/* === DESIGN SYSTEM === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* === Premium Swiss Design System === */
/* Blue Lagoon Color Palette:
   Fresh Sky:      #00a6fb - Vivid cyan, optimism
   Steel Blue:     #0582ca - Professional, trusted
   Baltic Blue:    #006494 - Tranquil, focused
   Deep Space:     #003554 - Ambitious, mysterious
   Ink Black:      #051923 - Drama, imagination
*/
:root {
    /* Light theme - Swiss spa inspired with Blue Lagoon accents */
    --bg-primary: #EDF3F9;            /* Blue Lagoon-tinted canvas — page background */
    --bg-secondary: #FFFFFF;          /* Pure white — cards, header, footer */
    --bg-tertiary: #F3F8FB;           /* Slightly tinted — nested surfaces inside cards */
    --bg-hover: rgba(5, 130, 202, 0.05);
    --bg-active: rgba(5, 130, 202, 0.09);
    --background-rgb: 237, 243, 249; /* Match bg-primary for rgba() usage */
    
    --text-primary: #051923;
    --text-secondary: #4A5568;
    --text-muted: #8896A6;
    --text-tertiary: #94A3B8;
    --text-inverse: #FFFFFF;
    
    --border-primary: rgba(0, 100, 148, 0.14);
    --border-secondary: rgba(0, 100, 148, 0.07);
    --border-focus: rgba(5, 130, 202, 0.35);
    
    --accent-primary: #0582ca;
    --accent-hover: #006494;
    --accent-pressed: #003554;
    --accent-bg: rgba(5, 130, 202, 0.06);
    --accent-border: rgba(5, 130, 202, 0.15);
    
    /* Status colors - muted and sophisticated */
    --success: #3B8250;
    --success-bg: rgba(59, 130, 80, 0.08);
    --success-border: rgba(59, 130, 80, 0.16);
    
    --warning: #A67A3D;
    --warning-bg: rgba(166, 122, 61, 0.08);
    --warning-border: rgba(166, 122, 61, 0.16);
    
    --danger: #B54644;
    --danger-bg: rgba(181, 70, 68, 0.08);
    --danger-border: rgba(181, 70, 68, 0.16);
    
    --info: #0582ca;
    --info-bg: rgba(5, 130, 202, 0.08);
    --info-border: rgba(5, 130, 202, 0.16);
    
    /* Extended Accent Palette - Subtle variety */
    --teal: #0D9488;
    --teal-bg: rgba(13, 148, 136, 0.06);
    --teal-border: rgba(13, 148, 136, 0.12);
    --teal-text: #0F766E;
    
    --violet: #7C3AED;
    --violet-bg: rgba(124, 58, 237, 0.05);
    --violet-border: rgba(124, 58, 237, 0.12);
    --violet-text: #6D28D9;
    
    --amber: #D97706;
    --amber-bg: rgba(217, 119, 6, 0.06);
    --amber-border: rgba(217, 119, 6, 0.12);
    --amber-text: #B45309;
    
    /* Subtle gradient backgrounds */
    --gradient-subtle: linear-gradient(135deg, rgba(5, 130, 202, 0.04) 0%, rgba(13, 148, 136, 0.03) 100%);
    --gradient-card: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    --gradient-shine: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0) 50%);
    
    /* Shadows - subtle depth */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.06), 0 4px 8px rgba(0, 0, 0, 0.03);
    --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.08), 0 8px 16px rgba(0, 0, 0, 0.04);
    
    /* Transitions - smooth and refined */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Spacing - harmonious scale */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    --space-2xl: 32px;
    --space-3xl: 48px;
    --space-4xl: 64px;
    --space-5xl: 96px;
    
    /* Border radius - subtle curves */
    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-full: 9999px;
    
    /* Glass effect variables - Premium Swiss aesthetic */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 4px 24px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --glass-blur: 12px;
    --glass-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.5);
    
    /* 2026 Frosted Touch - Translucent layers with soft depth */
    --frost-bg: rgba(255, 255, 255, 0.65);
    --frost-border: rgba(255, 255, 255, 0.35);
    --frost-blur: 16px;
    --frost-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
    
    /* 2026 Light Skeuomorphism - Subtle embossed/pressed effects */
    --neumorphic-shadow: 4px 4px 10px rgba(0, 0, 0, 0.05), -4px -4px 10px rgba(255, 255, 255, 0.9);
    --neumorphic-inset: inset 2px 2px 5px rgba(0, 0, 0, 0.03), inset -2px -2px 5px rgba(255, 255, 255, 0.8);
    --neumorphic-pressed: inset 3px 3px 8px rgba(0, 0, 0, 0.06), inset -3px -3px 8px rgba(255, 255, 255, 0.7);
    
    /* 2026 Resonant Stark - Purposeful motion and meaning */
    --motion-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --motion-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --motion-spring: cubic-bezier(0.22, 1, 0.36, 1);
    
    /* Premium Chart Design System - Swiss Spa Aesthetic */
    /* Chart color palette - harmonious with Blue Lagoon theme */
    --chart-primary: #0582ca;
    --chart-secondary: #0D9488;
    --chart-tertiary: #7C3AED;
    --chart-quaternary: #D97706;
    --chart-quinary: #006494;
    --chart-senary: #059669;
    
    /* Chart backgrounds and surfaces */
    --chart-bg: transparent;
    --chart-tooltip-bg: rgba(255, 255, 255, 0.96);
    --chart-tooltip-border: rgba(0, 100, 148, 0.12);
    --chart-tooltip-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
    
    /* Chart grid and axes */
    --chart-grid: rgba(0, 0, 0, 0.04);
    --chart-axis: rgba(0, 0, 0, 0.12);
    --chart-axis-label: rgba(55, 65, 81, 0.75);
    --chart-split-line: rgba(0, 0, 0, 0.03);
    
    /* Chart text */
    --chart-title: #051923;
    --chart-label: rgba(55, 65, 81, 0.85);
    --chart-legend: rgba(55, 65, 81, 0.8);
    
    /* Chart emphasis/hover */
    --chart-emphasis-shadow: 0 4px 16px rgba(5, 130, 202, 0.25);
}

/* Dark theme - Blue Lagoon night mode (deep navy with blue accents) */
[data-theme="dark"] {
    --bg-primary: #0D1117;            /* Deep dark navy — page canvas */
    --bg-secondary: #161B22;          /* Dark card surfaces */
    --bg-tertiary: #1C2330;           /* Nested surfaces inside cards */
    --bg-hover: rgba(255, 255, 255, 0.05);
    --bg-active: rgba(255, 255, 255, 0.09);
    --background-rgb: 13, 17, 23; /* Match bg-primary */
    
    --text-primary: #F4F4F5;
    --text-secondary: #A1A1AA;
    --text-muted: #71717A;
    --text-tertiary: #64748B;
    --text-inverse: #0D1117;
    
    --border-primary: rgba(255, 255, 255, 0.12);
    --border-secondary: rgba(255, 255, 255, 0.06);
    --border-focus: rgba(0, 166, 251, 0.55);
    
    --accent-primary: #00a6fb;
    --accent-hover: #33b8fc;
    --accent-pressed: #0582ca;
    --accent-bg: rgba(0, 166, 251, 0.10);
    --accent-border: rgba(0, 166, 251, 0.20);
    
    /* Status colors - vibrant for dark mode */
    --success: #4ADE80;
    --success-bg: rgba(74, 222, 128, 0.12);
    --success-border: rgba(74, 222, 128, 0.24);
    
    --warning: #FBBF24;
    --warning-bg: rgba(251, 191, 36, 0.12);
    --warning-border: rgba(251, 191, 36, 0.24);
    
    --danger: #F87171;
    --danger-bg: rgba(248, 113, 113, 0.12);
    --danger-border: rgba(248, 113, 113, 0.24);
    
    --info: #00a6fb;
    --info-bg: rgba(0, 166, 251, 0.10);
    --info-border: rgba(0, 166, 251, 0.20);
    
    /* Extended Accent Palette - Subtle variety (Dark mode) */
    --teal: #2DD4BF;
    --teal-bg: rgba(45, 212, 191, 0.10);
    --teal-border: rgba(45, 212, 191, 0.20);
    --teal-text: #5EEAD4;
    
    --violet: #A78BFA;
    --violet-bg: rgba(167, 139, 250, 0.10);
    --violet-border: rgba(167, 139, 250, 0.20);
    --violet-text: #C4B5FD;
    
    --amber: #FBBF24;
    --amber-bg: rgba(251, 191, 36, 0.10);
    --amber-border: rgba(251, 191, 36, 0.20);
    --amber-text: #FCD34D;
    
    /* Subtle gradient backgrounds (Dark mode) */
    --gradient-subtle: linear-gradient(135deg, rgba(0, 166, 251, 0.05) 0%, rgba(45, 212, 191, 0.04) 100%);
    --gradient-card: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    --gradient-shine: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 50%);
    
    /* Shadows - subtle in dark mode */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.6);
    
    /* Glass effect variables - Dark mode */
    --glass-bg: rgba(22, 27, 34, 0.82);
    --glass-border: rgba(255, 255, 255, 0.09);
    --glass-shadow: 0 4px 24px rgba(0, 0, 0, 0.35), 0 1px 2px rgba(0, 0, 0, 0.25);
    --glass-blur: 12px;
    --glass-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.06);
    
    /* 2026 Frosted Touch - Dark mode */
    --frost-bg: rgba(22, 27, 34, 0.78);
    --frost-border: rgba(255, 255, 255, 0.11);
    --frost-blur: 16px;
    --frost-shadow: 0 8px 32px rgba(0, 0, 0, 0.45), 0 2px 8px rgba(0, 0, 0, 0.32);
    
    /* 2026 Light Skeuomorphism - Dark mode */
    --neumorphic-shadow: 4px 4px 10px rgba(0, 0, 0, 0.4), -4px -4px 10px rgba(255, 255, 255, 0.03);
    --neumorphic-inset: inset 2px 2px 5px rgba(0, 0, 0, 0.3), inset -2px -2px 5px rgba(255, 255, 255, 0.02);
    --neumorphic-pressed: inset 3px 3px 8px rgba(0, 0, 0, 0.35), inset -3px -3px 8px rgba(255, 255, 255, 0.02);
    
    /* 2026 Resonant Stark - Purposeful motion */
    --motion-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --motion-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --motion-spring: cubic-bezier(0.22, 1, 0.36, 1);
    
    /* Premium Chart Design System - Dark Mode */
    /* Chart color palette - vibrant for dark backgrounds */
    --chart-primary: #00a6fb;
    --chart-secondary: #2DD4BF;
    --chart-tertiary: #A78BFA;
    --chart-quaternary: #FBBF24;
    --chart-quinary: #06B6D4;
    --chart-senary: #34D399;
    
    /* Chart backgrounds and surfaces */
    --chart-bg: transparent;
    --chart-tooltip-bg: rgba(22, 27, 34, 0.97);
    --chart-tooltip-border: rgba(255, 255, 255, 0.09);
    --chart-tooltip-shadow: 0 8px 32px rgba(0, 0, 0, 0.45), 0 2px 8px rgba(0, 0, 0, 0.3);
    
    /* Chart grid and axes */
    --chart-grid: rgba(255, 255, 255, 0.04);
    --chart-axis: rgba(255, 255, 255, 0.12);
    --chart-axis-label: rgba(161, 161, 170, 0.85);
    --chart-split-line: rgba(255, 255, 255, 0.03);
    
    /* Chart text */
    --chart-title: #F4F4F5;
    --chart-label: rgba(244, 244, 245, 0.85);
    --chart-legend: rgba(244, 244, 245, 0.8);
    
    /* Chart emphasis/hover */
    --chart-emphasis-shadow: 0 4px 16px rgba(0, 166, 251, 0.35);
}


/* Premium Typography System */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text-primary);
    background: var(--bg-primary);
    font-size: 14px;
    line-height: 1.6;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-slow), color var(--transition-normal);
}

/* Typography Scale */
.text-xs { font-size: 11px; line-height: 1.5; letter-spacing: 0.01em; }
.text-sm { font-size: 12px; line-height: 1.5; letter-spacing: 0; }
.text-base { font-size: 14px; line-height: 1.6; letter-spacing: -0.011em; }
.text-lg { font-size: 16px; line-height: 1.5; letter-spacing: -0.014em; }
.text-xl { font-size: 18px; line-height: 1.5; letter-spacing: -0.017em; }
.text-2xl { font-size: 24px; line-height: 1.4; letter-spacing: -0.019em; }
.text-3xl { font-size: 32px; line-height: 1.3; letter-spacing: -0.021em; }
.text-4xl { font-size: 40px; line-height: 1.2; letter-spacing: -0.022em; }

/* Font Weights */
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* Text Colors */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-info { color: var(--info); }
.text-teal { color: var(--teal); }
.text-violet { color: var(--violet); }
.text-amber { color: var(--amber); }
.text-accent { color: var(--accent-primary); }

/* Background Color Utilities */
.bg-primary { background: var(--bg-primary); }
.bg-secondary { background: var(--bg-secondary); }
.bg-tertiary { background: var(--bg-tertiary); }
.bg-accent { background: var(--accent-bg); }
.bg-teal { background: var(--teal-bg); }
.bg-violet { background: var(--violet-bg); }
.bg-amber { background: var(--amber-bg); }
.bg-success { background: var(--success-bg); }
.bg-gradient { background: var(--gradient-subtle); }
.text-danger { color: var(--danger); }
.text-info { color: var(--info); }

/* 2026 Frosted Touch Utility */
.frosted {
    background: var(--frost-bg);
    backdrop-filter: blur(var(--frost-blur));
    -webkit-backdrop-filter: blur(var(--frost-blur));
    border: 1px solid var(--frost-border);
    box-shadow: var(--frost-shadow);
}

/* 2026 Light Skeuomorphism Utilities */
.neumorphic {
    background: var(--bg-secondary);
    box-shadow: var(--neumorphic-shadow);
    border: none;
}

.neumorphic-inset {
    background: var(--bg-tertiary);
    box-shadow: var(--neumorphic-inset);
    border: none;
}

.neumorphic-pressed {
    background: var(--bg-tertiary);
    box-shadow: var(--neumorphic-pressed);
    border: none;
}

/* 2026 Snug Simple - Soft rounded elements */
.snug {
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    transition: all 0.3s var(--motion-spring);
}

.snug:hover {
    border-color: var(--border-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 2026 Resonant Stark - Meaningful micro-interactions */
.micro-lift {
    transition: transform 0.25s var(--motion-spring), box-shadow 0.25s var(--motion-smooth);
}

.micro-lift:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.micro-glow {
    transition: box-shadow 0.3s var(--motion-smooth);
}

.micro-glow:hover {
    box-shadow: 0 0 20px var(--accent-bg), var(--shadow-md);
}

.micro-pulse {
    transition: transform 0.2s var(--motion-bounce);
}

.micro-pulse:hover {
    transform: scale(1.02);
}

.micro-pulse:active {
    transform: scale(0.98);
}

/* Layout System */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.app-layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.content-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Component: Header - Premium Sticky Navigation */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    position: sticky;
    top: 0;
    z-index: 10001;
    transition: background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal), opacity var(--transition-normal);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

/* Subtle gradient accent line */
.header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--accent-primary) 20%, 
        var(--teal, var(--accent-primary)) 50%, 
        var(--accent-primary) 80%, 
        transparent 100%);
    opacity: 0.3;
}

[data-theme="dark"] .header {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .header::after {
    opacity: 0.4;
}

/* Shared sticky-header collapse — applied via JS to document.querySelector('.header') */
.header--hidden {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    padding: 0 24px;
}

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

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.logo-image {
    height: 36px;
    width: auto;
}

/* Light mode: show light logo, hide dark logo */
.logo-light {
    display: block;
}

.logo-dark {
    display: none;
}

/* Dark mode: show dark logo, hide light logo */
[data-theme="dark"] .logo-light {
    display: none;
}

[data-theme="dark"] .logo-dark {
    display: block;
}

.logo:hover {
    opacity: 0.82;
    transform: scale(1.015);
}

/* Component: Navigation - Premium Swiss Design */
.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 4px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: color 0.2s cubic-bezier(0.2, 0, 0, 1), 
                background-color 0.2s cubic-bezier(0.2, 0, 0, 1),
                border-color 0.2s cubic-bezier(0.2, 0, 0, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
    letter-spacing: -0.01em;
}

/* Modern hover - no layout shift, GPU-accelerated */
.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

/* Passing underline effect - enters from left */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 24px;
    height: 2px;
    background: var(--accent-primary);
    border-radius: var(--radius-full);
    transform-origin: center;
    transition: transform 0.25s cubic-bezier(0.2, 0, 0, 1);
}

.nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

[data-theme="dark"] .nav-link:hover {
    background: rgba(255, 255, 255, 0.04);
}

.nav-link:hover > i:first-child {
    color: var(--accent-primary);
}

.nav-link > i:first-child {
    font-size: 18px;
    transition: color 0.2s cubic-bezier(0.2, 0, 0, 1);
    position: relative;
    z-index: 1;
}

.nav-text {
    display: flex;
    align-items: center;
    gap: 3px;
    white-space: nowrap;
    position: relative;
    z-index: 1;
}

.nav-link .dropdown-arrow {
    font-size: 10px;
    transition: transform var(--transition-normal);
}

/* Active state - accent underline indicator */
.nav-link.active {
    color: var(--accent-primary);
    font-weight: 600;
    background: var(--accent-bg);
}

.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
    height: 2.5px;
    opacity: 1;
}

.nav-link.active > i:first-child {
    color: var(--accent-primary);
}

.nav-link:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
    border-radius: var(--radius-md);
}

/* Component: Navigation Dropdowns */
.nav-dropdown {
    position: relative;
}

.nav-dropdown .dropdown-arrow {
    margin-left: 4px;
    transition: transform var(--transition-normal);
}

.nav-dropdown.active .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-sm));
    left: 50%;
    transform: translateX(-50%) translateY(calc(-1 * var(--space-sm)));
    background: var(--bg-secondary);
    background-image: var(--gradient-subtle);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 220px;
    padding: var(--space-sm);
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
    z-index: 1000;
    overflow: hidden;
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: var(--space-sm);
    right: var(--space-sm);
    height: 2px;
    background: linear-gradient(90deg, var(--teal) 0%, var(--accent-primary) 50%, var(--violet) 100%);
    border-radius: 0 0 2px 2px;
}

[data-theme="dark"] .dropdown-menu {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 4px 16px rgba(0, 0, 0, 0.3);
}

.nav-dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--accent-bg);
    color: var(--accent-primary);
    box-shadow: inset 3px 0 0 var(--accent-primary);
}

.dropdown-item.disabled {
    color: var(--text-muted);
    cursor: not-allowed;
    font-style: italic;
}

.dropdown-item.disabled:hover {
    background: transparent;
    color: var(--text-muted);
    box-shadow: none;
}

.dropdown-item:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: -2px;
    background: var(--accent-bg);
    color: var(--accent-primary);
}

/* Component: Header User Controls */
.user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Subscription tier badge */
.subscription-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-md);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: var(--radius-full);
    white-space: nowrap;
    transition: all var(--transition-slow);
}

.subscription-badge.tier-free {
    background: var(--bg-secondary);
    color: var(--text-muted);
    border: 1px solid var(--border-secondary);
}

.subscription-badge.tier-free:hover {
    border-color: var(--border-primary);
    color: var(--text-secondary);
}

.subscription-badge.tier-basic {
    background: var(--accent-bg);
    color: var(--accent-primary);
    border: 1px solid var(--accent-border);
}

.subscription-badge.tier-basic:hover {
    box-shadow: var(--shadow-sm);
}

.subscription-badge.tier-premium {
    background: linear-gradient(135deg, rgba(180, 145, 90, 0.08) 0%, rgba(160, 125, 70, 0.06) 100%);
    color: #9a7b4f;
    border: 1px solid rgba(180, 145, 90, 0.18);
}

[data-theme="dark"] .subscription-badge.tier-premium {
    background: linear-gradient(135deg, rgba(200, 165, 100, 0.12) 0%, rgba(180, 145, 80, 0.08) 100%);
    color: #c9a86c;
    border-color: rgba(200, 165, 100, 0.25);
}

.subscription-badge.tier-premium:hover {
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.subscription-badge.tier-enterprise {
    background: linear-gradient(135deg, rgba(45, 45, 48, 0.08) 0%, rgba(35, 35, 38, 0.06) 100%);
    color: var(--text-primary);
    border: 1px solid rgba(45, 45, 48, 0.15);
}

[data-theme="dark"] .subscription-badge.tier-enterprise {
    background: linear-gradient(135deg, rgba(200, 200, 205, 0.1) 0%, rgba(180, 180, 185, 0.06) 100%);
    color: #e8e8ea;
    border-color: rgba(200, 200, 205, 0.2);
}

.subscription-badge.tier-enterprise:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* Component: Mobile Navigation - Hamburger + Drawer */

/* Visibility utilities */
.mobile-hidden {
    display: none;
}
.desktop-hidden {
    display: flex;
}

@media (min-width: 769px) {
    .mobile-hidden {
        display: flex;
    }
    .desktop-hidden {
        display: none !important;
    }
}

/* Touch-target wrapper for small icon buttons in the header */
.header-touch-target {
    min-width: 44px;
    min-height: 44px;
}

/* Hamburger button */
.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
    flex-shrink: 0;
}

.mobile-menu-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-primary);
}

.mobile-menu-btn:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

.hamburger-line {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: transform var(--transition-normal), opacity var(--transition-fast), width var(--transition-normal);
    transform-origin: center;
}

.mobile-menu-btn.is-open .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.mobile-menu-btn.is-open .hamburger-line:nth-child(2) {
    opacity: 0;
    width: 0;
}
.mobile-menu-btn.is-open .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Overlay — always in DOM; use pointer-events to avoid display:none transition bug */
.mobile-nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.mobile-nav-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
}

/* Drawer */
.mobile-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 90vw);
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-primary);
    z-index: 10001;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

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

/* Drawer header */
.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-primary);
    gap: var(--space-md);
    min-height: 60px;
    flex-shrink: 0;
}

.mobile-nav-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    flex: 1;
}

.mobile-nav-user-row {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.mobile-nav-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.mobile-nav-close:hover {
    background: var(--bg-hover);
    border-color: var(--border-primary);
    color: var(--text-primary);
}

.mobile-nav-close:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

.mobile-nav-close i {
    font-size: 20px;
}

/* Drawer menu items */
.mobile-nav-menu {
    list-style: none;
    padding: var(--space-sm);
    flex: 1;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 0 var(--space-md);
    height: 48px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-nav-link i {
    font-size: 20px;
    flex-shrink: 0;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.mobile-nav-link:hover i {
    color: var(--accent-primary);
}

.mobile-nav-link.active {
    background: var(--accent-bg);
    color: var(--accent-primary);
    font-weight: 600;
}

.mobile-nav-link.active i {
    color: var(--accent-primary);
}

.mobile-nav-link:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: -2px;
    background: var(--bg-hover);
}

/* Sub-items (child nav links under a group) */
.mobile-nav-link--child {
    height: 44px;
    padding-left: calc(var(--space-md) + 32px);
    font-size: 14px;
}

/* Group labels */
.mobile-nav-group {
    margin-top: var(--space-xs);
}

.mobile-nav-group-label {
    display: block;
    padding: var(--space-sm) var(--space-md);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* Only show mobile nav on mobile */
@media (min-width: 769px) {
    .mobile-nav,
    .mobile-nav-overlay,
    .mobile-menu-btn {
        display: none !important;
    }
}

/* === UNIFIED BUTTON SYSTEM ===
 * 
 * All buttons across the application should use this standardized system:
 * 
 * Base Classes:
 * - .btn - Base button class (always required)
 * 
 * Button Types:
 * - .btn-primary - Main action buttons (login, submit, etc.)
 * - .btn-secondary - Secondary actions (cancel, view, etc.) 
 * - .btn-ghost - Minimal buttons (links, non-critical actions)
 * - .btn-success - Positive actions (save, confirm)
 * - .btn-warning - Caution actions (proceed with care)
 * - .btn-danger - Destructive actions (delete, remove)
 * 
 * Button Sizes:
 * - .btn-xs - Extra small (11px font, 4px padding)
 * - .btn-sm - Small (12px font, 6px padding) 
 * - .btn (default) - Normal (13px font, 8px padding)
 * - .btn-lg - Large (16px font, 12px padding)
 * - .btn-xl - Extra large (18px font, 16px padding)
 * 
 * Button Utilities:
 * - .full-width - 100% width
 * - .rounded-full - Fully rounded corners
 * - .square - Equal width/height (for icon-only buttons)
 * - .loading - Shows loading spinner
 * 
 * Button Icons:
 * - .icon-download, .icon-save, .icon-clear, .icon-filter
 * - .icon-apply, .icon-dashboard, .icon-logout, .icon-login
 * - .icon-user-plus (for signup/registration)
 * - .icon-chart (for market breadth/analysis)
 * 
 * Usage Examples:
 * <button class="btn btn-primary btn-lg">Primary Action</button>
 * <a href="#" class="btn btn-secondary">Secondary Link</a>
 * <button class="btn btn-ghost btn-sm square"><span class="icon-clear"></span></button>
 * 
 * Button Groups:
 * <div class="btn-group">
 *   <button class="btn btn-secondary">Option 1</button>
 *   <button class="btn btn-secondary">Option 2</button>
 * </div>
 */

/* === Premium Button System === */

/* Base Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
    gap: var(--space-sm);
    box-sizing: border-box;
    user-select: none;
    position: relative;
    letter-spacing: -0.01em;
}

/* Icon spacing in buttons */
.btn i {
    font-size: 16px;
    line-height: 1;
}

/* Button Variants */
.btn-primary {
    background: var(--accent-primary);
    color: var(--text-inverse);
    border-color: var(--accent-primary);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: 0 4px 12px rgba(5, 130, 202, 0.25), var(--shadow-sm);
    transform: translateY(-1px);
}

[data-theme="dark"] .btn-primary:hover {
    box-shadow: 0 4px 12px rgba(0, 166, 251, 0.30), var(--shadow-sm);
}

.btn-primary:active {
    background: var(--accent-pressed);
    border-color: var(--accent-pressed);
    box-shadow: none;
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-primary);
    box-shadow: var(--shadow-xs);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

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

/* Accent Button Variants - Subtle color variety */
.btn-teal {
    background: var(--teal-bg);
    color: var(--teal);
    border-color: var(--teal-border);
}

.btn-teal:hover {
    background: var(--teal);
    color: white;
    border-color: var(--teal);
}

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

.btn-violet:hover {
    background: var(--violet);
    color: white;
    border-color: var(--violet);
}

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

.btn-amber:hover {
    background: var(--amber);
    color: white;
    border-color: var(--amber);
}

/* Status Buttons */
.btn-success {
    background: var(--success-bg);
    color: var(--success);
    border-color: var(--success-border);
}

.btn-success:hover {
    background: var(--success);
    color: white;
    border-color: var(--success);
}

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

.btn-danger:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

/* Button Sizes */
.btn-xs {
    padding: var(--space-xs) var(--space-sm);
    font-size: 11px;
}

.btn-sm {
    padding: 6px var(--space-md);
    font-size: 12px;
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 15px;
}

.btn-full {
    width: 100%;
}

/* Button States */
.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

/* Icon-only buttons */
.btn.icon-only {
    padding: var(--space-sm);
    aspect-ratio: 1;
}

.btn.icon-only.btn-sm {
    padding: 6px;
}

.btn.icon-only.btn-xs {
    padding: var(--space-xs);
}

/* Button Utilities */
.btn.full-width {
    width: 100%;
}

.btn.rounded-full {
    border-radius: var(--radius-full);
}

/* Button Groups */
.btn-group {
    display: inline-flex;
    align-items: center;
    gap: 0;
}

.btn-group .btn {
    border-radius: 0;
    border-right-width: 0;
}

.btn-group .btn:first-child {
    border-top-left-radius: 6px;
    border-bottom-left-radius: 6px;
}

.btn-group .btn:last-child {
    border-top-right-radius: 6px;
    border-bottom-right-radius: 6px;
    border-right-width: 1px;
}

.btn-group .btn:only-child {
    border-radius: 6px;
    border-right-width: 1px;
}

/* Loading State */
.btn.loading {
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: btn-spin 1s linear infinite;
    opacity: 0.6;
}

@keyframes btn-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.full-width {
    width: 100%;
}

/* Button Icons */
.btn-icon {
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.btn-icon.sm {
    width: 12px;
    height: 12px;
}

.btn-icon.lg {
    width: 20px;
    height: 20px;
}

/* Button Icons - Base Pattern */
[class^="icon-"] {
    width: 16px;
    height: 16px;
    background: currentColor;
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: contain;
}

/* Individual Icon Masks */
.icon-download { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 16l4-4h-3V4h-2v8H8l4 4zM6 18v2h12v-2H6z'/%3E%3C/svg%3E"); }
.icon-save { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M17 3H5a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V7l-4-4zM12 19c-1.66 0-3-1.34-3-3s1.34-3 3-3 3 1.34 3 3-1.34 3-3 3zm1-10H7V5h6v4z'/%3E%3C/svg%3E"); }
.icon-clear { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z'/%3E%3C/svg%3E"); }
.icon-filter { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M10 18h4v-2h-4v2zM3 6v2h18V6H3zm3 7h12v-2H6v2z'/%3E%3C/svg%3E"); }
.icon-apply { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.2L4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4L9 16.2z'/%3E%3C/svg%3E"); }
.icon-dashboard { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 13h8V3H3v10zm0 8h8v-6H3v6zm10 0h8V11h-8v10zm0-18v6h8V3h-8z'/%3E%3C/svg%3E"); }
.icon-logout { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M17 7l-1.41 1.41L18.17 11H8v2h10.17l-2.58 2.58L17 17l5-5zM4 5h8V3H4c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h8v-2H4V5z'/%3E%3C/svg%3E"); }
.icon-login { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M11 7L9.6 8.4l2.6 2.6H2v2h10.2l-2.6 2.6L11 17l5-5-5-5zm9 12h-8v2h8c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2h-8v2h8v14z'/%3E%3C/svg%3E"); }
.icon-user-plus { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M15 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm-9-2V7H4v3H1v2h3v3h2v-3h3v-2H6zm9 4c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z'/%3E%3C/svg%3E"); }
.icon-chart { mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 9.2h3V19H5zM10.6 5h2.8v14h-2.8zm5.6 8H19v6h-2.8z'/%3E%3C/svg%3E"); }

/* Component: Footer - Apple Style */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
    padding: 48px 0;
    margin-top: auto;
    position: relative;
}

/* Subtle gradient accent line */
.footer::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--teal, var(--accent-primary)) 20%, 
        var(--accent-primary) 50%, 
        var(--violet, var(--accent-primary)) 80%, 
        transparent 100%);
    opacity: 0.25;
}

[data-theme="dark"] .footer::before {
    opacity: 0.35;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-3xl);
}

/* Footer Brand Section */
.footer-brand {
    flex: 0 0 auto;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0 0 4px 0;
}

.footer-company {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* Footer Legal Links */
.footer-legal-links {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.footer-legal-links a {
    font-size: 15px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-legal-links a:hover {
    color: var(--text-primary);
}

/* Footer Contact & Social */
.footer-contact {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-lg);
}

.footer-social {
    display: flex;
    gap: var(--space-lg);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s var(--motion-spring, ease);
    border-radius: var(--radius-md);
    background: transparent;
}

.social-link:hover {
    background: var(--accent-bg);
    color: var(--accent-primary);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(5, 130, 202, 0.15);
}

.social-link i {
    font-size: 22px;
}

.social-link svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-contact-info a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-contact-info a:hover {
    color: var(--text-primary);
}

/* Footer Responsive */
@media (max-width: 992px) {
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 32px;
    }
    
    .footer-brand {
        order: 1;
    }
    
    .footer-legal-links {
        order: 2;
        flex-wrap: wrap;
        justify-content: center;
        gap: 24px;
    }
    
    .footer-contact {
        order: 3;
        align-items: center;
    }
    
    .footer-contact-info {
        align-items: center;
    }
}

@media (max-width: 576px) {
    .footer {
        padding: 32px 0;
    }
    
    .footer-content {
        gap: 24px;
    }
    
    .footer-legal-links {
        gap: 20px;
    }
    
    .footer-legal-links a {
        font-size: 14px;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }
    
    .footer-contact-info {
        font-size: 13px;
    }

    .footer-contact-info a {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }

    .social-link {
        width: 44px;
        height: 44px;
    }
}

/* === Legal Pages (Terms of Service, Privacy Policy) - Apple Style === */

.legal-page {
    padding: 80px 0 120px;
    background: var(--bg-primary);
}

.legal-content {
    max-width: 680px;
    margin: 0 auto;
}

/* Header */
.legal-header {
    text-align: center;
    margin-bottom: 64px;
    position: relative;
}

.legal-header::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--teal) 0%, var(--accent-primary) 100%);
    margin: 24px auto 0;
    border-radius: 2px;
}

.legal-header h1 {
    font-size: 48px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 16px 0;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.legal-date {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
}

/* Sections */
.legal-section {
    margin-bottom: 48px;
}

.legal-section h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 16px 0;
    letter-spacing: -0.02em;
    padding-left: 16px;
    position: relative;
}

.legal-section h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: linear-gradient(180deg, var(--teal) 0%, var(--violet) 100%);
    border-radius: 2px;
}

.legal-section p {
    font-size: 17px;
    line-height: 1.65;
    color: var(--text-secondary);
    margin: 0 0 16px 0;
}

.legal-section p:last-child {
    margin-bottom: 0;
}

.legal-lead {
    font-size: 19px;
    line-height: 1.6;
    color: var(--text-primary);
}

.legal-section a {
    color: var(--text-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: opacity var(--transition-fast);
}

.legal-section a:hover {
    opacity: 0.7;
}

.legal-section strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Lists */
.legal-section ul {
    margin: 20px 0;
    padding: 0 0 0 24px;
}

.legal-section ul li {
    font-size: 17px;
    line-height: 1.65;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.legal-section ul li::marker {
    color: var(--text-muted);
}

/* Contact */
.legal-contact {
    margin-top: 24px;
}

.legal-contact p {
    margin-bottom: 20px;
}

.legal-contact a {
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .legal-page {
        padding: 48px 0 80px;
    }
    
    .legal-header {
        margin-bottom: 48px;
    }
    
    .legal-header h1 {
        font-size: 34px;
    }
    
    .legal-section {
        margin-bottom: 40px;
    }
    
    .legal-section h2 {
        font-size: 21px;
    }
    
    .legal-section p,
    .legal-section ul li {
        font-size: 16px;
    }
    
    .legal-lead {
        font-size: 17px;
    }
}

/* Component: Cards */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    position: relative;
}

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

/* Card variants with subtle color accents */
.card-accent {
    background-image: var(--gradient-subtle);
}

.card-teal {
    border-left: 3px solid var(--teal);
}

.card-violet {
    border-left: 3px solid var(--violet);
}

.card-amber {
    border-left: 3px solid var(--amber);
}

/* Component: Count / Stat badge — teal pill for record counts and result tallies */
.count-badge {
    font-size: 0.75rem;
    color: var(--teal-text);
    background: var(--teal-bg);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    border: 1px solid var(--teal-border);
    white-space: nowrap;
    flex-shrink: 0;
}

/* Component: Empty State — centered placeholder for pages with no data */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    padding: var(--space-3xl);
}

.empty-state-icon {
    font-size: 64px;
    color: var(--text-secondary);
    opacity: 0.3;
    margin-bottom: var(--space-xl);
}

.empty-state-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
}

.empty-state-text {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

/* Component: Form Elements */
.form-group {
    margin-bottom: var(--space-xl);
}

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-size: 13px;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    -webkit-appearance: none;
    appearance: none;
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236B6968' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    padding-right: var(--space-2xl);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: var(--bg-secondary);
    box-shadow: 0 0 0 3px var(--accent-bg), 0 4px 12px rgba(5, 130, 202, 0.08);
    transform: translateY(-1px);
}

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

.form-checkbox {
    width: 16px;
    height: 16px;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    cursor: pointer;
}

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

/* Component: Tables */
.table-container {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--border-primary);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.table th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 12px;
    text-align: left;
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-primary);
    white-space: nowrap;
}

.table td {
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-secondary);
    color: var(--text-primary);
}

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

/* Tabulator header popup styling */
.tabulator-popup {
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-primary) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-lg) !important;
}

/* Stock Search Bar - Floating (legacy - kept for reference) */
.stock-search-floating {
    position: absolute;
    top: 0;
    left: 140px;
    z-index: 100;
    animation: slideDown 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.stock-search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 300px;
    height: 40px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-primary);
}

.stock-search-wrapper i.ph-magnifying-glass {
    position: absolute;
    left: var(--space-md);
    color: var(--text-muted);
    font-size: 16px;
    pointer-events: none;
}

.stock-search-input {
    width: 100%;
    padding: var(--space-sm) var(--space-2xl) var(--space-sm) var(--space-2xl);
    font-size: 13px;
    font-family: inherit;
    color: var(--text-primary);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    -webkit-appearance: none;
    appearance: none;
}

.stock-search-input:focus {
    outline: none;
}

.stock-search-input::placeholder {
    color: var(--text-muted);
}

.clear-search-btn {
    position: absolute;
    right: var(--space-sm);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.clear-search-btn:hover {
    background: var(--bg-hover);
    color: var(--text-secondary);
}

.clear-search-btn i {
    font-size: 16px;
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.hidden { display: none; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }

/* Shared Component Classes for DRY */
.section {
    padding: 40px 0;
    background: var(--bg-primary);
}

.section.alternate {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 20px;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

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

.feature-badge {
    display: inline-block;
    background: var(--accent-bg);
    color: var(--accent-primary);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.feature-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.feature-description {
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: 16px;
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 16px;
    background: var(--bg-primary);
    position: relative;
}

.auth-container {
    width: 100%;
    max-width: 420px;
    min-width: 0;
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    overflow-wrap: anywhere;
}

.auth-header p {
    color: var(--text-secondary);
    margin: 0;
    overflow-wrap: anywhere;
}

.auth-form {
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-sm);
    margin-bottom: 16px;
    min-width: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 1.25rem;
    min-width: 0;
}

.form-group label {
    display: block;
    font-size: 0.813rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
}

.form-help {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.5;
    margin: 6px 0 0 0;
    overflow-wrap: anywhere;
}

.form-input,
.auth-form input[type="text"],
.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="tel"] {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.form-input:focus,
.auth-form input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(235, 235, 235, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.checkbox-group label {
    font-size: 0.813rem;
    color: var(--text-secondary);
    margin: 0;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.form-errors {
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 16px;
}

.error-message {
    color: var(--danger);
    font-size: 13px;
    margin: 0 0 0.25rem 0;
}

.error-message:last-child {
    margin-bottom: 0;
}

.error,
.field-error {
    color: var(--danger);
    font-size: 12px;
    margin: 4px 0 0 0;
    overflow-wrap: anywhere;
}

.form-errors .error {
    margin: 0 0 0.25rem 0;
    font-size: 13px;
}

.form-errors .error:last-child {
    margin-bottom: 0;
}

.auth-divider {
    background: var(--bg-secondary);
    padding: 1.25rem;
    border-radius: 12px;
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.auth-divider p {
    color: var(--text-secondary);
    font-size: 0.813rem;
    margin-bottom: 1rem;
}

.auth-links {
    display: grid;
    gap: 12px;
    min-width: 0;
}

.auth-secondary-action,
.auth-tertiary-action {
    text-decoration: none;
    transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast);
}

.auth-secondary-action {
    display: grid;
    gap: 4px;
    padding: 16px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    min-width: 0;
}

.auth-secondary-action:hover,
.auth-secondary-action:focus-visible {
    border-color: var(--accent-primary);
    background: color-mix(in srgb, var(--bg-secondary) 92%, var(--accent-primary) 8%);
    transform: translateY(-1px);
}

.auth-secondary-action:focus-visible,
.auth-tertiary-action:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.auth-secondary-label {
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.auth-secondary-title {
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 600;
    overflow-wrap: anywhere;
}

.auth-secondary-copy {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.5;
    overflow-wrap: anywhere;
}

.auth-tertiary-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 16px;
    border: 1px solid var(--border-primary);
    border-radius: 10px;
    color: var(--text-secondary);
    background: transparent;
    font-size: 13px;
    font-weight: 500;
}

.auth-tertiary-action:hover,
.auth-tertiary-action:focus-visible {
    border-color: var(--accent-primary);
    color: var(--text-primary);
    background: color-mix(in srgb, var(--bg-secondary) 76%, transparent);
}

.auth-submit-button[disabled] {
    cursor: wait;
    opacity: 0.72;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .auth-secondary-action,
    .auth-tertiary-action,
    .auth-submit-button {
        transition: none;
        transform: none;
    }
}

.full-width {
    width: 100%;
}

.link-secondary {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.813rem;
    transition: color 0.2s ease;
}

.link-secondary:hover {
    color: var(--primary);
}

/* Utility Classes */
.text-6xl {
    font-size: 3.75rem;
    line-height: 1;
}

.mb-4 {
    margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        padding: 0 16px;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .nav-menu {
        display: none;
    }

    .header-left {
        gap: var(--space-lg);
    }

    .user-menu span {
        display: none;
    }

    .auth-page {
        padding: 1rem;
    }

    .auth-header {
        padding: 1.5rem;
    }

    .auth-form {
        padding: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .form-options {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .checkbox-group {
        justify-content: center;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* === Premium Glass Effect System === */
/* Consistent frosted glass aesthetic across all components */

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow), var(--glass-highlight);
}

.glass-subtle {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm), var(--glass-highlight);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--glass-shadow), var(--glass-highlight);
    transition: all var(--transition-normal);
}

.glass-card:hover {
    box-shadow: var(--shadow-lg), var(--glass-highlight);
    border-color: var(--accent-border);
}

.glass-pill {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-xs), var(--glass-highlight);
    transition: all var(--transition-fast);
}

.glass-pill:hover {
    border-color: var(--accent-border);
    box-shadow: var(--shadow-sm), var(--glass-highlight);
}

/* Glass overlay for modals and menus */
.glass-overlay {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

[data-theme="dark"] .glass-overlay {
    background: rgba(0, 0, 0, 0.6);
}

/* Glass panel for dropdowns and floating UI */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
}

/* Premium hover lift effect - using scale for no layout shift */
.hover-lift {
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.hover-lift:hover {
    transform: scale(1.01);
    box-shadow: var(--shadow-md);
}

/* Reduced motion support - respect user preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Premium focus ring */
.focus-ring:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--accent-primary);
}


/* ─── AI Summary FAB ─────────────────────────────────────── */

/* Aurora shift animation drives the button — no @property needed */

/* ── Wrapper ─────────────────────────────────────────────── */
.ai-fab-wrapper {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
}

/* ── Aurora Capsule Button ───────────────────────────────── */
/*
 * 2026 design: pill/capsule shape, animated aurora gradient background,
 * holographic inner-shine pseudo-element, multi-layer colored glow shadow,
 * full-spectrum orbit ring.
 */
.ai-fab-btn {
    position: relative;
    /* Capsule pill — the modern AI assistant affordance (Gemini, Perplexity style) */
    width: 72px;
    height: 48px;
    border-radius: 24px;
    border: none;
    /* Aurora gradient: blue → teal → violet → blue cycling */
    background: linear-gradient(
        135deg,
        var(--accent-primary) 0%,
        var(--teal)           30%,
        var(--violet)         65%,
        var(--accent-primary) 100%
    );
    background-size: 300% 300%;
    /* 8s slow breathe — calming, premium not anxious */
    animation: ai-aurora-shift 8s ease-in-out infinite;
    color: var(--text-inverse);
    cursor: pointer;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 5px;
    /* 4-layer glow: near blue, mid teal, far violet, ambient base */
    box-shadow:
        0 0  10px 1px  color-mix(in srgb, var(--accent-primary) 55%, transparent),
        0 4px 20px 0px color-mix(in srgb, var(--teal)           40%, transparent),
        0 8px 36px 0px color-mix(in srgb, var(--violet)         22%, transparent),
        var(--shadow-lg);
    /*
     * expo-out on transform (cubic-bezier(0.16,1,0.3,1)) = Linear/Radix spring:
     * fast initial movement, floats to rest — the hallmark of premium UI.
     * Separate durations: width expands slower for a "breathing" hover.
     */
    transition:
        transform 0.24s cubic-bezier(0.16, 1, 0.3, 1),
        box-shadow 0.32s cubic-bezier(0.16, 1, 0.3, 1),
        width    0.32s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
    /* Promote to GPU compositor layer — zero layout/paint jank */
    will-change: transform;
}

/* Aurora gradient shift — non-linear stops create a "breathing" dwell at each pole */
@keyframes ai-aurora-shift {
    0%   { background-position:   0% 50%; }
    25%  { background-position:  40% 60%; }
    50%  { background-position: 100% 50%; }
    75%  { background-position:  60% 40%; }
    100% { background-position:   0% 50%; }
}

/* ::before removed — button visual handled by aurora background shift only */

/*
 * Holographic sweep shine — the #1 premium button trick (Apple, Linear, Stripe).
 * Narrow skewed beam traverses the pill; loops every 5s with a long dwell.
 * Compositor-only: only transform + opacity animated.
 */
.ai-fab-btn::after {
    content: '';
    position: absolute;
    top: -10%;
    left: 0;
    width: 45%;
    height: 120%;
    background: linear-gradient(
        105deg,
        transparent 0%,
        rgba(255,255,255,0.18) 40%,
        rgba(255,255,255,0.32) 50%,
        rgba(255,255,255,0.18) 60%,
        transparent 100%
    );
    transform: translateX(-160%) skewX(-15deg);
    animation: ai-shine-sweep 5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    pointer-events: none;
}
/* Sweep then long invisible dwell (70% of cycle idle = premium restraint) */
@keyframes ai-shine-sweep {
    0%   { transform: translateX(-160%) skewX(-15deg); opacity: 1; }
    28%  { transform: translateX( 280%) skewX(-15deg); opacity: 1; }
    29%  { opacity: 0; }
    100% { transform: translateX( 280%) skewX(-15deg); opacity: 0; }
}

.ai-fab-btn:hover {
    width: 80px;
    transform: translateY(-2px); /* 2px not 3px — subtle lift feels more premium */
    box-shadow:
        0 0  14px 3px  color-mix(in srgb, var(--accent-primary) 65%, transparent),
        0 6px 28px 0px color-mix(in srgb, var(--teal)           55%, transparent),
        0 12px 48px 0px color-mix(in srgb, var(--violet)         35%, transparent),
        var(--shadow-xl);
}
/* Physical press: scale 0.96 (not 0.95) + faster easing = snappy tactile click */
.ai-fab-btn:active {
    transform: scale(0.96) translateY(0);
    transition:
        transform  80ms cubic-bezier(0.36, 0.07, 0.19, 0.97),
        box-shadow 80ms ease;
}

.ai-fab-icon {
    font-size: 18px;
    /* Phosphor sparkle looks best with a soft white glow on the coloured pill */
    filter: drop-shadow(0 0 5px rgba(255,255,255,0.55));
    transition: transform 0.36s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    z-index: 1;
    /* Prevent the icon from shifting during aurora background-size animation */
    flex-shrink: 0;
}
/* Subtle scale only — sparkle shape looks odd when rotated */
.ai-fab-btn:hover .ai-fab-icon { transform: scale(1.18); }

.ai-fab-text {
    font-size: 9px;
    font-weight: 900;
    letter-spacing: .14em;
    text-transform: uppercase;
    position: relative;
    z-index: 1;
    /* subtle text glow for futuristic feel */
    text-shadow: 0 0 8px rgba(255,255,255,0.6);
}

/* ── Card ────────────────────────────────────────────────── */
/*
 * Width 520px: per UX research (UXPin 2026), 14px font + this width
 * targets the optimal 60-70 chars-per-line reading sweet spot.
 */
.ai-fab-card {
    position: absolute;
    bottom: 64px;
    right: 0;
    width: 520px;
    /*
     * Max-height keeps card within the visible viewport, below the sticky header.
     * Formula: 100vh - header(60px) - wrapper-bottom(28px) - card-bottom(64px) - safety(12px) = 164px
     */
    max-height: calc(100vh - 164px);
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    /* Dual ambient glow lifts card off the page */
    box-shadow:
        0 28px 64px color-mix(in srgb, var(--accent-primary) 10%, transparent),
        0 10px 32px color-mix(in srgb, var(--violet)         6%,  transparent),
        var(--shadow-xl);
    /*
     * Subtle entry: scale 0.95 (not 0.88) + 10px (not 20px) = premium restraint.
     * expo-out cubic-bezier(0.16,1,0.3,1): fast initial movement, floats to rest.
     * 320ms: snappier than 400ms — confidence without haste.
     * Opacity leads slightly shorter: content fades in before scale completes
     * giving a layered, cinematic entrance.
     */
    transform: scale(0.95) translateY(10px);
    transform-origin: bottom right;
    opacity: 0;
    pointer-events: none;
    transition:
        transform 320ms cubic-bezier(0.16, 1, 0.3, 1),
        opacity   200ms cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
    /* GPU compositor layer — card open/close is the most visible transition */
    will-change: transform, opacity;
}

/* Four-stop rainbow stripe: blue → teal → violet → amber */
.ai-fab-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(
        90deg,
        var(--accent-primary) 0%,
        var(--teal)            35%,
        var(--violet)          68%,
        var(--amber)           100%
    );
    z-index: 2;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.ai-fab-card--open {
    transform: scale(1) translateY(0);
    opacity: 1;
    pointer-events: all;
}

/* ── Header ──────────────────────────────────────────────── */
.ai-fab-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px var(--space-lg);
    padding-top: 17px; /* offset for 3px stripe */
    border-bottom: 1px solid var(--border-primary);
    background: var(--bg-tertiary);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}
.ai-fab-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.ai-fab-header-icon {
    color: var(--teal);
    font-size: 15px;
    line-height: 1;
    filter: drop-shadow(0 0 5px color-mix(in srgb, var(--teal) 60%, transparent));
}
.ai-fab-header-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: .01em;
}
.ai-fab-header-right {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.ai-fab-header-date {
    font-size: 11px;
    color: var(--text-muted);
    background: var(--accent-bg);
    padding: 2px 7px;
    border-radius: 20px;
    border: 1px solid var(--accent-border);
}
.ai-fab-close {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition:
        background var(--transition-fast),
        color var(--transition-fast),
        transform 0.15s ease;
}
.ai-fab-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    transform: scale(1.15) rotate(90deg);
    transition:
        transform  0.28s cubic-bezier(0.16, 1, 0.3, 1),
        background 0.16s ease,
        color      0.16s ease;
}

/* ── Body ────────────────────────────────────────────────── */
/*
 * Body fills all space left after card header + footer.
 * flex: 1 + min-height: 0 is the correct flex shrink pattern.
 */
.ai-fab-body {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: var(--space-lg) 20px;
    scrollbar-gutter: stable;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-primary);
}

/* Thin teal scrollbar */
.ai-fab-body::-webkit-scrollbar { width: 4px; }
.ai-fab-body::-webkit-scrollbar-track { background: transparent; }
.ai-fab-body::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--teal) 40%, transparent);
    border-radius: 4px;
}
.ai-fab-body::-webkit-scrollbar-thumb:hover {
    background: color-mix(in srgb, var(--teal) 65%, transparent);
}

/* Content typography */
.ai-fab-body .ai-doc-title { display: none; }

/* Section headings cycle blue → teal → violet */
.ai-fab-body h2 {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .09em;
    color: var(--text-secondary);
    border-left: 3px solid var(--accent-primary);
    padding-left: var(--space-sm);
    margin: var(--space-xl) 0 var(--space-sm);
}
.ai-fab-body h2:first-of-type { margin-top: 2px; }
.ai-fab-body h2:nth-of-type(3n+2) { border-left-color: var(--teal); }
.ai-fab-body h2:nth-of-type(3n+3) { border-left-color: var(--violet); }

/* Lead paragraph with bottom rule */
.ai-fab-body > p:first-of-type {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.85;
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-primary);
    margin-bottom: var(--space-lg);
}
.ai-fab-body p { margin-bottom: var(--space-md); }
.ai-fab-body strong {
    color: var(--text-primary);
    font-weight: 600;
}
.ai-fab-body ul { padding-left: var(--space-lg); margin: var(--space-sm) 0; }
/* Slightly smaller list items — visual hierarchy within the 14px base */
.ai-fab-body li { margin-bottom: 5px; font-size: 13.5px; line-height: 1.7; }

/* ── Sector collapsible ──────────────────────────────────── */
.ai-sector-details > summary {
    cursor: pointer;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--teal);
    list-style: none;
    padding: var(--space-xs) 0 var(--space-sm);
    user-select: none;
    display: flex;
    align-items: center;
    gap: 5px;
}
.ai-sector-details > summary:hover {
    color: var(--teal-text);
    text-decoration: underline;
}
.ai-sector-details > summary::marker,
.ai-sector-details > summary::-webkit-details-marker { display: none; }

/* ── Loading ─────────────────────────────────────────────── */
.ai-fab-loading {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 40px var(--space-md);
    color: var(--text-muted);
    font-size: 13.5px;
}
.ai-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-primary);
    border-top-color: var(--accent-primary);
    border-right-color: var(--teal);
    border-radius: 50%;
    animation: ai-spin .7s linear infinite;
    flex-shrink: 0;
}
@keyframes ai-spin { to { transform: rotate(360deg); } }

.ai-fab-error { color: var(--danger); font-size: 14px; padding: var(--space-md) 0; }

/* ── Footer ──────────────────────────────────────────────── */
.ai-fab-footer {
    padding: 9px var(--space-lg);
    border-top: 1px solid var(--border-primary);
    font-size: 10px;
    color: var(--text-muted);
    text-align: center;
    background: var(--bg-tertiary);
    letter-spacing: .05em;
}

/* ── Mobile ──────────────────────────────────────────────── */
@media (max-width: 768px) {
    .ai-fab-wrapper   { bottom: 20px; right: 16px; }
    .ai-fab-btn       { width: 64px; height: 44px; }
    .ai-fab-btn:hover { width: 64px; }
    .ai-fab-card {
        width: calc(100vw - 32px);
        right: -16px;
        bottom: 60px;
        /* Mobile: header(60) + wrapper-bottom(20) + card-bottom(60) + safety(12) = 152px */
        max-height: calc(100vh - 152px);
    }
    .ai-fab-body { min-height: 0; font-size: 13.5px; }
}

/* ── Accessibility: honour reduced-motion preference ────── */
/* Swiss discipline: never impose animation on those who don't want it */
@media (prefers-reduced-motion: reduce) {
    .ai-fab-btn,
    .ai-fab-btn::after {
        animation: none;
    }
    .ai-fab-btn,
    .ai-fab-btn:active,
    .ai-fab-card,
    .ai-fab-close {
        transition-duration: 0.01ms !important;
    }
}

/* ── TradingCalendar – shared zero-dependency inline calendar ──────────── */
.tc-cal {
    position: fixed;
    width: 252px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0,0,0,.32), 0 2px 8px rgba(0,0,0,.16);
    z-index: 10010;
    padding: 10px;
    opacity: 0;
    transform: translateY(-4px);
    pointer-events: none;
    transition: opacity .12s ease, transform .12s ease;
    user-select: none;
}
.tc-cal.tc-open { opacity: 1; transform: translateY(0); pointer-events: all; }
.tc-hd { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.tc-title { font-size: 12px; font-weight: 600; color: var(--text-primary); letter-spacing: -0.01em; }
.tc-nav {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    border-radius: var(--radius-sm);
    padding: 0 6px;
    transition: color var(--transition-fast), background var(--transition-fast);
}
.tc-nav:hover { color: var(--accent-primary); background: var(--accent-bg); }
.tc-nav[disabled] { opacity: 0.25; cursor: default; pointer-events: none; }
.tc-dow {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: 4px;
}
.tc-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px; }
.tc-cell { text-align: center; font-size: 11px; height: 28px; line-height: 28px; border-radius: var(--radius-sm); color: var(--text-secondary); }
.tc-avail { color: var(--text-primary); font-weight: 600; cursor: pointer; transition: background var(--transition-fast), color var(--transition-fast); }
.tc-avail:hover { background: var(--accent-bg); color: var(--accent-primary); }
.tc-sel { background: var(--accent-primary) !important; color: #fff !important; }
.tc-off  { opacity: 0.22; cursor: default; }