/* thethree-tokens.css - Design system for The Three news magazine */

/* ========== FONT IMPORTS ========== */

/* Recoleta - Title font */
@font-face {
    font-family: 'Recoleta';
    src: url('/fonts/Recoleta-Regular.woff2') format('woff2'),
         url('/fonts/Recoleta-Regular.woff') format('woff');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

/* EB Garamond - Content font */
@font-face {
    font-family: 'EB Garamond';
    src: url('/fonts/EBGaramond-Regular.woff2') format('woff2'),
         url('/fonts/EBGaramond-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'EB Garamond';
    src: url('/fonts/EBGaramond-Italic.woff2') format('woff2'),
         url('/fonts/EBGaramond-Italic.woff') format('woff');
    font-weight: 400;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: 'EB Garamond';
    src: url('/fonts/EBGaramond-Medium.woff2') format('woff2'),
         url('/fonts/EBGaramond-Medium.woff') format('woff');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'EB Garamond';
    src: url('/fonts/EBGaramond-SemiBold.woff2') format('woff2'),
         url('/fonts/EBGaramond-SemiBold.woff') format('woff');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'EB Garamond';
    src: url('/fonts/EBGaramond-Bold.woff2') format('woff2'),
         url('/fonts/EBGaramond-Bold.woff') format('woff');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* PT Sans - UI/Sans-serif font */
@font-face {
    font-family: 'PT Sans';
    src: url('/fonts/PTSans-Regular.woff2') format('woff2'),
         url('/fonts/PTSans-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'PT Sans';
    src: url('/fonts/PTSans-Italic.woff2') format('woff2'),
         url('/fonts/PTSans-Italic.woff') format('woff');
    font-weight: 400;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: 'PT Sans';
    src: url('/fonts/PTSans-Bold.woff2') format('woff2'),
         url('/fonts/PTSans-Bold.woff') format('woff');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'PT Sans';
    src: url('/fonts/PTSans-BoldItalic.woff2') format('woff2'),
         url('/fonts/PTSans-BoldItalic.woff') format('woff');
    font-weight: 700;
    font-style: italic;
    font-display: swap;
}

/* OpenDyslexic - Accessibility font */
@font-face {
    font-family: 'OpenDyslexic';
    src: url('https://cdn.jsdelivr.net/npm/open-dyslexic@1.0.3/ttf/OpenDyslexic-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'OpenDyslexic';
    src: url('https://cdn.jsdelivr.net/npm/open-dyslexic@1.0.3/ttf/OpenDyslexic-Italic.ttf') format('truetype');
    font-weight: normal;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: 'OpenDyslexic';
    src: url('https://cdn.jsdelivr.net/npm/open-dyslexic@1.0.3/ttf/OpenDyslexic-Bold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}

/* ========== BASE DESIGN TOKENS ========== */
:root {
    /* The Three Color Palette - Light Theme Base */
    --tt-cream: #F8F3EE;
    --tt-cream-warm: #F4E9DE;
    --tt-text-dark: #49372B;
    --tt-text-dark-muted: #6B584A;
    --tt-accent: #C1A48F;
    --tt-accent-hover: #A8876E;
    --tt-block: #E0D9D3;
    --tt-block-alt: #D4CBC4;
    
    /* Dark Theme Base Colors */
    --tt-slate: #68625F;
    --tt-slate-dark: #54504B;
    --tt-text-light: #F8ECE5;
    --tt-text-light-muted: #D9CFC8;
    --tt-block-dark: #53423775;
    --tt-block-dark-alt: #453529;
    
    /* Graph/Chart Colors */
    --tt-graph-1: #BBB4B0;
    --tt-graph-2: #AE8F78;
    --tt-graph-3: #68625F;
    --tt-graph-4: #C1A48F;
    --tt-graph-5: #49372B;
    
    /* Utility Colors */
    --tt-white: #FFFFFF;
    --tt-error: #C25A4A;
    --tt-success: #5A8C6E;
    --tt-warning: #D4A84B;
    --tt-info: #5A7A8C;
    
    /* Typography */
    --font-title: 'Recoleta', Georgia, serif;
    --font-prose: 'EB Garamond', Georgia, serif;
    --font-ui: 'PT Sans', system-ui, sans-serif;
    
    /* Spacing Scale */
    --spacing-0: 0;
    --spacing-1: 0.25rem;   /* 4px */
    --spacing-2: 0.5rem;    /* 8px */
    --spacing-3: 0.75rem;   /* 12px */
    --spacing-4: 1rem;      /* 16px */
    --spacing-5: 1.25rem;   /* 20px */
    --spacing-6: 1.5rem;    /* 24px */
    --spacing-8: 2rem;      /* 32px */
    --spacing-10: 2.5rem;   /* 40px */
    --spacing-12: 3rem;     /* 48px */
    --spacing-16: 4rem;     /* 64px */
    --spacing-20: 5rem;     /* 80px */
    --spacing-24: 6rem;     /* 96px */
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-2xl: 16px;
    --radius-button: 6px;
    --radius-card: 12px;
    --radius-full: 9999px;
    
    /* Layout */
    --container-width: 1200px;
    --content-width: 680px;
    --breakout-width: 950px;
    --container-padding: 1rem;
    --section-spacing: 4rem;
    
    /* Animation */
    --transition-fast: 0.15s;
    --transition-base: 0.25s;
    --transition-slow: 0.4s;
    --transition-ease: ease-in-out;
    --transition-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(73, 55, 43, 0.05);
    --shadow-md: 0 4px 6px rgba(73, 55, 43, 0.07);
    --shadow-lg: 0 10px 15px rgba(73, 55, 43, 0.1);
    --shadow-xl: 0 20px 25px rgba(73, 55, 43, 0.12);
    
    /* ========== SEMANTIC VARIABLES - Light Theme (Default) ========== */
    --bg-color: var(--tt-cream);
    --bg-gradient: linear-gradient(180deg, rgba(248, 243, 238, 1) 0%, rgba(244, 233, 222, 1) 65%, rgba(248, 243, 238, 1) 100%);
    --bg-alt: var(--tt-cream-warm);
    --text-color: var(--tt-text-dark);
    --text-muted: var(--tt-text-dark-muted);
    --accent-color: var(--tt-accent);
    --accent-hover: var(--tt-accent-hover);
    --block-color: var(--tt-block);
    --block-alt: var(--tt-block-alt);
    --border-color: var(--tt-block);
    --link-color: var(--tt-text-dark);
    --link-hover-color: var(--tt-accent-hover);
    --link-bg: var(--tt-block);
    --link-hover-bg: var(--tt-accent);
    --shadow-color: rgba(73, 55, 43, 0.1);
    --shadow-color-darker: rgba(73, 55, 43, 0.18);
    --overlay-bg: rgba(73, 55, 43, 0.5);
}

/* ========== DARK THEME ========== */
[data-theme="dark"] {
    --bg-color: var(--tt-slate);
    --bg-gradient: linear-gradient(180deg, rgba(104, 98, 95, 1) 0%, rgba(84, 80, 75, 1) 65%, rgba(104, 98, 95, 1) 100%);
    --bg-alt: var(--tt-slate-dark);
    --text-color: var(--tt-text-light);
    --text-muted: var(--tt-text-light-muted);
    --accent-color: var(--tt-accent);
    --accent-hover: var(--tt-cream);
    --block-color: var(--tt-block-dark);
    --block-alt: var(--tt-block-dark-alt);
    --border-color: var(--tt-block-dark);
    --link-color: var(--tt-text-light);
    --link-hover-color: var(--tt-cream);
    --link-bg: var(--tt-block-dark);
    --link-hover-bg: var(--tt-accent);
    --shadow-color: rgba(0, 0, 0, 0.25);
    --shadow-color-darker: rgba(0, 0, 0, 0.4);
    --overlay-bg: rgba(0, 0, 0, 0.6);
    
    /* Dark theme shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.25);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.3);
}

/* ========== FONT MODE VARIATIONS ========== */

/* System fonts mode */
[data-font-mode="system"] {
    --font-title: Georgia, 'Times New Roman', serif;
    --font-prose: Georgia, 'Times New Roman', serif;
    --font-ui: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Dyslexic fonts mode */
[data-font-mode="dyslexic"] {
    --font-title: 'OpenDyslexic', sans-serif;
    --font-prose: 'OpenDyslexic', sans-serif;
    --font-ui: 'OpenDyslexic', sans-serif;
}

[data-font-mode="dyslexic"] body {
    letter-spacing: 0.03em;
}

[data-font-mode="dyslexic"] p,
[data-font-mode="dyslexic"] article {
    line-height: 1.9;
    word-spacing: 0.1em;
}

/* ========== THEME-AWARE IMAGES ========== */
.theme-aware-image {
    position: relative;
}

.light-image,
.dark-image {
    display: block;
    width: 100%;
    height: auto;
}

.light-image {
    display: block;
}

.dark-image {
    display: none;
}

[data-theme="dark"] .light-image {
    display: none;
}

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

/* ========== BASE STYLES ========== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg-gradient);
    background-color: var(--bg-color);
    background-attachment: fixed;
    font-family: var(--font-prose);
    font-size: 1rem;
    color: var(--text-color);
    font-weight: 400;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    transition: 
        background-color var(--transition-base) var(--transition-ease),
        color var(--transition-base) var(--transition-ease);
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-title);
    color: var(--text-color);
    font-weight: 500;
    line-height: 1.2;
    margin: 0 0 var(--spacing-4) 0;
}

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

h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-ui);
    font-weight: 700;
}

p {
    font-family: var(--font-prose);
    font-size: 1.125rem;
    line-height: 1.7;
    margin: 0 0 var(--spacing-4) 0;
    color: var(--text-color);
}

.lead {
    font-size: 1.375rem;
    line-height: 1.6;
    color: var(--text-muted);
}

small, .small {
    font-size: 0.875rem;
}

.caption {
    font-family: var(--font-ui);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ========== LINKS ========== */
a {
    color: var(--accent-color);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    transition: all var(--transition-fast) var(--transition-ease);
}

a:hover,
a:focus {
    color: var(--link-hover-color);
    text-decoration-thickness: 2px;
}

/* Button-style links */
.link-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--link-color);
    background-color: var(--link-bg);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-button);
    text-decoration: none;
    transition: all var(--transition-base) var(--transition-ease);
}

.link-button:hover,
.link-button:focus {
    color: var(--tt-white);
    background-color: var(--link-hover-bg);
    text-decoration: none;
}

/* Nav links */
.nav-link {
    font-family: var(--font-ui);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast) var(--transition-ease);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--accent-color);
    background-color: var(--block-color);
}

/* ========== TAGS ========== */
.tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: var(--spacing-1) var(--spacing-3);
    margin: var(--spacing-1);
    color: var(--accent-color);
    background-color: var(--block-color);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: all var(--transition-fast) var(--transition-ease);
}

a.tag:hover,
a.tag:focus {
    color: var(--tt-white);
    background-color: var(--accent-color);
    text-decoration: none;
}

/* Category tags */
.tag--category {
    background-color: var(--accent-color);
    color: var(--tt-white);
}

a.tag--category:hover,
a.tag--category:focus {
    background-color: var(--accent-hover);
}

/* ========== FOOTNOTES/ENDNOTES ========== */
.footnote-ref,
a.footnote-ref {
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.75em;
    vertical-align: super;
    line-height: 0;
    padding: 0 0.1em;
    transition: color var(--transition-fast) var(--transition-ease);
}

.footnote-ref:hover,
a.footnote-ref:hover {
    color: var(--accent-hover);
}

.footnote-content {
    scroll-margin-top: 6rem;
    font-size: 0.9375rem;
    color: var(--text-muted);
    padding-left: var(--spacing-4);
    border-left: 2px solid var(--block-color);
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    font-family: var(--font-ui);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1;
    padding: var(--spacing-3) var(--spacing-5);
    border: 2px solid transparent;
    border-radius: var(--radius-button);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-base) var(--transition-ease);
}

.btn--primary {
    color: var(--tt-white);
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.btn--primary:hover,
.btn--primary:focus {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
}

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

.btn--secondary:hover,
.btn--secondary:focus {
    background-color: var(--block-color);
    border-color: var(--block-alt);
}

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

.btn--ghost:hover,
.btn--ghost:focus {
    background-color: var(--block-color);
}

/* ========== CARDS ========== */
.card {
    background-color: var(--bg-color);
    border-radius: var(--radius-card);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-md);
    transition: 
        box-shadow var(--transition-base) var(--transition-ease),
        transform var(--transition-base) var(--transition-ease);
}

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

.card--interactive:hover {
    transform: translateY(-2px);
}

.card--flat {
    background-color: var(--block-color);
    box-shadow: none;
}

/* ========== LAYOUT STRUCTURE ========== */
.content-grid {
    --padding-inline: 1rem;
    --content-max-width: 680px;
    --breakout-max-width: 950px;
    --breakout-size: calc((var(--breakout-max-width) - var(--content-max-width)) / 2);
    
    display: grid;
    grid-template-columns:
        [full-width-start] minmax(var(--padding-inline), 1fr)
        [breakout-start] minmax(0, var(--breakout-size))
        [content-start] min(100% - (var(--padding-inline) * 2), var(--content-max-width))
        [content-end]
        minmax(0, var(--breakout-size)) [breakout-end]
        minmax(var(--padding-inline), 1fr) [full-width-end];
}

.content-grid > :not(.breakout, .full-width),
.full-width > :not(.breakout, .full-width) {
    grid-column: content;
}

.content-grid > .breakout {
    grid-column: breakout;
}

.content-grid > .full-width {
    grid-column: full-width;
    display: grid;
    grid-template-columns: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.container--narrow {
    max-width: var(--content-width);
}

/* ========== BLOCKQUOTES ========== */
blockquote {
    font-family: var(--font-prose);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--text-muted);
    margin: var(--spacing-8) 0;
    padding: var(--spacing-4) var(--spacing-6);
    border-left: 3px solid var(--accent-color);
    background-color: var(--block-color);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

blockquote cite {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-style: normal;
    margin-top: var(--spacing-3);
    color: var(--accent-color);
}

blockquote cite::before {
    content: "— ";
}

/* ========== PULL QUOTES ========== */
.pullquote {
    font-family: var(--font-title);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 500;
    line-height: 1.3;
    color: var(--accent-color);
    text-align: center;
    margin: var(--spacing-10) 0;
    padding: var(--spacing-6);
}

/* ========== DIVIDERS ========== */
hr {
    border: none;
    height: 1px;
    background-color: var(--block-color);
    margin: var(--spacing-8) 0;
}

.divider--accent {
    height: 2px;
    background-color: var(--accent-color);
    max-width: 60px;
}

.divider--ornament {
    height: auto;
    background: none;
    text-align: center;
    color: var(--accent-color);
}

.divider--ornament::before {
    content: "◆ ◆ ◆";
    font-size: 0.75rem;
    letter-spacing: 0.5em;
}

/* ========== FIGURES & IMAGES ========== */
figure {
    margin: var(--spacing-8) 0;
}

figure img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
}

figcaption {
    font-family: var(--font-ui);
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: var(--spacing-3);
}

/* ========== ARTICLE STYLES ========== */
article {
    padding-top: var(--spacing-12);
    padding-bottom: var(--spacing-12);
}

.article-header {
    text-align: center;
    margin-bottom: var(--spacing-10);
}

.article-meta {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-4);
}

.article-title {
    margin-bottom: var(--spacing-4);
}

.article-subtitle {
    font-family: var(--font-prose);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: var(--spacing-6);
}

.byline {
    font-family: var(--font-ui);
    font-size: 0.9375rem;
    color: var(--text-color);
}

.byline a {
    color: var(--accent-color);
    font-weight: 600;
}

/* ========== DROP CAPS ========== */
.drop-cap::first-letter {
    font-family: var(--font-title);
    float: left;
    font-size: 4em;
    line-height: 0.8;
    padding-right: 0.1em;
    color: var(--accent-color);
}

/* ========== LISTS ========== */
ul, ol {
    margin: 0 0 var(--spacing-4) 0;
    padding-left: var(--spacing-6);
}

li {
    margin-bottom: var(--spacing-2);
}

/* ========== TABLES ========== */
table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-6) 0;
    font-family: var(--font-ui);
    font-size: 0.9375rem;
}

th, td {
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--block-color);
}

th {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    color: var(--text-muted);
}

tr:hover {
    background-color: var(--block-color);
}

/* ========== FORMS ========== */
input,
textarea,
select {
    font-family: var(--font-ui);
    font-size: 1rem;
    color: var(--text-color);
    background-color: var(--bg-color);
    border: 1px solid var(--block-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-3) var(--spacing-4);
    width: 100%;
    transition: 
        border-color var(--transition-fast) var(--transition-ease),
        box-shadow var(--transition-fast) var(--transition-ease);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(193, 164, 143, 0.2);
}

label {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-color);
    display: block;
    margin-bottom: var(--spacing-2);
}

/* ========== UTILITY CLASSES ========== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

.font-title { font-family: var(--font-title); }
.font-prose { font-family: var(--font-prose); }
.font-ui { font-family: var(--font-ui); }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: var(--spacing-4); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mt-8 { margin-top: var(--spacing-8); }
.mb-8 { margin-bottom: var(--spacing-8); }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========== RESPONSIVE BREAKPOINTS ========== */
@media (max-width: 768px) {
    :root {
        --container-padding: 1.25rem;
    }
    
    .content-grid {
        --padding-inline: 1.25rem;
    }
    
    p {
        font-size: 1.0625rem;
    }
    
    blockquote {
        font-size: 1.125rem;
        padding: var(--spacing-3) var(--spacing-4);
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .content-grid {
        --padding-inline: 1rem;
    }
}

/* ========== PRINT STYLES ========== */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .no-print {
        display: none !important;
    }
    
    a {
        color: inherit;
        text-decoration: underline;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}