/* diplomacy.quest - Treaty document styling */

:root {
    /* Monochrome scale - Parchment White to True Black */
    --parchment-white: #FAFAFA;
    --cloud-white: #F0F0F0;
    --ash: #D4D4D4;
    --smoke: #888888;
    --graphite: #555555;
    --charcoal: #333333;
    --obsidian: #1A1A1A;
    --void: #0A0A0A;
    --true-black: #000000;
    --pure-white: #FFFFFF;
    --body-ink: #2B2B2B;
    --highlight-bg: #F5F5F5;

    /* Semantic assignments */
    --bg-page: var(--parchment-white);
    --bg-elevated: var(--cloud-white);
    --border-light: var(--ash);
    --text-tertiary: var(--smoke);
    --text-secondary: var(--graphite);
    --divider-primary: var(--charcoal);
    --text-primary: var(--obsidian);
    --text-anchor: var(--void);
    --interaction-accent: var(--true-black);

    --column-width: 720px;

    --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-page: #0A0A0A;
        --bg-elevated: #1F1F1F;
        --border-light: #444444;
        --text-tertiary: #888888;
        --text-secondary: #AAAAAA;
        --divider-primary: #CCCCCC;
        --text-primary: #E5E5E5;
        --text-anchor: #FFFFFF;
        --interaction-accent: #FFFFFF;
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: auto;
}

body {
    background-color: var(--bg-page);
    color: var(--body-ink);
    font-family: var(--font-body);
    font-size: clamp(1rem, 1.8vw, 1.125rem);
    line-height: 1.7;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Corner Marks - L-shaped accents framing the document */
.corner-mark {
    position: fixed;
    width: 16px;
    height: 16px;
    pointer-events: none;
    z-index: 10;
}

.corner-mark.corner-tl {
    top: 1.5rem;
    left: 1.5rem;
    border-top: 1px solid var(--border-light);
    border-left: 1px solid var(--border-light);
}

.corner-mark.corner-br {
    bottom: 1.5rem;
    right: 1.5rem;
    border-bottom: 1px solid var(--border-light);
    border-right: 1px solid var(--border-light);
}

/* Document - the central column */
.document {
    max-width: var(--column-width);
    margin: 0 auto;
    padding-left: max(calc((100vw - var(--column-width)) / 2), 2rem);
    padding-right: max(calc((100vw - var(--column-width)) / 2), 2rem);
    padding-top: 6rem;
    padding-bottom: 6rem;
    box-sizing: content-box;
}

/* Articles - structural sections */
.article {
    width: 100%;
}

.article-label {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: 1.5rem;
}

/* Article I - Overture */
.article-i {
    min-height: 40vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 5.5rem);
    letter-spacing: -0.02em;
    font-weight: 700;
    color: var(--text-anchor);
    line-height: 1;
    margin-bottom: 2rem;
    text-transform: none;
}

.thesis {
    font-family: var(--font-body);
    font-size: clamp(1.05rem, 1.9vw, 1.2rem);
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 36ch;
    font-weight: 400;
}

/* Section headings (h2) */
.article-heading {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 2rem);
    letter-spacing: 0.08em;
    font-weight: 500;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 2.5rem;
    position: relative;
    padding-top: 2rem;
}

/* Section Chevron - downward pointing 45-degree angle */
.article-heading::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 24px;
    height: 12px;
    border-left: 1px solid var(--divider-primary);
    border-bottom: 1px solid var(--divider-primary);
    transform: skewX(-45deg) rotate(0deg);
}

/* Override with cleaner CSS chevron */
.article-heading::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    border-left: none;
    border-bottom: none;
}

/* Use background and clip-path style chevron via two pseudo-elements */
.article-heading {
    display: block;
}

.chevron {
    display: inline-block;
    width: 24px;
    height: 12px;
    margin-bottom: 1.25rem;
    position: relative;
}

/* Replace pseudo-element approach: use SVG-like CSS transformation */
.article-heading::before {
    content: "";
    display: block;
    width: 24px;
    height: 12px;
    margin-bottom: 1rem;
    position: absolute;
    top: -16px;
    left: 0;
    background:
        linear-gradient(135deg, transparent calc(50% - 0.5px), var(--divider-primary) calc(50% - 0.5px), var(--divider-primary) calc(50% + 0.5px), transparent calc(50% + 0.5px)) 0 0 / 12px 12px no-repeat,
        linear-gradient(45deg, transparent calc(50% - 0.5px), var(--divider-primary) calc(50% - 0.5px), var(--divider-primary) calc(50% + 0.5px), transparent calc(50% + 0.5px)) 12px 0 / 12px 12px no-repeat;
}

/* Article II - Declaration paragraphs */
.article-ii p {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: clamp(1rem, 1.8vw, 1.125rem);
    line-height: 1.7;
}

.article-ii p:last-child {
    margin-bottom: 0;
}

mark {
    background: var(--bg-elevated);
    color: var(--interaction-accent);
    font-weight: 600;
    padding: 0.1em 0.25em;
    -webkit-box-decoration-break: clone;
    box-decoration-break: clone;
    border-radius: 0;
}

/* Article III - Evidence definition list */
.evidence-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.evidence-item {
    padding: 1rem 1rem 1rem 0;
    margin: 0;
    transform: scale(1);
    transform-origin: left center;
    transition: transform 300ms cubic-bezier(0.25, 0.46, 0.45, 0.94),
                background-color 300ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    cursor: default;
    border-left: 0px solid transparent;
}

.evidence-item:hover {
    transform: scale(1.02);
}

.evidence-term {
    font-family: var(--font-display);
    font-size: 0.95rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 500;
    color: var(--divider-primary);
    margin-bottom: 0.75rem;
    transition: color 300ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: block;
}

.evidence-item:hover .evidence-term {
    color: var(--interaction-accent);
}

.evidence-description {
    font-family: var(--font-body);
    font-size: clamp(1rem, 1.7vw, 1.0625rem);
    line-height: 1.7;
    color: var(--text-primary);
    margin: 0;
}

.slash-separator {
    display: block;
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--text-tertiary);
    text-align: left;
    padding: 0.75rem 0;
    line-height: 1;
    user-select: none;
    transform: translateX(0);
}

/* Article IV - Accord blockquote */
.accord-quote {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 2rem);
    line-height: 1.45;
    font-weight: 500;
    letter-spacing: -0.005em;
    color: var(--obsidian);
    background-color: var(--bg-page);
    border-left: 3px solid var(--interaction-accent);
    padding: 1rem 0 1rem 1.75rem;
    margin: 0 0 1.5rem 0;
    transform: scale(1);
    transform-origin: left center;
    transition: transform 250ms ease-out, border-left-width 250ms ease-out, padding-left 250ms ease-out;
    cursor: default;
}

.accord-quote:hover {
    transform: scale(1.01);
    border-left-width: 4px;
    padding-left: 1.6875rem;
}

@media (prefers-color-scheme: dark) {
    .accord-quote {
        color: var(--text-primary);
    }
}

.accord-attribution {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    padding-left: 1.75rem;
}

/* Article V - Seal */
.article-v {
    padding-top: 2rem;
}

.seal-line {
    color: var(--text-secondary);
    font-size: clamp(0.95rem, 1.6vw, 1.0625rem);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.seal-rule {
    width: 30%;
    height: 1px;
    background-color: var(--border-light);
    border: none;
    margin: 0 0 2rem 0;
}

.copyright {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-tertiary);
}

/* Horizontal rule - ceremonial divider between articles */
.rule {
    border: none;
    height: 1px;
    width: 0;
    background-color: var(--divider-primary);
    margin: 6rem 0;
    display: block;
    transition: width 600ms cubic-bezier(0.22, 1, 0.36, 1);
    transform-origin: left center;
}

.rule.is-visible {
    width: 60%;
}

/* Reduced motion - reveal rules without animation */
@media (prefers-reduced-motion: reduce) {
    .rule {
        width: 60%;
        transition: none;
    }
    .evidence-item,
    .evidence-term,
    .accord-quote {
        transition: none;
    }
}

/* Responsive adjustments */
@media (max-width: 720px) {
    .document {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
        padding-top: 4rem;
        padding-bottom: 4rem;
    }

    .rule {
        margin: 4.5rem 0;
    }

    .article-i {
        min-height: 35vh;
    }

    .corner-mark {
        width: 12px;
        height: 12px;
    }

    .corner-mark.corner-tl {
        top: 1rem;
        left: 1rem;
    }

    .corner-mark.corner-br {
        bottom: 1rem;
        right: 1rem;
    }
}

/* Selection styling - keep monochrome */
::selection {
    background-color: var(--interaction-accent);
    color: var(--bg-page);
}