, 0.15);
    --kl-red-glow-strong: rgba(161, 34, 68, 0.3);

    /* --- Accent palette (semantic) --- */
    --kl-accent-red: #f85149;
    --kl-accent-red-dim: rgba(248, 81, 73, 0.15);
    --kl-accent-green: #3fb950;
    --kl-accent-green-dim: rgba(63, 185, 80, 0.15);
    --kl-accent-yellow: #d29922;
    --kl-accent-yellow-dim: rgba(210, 153, 34, 0.15);
    --kl-accent-orange: #db6d28;
    --kl-accent-orange-dim: rgba(219, 109, 40, 0.15);
    --kl-accent-purple: #bc8cff;
    --kl-accent-purple-dim: rgba(188, 140, 255, 0.15);

    /* --- Typography --- */
    --kl-font-sans: 'Inter', 'Inter Static', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --kl-font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;

    /* --- Spacing scale (8px base) --- */
    --kl-space-1: 0.25rem;   /* 4px */
    --kl-space-2: 0.5rem;    /* 8px */
    --kl-space-3: 0.75rem;   /* 12px */
    --kl-space-4: 1rem;      /* 16px */
    --kl-space-5: 1.5rem;    /* 24px */
    --kl-space-6: 2rem;      /* 32px */
    --kl-space-8: 3rem;      /* 48px */
    --kl-space-10: 4rem;     /* 64px */
    --kl-space-12: 5rem;     /* 80px */
    --kl-space-16: 8rem;     /* 128px */

    /* --- Layout --- */
    --kl-sidebar-width: 260px;
    --kl-navbar-height: 56px;
    --kl-border-radius: 8px;
    --kl-border-radius-sm: 6px;
    --kl-border-radius-lg: 12px;
    --kl-border-radius-xl: 16px;

    /* --- Transitions --- */
    --kl-transition-fast: 150ms ease;
    --kl-transition-base: 250ms ease;
    --kl-transition-slow: 400ms ease;
    --kl-transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* --- Shadows (layered depth) --- */
    --kl-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --kl-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --kl-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --kl-shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
    --kl-shadow-glow: 0 0 20px var(--kl-red-glow);
    --kl-shadow-glow-strong: 0 0 40px var(--kl-red-glow-strong);
}


/* =============================================================================
   GLOBAL RESET & BASE
   ============================================================================= */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    background-color: var(--kl-bg-primary);
    color: var(--kl-text-primary);
    font-family: var(--kl-font-sans);
    font-size: 0.9375rem; /* 15px */
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

::selection {
    background-color: var(--kl-red);
    color: #fff;
}

a {
    color: var(--kl-red-light);
    text-decoration: none;
    transition: color var(--kl-transition-fast);
}

a:hover {
    color: var(--kl-red);
}


/* =============================================================================
   TYPOGRAPHY
   ============================================================================= */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--kl-text-primary);
    letter-spacing: -0.01em;
}

h1 { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.025em; }
h2 { font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.0625rem; }
h6 { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; }

.display-hero {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.display-section {
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.025em;
}

.text-gradient {
    background: linear-gradient(135deg, var(--kl-red) 0%, var(--kl-red-dark) 45%, var(--kl-accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.lead {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--kl-text-secondary);
    font-weight: 400;
}

.eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--kl-red);
}

.text-mono {
    font-family: var(--kl-font-mono);
    font-size: 0.875em;
}


/* =============================================================================
   PUBLIC NAVBAR (marketing pages)
   Transparent -> solid on scroll. Premium feel.
   ============================================================================= */

.navbar-public {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    height: var(--kl-navbar-height);
    background-color: transparent;
    border-bottom: 1px solid transparent;
    transition: background-color var(--kl-transition-base),
                border-color var(--kl-transition-base),
                box-shadow var(--kl-transition-base);
}

.navbar-public.scrolled {
    background-color: rgba(13, 17, 23, 0.95);
    border-bottom-color: var(--kl-border-subtle);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--kl-shadow-md);
}

.navbar-public .navbar-brand {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #fff;
    display: flex;
    align-items: center;
    gap: var(--kl-space-2);
}

.navbar-public .navbar-brand .brand-mark {
    width: 26px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.navbar-public .nav-link {
    color: var(--kl-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color var(--kl-transition-fast);
}

.navbar-public .nav-link:hover,
.navbar-public .nav-link.active {
    color: #fff;
}

.navbar-public .btn-nav-cta {
    background-color: var(--kl-red);
    color: #fff;
    border: none;
    border-radius: var(--kl-border-radius-sm);
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    transition: background-color var(--kl-transition-fast),
                box-shadow var(--kl-transition-fast),
                transform var(--kl-transition-fast);
}

.navbar-public .btn-nav-cta:hover {
    background-color: var(--kl-red-light);
    box-shadow: var(--kl-shadow-glow);
    transform: translateY(-1px);
    color: #fff;
}


/* =============================================================================
   PORTAL NAVBAR (authenticated)
   Compact, always solid. Functional.
   ============================================================================= */

#main-navbar {
    background-color: var(--kl-bg-secondary);
    border-bottom: 1px solid var(--kl-border);
    height: var(--kl-navbar-height);
    z-index: 1030;
}

#main-navbar .navbar-brand {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #fff;
    display: flex;
    align-items: center;
    gap: var(--kl-space-2);
}

#main-navbar .brand-mark {
    width: 23px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#main-navbar .nav-link {
    color: var(--kl-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--kl-border-radius-sm);
    transition: color var(--kl-transition-fast), background-color var(--kl-transition-fast);
}

#main-navbar .nav-link:hover {
    color: var(--kl-text-primary);
}

#main-navbar .nav-link.active {
    color: #fff;
    background-color: var(--kl-bg-tertiary);
}


/* =============================================================================
   SIDEBAR (portal)
   ============================================================================= */

#sidebar {
    width: var(--kl-sidebar-width);
    min-width: var(--kl-sidebar-width);
    min-height: calc(100vh - var(--kl-navbar-height));
    background-color: var(--kl-bg-secondary);
    border-right: 1px solid var(--kl-border);
    position: sticky;
    top: var(--kl-navbar-height);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--kl-bg-hover) transparent;
}

#sidebar .nav-link {
    color: var(--kl-text-secondary);
    padding: 0.45rem 0.75rem;
    border-radius: var(--kl-border-radius-sm);
    font-size: 0.875rem;
    font-weight: 450;
    transition: background-color var(--kl-transition-fast),
                color var(--kl-transition-fast);
    display: flex;
    align-items: center;
    gap: var(--kl-space-2);
}

#sidebar .nav-link:hover {
    color: var(--kl-text-primary);
    background-color: var(--kl-bg-tertiary);
}

#sidebar .nav-link.active {
    color: #fff;
    background-color: var(--kl-bg-tertiary);
}

#sidebar .nav-icon {
    width: 1.25rem;
    height: 1.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    opacity: 0.7;
}

#sidebar .nav-link.active .nav-icon {
    opacity: 1;
}

#sidebar .sidebar-heading {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--kl-text-muted);
    padding: 0 0.75rem;
}


/* =============================================================================
   MAIN CONTENT AREAS
   ============================================================================= */

#app-wrapper {
    margin-top: var(--kl-navbar-height);
    min-height: calc(100vh - var(--kl-navbar-height));
}

#main-content {
    background-color: var(--kl-bg-primary);
    min-height: calc(100vh - var(--kl-navbar-height));
}

.public-page #main-content {
    margin-top: 0;
}


/* =============================================================================
   CARDS
   ============================================================================= */

.card {
    background-color: var(--kl-bg-secondary);
    border: 1px solid var(--kl-border);
    border-radius: var(--kl-border-radius);
    transition: border-color var(--kl-transition-fast),
                box-shadow var(--kl-transition-fast);
}

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

.card-glow:hover {
    border-color: var(--kl-red-dark);
    box-shadow: var(--kl-shadow-glow);
}

.card-header {
    background-color: var(--kl-bg-tertiary);
    border-bottom: 1px solid var(--kl-border);
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.75rem 1rem;
}

.card-body {
    padding: 1.25rem;
}


/* =============================================================================
   FEATURE CARDS (public pages)
   ============================================================================= */

.feature-card {
    background-color: rgba(21, 27, 35, 0.6);
    border: 1px solid transparent;
    border-radius: var(--kl-border-radius-lg);
    padding: var(--kl-space-6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: border-color var(--kl-transition-base),
                box-shadow var(--kl-transition-base),
                transform var(--kl-transition-base);
}

.feature-card:hover {
    border-color: var(--kl-red-dark);
    box-shadow: var(--kl-shadow-glow);
    transform: translateY(-2px);
}

.feature-card .feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--kl-border-radius);
    background-color: var(--kl-red-glow);
    color: var(--kl-red-light);
    margin-bottom: var(--kl-space-4);
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--kl-space-2);
}

.feature-card p {
    color: var(--kl-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 0;
}


/* =============================================================================
   TABLES
   ============================================================================= */

.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--kl-text-primary);
    --bs-table-border-color: var(--kl-border);
    font-size: 0.875rem;
}

.table thead th {
    background-color: var(--kl-bg-tertiary);
    color: var(--kl-text-secondary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom-width: 1px;
    padding: 0.625rem 0.75rem;
    white-space: nowrap;
}

.table tbody td {
    padding: 0.625rem 0.75rem;
    vertical-align: middle;
}

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

.table tbody tr:hover {
    background-color: var(--kl-bg-tertiary);
}


/* =============================================================================
   BADGES & STATUS
   ============================================================================= */

/* Canonical Keelr risk scale (1-100) with five named buckets */
.badge-high-risk         { background-color: var(--kl-accent-red); color: #fff; }
.badge-risk              { background-color: var(--kl-accent-orange); color: #fff; }
.badge-highly-suspicious { background-color: var(--kl-accent-yellow); color: var(--kl-text-inverse); }
.badge-suspicious        { background-color: var(--kl-red); color: #fff; }
.badge-low-risk          { background-color: var(--kl-accent-green); color: var(--kl-text-inverse); }

/* Status dots */
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
    flex-shrink: 0;
}

.status-dot-active {
    background-color: var(--kl-accent-green);
    box-shadow: 0 0 6px rgba(63, 185, 80, 0.4);
}

.status-dot-warning {
    background-color: var(--kl-accent-yellow);
    box-shadow: 0 0 6px rgba(210, 153, 34, 0.4);
}

.status-dot-danger {
    background-color: var(--kl-accent-red);
    box-shadow: 0 0 6px rgba(248, 81, 73, 0.4);
}

.status-dot-inactive { background-color: var(--kl-text-muted); }

/* Pulsing status for live indicators */
.status-dot-pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}


/* =============================================================================
   KPI CARDS
   ============================================================================= */

.kpi-card {
    text-align: center;
    padding: var(--kl-space-5);
}

.kpi-card .kpi-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    font-family: var(--kl-font-mono);
    letter-spacing: -0.02em;
}

.kpi-card .kpi-label {
    font-size: 0.75rem;
    color: var(--kl-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--kl-space-2);
    font-weight: 500;
}

.kpi-card .kpi-change {
    font-size: 0.75rem;
    font-weight: 500;
    margin-top: var(--kl-space-1);
}

.kpi-change-up { color: var(--kl-accent-green); }
.kpi-change-down { color: var(--kl-accent-red); }


/* =============================================================================
   BUTTONS
   ============================================================================= */

/* Primary brand button */
.btn-keelr {
    background-color: var(--kl-red);
    border: 1px solid var(--kl-red);
    color: #fff;
    font-weight: 600;
    border-radius: var(--kl-border-radius-sm);
    padding: 0.625rem 1.5rem;
    font-size: 0.9375rem;
    transition: background-color var(--kl-transition-fast),
                border-color var(--kl-transition-fast),
                box-shadow var(--kl-transition-fast),
                transform var(--kl-transition-fast);
}

.btn-keelr:hover {
    background-color: var(--kl-red-light);
    border-color: var(--kl-red-light);
    color: #fff;
    box-shadow: var(--kl-shadow-glow);
    transform: translateY(-1px);
}

.btn-keelr:active {
    transform: translateY(0);
    box-shadow: none;
}

/* Ghost/outline button */
.btn-keelr-outline {
    background-color: transparent;
    border: 1px solid var(--kl-red);
    color: var(--kl-red-light);
    font-weight: 600;
    border-radius: var(--kl-border-radius-sm);
    padding: 0.625rem 1.5rem;
    font-size: 0.9375rem;
    transition: background-color var(--kl-transition-fast),
                color var(--kl-transition-fast),
                box-shadow var(--kl-transition-fast);
}

.btn-keelr-outline:hover {
    background-color: var(--kl-red-glow);
    color: #fff;
    box-shadow: var(--kl-shadow-glow);
}

/* Danger button */
.btn-keelr-danger {
    background-color: var(--kl-accent-red);
    border: 1px solid var(--kl-accent-red);
    color: #fff;
    font-weight: 600;
    border-radius: var(--kl-border-radius-sm);
    padding: 0.625rem 1.5rem;
    transition: background-color var(--kl-transition-fast),
                box-shadow var(--kl-transition-fast);
}

.btn-keelr-danger:hover {
    background-color: #da3633;
    border-color: #da3633;
    color: #fff;
    box-shadow: 0 0 20px rgba(248, 81, 73, 0.2);
}

/* Small button variant */
.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

/* Large button variant */
.btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1.0625rem;
}


/* =============================================================================
   FORMS
   ============================================================================= */

.form-control,
.form-select {
    background-color: var(--kl-bg-tertiary);
    border: 1px solid var(--kl-border);
    color: var(--kl-text-primary);
    border-radius: var(--kl-border-radius-sm);
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    transition: border-color var(--kl-transition-fast),
                box-shadow var(--kl-transition-fast);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--kl-bg-tertiary);
    border-color: var(--kl-red);
    color: var(--kl-text-primary);
    box-shadow: 0 0 0 3px var(--kl-red-glow);
}

.form-control::placeholder {
    color: var(--kl-text-muted);
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--kl-text-secondary);
    margin-bottom: 0.375rem;
}

.form-text {
    font-size: 0.8125rem;
    color: var(--kl-text-muted);
}

/* Error states */
.form-control.is-invalid,
.was-validated .form-control:invalid {
    border-color: var(--kl-accent-red);
    box-shadow: 0 0 0 3px var(--kl-accent-red-dim);
}

.invalid-feedback {
    color: var(--kl-accent-red);
    font-size: 0.8125rem;
}


/* =============================================================================
   HERO SECTIONS (public pages)
   ============================================================================= */

.hero {
    padding: calc(var(--kl-navbar-height) + var(--kl-space-16)) 0 var(--kl-space-16);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--kl-red-glow-strong) 0%, transparent 70%),
        radial-gradient(ellipse 60% 40% at 80% 50%, rgba(188, 140, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero > * {
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--kl-text-secondary);
    line-height: 1.7;
    max-width: 600px;
}


/* =============================================================================
   SECTIONS (public pages)
   ============================================================================= */

.section {
    padding: var(--kl-space-16) 0;
}

.section-dark {
    background-color: var(--kl-bg-deep);
    opacity: 0.8;
}

.section-alt {
    background-color: var(--kl-bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--kl-space-10);
}

.section-header .eyebrow {
    margin-bottom: var(--kl-space-3);
}

.section-header p {
    max-width: 640px;
    margin: var(--kl-space-4) auto 0;
    color: var(--kl-text-secondary);
    font-size: 1.0625rem;
    line-height: 1.7;
}


/* =============================================================================
   STATS COUNTER (public pages)
   ============================================================================= */

.stat-item {
    text-align: center;
    padding: var(--kl-space-5);
}

.stat-value {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    font-family: var(--kl-font-mono);
    color: var(--kl-red-light);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--kl-text-secondary);
    margin-top: var(--kl-space-2);
    font-weight: 500;
}


/* =============================================================================
   PRICING CARDS (public pages)
   ============================================================================= */

.pricing-card {
    background-color: rgba(21, 27, 35, 0.6);
    border: 1px solid rgba(42, 49, 64, 0.7);
    border-radius: var(--kl-border-radius-lg);
    padding: var(--kl-space-6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: border-color var(--kl-transition-base),
                box-shadow var(--kl-transition-base);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.pricing-card-featured {
    border-color: var(--kl-red);
    box-shadow: var(--kl-shadow-glow);
}

.pricing-card-featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--kl-red);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 1rem;
    border-radius: 100px;
    letter-spacing: 0.02em;
}

.pricing-card:hover {
    border-color: var(--kl-red-dark);
    box-shadow: var(--kl-shadow-glow);
}

.pricing-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--kl-space-2);
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--kl-font-mono);
    color: var(--kl-red-light);
    line-height: 1.2;
}

.pricing-period {
    font-size: 0.875rem;
    color: var(--kl-text-muted);
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: var(--kl-space-5) 0;
    flex-grow: 1;
}

.pricing-features li {
    padding: 0.5rem 0;
    font-size: 0.9375rem;
    color: var(--kl-text-secondary);
    display: flex;
    align-items: flex-start;
    gap: var(--kl-space-2);
}

.pricing-features li svg {
    flex-shrink: 0;
    margin-top: 3px;
}


/* =============================================================================
   FOOTER (public pages)
   ============================================================================= */

.footer-public {
    background-color: var(--kl-bg-deep);
    border-top: 1px solid var(--kl-border);
    padding: var(--kl-space-10) 0 var(--kl-space-6);
}

.footer-public h6 {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--kl-text-primary);
    margin-bottom: var(--kl-space-4);
}

.footer-public .footer-link {
    color: var(--kl-text-secondary);
    font-size: 0.875rem;
    padding: 0.25rem 0;
    display: block;
    transition: color var(--kl-transition-fast);
}

.footer-public .footer-link:hover {
    color: var(--kl-red-light);
}

.footer-bottom {
    border-top: 1px solid var(--kl-border-subtle);
    margin-top: var(--kl-space-8);
    padding-top: var(--kl-space-5);
}


/* =============================================================================
   FOOTER (portal)
   ============================================================================= */

.footer-portal {
    background-color: var(--kl-bg-secondary);
    border-top: 1px solid var(--kl-border);
    padding: var(--kl-space-3) 0;
}


/* =============================================================================
   AUTH PAGES (login, register, etc.)
   ============================================================================= */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--kl-bg-deep);
    padding: var(--kl-space-6);
    position: relative;
}

.auth-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 50% 50% at 50% 30%, var(--kl-red-glow) 0%, transparent 70%);
    pointer-events: none;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background-color: var(--kl-bg-secondary);
    border: 1px solid transparent;
    border-radius: var(--kl-border-radius-lg);
    padding: var(--kl-space-8);
    position: relative;
    z-index: 1;
}

.auth-card .auth-logo {
    text-align: center;
    margin-bottom: var(--kl-space-6);
}

.auth-card .auth-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--kl-space-1);
}

.auth-card .auth-subtitle {
    font-size: 0.9375rem;
    color: var(--kl-text-secondary);
    text-align: center;
    margin-bottom: var(--kl-space-6);
}

.auth-footer {
    text-align: center;
    margin-top: var(--kl-space-5);
    font-size: 0.875rem;
    color: var(--kl-text-secondary);
}

.auth-footer a {
    font-weight: 500;
}

/* Form checkboxes (dark theme override) */
.form-check-input {
    background-color: var(--kl-bg-tertiary);
    border-color: var(--kl-border);
}

.form-check-input:checked {
    background-color: var(--kl-red);
    border-color: var(--kl-red);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px var(--kl-red-glow);
    border-color: var(--kl-red);
}

.form-check-label {
    font-size: 0.875rem;
    color: var(--kl-text-secondary);
}


/* =============================================================================
   ERROR PAGES
   ============================================================================= */

.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--kl-space-6);
}

.error-code {
    font-size: clamp(5rem, 15vw, 10rem);
    font-weight: 700;
    font-family: var(--kl-font-mono);
    line-height: 1;
    color: var(--kl-text-muted);
    letter-spacing: -0.03em;
}


/* =============================================================================
   SCROLL REVEAL ANIMATION
   ============================================================================= */

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--kl-transition-slow),
                transform var(--kl-transition-slow);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}


/* =============================================================================
   ALERTS (override Bootstrap)
   ============================================================================= */

.alert {
    border-radius: var(--kl-border-radius-sm);
    font-size: 0.875rem;
    border: 1px solid;
}

.alert-success {
    background-color: var(--kl-accent-green-dim);
    border-color: rgba(63, 185, 80, 0.3);
    color: var(--kl-accent-green);
}

.alert-danger,
.alert-error {
    background-color: var(--kl-accent-red-dim);
    border-color: rgba(248, 81, 73, 0.3);
    color: var(--kl-accent-red);
}

.alert-warning {
    background-color: var(--kl-accent-yellow-dim);
    border-color: rgba(210, 153, 34, 0.3);
    color: var(--kl-accent-yellow);
}

.alert-info {
    background-color: var(--kl-red-glow);
    border-color: var(--kl-red-glow-strong);
    color: var(--kl-red-light);
}


/* =============================================================================
   TOASTS (Keelr themed, positioned below navbar)
   ============================================================================= */

.keelr-toast-container {
    top: var(--kl-navbar-height) !important;
    z-index: 1090;
    pointer-events: none;
}

.keelr-toast-container .toast {
    pointer-events: auto;
}

.keelr-toast {
    background-color: var(--kl-bg-elevated);
    border: 1px solid var(--kl-border);
    color: var(--kl-text-primary);
    box-shadow: var(--kl-shadow-lg);
    border-radius: var(--kl-border-radius-sm);
    font-size: 0.875rem;
    min-width: 320px;
}

.keelr-toast-success {
    background-color: var(--kl-accent-green-dim);
    border-color: rgba(63, 185, 80, 0.3);
    color: var(--kl-accent-green);
}

.keelr-toast-error,
.keelr-toast-danger {
    background-color: var(--kl-accent-red-dim);
    border-color: rgba(248, 81, 73, 0.3);
    color: var(--kl-accent-red);
}

.keelr-toast-warning {
    background-color: var(--kl-accent-yellow-dim);
    border-color: rgba(210, 153, 34, 0.3);
    color: var(--kl-accent-yellow);
}

.keelr-toast-info,
.keelr-toast-debug {
    background-color: var(--kl-red-glow);
    border-color: var(--kl-red-glow-strong);
    color: var(--kl-red-light);
}


/* =============================================================================
   DROPDOWN MENUS (override Bootstrap)
   ============================================================================= */

.dropdown-menu {
    background-color: var(--kl-bg-elevated);
    border: 1px solid var(--kl-border);
    border-radius: var(--kl-border-radius);
    box-shadow: var(--kl-shadow-lg);
    padding: var(--kl-space-1) 0;
}

.dropdown-item {
    color: var(--kl-text-secondary);
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    transition: background-color var(--kl-transition-fast), color var(--kl-transition-fast);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--kl-bg-hover);
    color: var(--kl-text-primary);
}

.dropdown-divider {
    border-color: var(--kl-border);
    margin: var(--kl-space-1) 0;
}


/* =============================================================================
   LEGAL PAGES
   ============================================================================= */

.legal-page {
    max-width: 800px;
    margin: 0 auto;
    padding: calc(var(--kl-navbar-height) + var(--kl-space-10)) var(--kl-space-5) var(--kl-space-10);
}

.legal-page h1 {
    font-size: 2rem;
    margin-bottom: var(--kl-space-3);
}

.legal-page .legal-meta {
    color: var(--kl-text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--kl-space-8);
    padding-bottom: var(--kl-space-5);
    border-bottom: 1px solid var(--kl-border);
}

.legal-page h2 {
    font-size: 1.375rem;
    margin-top: var(--kl-space-8);
    margin-bottom: var(--kl-space-4);
    padding-bottom: var(--kl-space-2);
    border-bottom: 1px solid var(--kl-border-subtle);
}

.legal-page h3 {
    font-size: 1.125rem;
    margin-top: var(--kl-space-5);
    margin-bottom: var(--kl-space-3);
}

.legal-page p,
.legal-page li {
    color: var(--kl-text-secondary);
    line-height: 1.8;
    font-size: 0.9375rem;
}

.legal-page ul,
.legal-page ol {
    padding-left: 1.5rem;
}

.legal-page li {
    margin-bottom: var(--kl-space-2);
}

.legal-toc {
    background-color: var(--kl-bg-secondary);
    border: 1px solid var(--kl-border);
    border-radius: var(--kl-border-radius);
    padding: var(--kl-space-5);
    margin-bottom: var(--kl-space-8);
}

.legal-toc h3 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0;
    margin-bottom: var(--kl-space-3);
}

.legal-toc ol {
    margin-bottom: 0;
}

.legal-toc a {
    color: var(--kl-text-secondary);
    font-size: 0.9375rem;
    transition: color var(--kl-transition-fast);
}

.legal-toc a:hover {
    color: var(--kl-red-light);
}


/* =============================================================================
   UTILITY CLASSES
   ============================================================================= */

.border-subtle {
    border-color: var(--kl-border) !important;
}

.bg-glow-blue {
    background-color: var(--kl-red-glow);
}

.text-blue {
    /* Link colour on dark backgrounds - uses the derived light tint
       so WCAG AA contrast (4.5:1) is preserved against --kl-bg-primary.
       Canonical brand blue #A12244 on dark bg drops to ~2.6:1 and fails. */
    color: var(--kl-red-light);
}

.brand-mark {
    /* Canonical brand blue for logo mark. Large enough that WCAG 3:1
       UI-component contrast holds at this colour on dark surfaces. */
    color: var(--kl-red);
}

.text-red {
    color: var(--kl-accent-red);
}

.text-green {
    color: var(--kl-accent-green);
}

.text-yellow {
    color: var(--kl-accent-yellow);
}


/* =============================================================================
   SCROLL TO TOP
   ============================================================================= */

.scroll-top {
    position: fixed;
    bottom: var(--kl-space-6);
    right: var(--kl-space-6);
    z-index: 1040;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--kl-red);
    border: 1px solid var(--kl-red);
    border-radius: var(--kl-border-radius-sm);
    color: #fff;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--kl-transition-fast),
                visibility var(--kl-transition-fast),
                transform var(--kl-transition-fast),
                background-color var(--kl-transition-fast);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background-color: var(--kl-red-light);
    box-shadow: var(--kl-shadow-glow);
}


/* =============================================================================
   RESPONSIVE
   ============================================================================= */

@media (max-width: 991.98px) {
    #sidebar {
        display: none !important;
    }

    #main-content {
        width: 100%;
    }

    /* Mobile navbar: solid background so it doesn't overlap page content */
    .navbar-public {
        height: auto;
        min-height: var(--kl-navbar-height);
    }

    .navbar-public .navbar-collapse {
        background-color: var(--kl-bg-primary);
        border-top: 1px solid var(--kl-border-subtle);
        margin-top: 0.5rem;
        padding: var(--kl-space-3) 0;
        border-radius: var(--kl-border-radius-sm);
    }

    .navbar-public .navbar-collapse .nav-link {
        padding: 0.625rem 1rem;
    }

    .navbar-public .navbar-collapse .d-flex {
        flex-direction: column;
        gap: var(--kl-space-2) !important;
        padding: var(--kl-space-2) 1rem 0;
    }

    .navbar-public .navbar-collapse .btn-nav-cta {
        text-align: center;
    }

    .hero {
        padding: calc(var(--kl-navbar-height) + var(--kl-space-10)) 0 var(--kl-space-10);
    }

    .section {
        padding: var(--kl-space-10) 0;
    }

    .auth-card {
        padding: var(--kl-space-6);
    }
}

@media (max-width: 767.98px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.625rem; }
    h3 { font-size: 1.25rem; }

    .feature-card {
        padding: var(--kl-space-5);
    }

    .pricing-card {
        padding: var(--kl-space-5);
    }
}

@media (max-width: 575.98px) {
    .hero-subtitle {
        font-size: 1rem;
    }

    .stat-value {
        font-size: 1.75rem;
    }
}


/* =============================================================================
   PASSWORD STRENGTH INDICATOR
   Real-time strength meter with live checklist for password fields.
   ============================================================================= */

.pwd-strength {
    margin-top: var(--kl-space-2);
}

.pwd-strength-track {
    height: 4px;
    background-color: var(--kl-bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: var(--kl-space-2);
}

.pwd-strength-bar {
    height: 100%;
    width: 0;
    border-radius: 2px;
    transition: width var(--kl-transition-base), background-color var(--kl-transition-base);
}

.pwd-strength-bar.pwd-weak {
    width: 25%;
    background-color: var(--kl-accent-red);
}

.pwd-strength-bar.pwd-fair {
    width: 50%;
    background-color: var(--kl-accent-yellow);
}

.pwd-strength-bar.pwd-strong {
    width: 75%;
    background-color: var(--kl-accent-green);
}

.pwd-strength-bar.pwd-excellent {
    width: 100%;
    background-color: var(--kl-red-light);
}

.pwd-strength-label {
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: var(--kl-space-2);
    transition: color var(--kl-transition-base);
}

.pwd-strength-label.pwd-weak { color: var(--kl-accent-red); }
.pwd-strength-label.pwd-fair { color: var(--kl-accent-yellow); }
.pwd-strength-label.pwd-strong { color: var(--kl-accent-green); }
.pwd-strength-label.pwd-excellent { color: var(--kl-red-light); }

.pwd-checklist {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--kl-space-1) 0;
}

.pwd-checklist li {
    font-size: 0.75rem;
    color: var(--kl-text-muted);
    display: flex;
    align-items: center;
    gap: var(--kl-space-1);
    transition: color var(--kl-transition-fast);
}

.pwd-checklist li svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.pwd-checklist li.pwd-met {
    color: var(--kl-accent-green);
}

.pwd-checklist li .pwd-icon-unmet {
    display: inline;
}

.pwd-checklist li .pwd-icon-met {
    display: none;
}

.pwd-checklist li.pwd-met .pwd-icon-unmet {
    display: none;
}

.pwd-checklist li.pwd-met .pwd-icon-met {
    display: inline;
}


/* =============================================================================
   TOTP / TWO-FACTOR AUTHENTICATION
   Monospace code input, QR display, backup code grid.
   ============================================================================= */

.totp-input {
    font-family: var(--kl-font-mono);
    font-size: 1.75rem;
    font-weight: 500;
    text-align: center;
    letter-spacing: 0.5em;
    padding: var(--kl-space-3) var(--kl-space-4);
}

.totp-input::placeholder {
    letter-spacing: 0.3em;
    opacity: 0.3;
}

.totp-qr {
    display: flex;
    justify-content: center;
    padding: var(--kl-space-4);
    background-color: #ffffff;
    border-radius: var(--kl-border-radius);
    margin-bottom: var(--kl-space-4);
}

.totp-qr img {
    width: 200px;
    height: 200px;
}

.totp-secret {
    font-family: var(--kl-font-mono);
    font-size: 0.875rem;
    font-weight: 500;
    background-color: var(--kl-bg-tertiary);
    border: 1px solid var(--kl-border);
    border-radius: var(--kl-border-radius-sm);
    padding: var(--kl-space-3);
    text-align: center;
    word-break: break-all;
    letter-spacing: 0.15em;
    color: var(--kl-text-primary);
    margin-bottom: var(--kl-space-4);
}

.backup-codes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--kl-space-2);
    margin-bottom: var(--kl-space-4);
}

.backup-code {
    font-family: var(--kl-font-mono);
    font-size: 0.9375rem;
    font-weight: 500;
    background-color: var(--kl-bg-tertiary);
    border: 1px solid var(--kl-border);
    border-radius: var(--kl-border-radius-sm);
    padding: var(--kl-space-2) var(--kl-space-3);
    text-align: center;
    letter-spacing: 0.1em;
    color: var(--kl-text-primary);
}

.totp-info {
    font-size: 0.8125rem;
    color: var(--kl-text-secondary);
    line-height: 1.5;
}

.totp-info strong {
    color: var(--kl-text-primary);
}