/* BlabSheet Frontend Styling ? PoC-inspired */

:root {
    --ink: #1a1a1a;
    --ink-light: #4a4a4a;
    --ink-muted: #6b7280;
    --accent: #3b82f6;
    --accent-soft: #93c5fd;
    --accent-hover: #2563eb;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --paper: #ffffff;
    --paper-light: #f8fafc;
    --paper-accent: #f1f5f9;
    --rule-dark: #e2e8f0;
    --rule-light: #f1f5f9;
    --hero-shadow: rgba(59, 130, 246, 0.1);
    --gradient-primary: linear-gradient(135deg, #8996d4 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --sports-color: #ef4444;
    --business-color: #10b981;
    --politics-color: #8b5cf6;
    --tech-color: #06b6d4;
    --entertainment-color: #f59e0b;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
    font-family: "Libre Baskerville", "Times New Roman", serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.6;
    font-size: 17px;
}

a { 
    color: var(--accent);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}
a:hover, a:focus { 
    color: var(--accent-hover);
    text-decoration: none;
}
a:hover::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: 1px;
}

img { display: block; max-width: 100%; height: auto; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 32px; }

.site-shell { min-height: 100vh; display: flex; flex-direction: column; }

/* Header */
.site-header {
    background: var(--gradient-primary);
    padding: 24px 0;
    position: relative;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.15);
    border-bottom: none;
}
.site-header::after {
    display: none;
}

.site-header__inner {
    display: grid;
    gap: 20px;
}

.site-header__branding {
    display: flex;
    align-items: center;
}

.site-header__logo {
    display: inline-flex;
    align-items: center;
    gap: 18px;
    text-decoration: none;
    color: white;
    transition: transform 0.3s ease;
}
.site-header__logo:hover, .site-header__logo:focus { 
    color: white;
    transform: scale(1.02);
}
.site-header__logo-image {
    border-radius: 12px;
    height: 80px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    object-fit: cover;
    flex-shrink: 0;
    display: block;
    background: white;
    border: 3px solid rgba(255, 255, 255, 0.2);
}
.site-header__identity {
    display: flex;
    flex-direction: column;
    gap: 6px;
    line-height: 1.05;
}
.site-header__logo-text {
    font-family: "Playfair Display", "Georgia", serif;
    font-size: 42px;
    font-weight: 700;
    line-height: 1;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.site-header__tagline {
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.site-header__middle {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
}

.site-header__nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.site-header__nav-item a { 
    color: rgba(255, 255, 255, 0.9);
    padding: 12px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}
.site-header__nav-item a:hover {
    color: white;
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    text-decoration: none;
}
.site-header__nav-item a[href*="sports"]:hover { background: var(--sports-color); }
.site-header__nav-item a[href*="business"]:hover { background: var(--business-color); }
.site-header__nav-item a[href*="politics"]:hover { background: var(--politics-color); }
.site-header__nav-item a[href*="technology"]:hover { background: var(--tech-color); }
.site-header__nav-item a[href*="entertainment"]:hover { background: var(--entertainment-color); }

.site-header__search {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.site-header__search input[type="search"] {
    padding: 8px 12px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    font-family: inherit;
    min-width: 160px;
    border-radius: 20px;
    color: white;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    font-size: 14px;
}
.site-header__search input[type="search"]:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.15);
}
.site-header__search input[type="search"]::placeholder {
    color: rgba(255, 255, 255, 0.7);
}
.site-header__search button {
    padding: 8px 16px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    font-size: 12px;
}
.site-header__search button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .site-header__inner { gap: 24px; }
    .site-header__middle { flex-direction: column; align-items: flex-start; }
    .site-header__search { margin-left: 0; }
    .site-header__nav-list { flex-wrap: wrap; gap: 16px; }
}

/* Layout */
.layout-root { flex: 1 1 auto; }
.layout-root.container { display: grid; grid-template-columns: minmax(0, 2.2fr) minmax(260px, 1fr); gap: 48px; padding-top: 48px; }
.layout-main { }
.layout-rail { display: grid; gap: 36px; align-content: start; }

@media (max-width: 960px) {
    .layout-root.container { grid-template-columns: 1fr; }
    .layout-rail { grid-template-columns: 1fr; order: 1; }
    #newsletter-root { order: 999; }
}

/* Hero */
.hero-block { background: var(--paper-light);  box-shadow: 0 18px 40px var(--hero-shadow); display: grid; gap: 28px; border: 1px solid var(--rule-light); }
#hero-root { color: var(--ink); }
#hero-root .story-card__title { color: var(--ink); }
#hero-root .story-card__excerpt { color: var(--ink-light); }
#hero-root .story-card__kicker { color: var(--ink-muted); }
.hero-block__primary { display: grid; gap: 24px; }
.hero-block__secondary { display: grid; gap: 18px; }

.story-card { 
    display: grid; 
    gap: 14px;
    padding: 20px;
    background: var(--paper);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-left: 4px solid var(--accent);
    position: relative;
    overflow: hidden;
}
.story-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}
.story-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.story-card:hover::before {
    opacity: 1;
}
.story-card__media { float: left; margin: 0 16px 12px 0; max-width: 275px; }
.story-card__kicker { font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-muted); margin: 0; }
.story-card__title { font-size: 22px; font-weight: 700; margin: 0; line-height: 1.3; color: var(--ink); }
.story-card__title a { color: inherit; }
.story-card__time {margin: 0px; font-weight: bold;}
.story-card__byline { font-size: 14px; color: var(--ink-muted); margin: 0; }
.story-card__excerpt { margin: 0; color: var(--ink-light); font-size: 16px; }

.story-card--hero .story-card__title { font-size: 42px; font-family: "Playfair Display", "Georgia", serif; }
.story-card--hero .story-card__excerpt { font-size: 18px; max-width: 78ch; }
.story-card--hero-secondary .story-card__title { font-size: 20px; }
.story-card--analysis .story-card__title { font-size: 20px; }
.story-card--compact .story-card__title { font-size: 18px; }

.story-grid { display: grid; gap: 20px; }
.story-grid--top { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.story-grid--analysis { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.story-stack { display: grid; gap: 28px; }

/* Sections */
.section-block { 
    background: var(--paper-light); 
    padding: 32px 36px; 
    border: none;
    border-radius: 16px;
    position: relative; 
    margin-bottom: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}
.section-block::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}
.section-block::after {
    display: none;
}
.section-block--sports::before { background: var(--sports-color); }
.section-block--business::before { background: var(--business-color); }
.section-block--politics::before { background: var(--politics-color); }
.section-block--technology::before { background: var(--tech-color); }
.section-block--entertainment::before { background: var(--entertainment-color); }
.section-block__header { margin-bottom: 28px; display: grid; gap: 6px; }
.section-block__eyebrow { margin: 0; letter-spacing: 0.18em; text-transform: uppercase; font-size: 13px; color: var(--ink-muted); }
.section-block__title { margin: 0; font-size: 28px; font-family: "Playfair Display", "Georgia", serif; }
.section-block__body { display: grid; gap: 24px; }
.section-block__title-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.section-block__view-more { font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); text-decoration: none; }
.section-block__view-more:hover { text-decoration: underline; }

/* Article detail */
.breadcrumbs { margin: 0 0 16px; font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-muted); display: flex; align-items: center; gap: 8px; }
.breadcrumbs__list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.breadcrumbs__item { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumbs__item::after { content: '›'; color: var(--ink-muted); font-size: 13px; }
.breadcrumbs__item:last-child::after { content: ''; }
.breadcrumbs__item a { color: inherit; text-transform: uppercase; font-weight: 600; letter-spacing: 0.12em; }

.section-block--breadcrumbs { padding: 8px 36px; max-height: 36px; overflow: hidden; }
.section-block--breadcrumbs::before, .section-block--breadcrumbs::after { display: none; }
.section-block--breadcrumbs .section-block__body { margin: 0; }
.section-block--breadcrumbs .section-block__header { display: none; }

.story-article { background: var(--paper-light); border: 1px solid var(--rule-light); padding: 40px 48px; display: grid; gap: 32px; box-shadow: 0 18px 40px var(--hero-shadow); }
.story-article__header { display: grid; gap: 16px; }
.story-article__title { margin: 0; font-size: 30px; line-height: 1.1; font-family: "Playfair Display", "Georgia", serif; }
.story-article__meta { display: flex; flex-wrap: wrap; gap: 16px; font-size: 14px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); }
.story-article__body { display: grid; gap: 20px; font-size: 18px; color: var(--ink-light); }
.story-article__body p { margin: 0; }
.story-article__footer { border-top: 1px solid var(--rule-light); padding-top: 24px; display: grid; gap: 24px; }
.story-article__section-title { margin: 0; font-size: 14px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-muted); }
.story-article__sources, .story-article__tags { display: grid; gap: 12px; }
.story-article__source-list, .story-article__tag-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.story-article__source-item a { 
    color: var(--accent); 
    word-break: break-all;
    overflow-wrap: break-word;
}
.story-article__tag-list { display: flex; flex-wrap: wrap; gap: 10px; }
.story-article__tag { padding: 6px 14px; border: 1px solid var(--rule-light); background: var(--paper); font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink); }

@media (max-width: 768px) {
    .story-article { padding: 28px 24px; }
    .story-article__title { font-size: 32px; }
}

/* Rail */
.rail-module { 
    background: var(--paper);
    padding: 24px 28px;
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}
.rail-module::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
}
.rail-module__title { margin: 0 0 20px; text-transform: uppercase; letter-spacing: 0.18em; font-size: 14px; color: var(--ink-muted); }
.rail-module__body { display: grid; gap: 14px; }

.trending-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.trending-list__item { display: grid; grid-template-columns: 24px 1fr; gap: 12px; font-size: 15px; color: var(--ink); }
.trending-list__rank { font-weight: 700; color: var(--accent); }

.newsletter-form { display: grid; gap: 12px; }
.newsletter-form__label { font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted); }
.newsletter-form__input { padding: 10px 12px; border: 1px solid var(--rule-light); background: var(--paper); }
.newsletter-form__submit { 
    padding: 12px 24px;
    border: none;
    background: var(--gradient-primary);
    color: white;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 13px;
    cursor: pointer;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}
.newsletter-form__submit:hover { 
    background: var(--gradient-accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.scoreboard { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; font-size: 14px; }
.scoreboard__item { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 12px; }
.scoreboard__status { color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.08em; }

/* Footer */
.site-footer { margin-top: 80px; background: var(--paper-light); padding: 28px 0 40px; border-top: 6px double var(--rule-dark); position: relative; }
.site-footer::after { content: ""; position: absolute; left: 0; right: 0; top: -14px; border-top: 1px solid var(--rule-light); }
.site-footer__copy { margin: 0; text-align: center; font-size: 14px; letter-spacing: 0.06em; color: var(--ink-muted); }

/* General typography */
h1, h2, h3, h4 { font-family: "Playfair Display", "Georgia", serif; color: var(--ink); margin: 0; }

/* Utilities */
.hr { border-top: 1px solid var(--rule-light); }

@media (max-width: 640px) {
    body { font-size: 16px; }
    .hero-block { 
        padding: 32px 20px;
        border-radius: 12px;
        margin: 0 8px;
    }
    .story-card--hero .story-card__title { font-size: 28px; }
    .section-block { 
        padding: 24px 20px;
        border-radius: 12px;
        margin: 0 8px 16px;
    }
    .section-block::before { height: 3px; }
    .section-block__title-row { flex-direction: column; align-items: flex-start; gap: 6px; }
    .container { padding: 0 8px; }
    .layout-root.container { gap: 20px; padding: 0 8px; }
    .story-article { padding: 24px 20px; }
    .site-header { padding: 20px 0; }
    .site-header__inner { gap: 16px; }
    .site-header__logo-text { font-size: 32px; }
    .site-header__logo-image { height: 60px; }
    .site-header__nav-list { 
        gap: 4px;
        flex-wrap: wrap;
    }
    .site-header__nav-item a {
        padding: 8px 12px;
        font-size: 12px;
    }
    .story-card {
        padding: 16px;
        border-radius: 8px;
    }
    .rail-module {
        padding: 20px;
        border-radius: 8px;
    }
}

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

/* Modern Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.story-card {
    animation: fadeInUp 0.6s ease-out;
}

.story-card:nth-child(1) { animation-delay: 0.1s; }
.story-card:nth-child(2) { animation-delay: 0.2s; }
.story-card:nth-child(3) { animation-delay: 0.3s; }
.story-card:nth-child(4) { animation-delay: 0.4s; }

.section-block {
    animation: fadeInUp 0.8s ease-out;
}

/* Loading states */
.loading {
    animation: pulse 2s infinite;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus states for accessibility */
*:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}


.story-article__source-list.is-collapsed .story-article__source-item--hidden {
    display: none;
}

.story-article__source-toggle {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-weight: 600;
    padding: 0;
}

.story-article__source-toggle:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}