@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Montserrat:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,700&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* ==========================================================================
   CULTUREDKODE DESIGN TOKENS & FITKODE BRAND SYSTEM
   Official Master Specification (Montserrat + Inter, Kode Blue #0047FF, Culture Violet #8B5BFC)
   ========================================================================== */

:root {
    /* Official CulturedKode Brand Master Colors */
    --ck-blue: #0047FF;
    --ck-violet: #8B5BFC;
    --ck-midnight: #081538;
    --ck-night: #050C24;
    --ck-sky: #4A83FF;
    --ck-mist: #EEF3FF;
    --ck-slate: #5F6066;
    --ck-line: #D9DEEB;
    --ck-gradient: linear-gradient(135deg, #8B5BFC 0%, #0047FF 100%);
    --ck-gradient-horizontal: linear-gradient(90deg, #8B5BFC 0%, #0047FF 100%);
    --ck-gradient-glow: linear-gradient(135deg, rgba(139, 91, 252, 0.45) 0%, rgba(0, 71, 255, 0.45) 100%);

    /* Fonts */
    --ck-font-display: 'Montserrat', system-ui, -apple-system, sans-serif;
    --ck-font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

    /* Theme Surfaces mapped to CulturedKode Palette */
    --bg-void: #050C24;          /* CK Night */
    --bg-main: #060F2B;
    --bg-surface: #081538;       /* CK Midnight */
    --bg-card: rgba(8, 21, 56, 0.82);
    --bg-card-hover: rgba(14, 32, 82, 0.92);
    --bg-card-active: rgba(20, 42, 104, 0.96);
    --bg-glass: rgba(8, 21, 56, 0.78);
    --bg-overlay: rgba(5, 12, 36, 0.9);

    /* Architectural Borders */
    --border-subtle: rgba(217, 222, 235, 0.1);
    --border-medium: rgba(217, 222, 235, 0.2);
    --border-bright: rgba(217, 222, 235, 0.35);
    --border-glow: rgba(0, 71, 255, 0.4);

    /* Text & Legibility Hierarchy */
    --text-primary: #FFFFFF;
    --text-secondary: #D9DEEB;
    --text-muted: #8E9AB6;
    --text-dim: #5F6066;

    /* Brand Accents */
    --primary: var(--ck-blue);
    --accent: var(--ck-violet);
    --cyan: #4A83FF;              /* CK Sky */
    --cyan-hover: #6B9CFF;
    --cyan-soft: rgba(74, 131, 255, 0.14);
    --cyan-glow: rgba(74, 131, 255, 0.35);

    --emerald: #10B981;
    --emerald-hover: #34D399;
    --emerald-soft: rgba(16, 185, 129, 0.14);
    --emerald-glow: rgba(16, 185, 129, 0.3);

    --amber: #F59E0B;
    --amber-hover: #FBBF24;
    --amber-soft: rgba(245, 158, 11, 0.14);
    --amber-glow: rgba(245, 158, 11, 0.3);

    --crimson: #EF4444;
    --crimson-hover: #F87171;
    --crimson-soft: rgba(239, 68, 68, 0.14);
    --crimson-glow: rgba(239, 68, 68, 0.3);

    --purple: #8B5BFC;           /* CK Violet */
    --purple-hover: #A37CFF;
    --purple-soft: rgba(139, 91, 252, 0.16);
    --purple-glow: rgba(139, 91, 252, 0.35);

    --blue: #0047FF;             /* CK Blue */
    --blue-hover: #2968FF;
    --blue-soft: rgba(0, 71, 255, 0.16);
    --blue-glow: rgba(0, 71, 255, 0.35);

    /* Typography Foundations */
    --font-sans: var(--ck-font-body);

    /* Radii Tokens */
    --radius-xs: 6px;
    --radius-sm: 12px;           /* CK radius-sm */
    --radius-md: 18px;           /* CK radius-md */
    --radius-lg: 24px;
    --radius-xl: 28px;           /* CK radius-lg */
    --radius-pill: 9999px;

    /* Shadows & Elevation */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.48);
    --shadow-lg: 0 16px 44px rgba(0, 0, 0, 0.65);
    --shadow-glow-cyan: 0 0 25px rgba(74, 131, 255, 0.28);
    --shadow-glow-emerald: 0 0 25px rgba(16, 185, 129, 0.25);
    --shadow-glow-violet: 0 0 28px rgba(139, 91, 252, 0.35);

    /* Transition Constants */
    --ease-out-quad: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-elastic: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ==========================================================================
   LIGHT MODE THEME
   ========================================================================== */

[data-theme="light"] {
    /* Light Surface Palette */
    --bg-void: #EEF3FF;          /* CK Mist */
    --bg-main: #F4F7FF;
    --bg-surface: #FFFFFF;
    --bg-card: rgba(255, 255, 255, 0.92);
    --bg-card-hover: rgba(238, 243, 255, 0.98);
    --bg-card-active: rgba(220, 230, 255, 0.98);
    --bg-glass: rgba(255, 255, 255, 0.85);
    --bg-overlay: rgba(238, 243, 255, 0.94);

    /* Light Borders */
    --border-subtle: #D9DEEB;    /* CK Line */
    --border-medium: rgba(95, 96, 102, 0.2);
    --border-bright: rgba(8, 21, 56, 0.28);
    --border-glow: rgba(0, 71, 255, 0.28);

    /* Light Text Hierarchy */
    --text-primary: #081538;     /* CK Midnight */
    --text-secondary: #3B4868;
    --text-muted: #5F6066;       /* CK Slate */
    --text-dim: #8E9AB6;

    /* Accents */
    --cyan: #0047FF;             /* CK Blue */
    --cyan-hover: #0036CC;
    --cyan-soft: rgba(0, 71, 255, 0.08);
    --cyan-glow: rgba(0, 71, 255, 0.2);

    --emerald: #059669;
    --emerald-hover: #047857;
    --emerald-soft: rgba(5, 150, 105, 0.08);
    --emerald-glow: rgba(5, 150, 105, 0.2);

    --amber: #D97706;
    --amber-hover: #B45309;
    --amber-soft: rgba(217, 119, 6, 0.08);
    --amber-glow: rgba(217, 119, 6, 0.2);

    --crimson: #DC2626;
    --crimson-hover: #B91C1C;
    --crimson-soft: rgba(220, 38, 38, 0.08);
    --crimson-glow: rgba(220, 38, 38, 0.2);

    --purple: #7C3AED;
    --purple-hover: #6D28D9;
    --purple-soft: rgba(124, 58, 237, 0.08);
    --purple-glow: rgba(124, 58, 237, 0.2);

    --blue: #0047FF;
    --blue-hover: #0036CC;
    --blue-soft: rgba(0, 71, 255, 0.08);
    --blue-glow: rgba(0, 71, 255, 0.2);

    /* Light Shadows */
    --shadow-sm: 0 1px 3px rgba(8, 21, 56, 0.06), 0 1px 2px rgba(8, 21, 56, 0.04);
    --shadow-md: 0 4px 12px rgba(8, 21, 56, 0.08), 0 2px 4px rgba(8, 21, 56, 0.04);
    --shadow-lg: 0 10px 25px rgba(8, 21, 56, 0.1), 0 4px 10px rgba(8, 21, 56, 0.05);
    --shadow-glow-cyan: 0 0 20px rgba(0, 71, 255, 0.15);
    --shadow-glow-emerald: 0 0 20px rgba(5, 150, 105, 0.15);
}

/* Base Reset & Box Sizing */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-void);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-image: 
        radial-gradient(ellipse 70% 45% at 50% -10%, rgba(139, 91, 252, 0.12), transparent 60%),
        radial-gradient(ellipse 60% 40% at 100% 100%, rgba(0, 71, 255, 0.1), transparent 65%),
        url('/assets/brand/patterns/pattern-braces-dark.svg');
    background-attachment: fixed, fixed, fixed;
    background-size: auto, auto, 240px 160px;
    transition: background-color 0.35s ease, color 0.35s ease;
}

[data-theme="light"] body {
    background-image:
        radial-gradient(ellipse 70% 45% at 50% -10%, rgba(139, 91, 252, 0.06), transparent 60%),
        radial-gradient(ellipse 60% 40% at 100% 100%, rgba(0, 71, 255, 0.05), transparent 65%),
        url('/assets/brand/patterns/pattern-braces-light.svg');
    background-attachment: fixed, fixed, fixed;
    background-size: auto, auto, 240px 160px;
}

h1, h2, h3, h4, h5, h6, .brand-text, .page-title, .portal-brand, .kpi-value {
    font-family: var(--ck-font-display);
}

/* Accessibility Focus Ring (WCAG 2.2 AA) */
:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 3px;
    border-radius: var(--radius-xs);
}

/* ==========================================================================
   LIGHT MODE — Component-Level Hardcoded Color Overrides
   ========================================================================== */

/* Headings */
[data-theme="light"] h1,
[data-theme="light"] h2,
[data-theme="light"] h3,
[data-theme="light"] h4,
[data-theme="light"] h5,
[data-theme="light"] h6 {
    color: #0F172A;
}

[data-theme="light"] .page-title {
    background: linear-gradient(135deg, #0F172A 20%, #334155 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Brand Text */
[data-theme="light"] .brand-text {
    background: linear-gradient(135deg, #0F172A 40%, #475569 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* App Header */
[data-theme="light"] .app-header {
    background: rgba(255, 255, 255, 0.88);
    border-bottom-color: rgba(0, 0, 0, 0.06);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Dev Switcher */
[data-theme="light"] .dev-switcher-bar {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(8, 145, 178, 0.15);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .dev-badge {
    background: linear-gradient(135deg, #0891B2, #2563EB);
    color: #FFFFFF;
}

[data-theme="light"] .switcher-select {
    background: #F1F5F9;
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: #0F172A;
}

[data-theme="light"] .active-user-pill {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.08);
}

/* Navigation Links */
[data-theme="light"] .nav-item-link {
    color: #475569;
}

[data-theme="light"] .nav-item-link:hover {
    color: #0F172A;
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .nav-item-link.active {
    color: #FFFFFF;
    background: var(--cyan);
    border-color: var(--cyan);
}

/* Mobile Bottom Nav */
[data-theme="light"] .mobile-bottom-nav {
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.06);
}

/* Nav Logo SVG Backgrounds */
[data-theme="light"] .brand-logo-mark svg rect:first-of-type {
    fill: #F1F5F9;
}

/* Brand Site Pill */
[data-theme="light"] .brand-site-pill {
    background: rgba(8, 145, 178, 0.06);
    border-color: rgba(8, 145, 178, 0.2);
}

/* KPI Cards */
[data-theme="light"] .kpi-card::before {
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.06), transparent);
}

[data-theme="light"] .kpi-value {
    color: #0F172A;
}

/* Verdict Cards */
[data-theme="light"] .verdict-card {
    background: var(--bg-card);
    border-color: var(--border-subtle);
}

[data-theme="light"] .verdict-card.stronger,
[data-theme="light"] .verdict-card.leaner,
[data-theme="light"] .verdict-card.faster {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.06) 0%, rgba(255, 255, 255, 0.9) 100%);
    border-color: rgba(5, 150, 105, 0.25);
}

[data-theme="light"] .verdict-card.weaker,
[data-theme="light"] .verdict-card.fatter,
[data-theme="light"] .verdict-card.slower {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.06) 0%, rgba(255, 255, 255, 0.9) 100%);
    border-color: rgba(220, 38, 38, 0.25);
}

[data-theme="light"] .verdict-card.steady {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.06) 0%, rgba(255, 255, 255, 0.9) 100%);
    border-color: rgba(37, 99, 235, 0.25);
}

[data-theme="light"] .verdict-text {
    color: #0F172A;
}

/* Gauge */
[data-theme="light"] .gauge-label {
    background: #FFFFFF;
    color: #0F172A;
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .gauge-pin {
    background: #0F172A;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.3);
}

/* Clinical Badges */
[data-theme="light"] .badge-amputation {
    background: var(--purple-soft);
    border-color: rgba(124, 58, 237, 0.3);
    color: #7C3AED;
}

[data-theme="light"] .badge-tear-partial {
    background: var(--amber-soft);
    border-color: rgba(217, 119, 6, 0.3);
    color: #D97706;
}

[data-theme="light"] .badge-tear-full {
    background: var(--crimson-soft);
    border-color: rgba(220, 38, 38, 0.3);
    color: #DC2626;
}

/* Data Tables */
[data-theme="light"] .data-table th {
    background: rgba(0, 0, 0, 0.02);
    border-bottom-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .data-table td {
    border-bottom-color: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .data-table tr:hover td {
    background: rgba(0, 0, 0, 0.02);
}

/* Modals */
[data-theme="light"] .modal-backdrop {
    background: rgba(248, 250, 252, 0.85);
}

[data-theme="light"] .modal-content {
    background: #FFFFFF;
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

/* Form Controls */
[data-theme="light"] .form-control {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.12);
    color: #0F172A;
}

[data-theme="light"] .form-control:focus {
    background: rgba(0, 0, 0, 0.01);
}

/* Buttons */
[data-theme="light"] .btn-primary {
    background: linear-gradient(135deg, #0891B2 0%, #0E7490 100%);
    color: #FFFFFF;
}

[data-theme="light"] .btn-secondary {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.12);
    color: #0F172A;
}

[data-theme="light"] .btn-secondary:hover {
    background: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.2);
    color: #0F172A;
}

/* Offline Sync Badge */
[data-theme="light"] .offline-sync-badge {
    background: rgba(5, 150, 105, 0.95);
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Progress Bar */
[data-theme="light"] .progress-bar-container {
    background: rgba(0, 0, 0, 0.06);
}

/* Chart Lines */
[data-theme="light"] .chart-line.cyan {
    filter: none;
}

[data-theme="light"] .chart-line.emerald {
    filter: none;
}

/* ---- Theme Toggle Button ---- */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
    transition: all 0.2s var(--ease-out-quad);
    color: var(--text-secondary);
    flex-shrink: 0;
    min-height: 44px;
    min-width: 44px;
    padding: 0;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-medium);
    color: var(--text-primary);
    transform: rotate(15deg);
}

[data-theme="light"] .theme-toggle {
    background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .theme-toggle:hover {
    background: rgba(0, 0, 0, 0.06);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s var(--ease-elastic);
}

.theme-toggle:active svg {
    transform: scale(0.85);
}

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

h1, h2, h3, h4, h5, h6 {
    color: #FFFFFF;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.page-title {
    font-size: clamp(1.4rem, 2.5vw + 0.5rem, 2.15rem);
    font-weight: 800;
    margin-bottom: 6px;
    background: linear-gradient(135deg, #FFFFFF 20%, #CBD5E1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: clamp(0.85rem, 1vw + 0.3rem, 0.98rem);
    line-height: 1.5;
    margin-bottom: 24px;
}

a {
    color: var(--cyan);
    text-decoration: none;
    transition: color 0.18s var(--ease-out-quad);
}

a:hover {
    color: var(--cyan-hover);
}

/* ==========================================================================
   GLASSMORPHISM & SURFACE PANELS
   ========================================================================== */

.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform 0.2s var(--ease-out-quad), 
                border-color 0.2s var(--ease-out-quad), 
                box-shadow 0.2s var(--ease-out-quad);
    position: relative;
}

.glass-panel:hover {
    border-color: rgba(255, 255, 255, 0.14);
}

.glass-panel-glow {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow-cyan);
}

/* ==========================================================================
   EVALUATOR / DEV ROLE & TENANT SWITCHER TOOLBAR
   ========================================================================== */

.dev-switcher-bar {
    background: rgba(8, 12, 22, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 240, 255, 0.2);
    padding: 8px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 9999;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    flex-wrap: wrap;
    gap: 10px;
}

.dev-badge {
    background: linear-gradient(135deg, #00F0FF, #3B82F6);
    color: #070B14;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    padding: 3px 8px;
    border-radius: var(--radius-xs);
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.switcher-controls {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.switcher-select-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.switcher-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.switcher-select {
    background: #0E1729;
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: #F8FAFC;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    outline: none;
    cursor: pointer;
    transition: all 0.2s;
    max-width: 240px;
}

.switcher-select:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 10px var(--cyan-glow);
}

.active-user-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-subtle);
}

.avatar-mini {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    object-fit: cover;
    border: 1.5px solid var(--cyan);
}

/* ==========================================================================
   APP HEADER & NAVIGATION
   ========================================================================== */

.app-header {
    background: rgba(11, 16, 29, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1000;
}

.brand-container {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-logo-mark {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.2s var(--ease-elastic);
}

.brand-logo-mark:hover {
    transform: scale(1.05);
}

.brand-text-block {
    display: flex;
    flex-direction: column;
}

.brand-text {
    font-size: 1.22rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #FFFFFF 40%, #94A3B8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.15;
}

.brand-tag {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--cyan);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    line-height: 1;
    margin-top: 2px;
}

.brand-site-pill {
    margin-left: 14px;
    padding: 4px 10px;
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.25);
    border-radius: var(--radius-pill);
    font-size: 0.72rem;
    color: var(--cyan);
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    white-space: nowrap;
}

.brand-site-pulse {
    width: 6px;
    height: 6px;
    background: var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--cyan);
    animation: livePulse 2s infinite ease-in-out;
}

@keyframes livePulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

/* Desktop & Tablet Navigation Links */
.nav-links {
    display: flex;
    gap: 6px;
    align-items: center;
}

.nav-item-link {
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.88rem;
    transition: all 0.18s var(--ease-out-quad);
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 40px;
    border: 1px solid transparent;
}

.nav-item-link:hover {
    color: #FFFFFF;
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.08);
}

.nav-item-link.active {
    color: #070B14;
    background: var(--cyan);
    font-weight: 700;
    box-shadow: 0 0 16px var(--cyan-glow);
    border-color: var(--cyan);
}

.nav-item-link.active svg,
.nav-item-link.active span {
    color: #070B14;
}

/* Mobile Bottom Navigation Bar (Target viewports < 768px) */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 15, 27, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-subtle);
    padding: 6px 12px calc(6px + env(safe-area-inset-bottom, 0px));
    z-index: 9998;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.6);
    justify-content: space-around;
    align-items: center;
}

.mobile-nav-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.68rem;
    font-weight: 600;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    min-width: 64px;
    min-height: 48px; /* Touch target >= 44x44px */
    transition: all 0.15s ease;
    text-decoration: none;
    gap: 3px;
    position: relative;
}

.mobile-nav-tab svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    transition: stroke 0.15s ease, transform 0.15s ease;
}

.mobile-nav-tab.active {
    color: var(--cyan);
    font-weight: 700;
}

.mobile-nav-tab.active svg {
    stroke: var(--cyan);
    filter: drop-shadow(0 0 6px var(--cyan));
    transform: translateY(-1px);
}

.mobile-nav-tab.active::after {
    content: '';
    position: absolute;
    top: 0;
    width: 24px;
    height: 2.5px;
    background: var(--cyan);
    border-radius: 2px;
    box-shadow: 0 0 8px var(--cyan);
}

/* ==========================================================================
   LAYOUT CONTAINERS & GRIDS
   ========================================================================== */

.main-content {
    max-width: 1440px;
    margin: 0 auto;
    padding: 28px 24px 60px;
}

/* KPI Counter Stat Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    padding: 20px 22px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.kpi-title {
    font-size: 0.76rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.kpi-value {
    font-size: clamp(1.8rem, 2.5vw, 2.35rem);
    font-weight: 800;
    color: #FFFFFF;
    font-family: var(--font-mono);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.kpi-subtext {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 10px;
}

/* ==========================================================================
   BUTTONS & ACTION CONTROLS
   ========================================================================== */

.btn-primary, .btn-secondary, .btn-success, .btn-danger {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.88rem;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.18s var(--ease-out-quad);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    line-height: 1.25;
    min-height: 44px; /* Touch Target Compliance */
}

.btn-primary {
    background: linear-gradient(135deg, #00F0FF 0%, #00B8D4 100%);
    color: #070B14;
    border: none;
    box-shadow: 0 4px 14px var(--cyan-glow);
}

.btn-primary:hover {
    transform: translateY(-1.5px);
    box-shadow: 0 6px 20px rgba(0, 240, 255, 0.45);
    color: #070B14;
}

.btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 2px 8px var(--cyan-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-medium);
    color: #FFFFFF;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.3);
    color: #FFFFFF;
    transform: translateY(-1.5px);
}

.btn-secondary:active {
    transform: translateY(1px);
}

.btn-success {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #FFFFFF;
    border: none;
    box-shadow: 0 4px 14px var(--emerald-glow);
}

.btn-success:hover {
    transform: translateY(-1.5px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
}

.btn-danger {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: #FFFFFF;
    border: none;
    box-shadow: 0 4px 14px var(--crimson-glow);
}

.btn-danger:hover {
    transform: translateY(-1.5px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.45);
}

.btn-sm {
    padding: 7px 14px;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
    min-height: 36px;
}

/* ==========================================================================
   QUESTION 1 VERDICT CARDS (Self-Trajectory 4-Week Moving Average)
   ========================================================================== */

.verdict-card {
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-md);
}

.verdict-card.stronger,
.verdict-card.leaner,
.verdict-card.faster {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(14, 22, 38, 0.8) 100%);
    border-color: rgba(16, 185, 129, 0.35);
}

.verdict-card.weaker,
.verdict-card.fatter,
.verdict-card.slower {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.12) 0%, rgba(14, 22, 38, 0.8) 100%);
    border-color: rgba(239, 68, 68, 0.35);
}

.verdict-card.steady {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, rgba(14, 22, 38, 0.8) 100%);
    border-color: rgba(59, 130, 246, 0.35);
}

.verdict-badge {
    font-size: 0.74rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 10px;
    border-radius: var(--radius-xs);
    display: inline-block;
    margin-bottom: 8px;
    line-height: 1;
}

.verdict-badge.green {
    background: var(--emerald);
    color: #070B14;
}

.verdict-badge.red {
    background: var(--crimson);
    color: #FFFFFF;
}

.verdict-badge.blue {
    background: var(--blue);
    color: #FFFFFF;
}

.verdict-badge.amber {
    background: var(--amber);
    color: #070B14;
}

.verdict-badge.purple {
    background: var(--purple);
    color: #FFFFFF;
}

.verdict-text {
    font-size: 1.12rem;
    font-weight: 700;
    color: #FFFFFF;
    line-height: 1.35;
}

/* Progress bar container */
.progress-bar-container {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-pill);
    overflow: hidden;
    margin-top: 12px;
}

.progress-bar-fill {
    height: 100%;
    border-radius: var(--radius-pill);
    transition: width 0.6s var(--ease-out-quad);
}

.progress-bar-fill.green {
    background: linear-gradient(90deg, #10B981, #00F0FF);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

.progress-bar-fill.red {
    background: linear-gradient(90deg, #EF4444, #F59E0B);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.4);
}

.progress-bar-fill.blue {
    background: linear-gradient(90deg, #3B82F6, #8B5CF6);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.4);
}

/* ==========================================================================
   QUESTION 2 AGE-PEER NORMATIVE GAUGES
   ========================================================================== */

.peer-gauge {
    position: relative;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    margin-top: 16px;
}

.gauge-track {
    position: relative;
    height: 14px;
    background: linear-gradient(90deg, #10B981 0%, #3B82F6 35%, #F59E0B 70%, #EF4444 100%);
    border-radius: var(--radius-pill);
    margin: 26px 0 18px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
}

.gauge-marker {
    position: absolute;
    top: -10px;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 2;
}

.gauge-pin {
    width: 4px;
    height: 34px;
    background: #FFFFFF;
    border-radius: 2px;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.9);
}

.gauge-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: #FFFFFF;
    background: #070B14;
    padding: 2px 7px;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border-medium);
    white-space: nowrap;
    margin-bottom: 4px;
    box-shadow: var(--shadow-sm);
}

.gauge-target-pin {
    width: 3px;
    height: 30px;
    background: var(--cyan);
    box-shadow: 0 0 12px var(--cyan);
}

.gauge-target-label {
    color: var(--cyan);
    border-color: var(--cyan);
}

/* ==========================================================================
   CLINICAL STATUS PILL BADGES
   ========================================================================== */

.badge-amputation {
    background: var(--purple-soft);
    border: 1px solid rgba(139, 92, 246, 0.6);
    color: #D8B4FE;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.76rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.badge-tear-partial {
    background: var(--amber-soft);
    border: 1px solid rgba(245, 158, 11, 0.6);
    color: #FDE68A;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.76rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.badge-tear-full {
    background: var(--crimson-soft);
    border: 1px solid rgba(239, 68, 68, 0.6);
    color: #FECACA;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.76rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

/* ==========================================================================
   DATA TABLES (Responsive with Scroll Wrapper)
   ========================================================================== */

.data-table-container {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-md);
    margin: 12px 0;
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.88rem;
    min-width: 600px;
}

.data-table th {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-subtle);
    white-space: nowrap;
}

.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table tr:hover td {
    background: rgba(255, 255, 255, 0.03);
}

/* ==========================================================================
   MODALS & DIALOGS
   ========================================================================== */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(3, 7, 16, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
    animation: fadeIn 0.15s ease-out;
}

.modal-content {
    background: #0E1626;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 620px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 30px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.85);
    animation: modalSlideUp 0.2s var(--ease-out-quad);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalSlideUp {
    from { transform: translateY(16px) scale(0.98); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

/* ==========================================================================
   FORM CONTROLS & INPUTS
   ========================================================================== */

.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 7px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-control {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    color: #FFFFFF;
    font-family: var(--font-sans);
    font-size: 0.92rem;
    outline: none;
    transition: all 0.18s ease;
    min-height: 44px; /* Touch friendly */
}

.form-control:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 12px var(--cyan-glow);
    background: rgba(255, 255, 255, 0.08);
}

select.form-control {
    cursor: pointer;
}

/* ==========================================================================
   INTERACTIVE SVG CHARTS
   ========================================================================== */

.chart-container {
    width: 100%;
    height: 240px;
    position: relative;
    margin: 16px 0;
}

svg.interactive-chart {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.chart-line {
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.chart-line.cyan {
    stroke: var(--cyan);
    filter: drop-shadow(0 0 8px var(--cyan-glow));
}

.chart-line.emerald {
    stroke: var(--emerald);
    filter: drop-shadow(0 0 8px var(--emerald-glow));
}

.chart-dot {
    cursor: pointer;
    transition: r 0.2s;
}

.chart-dot:hover {
    r: 6;
}

/* Offline sync badge */
.offline-sync-badge {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: rgba(16, 185, 129, 0.92);
    backdrop-filter: blur(12px);
    color: #FFFFFF;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
    z-index: 9000;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */

/* Tablet & Compact Screens (max-width: 1023px) */
@media (max-width: 1023px) {
    .main-content {
        padding: 20px 18px 50px;
    }

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Devices (max-width: 767px) - 360px to 430px Viewports */
@media (max-width: 767px) {
    /* Dev Switcher Compact Mode */
    .dev-switcher-bar {
        padding: 8px 14px;
    }

    .dev-switcher-bar .switcher-controls {
        width: 100%;
        justify-content: space-between;
    }

    .switcher-select {
        max-width: 140px;
        font-size: 0.75rem;
        padding: 5px 8px;
    }

    .active-user-pill {
        display: none; /* Saved for space on mobile */
    }

    /* App Header on Mobile */
    .app-header {
        padding: 10px 16px;
    }

    .brand-site-pill {
        display: none; /* Hide to prevent wrapping */
    }

    /* Hide desktop navigation bar; show mobile bottom nav */
    .app-header .nav-links {
        display: none;
    }

    .mobile-bottom-nav {
        display: flex;
    }

    /* Main Content Container Padding to clear bottom nav */
    .main-content {
        padding: 16px 14px calc(76px + env(safe-area-inset-bottom, 0px));
    }

    /* KPI Grid on Mobile */
    .kpi-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* Verdict Card Stacking */
    .verdict-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 16px;
        gap: 14px;
    }

    /* Button Wrap on Mobile */
    .btn-primary, .btn-secondary, .btn-success, .btn-danger {
        width: 100%;
    }

    /* Modals become Bottom Sheet on narrow screens */
    .modal-backdrop {
        padding: 0;
        align-items: flex-end;
    }

    .modal-content {
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
        max-height: 85vh;
        padding: 24px 18px;
    }

    /* Reposition offline sync badge above bottom nav */
    .offline-sync-badge {
        bottom: 74px;
        right: 14px;
        font-size: 0.75rem;
        padding: 6px 12px;
    }
}

/* Accessibility: Respect Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}