/**
 * Design System - Investment Portfolio UI
 * Based on mockups in /Investment_design/
 * Version: 1.0
 * Created: 2026-01-28
 */

/* ============================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================= */

:root {
    /* =========================================================================
       MoneyCompass Design Aliases
       These map to generated tokens from theme-vars.css so that downstream CSS
       continues to work unchanged while the actual values are theme-driven.
       ========================================================================= */

    /* Brand Colors - Primary */
    --brand-gold: var(--colors-brand-primary);
    --brand-gold-light: var(--colors-brand-primary-light);
    --brand-gold-dark: var(--colors-brand-primary-dark);

    /* Brand Colors - Foundation */
    --brand-charcoal: var(--colors-brand-secondary);
    --brand-charcoal-light: var(--colors-brand-secondary-light);
    --brand-charcoal-dark: var(--colors-brand-secondary-dark);

    /* Background Brand (always dark — NOT overridden in .main-content scope) */
    --bg-brand-dark: var(--colors-brand-secondary);
    --bg-brand-dark-light: var(--colors-brand-secondary-light);
    --bg-brand-dark-dark: var(--colors-brand-secondary-dark);

    /* Brand Colors - Accents */
    --brand-ice: var(--colors-brand-ice);
    --brand-silver: var(--colors-brand-silver);
    --brand-teal: var(--colors-brand-accent);
    --brand-teal-light: var(--colors-brand-accent-light);

    /* Colors - Primary Palette (mapped to brand) */
    --color-primary: var(--colors-brand-secondary);
    --color-primary-light: var(--colors-brand-secondary-light);
    --color-primary-dark: var(--colors-brand-secondary-dark);
    --color-secondary: var(--colors-brand-accent);
    --color-accent: var(--colors-brand-primary);

    /* Colors - Semantic */
    --color-success: var(--colors-semantic-success);
    --color-danger: var(--colors-semantic-danger);
    --color-warning: var(--colors-semantic-warning);
    --color-info: var(--colors-semantic-info);

    /* Colors - Semantic Light Variants */
    --color-success-light: var(--colors-semantic-success-light);
    --color-danger-light: var(--colors-semantic-danger-light);
    --color-warning-light: var(--colors-semantic-warning-light);
    --color-info-light: var(--colors-semantic-info-light);

    /* Colors - Neutral */
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-gray-50: var(--colors-gray-50);
    --color-gray-100: var(--colors-gray-100);
    --color-gray-200: var(--colors-gray-200);
    --color-gray-300: var(--colors-gray-300);
    --color-gray-400: var(--colors-gray-400);
    --color-gray-500: var(--colors-gray-500);
    --color-gray-600: var(--colors-gray-600);
    --color-gray-700: var(--colors-gray-700);
    --color-gray-800: var(--colors-gray-800);
    --color-gray-900: var(--colors-gray-900);

    /* Colors - Backgrounds */
    --bg-page: var(--colors-surface-page);
    --bg-card: var(--colors-surface-card);
    --bg-sidebar: var(--colors-surface-sidebar);
    --bg-hover: var(--colors-surface-hover);

    /* Colors - Text */
    --text-primary: var(--colors-text-primary);
    --text-secondary: var(--colors-text-secondary);
    --text-muted: var(--colors-text-muted);
    --text-tertiary: var(--colors-text-muted);
    --text-on-primary: var(--colors-text-on-primary);
    --text-on-dark: var(--colors-text-on-dark);

    /* Glassmorphism Effects */
    --glass-bg: var(--effects-glass-bg);
    --glass-border: var(--effects-glass-border);
    --glass-blur: var(--effects-glass-blur);

    /* Gold Gradient for Headers */
    --gradient-gold: var(--gradients-primary);

    /* Spacing (structural — not theme-dependent) */
    --spacing-xs: 0.25rem;      /* 4px */
    --spacing-sm: 0.5rem;       /* 8px */
    --spacing-md: 1rem;         /* 16px */
    --spacing-lg: 1.5rem;       /* 24px */
    --spacing-xl: 2rem;         /* 32px */
    --spacing-2xl: 3rem;        /* 48px */
    --spacing-3xl: 4rem;        /* 64px */

    /* Border Radius */
    --radius-sm: var(--shape-border-radius-sm);
    --radius-md: var(--shape-border-radius-md);
    --radius-lg: var(--shape-border-radius-lg);
    --radius-xl: var(--shape-border-radius-xl);
    --radius-full: var(--shape-border-radius-pill);

    /* Shadows */
    --shadow-sm: var(--effects-shadow-sm);
    --shadow-md: var(--effects-shadow-md);
    --shadow-lg: var(--effects-shadow-lg);
    --shadow-xl: var(--effects-shadow-xl);
    --shadow-gold: 0 4px 16px rgba(212, 175, 55, 0.3);
    --shadow-gold-lg: 0 6px 24px rgba(212, 175, 55, 0.4);

    /* Semantic Background Tints */
    --border-light: var(--colors-surface-divider, var(--color-gray-200));
    --brand-teal-dark: #2A5A6C;
    --color-success-bg: #D1FAE5;
    --color-warning-bg: #FEF3C7;
    --color-danger-bg: #FEE2E2;
    --color-info-bg: #DBEAFE;
    --color-purple: #8B5CF6;
    --color-purple-light: #A78BFA;
    --color-purple-bg: #E0E7FF;

    /* Asset class colors (mapped from chart theme tokens) */
    --color-asset-equity: var(--chart-equity, var(--color-warning));
    --color-asset-debt: var(--chart-debt, var(--color-info));
    --color-asset-hybrid: var(--color-purple);
    --color-asset-alternative: var(--brand-teal-light);
    --color-asset-cash: var(--color-success);
    --color-asset-other: var(--color-gray-500);

    /* Gradient endpoint aliases (eliminate hardcoded hex in gradients) */
    --color-success-alt: #34D399;
    --color-danger-alt: #F87171;
    --color-warning-alt: var(--brand-gold-light);

    /* V4 Shell Shorthand Aliases (used by v4-pages.css and templates) */
    --gold: var(--brand-gold);
    --gold-light: var(--brand-gold-light);
    --teal: var(--brand-teal);
    --teal-light: var(--brand-teal-light);
    --charcoal: var(--brand-charcoal);
    --charcoal-dark: var(--brand-charcoal-dark);
    --charcoal-light: var(--brand-charcoal-light);
    --success: var(--color-success);
    --warning: var(--color-warning);

    /* Legacy Shorthand Aliases (used by style.css) */
    --font-primary: var(--typography-font-family);
    --bg-secondary: var(--colors-surface-page);
    --primary: var(--colors-brand-secondary);
    --primary-light: var(--colors-brand-secondary-light);
    --primary-dark: var(--colors-brand-secondary-dark);
    --success-dark: var(--colors-semantic-success);
    --danger: var(--colors-semantic-danger);
    --danger-dark: var(--colors-semantic-danger);
    --danger-light: var(--colors-semantic-danger-light);
    --danger-bg: var(--colors-semantic-danger-light);
    --gray-100: var(--colors-gray-100);

    /* Typography */
    --font-sans: var(--typography-font-family);
    --font-mono: var(--typography-font-family-mono);

    /* Font sizes (structural scale — not theme-dependent) */
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */

    /* Font weights */
    --font-weight-normal: var(--typography-font-weight-normal);
    --font-weight-medium: var(--typography-font-weight-medium);
    --font-weight-semibold: var(--typography-font-weight-semibold);
    --font-weight-bold: var(--typography-font-weight-bold);

    /* Line heights (structural — not theme-dependent) */
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Transitions */
    --transition-fast: var(--effects-transition-fast);
    --transition-base: var(--effects-transition-base);
    --transition-slow: var(--effects-transition-slow);

    /* Z-index (structural — not theme-dependent) */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* =============================================================================
   Dark Theme Overrides
   Most aliases auto-cascade from theme-vars.css dark overrides (surfaces,
   text, grays, glass, shadows all flow through automatically).
   Only aliases whose underlying token is NOT overridden in theme-vars.css
   need explicit entries here.
   ============================================================================= */

[data-theme="dark"] body {
    background: linear-gradient(135deg, #1a1f2e 0%, #2C3E50 100%);
    background-attachment: fixed;
}
[data-theme="dark"] .main-content {
    background: transparent;
}
[data-theme="dark"] .sidebar {
    background-color: #151a27;
}

[data-theme="dark"] {
    /* text-on-dark: theme-vars does not override --colors-text-on-dark */
    --text-on-dark: #ffffff;

    /* Gray shades not overridden in theme-vars dark block */
    --color-gray-400: #64748b;
    --color-gray-500: #94a3b8;

    /* brand-ice: theme-vars does not override --colors-brand-ice */
    --brand-ice: #1e2536;

    /* Semantic Background Tints — dark mode uses subtle opacity */
    --border-light: var(--colors-surface-divider, var(--color-gray-200));
    --brand-teal-dark: #4A9AAC;
    --color-success-bg: rgba(16, 185, 129, 0.15);
    --color-warning-bg: rgba(245, 158, 11, 0.15);
    --color-danger-bg: rgba(239, 68, 68, 0.15);
    --color-info-bg: rgba(59, 130, 246, 0.15);
    --color-purple-bg: rgba(139, 92, 246, 0.15);
}

/* =============================================================================
   Dark Theme: Scoped variable overrides for main content
   --brand-charcoal is used as BOTH background (sidebar, AI panel) and text
   color (headings, values).  Scoping to .main-content keeps backgrounds dark
   while making text light.
   ============================================================================= */

[data-theme="dark"] .main-content {
    --brand-charcoal: #E2E8F0;
    --brand-charcoal-light: #CBD5E1;
    --brand-charcoal-dark: #F1F5F9;
}

/* =============================================================================
   Light Theme Overrides
   For dark-base themes, [data-theme="light"] provides the light mode values
   that override the dark :root defaults.
   ============================================================================= */

[data-theme="light"] {
    /* Surfaces */
    --colors-surface-page: #F8FAFC;
    --colors-surface-card: #FFFFFF;
    --colors-surface-card-border: #E5E7EB;
    --colors-surface-divider: #E5E7EB;
    --colors-surface-hover: #F1F5F9;
    --colors-surface-input-border: #D1D5DB;

    /* Text */
    --colors-text-primary: #1E293B;
    --colors-text-secondary: #64748B;
    --colors-text-muted: #94A3B8;

    /* Grays — restore standard light-mode grays */
    --colors-gray-50: #F9FAFB;
    --colors-gray-100: #F3F4F6;
    --colors-gray-200: #E5E7EB;
    --colors-gray-300: #D1D5DB;
    --colors-gray-700: #374151;
    --colors-gray-800: #1F2937;
    --colors-gray-900: #111827;

    /* Glass effects — light glass */
    --effects-glass-bg: rgba(255, 255, 255, 0.7);
    --effects-glass-border: rgba(0, 0, 0, 0.08);

    /* Shadows — lighter */
    --effects-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --effects-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --effects-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --effects-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Brand colors */
    --colors-brand-ice: #E0F7FA;

    /* Semantic backgrounds — solid light tints */
    --color-success-bg: #D1FAE5;
    --color-warning-bg: #FEF3C7;
    --color-danger-bg: #FEE2E2;
    --color-info-bg: #DBEAFE;
    --color-purple-bg: #E0E7FF;
}

[data-theme="light"] .main-content {
    --brand-charcoal: #0F172A;
    --brand-charcoal-light: #1E293B;
    --brand-charcoal-dark: #020617;
}

/* ============================================================================
   Base Styles
   ========================================================================= */

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-page);
}

/* ============================================================================
   Typography
   ========================================================================= */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--color-white); }

.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-info { color: var(--color-info); }

/* ============================================================================
   Cards
   ========================================================================= */

.card-modern {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    transition: box-shadow var(--transition-base);
}

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

.card-modern.clickable {
    cursor: pointer;
}

.card-modern.clickable:hover {
    transform: translateY(-2px);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

/* Dark-mode glassmorphism — Branding.md "semi-transparent frosted glass" */
[data-theme="dark"] .card-modern,
[data-theme="dark"] .snapshot-card,
[data-theme="dark"] .pension-metric-card,
[data-theme="dark"] .rec-stat-card,
[data-theme="dark"] .rec-info-card,
[data-theme="dark"] .rec-filter-bar,
[data-theme="dark"] .rec-empty-state,
[data-theme="dark"] .bills-section,
[data-theme="dark"] .pension-section {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-color: var(--glass-border);
}

/* ============================================================================
   Buttons
   ========================================================================= */

.btn-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-modern:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-modern:active {
    transform: translateY(0);
}

.btn-primary-modern {
    background-color: var(--color-primary);
    color: var(--text-on-primary);
}

.btn-primary-modern:hover {
    background-color: var(--color-primary-light);
    color: var(--text-on-primary);
}

.btn-secondary-modern {
    background-color: var(--color-secondary);
    color: var(--text-on-primary);
}

.btn-success-modern {
    background-color: var(--color-success);
    color: var(--text-on-primary);
}

.btn-danger-modern {
    background-color: var(--color-danger);
    color: var(--text-on-primary);
}

.btn-outline-modern {
    background-color: transparent;
    border-color: var(--color-gray-300);
    color: var(--text-primary);
}

.btn-outline-modern:hover {
    background-color: var(--bg-hover);
}

/* Brand CTA Buttons — Gold per Branding.md
   Uses --bg-brand-dark for text (always dark, never overridden in .main-content) */
.btn-brand {
    background: var(--brand-gold);
    color: var(--bg-brand-dark);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-base);
    text-decoration: none;
    cursor: pointer;
}
.btn-brand:hover {
    background: var(--brand-gold-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
    color: var(--bg-brand-dark);
}
.btn-brand:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.btn-brand-outline {
    background: transparent;
    color: var(--brand-gold);
    border: 2px solid var(--brand-gold);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-base);
    text-decoration: none;
    cursor: pointer;
}
.btn-brand-outline:hover {
    background: var(--brand-gold);
    color: var(--brand-charcoal);
}

/* ============================================================================
   Badges & Labels
   ========================================================================= */

.badge-modern {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
}

.badge-success { background-color: #DEF7EC; color: #03543F; }
.badge-danger { background-color: #FDE8E8; color: #9B1C1C; }
.badge-warning { background-color: #FDF6B2; color: #723B13; }
.badge-info { background-color: #E1EFFE; color: #1E429F; }
.badge-neutral { background-color: var(--color-gray-200); color: var(--color-gray-700); }

/* ============================================================================
   Tables
   ========================================================================= */

.table-modern {
    width: 100%;
    border-collapse: collapse;
}

.table-modern thead {
    background-color: var(--color-gray-50);
    border-bottom: 2px solid var(--color-gray-200);
}

.table-modern th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table-modern td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
}

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

.table-modern th.sortable {
    cursor: pointer;
    user-select: none;
}

.table-modern th.sortable:hover {
    background-color: var(--color-gray-100);
}

/* ============================================================================
   Forms
   ========================================================================= */

.form-control-modern {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-card);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-control-modern:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
}

.form-label-modern {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

/* ============================================================================
   Utility Classes
   ========================================================================= */

/* Spacing */
.p-0 { padding: 0; }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

.m-0 { margin: 0; }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }
.m-xl { margin: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

/* Display */
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }
.d-grid { display: grid; }
.d-none { display: none; }
.d-block { display: block; }

/* Flexbox */
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.justify-content-end { justify-content: flex-end; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-end { text-align: right; }

/* Font Weight */
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Border Radius */
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Visibility */
.hidden { display: none !important; }
.visible { display: block !important; }

/* ============================================================================
   Loading States
   ========================================================================= */

.skeleton {
    background: linear-gradient(90deg, var(--color-gray-200) 25%, var(--color-gray-100) 50%, var(--color-gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.spinner {
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    width: 2rem;
    height: 2rem;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================================================
   MoneyCompass Logo & Brand Elements
   ========================================================================= */

/* Logo container */
.logo {
    display: inline-block;
    object-fit: contain;
}

/* Logo sizes */
.logo-xs {
    width: 24px;
    height: 24px;
}

.logo-sm {
    width: 32px;
    height: 32px;
}

.logo-md {
    width: 48px;
    height: 48px;
}

.logo-lg {
    width: 64px;
    height: 64px;
}

.logo-xl {
    width: 96px;
    height: 96px;
}

.logo-2xl {
    width: 128px;
    height: 128px;
}

.logo-full {
    width: 200px;
    height: auto;
}

/* Gold gradient heading — Branding.md "subtle Gold Metallic Gradient" */
h1.brand-heading,
.brand-heading {
    background: linear-gradient(135deg, var(--brand-gold), var(--brand-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Brand text with gold gradient */
.brand-text-gold {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Gold accent elements */
.accent-gold {
    color: var(--brand-gold);
}

.bg-gold {
    background-color: var(--brand-gold);
}

.border-gold {
    border-color: var(--brand-gold);
}

/* Glassmorphism card */
.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);
}

/* ============================================================================
   Transitions & Animations
   ========================================================================= */

.fade-in {
    animation: fadeIn var(--transition-base);
}

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

.slide-in-right {
    animation: slideInRight var(--transition-slow);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ============================================================================
   Responsive
   ========================================================================= */

@media (max-width: 768px) {
    :root {
        --font-size-4xl: 1.875rem;  /* Smaller on mobile */
        --font-size-3xl: 1.5rem;
    }

    .card-modern {
        padding: var(--spacing-md);
    }
}