/* Franklin Hugh Money - Main Shared Styles
 * Core design system used across all pages
 * Extracted from inline styles for caching efficiency
 */

/* ============================================
   CSS Variables (Design Tokens)
   ============================================ */
:root {
    /* Primary Institutional Colors */
    --fh-navy: #002d62;
    --fh-cream: #fffdf7;
    --fh-gray: #54585a;

    /* Secondary Colors */
    --fh-sage: #7c9885;
    --fh-burgundy: #6b2737;
    --fh-gold: #b08d57;

    /* Neutral Scale */
    --fh-gray-900: #1a1a1a;
    --fh-gray-700: #404040;
    --fh-gray-600: #595959;
    --fh-gray-500: #737373;
    --fh-gray-400: #8a8a8a;
    --fh-gray-300: #d4d4d4;
    --fh-gray-200: #e5e5e5;
    --fh-gray-100: #f5f5f5;
    --fh-white: #ffffff;

    /* Typography */
    --fh-font-display: 'Crimson Pro', Georgia, serif;
    --fh-font-body: 'Inter', -apple-system, sans-serif;
    --fh-font-mono: 'IBM Plex Mono', monospace;

    /* Semantic Colors */
    --fh-navy-dark: #003d82;
    --fh-status-positive: #2e7d32;
    --fh-status-negative: #c62828;
    --fh-status-warning: #f57c00;
    --fh-note-orange: #e65100;
    --fh-note-border: #ff9800;
    --fh-note-bg-start: #fff3e0;
    --fh-note-bg-end: #ffe0b2;
    --fh-note-border-accent: #ffb74d;

    /* Spacing Scale (8px base) */
    --fh-space-xs: 0.25rem;
    --fh-space-sm: 0.5rem;
    --fh-space-md: 1rem;
    --fh-space-lg: 1.5rem;
    --fh-space-xl: 2rem;
    --fh-space-2xl: 3rem;
    --fh-space-3xl: 4rem;
    --fh-space-4xl: 6rem;
}

/* ============================================
   Night Mode (5pm - 9am)
   ============================================ */
body.night-mode {
    --fh-navy: #4a90c2;
    --fh-cream: #1a1f2e;
    --fh-gray: #9ca3af;

    --fh-sage: #8fb89a;
    --fh-burgundy: #c77a8a;
    --fh-gold: #d4a85a;

    --fh-gray-900: #f5f5f5;
    --fh-gray-700: #e5e5e5;
    --fh-gray-600: #d4d4d4;
    --fh-gray-500: #9ca3af;
    --fh-gray-400: #6b7280;
    --fh-gray-300: #4b5563;
    --fh-gray-200: #374151;
    --fh-gray-100: #252d3d;
    --fh-white: #1e2536;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--fh-font-body);
    font-size: 16px;
    line-height: 1.75;
    color: var(--fh-gray-900);
    background: var(--fh-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Skip to Content (Accessibility)
   ============================================ */
.skip-to-content {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
    z-index: 1000;
    padding: var(--fh-space-sm) var(--fh-space-md);
    background: var(--fh-navy);
    color: var(--fh-white);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 0 0 4px 0;
}

.skip-to-content:focus {
    position: fixed;
    left: 0;
    top: 0;
    width: auto;
    height: auto;
    outline: 2px solid var(--fh-gold);
    outline-offset: 2px;
}

/* ============================================
   Typography
   ============================================ */
h1,
h2,
h3 {
    font-family: var(--fh-font-display);
    font-weight: 400;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    letter-spacing: -0.02em;
    color: var(--fh-navy);
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: var(--fh-space-lg);
    color: var(--fh-navy);
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    margin-bottom: var(--fh-space-md);
}

p {
    margin-bottom: var(--fh-space-md);
    color: var(--fh-gray-700);
}

a {
    color: var(--fh-navy);
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    transition: all 0.2s ease;
}

a:hover {
    text-decoration-thickness: 2px;
}

strong {
    font-weight: 600;
    color: var(--fh-gray-900);
}

/* ============================================
   Layout Utilities
   ============================================ */
.container {
    max-width: 1024px;
    margin: 0 auto;
    padding: 0 var(--fh-space-lg);
}

.container--wide {
    max-width: 1200px;
    padding: var(--fh-space-xl);
}

.prose {
    max-width: 65ch;
    margin: 0 auto;
}

.text-center {
    text-align: center;
}

/* ============================================
   Header Component (Home Page)
   ============================================ */
.header {
    padding: var(--fh-space-4xl) 0;
    text-align: center;
    border-bottom: 1px solid var(--fh-gray-200);
    background: var(--fh-white);
}

.header__subtitle {
    font-family: var(--fh-font-display);
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--fh-gray-600);
    margin-top: var(--fh-space-sm);
    font-weight: 300;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    margin-top: var(--fh-space-2xl);
    display: flex;
    justify-content: center;
    gap: var(--fh-space-xl);
    flex-wrap: wrap;
}

.nav a {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    color: var(--fh-gray-700);
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav a:hover {
    color: var(--fh-navy);
}

.nav__link--sage {
    color: var(--fh-sage);
    font-weight: 600;
}

.nav__link--burgundy {
    color: var(--fh-burgundy);
    font-weight: 600;
}

.nav__link--gold {
    color: var(--fh-gold);
    font-weight: 600;
}

.nav .active {
    color: var(--fh-navy);
    font-weight: 600;
}

/* Inline navigation (treasury page style) */
.nav--inline {
    margin-top: 0;
    margin-bottom: var(--fh-space-2xl);
    justify-content: flex-start;
    font-size: 0.9rem;
    letter-spacing: 0.01em;
}

.nav--inline a {
    color: var(--fh-gray-600);
}

/* ============================================
   Sections
   ============================================ */
.section {
    padding: var(--fh-space-3xl) 0;
}

.section--alt {
    background: var(--fh-white);
}

/* ============================================
   Introduction Text
   ============================================ */
.intro {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--fh-gray-700);
}

.intro strong {
    color: var(--fh-navy);
    font-weight: 500;
}

/* Lead text (larger intro) */
.lead {
    font-size: 1.25rem;
    font-family: var(--fh-font-display);
    color: var(--fh-gray-600);
    line-height: 1.6;
    margin-bottom: var(--fh-space-2xl);
}

/* ============================================
   Philosophy Cards (Home Page)
   ============================================ */
.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--fh-space-xl);
    margin-top: var(--fh-space-2xl);
}

.philosophy-card {
    background: var(--fh-white);
    padding: var(--fh-space-xl);
    border: 1px solid var(--fh-gray-200);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.3s ease;
}

.philosophy-card:hover {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
}

.philosophy-card h3 {
    font-family: var(--fh-font-body);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--fh-navy);
    margin-bottom: var(--fh-space-sm);
}

.philosophy-card p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   Performance Widget (Home Page)
   ============================================ */
.performance {
    font-family: var(--fh-font-mono);
    background: var(--fh-white);
    padding: var(--fh-space-xl);
    border: 1px solid var(--fh-gray-200);
    margin: var(--fh-space-2xl) 0;
}

.performance__title {
    font-family: var(--fh-font-display);
    font-size: 1.25rem;
    margin-bottom: var(--fh-space-lg);
    color: var(--fh-navy);
}

.performance__row {
    display: flex;
    justify-content: space-between;
    padding: var(--fh-space-sm) 0;
    border-bottom: 1px solid var(--fh-gray-200);
}

.performance__row:last-child {
    border-bottom: none;
}

.performance__label {
    font-size: 0.875rem;
    color: var(--fh-gray-600);
}

.performance__value {
    font-weight: 500;
    color: var(--fh-gray-900);
}

.performance__value--positive {
    color: var(--fh-sage);
}

.performance__value--negative {
    color: var(--fh-burgundy);
}

/* ============================================
   Buttons & CTAs
   ============================================ */
.cta {
    text-align: center;
    padding: var(--fh-space-3xl) 0;
}

.button {
    display: inline-block;
    padding: var(--fh-space-md) var(--fh-space-2xl);
    background: var(--fh-navy);
    color: var(--fh-cream);
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 0.025em;
    border-radius: 2px;
    transition: background 0.2s ease;
}

.button:hover {
    background: var(--fh-gray-900);
    text-decoration: none;
}

.button--secondary {
    background: transparent;
    color: var(--fh-navy);
    border: 1px solid var(--fh-navy);
}

.button--secondary:hover {
    background: var(--fh-navy);
    color: var(--fh-cream);
}

/* Control buttons (treasury page) */
.control-btn {
    margin-left: auto;
    padding: var(--fh-space-xs) var(--fh-space-md);
    background: var(--fh-navy);
    color: var(--fh-white);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.control-btn:hover {
    background: var(--fh-navy-dark);
    transform: translateY(-1px);
}

/* ============================================
   Quote Block
   ============================================ */
.quote {
    padding: var(--fh-space-2xl);
    border-left: 3px solid var(--fh-sage);
    margin: var(--fh-space-2xl) 0;
    font-style: italic;
    color: var(--fh-gray-700);
}

.quote__attribution {
    margin-top: var(--fh-space-md);
    font-size: 0.875rem;
    color: var(--fh-gray-600);
    font-style: normal;
}

.quote__note {
    font-size: 0.875rem;
    color: var(--fh-gray-500);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--fh-space-2xl) 0;
    text-align: center;
    border-top: 1px solid var(--fh-gray-200);
    background: var(--fh-white);
}

.footer__text {
    font-size: 0.875rem;
    color: var(--fh-gray-600);
    margin-bottom: var(--fh-space-xs);
}

.footer__disclaimer {
    font-size: 0.75rem;
    color: var(--fh-gray-500);
    font-style: italic;
}

.footer a {
    color: var(--fh-gray-600);
}

/* Footer with top margin (treasury page style) */
.footer--spaced {
    margin-top: var(--fh-space-4xl);
    padding-top: var(--fh-space-2xl);
    font-size: 0.9rem;
}

/* ============================================
   Lists with Styles
   ============================================ */
.list--styled {
    margin-left: var(--fh-space-xl);
    color: var(--fh-gray-700);
}

.list--styled li {
    margin-bottom: var(--fh-space-sm);
}

.list--styled strong {
    color: var(--fh-navy);
}

/* ============================================
   Visualization Sections (Treasury Page)
   ============================================ */
.viz-section {
    margin-bottom: var(--fh-space-4xl);
    padding: var(--fh-space-2xl);
    background: var(--fh-white);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.viz-container {
    min-height: 500px;
    margin-top: var(--fh-space-xl);
}

.viz-description {
    font-size: 0.95rem;
    color: var(--fh-gray-600);
    margin-top: var(--fh-space-md);
    font-style: italic;
}

/* ============================================
   Data Tables
   ============================================ */
.data-table {
    width: 100%;
    margin: var(--fh-space-2xl) 0;
    border-collapse: collapse;
    font-family: var(--fh-font-mono);
    font-size: 0.9rem;
}

.data-table th,
.data-table td {
    padding: var(--fh-space-md);
    text-align: left;
    border-bottom: 1px solid var(--fh-gray-200);
}

.data-table th {
    background: var(--fh-navy);
    color: var(--fh-white);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.85rem;
}

.data-table tr:hover {
    background: var(--fh-gray-100);
}

.data-table .amount {
    text-align: right;
    font-weight: 500;
}

.data-table .percentage {
    text-align: right;
    color: var(--fh-gray-600);
}

/* Enhanced table styles */
.data-table.enhanced {
    border-collapse: separate;
    border-spacing: 0;
}

.data-table.enhanced th {
    position: sticky;
    top: 0;
    z-index: 10;
}

/* Data legend */
.data-legend {
    display: flex;
    align-items: center;
    gap: var(--fh-space-xl);
    margin-bottom: var(--fh-space-lg);
    padding: var(--fh-space-md);
    background: var(--fh-gray-100);
    border-radius: 4px;
    font-size: 0.9rem;
}

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

/* Expandable rows */
.parent-row {
    background: var(--fh-gray-100);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.parent-row:hover {
    background: var(--fh-gray-200);
}

.parent-row.expanded {
    background: var(--fh-gray-300);
}

.child-row {
    background: var(--fh-white);
    font-size: 0.925rem;
    transition: all 0.3s ease;
}

.child-row.hidden {
    display: none;
}

.child-row td {
    border-left: 3px solid var(--fh-gray-200);
}

.child-row td:first-child {
    border-left: none;
}

.expand-icon {
    text-align: center;
    user-select: none;
    font-size: 0.9rem;
    color: var(--fh-gray-600);
}

.holder-name.indented {
    padding-left: 2rem;
    position: relative;
}

.holder-name.indented:before {
    content: '\2514\2500';
    position: absolute;
    left: 0.5rem;
    color: var(--fh-gray-400);
}

/* Status badges */
.status-badge {
    font-size: 0.75rem;
    margin-left: var(--fh-space-sm);
    display: inline-block;
}

.status-verified {
    color: var(--fh-status-positive);
}

.status-estimated {
    color: var(--fh-status-warning);
}

.source-note {
    font-size: 0.8rem;
    color: var(--fh-gray-600);
    font-style: italic;
}

/* YoY Change indicators */
.change {
    text-align: right;
    font-family: var(--fh-font-mono);
    font-size: 0.9rem;
}

.change.positive {
    color: var(--fh-status-positive);
}

.change.negative {
    color: var(--fh-status-negative);
}

.change.neutral {
    color: var(--fh-gray-500);
}

/* ============================================
   Insight Box (Treasury Page)
   ============================================ */
.insight-box {
    background: linear-gradient(135deg, var(--fh-navy) 0%, var(--fh-navy-dark) 100%);
    color: var(--fh-white);
    padding: var(--fh-space-2xl);
    border-radius: 8px;
    margin: var(--fh-space-2xl) 0;
}

.insight-box h3 {
    color: var(--fh-white);
    margin-bottom: var(--fh-space-lg);
}

.insight-box ul {
    list-style: none;
    padding: 0;
}

.insight-box li {
    padding-left: var(--fh-space-lg);
    margin-bottom: var(--fh-space-sm);
    position: relative;
}

.insight-box li:before {
    content: '\2192';
    position: absolute;
    left: 0;
    color: var(--fh-gold);
}

/* ============================================
   SIE Footnotes Section (Treasury Page)
   ============================================ */
.sie-footnotes {
    background: linear-gradient(135deg, var(--fh-note-bg-start) 0%, var(--fh-note-bg-end) 100%);
    border: 1px solid var(--fh-note-border-accent);
    border-radius: 8px;
    padding: var(--fh-space-2xl);
    margin: var(--fh-space-2xl) 0;
}

.sie-footnotes h3 {
    color: var(--fh-note-orange);
    margin-bottom: var(--fh-space-lg);
    border-bottom: 2px solid var(--fh-note-border-accent);
    padding-bottom: var(--fh-space-sm);
}

.sie-note {
    margin-bottom: var(--fh-space-lg);
    padding: var(--fh-space-md);
    background: var(--fh-white);
    border-left: 4px solid var(--fh-note-border);
    border-radius: 4px;
}

.sie-note-title {
    font-weight: 600;
    color: var(--fh-note-orange);
    margin-bottom: var(--fh-space-sm);
    display: flex;
    align-items: center;
    gap: var(--fh-space-sm);
}

.sie-note-content {
    color: var(--fh-gray-700);
    line-height: 1.6;
}

.sie-note-content strong {
    color: var(--fh-note-orange);
    font-weight: 600;
}

.footnote-ref {
    color: var(--fh-note-orange);
    font-weight: 600;
    cursor: help;
    font-size: 0.85rem;
}

/* ============================================
   Loading State
   ============================================ */
.loading {
    text-align: center;
    padding: var(--fh-space-2xl);
    color: var(--fh-gray-500);
}

.loading:after {
    content: '...';
    animation: dots 1.5s steps(5, end) infinite;
}

@keyframes dots {
    0%,
    20% {
        content: '.';
    }
    40% {
        content: '..';
    }
    60%,
    100% {
        content: '...';
    }
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 768px) {
    .nav {
        gap: var(--fh-space-md);
    }

    .philosophy-grid {
        grid-template-columns: 1fr;
    }

    .container--wide {
        padding: var(--fh-space-md);
    }

    .viz-section {
        padding: var(--fh-space-lg);
    }

    .nav--inline {
        flex-wrap: wrap;
        gap: var(--fh-space-md);
    }

    .data-table {
        font-size: 0.8rem;
    }

    .data-table th,
    .data-table td {
        padding: var(--fh-space-sm);
    }

    .data-legend {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--fh-space-sm);
    }
}