/* ===================================
   NEWS BROADCAST - DESIGN SYSTEM
   Minimalist, Functional, Serious
   =================================== */

:root {
    --news-bg: #F5F5F0;
    /* Blanco hueso / Off-white for less visual fatigue */
    --news-surface: #FFFFFF;
    --news-text-main: #1A1A1A;
    /* Near black for high contrast readability */
    --news-text-muted: #4A4A4A;
    --news-accent: #2D1B4E;
    /* Brand purple */
    --news-gold: #D4AF37;
    /* Brand gold */
    --news-border: rgba(45, 27, 78, 0.15);

    --font-heading: 'Cinzel', serif;
    --font-body: 'Inter', sans-serif;
    --font-meta: 'Courier New', Courier, monospace;
}

body.news-body {
    background-color: var(--news-bg);
    color: var(--news-text-main);
    font-family: var(--font-body);
    padding: 0;
    margin: 0;
    padding-top: 40px;
    /* Space for ticker */
}

/* --- Ticker Broadcast --- */
.news-ticker {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 40px;
    background-color: var(--news-text-main);
    color: var(--news-bg);
    display: flex;
    align-items: center;
    overflow: hidden;
    z-index: 1000;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--news-gold);
}

.ticker-content {
    display: flex;
    white-space: nowrap;
    animation: ticker 40s linear infinite;
}

.ticker-content:hover {
    animation-play-state: paused;
}

.ticker-item {
    margin: 0 10px;
}

.ticker-tag {
    color: var(--news-gold);
    font-weight: 700;
    margin-right: 8px;
}

.ticker-sep {
    color: var(--news-bg);
    opacity: 0.5;
    margin: 0 20px;
}

@keyframes ticker {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* --- Header Section --- */
.news-header {
    padding: 3rem 1.5rem 2rem;
    border-bottom: 1px solid var(--news-border);
    background-color: var(--news-bg);
}

.news-nav-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.return-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--news-text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
}

.return-btn:hover {
    color: var(--news-accent);
}

.logo-mini img {
    height: 120px;
    opacity: 0.9;
}

.date-display {
    font-family: var(--font-meta);
    color: var(--news-text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.news-title-container {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.news-main-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--news-accent);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.news-subtitle {
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--news-text-muted);
    line-height: 1.6;
    font-weight: 400;
}

.news-filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto 1.5rem;
}

.refresh-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--news-accent);
    color: var(--news-bg);
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.refresh-btn:hover {
    background: var(--news-gold);
    color: var(--news-text-main);
    transform: translateY(-1px);
}

.refresh-btn svg {
    transition: transform 0.5s ease;
}

.refresh-btn.spin svg {
    animation: spinButton 1s linear infinite;
}

@keyframes spinButton {
    100% {
        transform: rotate(360deg);
    }
}

.news-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 12px;
    max-width: 1000px;
    margin: 0 auto;
}

.filter-label {
    font-family: var(--font-meta);
    font-size: 0.8rem;
    color: var(--news-text-muted);
    text-transform: uppercase;
    margin-right: 12px;
}

/* --- 3-Column Broadcast Zone --- */
.broadcast-zone {
    display: grid;
    grid-template-columns: 280px 1fr 280px;
    gap: 20px;
    max-width: 1600px;
    margin: 1.5rem auto 0;
    padding: 0 2rem;
    align-items: start;
}

/* --- Side Feed (Vertical Carousel) --- */
.side-feed {
    height: 560px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--news-border);
    border-radius: 4px;
    background: var(--news-surface);
}

/* Fade mask top and bottom */
.side-feed::before,
.side-feed::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 48px;
    z-index: 2;
    pointer-events: none;
}

.side-feed::before {
    top: 0;
    background: linear-gradient(to bottom, var(--news-surface), transparent);
}

.side-feed::after {
    bottom: 0;
    background: linear-gradient(to top, var(--news-surface), transparent);
}

.side-feed-track {
    display: flex;
    flex-direction: column;
    animation: sideFeedScroll 40s linear infinite;
}

.side-feed-track:hover {
    animation-play-state: paused;
}

@keyframes sideFeedScroll {
    0% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(-50%);
    }
}

/* Individual side card */
.side-card {
    padding: 16px 18px;
    border-bottom: 1px solid var(--news-border);
    cursor: pointer;
    transition: background 0.2s;
    flex-shrink: 0;
    display: block;
}

.side-card:hover {
    background: rgba(45, 27, 78, 0.04);
}

.side-card-tag {
    font-family: var(--font-meta);
    font-size: 0.65rem;
    color: var(--news-gold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: block;
    margin-bottom: 6px;
}

.side-card-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--news-accent);
    line-height: 1.4;
    font-weight: 700;
    margin: 0 0 8px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    line-clamp: 3;
    overflow: hidden;
}

.side-card-source {
    font-family: var(--font-meta);
    font-size: 0.65rem;
    color: var(--news-text-muted);
    text-transform: uppercase;
    display: block;
}

/* --- Cinematic Broadcast Player --- */
.broadcast-container {
    max-width: 100%;
    margin: 0;
    padding: 0;
}

.broadcast-label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-family: var(--font-meta);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--news-text-muted);
}

.broadcast-signal {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #c0392b;
    animation: signalPulse 1.4s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes signalPulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(192, 57, 43, 0.6);
    }

    50% {
        opacity: 0.7;
        transform: scale(1.2);
        box-shadow: 0 0 0 5px rgba(192, 57, 43, 0);
    }
}

.broadcast-title {
    flex: 1;
    color: var(--news-text-muted);
}

.broadcast-live-badge {
    background: #c0392b;
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 2px;
    letter-spacing: 1.5px;
    animation: badgeBlink 2s step-end infinite;
}

@keyframes badgeBlink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.broadcast-player {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #080810;
    border: 1px solid rgba(212, 175, 55, 0.4);
    border-radius: 4px;
    overflow: hidden;
    box-shadow:
        0 0 0 1px rgba(212, 175, 55, 0.1),
        0 0 30px rgba(212, 175, 55, 0.06),
        0 12px 40px rgba(0, 0, 0, 0.5);
    transition: border-color 0.4s;
}

.broadcast-player:hover {
    border-color: rgba(212, 175, 55, 0.7);
}

.broadcast-player iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
}

.broadcast-player iframe.active {
    opacity: 1;
}

/* Overlay screen */
.broadcast-overlay {
    position: absolute;
    inset: 0;
    background: #06060f;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.broadcast-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

/* CRT Scanlines */
.broadcast-scanlines {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(to bottom,
            transparent,
            transparent 2px,
            rgba(0, 0, 0, 0.18) 2px,
            rgba(0, 0, 0, 0.18) 4px);
    pointer-events: none;
    z-index: 1;
}

/* Film grain noise */
.broadcast-noise {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    opacity: 0.3;
    animation: flickerNoise 0.1s steps(1) infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes flickerNoise {
    0% {
        transform: translate(0, 0);
    }

    25% {
        transform: translate(-1px, 1px);
    }

    50% {
        transform: translate(1px, -1px);
    }

    75% {
        transform: translate(-1px, 0);
    }

    100% {
        transform: translate(0, 1px);
    }
}

/* Center content */
.broadcast-center-content {
    position: relative;
    z-index: 3;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.broadcast-logo-mark {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--news-gold);
    letter-spacing: 0.15em;
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
    line-height: 1;
    margin-bottom: 4px;
}

.broadcast-channel-name {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin: 0;
}

.broadcast-channel-sub {
    font-family: var(--font-meta);
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.3);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin: 0 0 14px;
}

.broadcast-play-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: transparent;
    border: 1px solid var(--news-gold);
    color: var(--news-gold);
    font-family: var(--font-meta);
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: 10px 22px;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.broadcast-play-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--news-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s ease;
    z-index: -1;
}

.broadcast-play-btn:hover {
    color: #06060f;
}

.broadcast-play-btn:hover::before {
    transform: scaleX(1);
}

/* HUD corner decorations */
.broadcast-corner {
    position: absolute;
    font-family: var(--font-meta);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(212, 175, 55, 0.45);
    z-index: 3;
    line-height: 1;
}

.broadcast-corner.top-left {
    top: 10px;
    left: 14px;
}

.broadcast-corner.top-right {
    top: 10px;
    right: 14px;
}

.broadcast-corner.bottom-left {
    bottom: 10px;
    left: 14px;
}

.broadcast-corner.bottom-right {
    bottom: 10px;
    right: 14px;
}

/* HUD border glow animation */
@keyframes borderGlow {

    0%,
    100% {
        box-shadow: 0 0 0 1px rgba(212, 175, 55, 0.1), 0 0 20px rgba(212, 175, 55, 0.04);
    }

    50% {
        box-shadow: 0 0 0 1px rgba(212, 175, 55, 0.25), 0 0 35px rgba(212, 175, 55, 0.1);
    }
}

.broadcast-player {
    animation: borderGlow 4s ease-in-out infinite;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--news-border);
    padding: 6px 16px;
    border-radius: 20px;
    color: var(--news-text-main);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    border-color: var(--news-accent);
    color: var(--news-accent);
}

.filter-btn.active {
    background: var(--news-accent);
    color: var(--news-bg);
    border-color: var(--news-accent);
}

/* --- Abstracts Feed --- */
.abstracts-feed {
    padding: 3rem 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.abstracts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    align-items: start;
}

/* --- Abstract Cards --- */
.news-card {
    background: var(--news-surface);
    border: 1px solid var(--news-border);
    padding: 24px;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
}

.news-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--news-accent);
    opacity: 0;
    transition: opacity 0.2s;
}

.news-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.06);
}

.news-card:hover::before {
    opacity: 1;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.card-tag {
    font-family: var(--font-meta);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--news-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-time {
    font-family: var(--font-meta);
    font-size: 0.75rem;
    color: var(--news-text-muted);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    line-height: 1.3;
    color: var(--news-accent);
    margin-bottom: 12px;
    font-weight: 700;
}

.card-excerpt {
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--news-text-main);
    margin-bottom: 20px;
}

.card-footer {
    display: flex;
    align-items: center;
    border-top: 1px solid var(--news-border);
    padding-top: 12px;
}

.card-source {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--news-text-muted);
    text-transform: uppercase;
}

/* Responsive */
@media (max-width: 768px) {
    .news-nav-top {
        flex-direction: column;
        gap: 16px;
    }

    .logo-mini {
        order: -1;
    }

    .news-title-container {
        margin-bottom: 2rem;
    }

    .broadcast-zone {
        display: flex;
        flex-direction: column;
        padding: 0 1rem;
    }

    .broadcast-container {
        order: -1;
        /* Force the video to appear first */
        width: 100%;
        margin-bottom: 1.5rem;
    }

    .side-feed {
        width: 100%;
        height: 350px;
        /* Make feeds a bit shorter on mobile */
    }

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