.marquee {
    --mq-fg: var(--text-primary);
    --mq-dim: var(--text-secondary);

    --badge-read-fg: #1d4ed8;
    --badge-read-bg: rgba(96, 165, 250, 0.18);
    --badge-learn-fg: #0e7490;
    --badge-learn-bg: rgba(34, 211, 238, 0.18);

    --marquee-speed: 42s;

    position: relative;
    background: var(--bg-secondary);
    color: var(--mq-fg);
    border-top: var(--nb-border-w) solid var(--nb-border);
    border-bottom: var(--nb-border-w) solid var(--nb-border);
    overflow: hidden;
    font-family: var(--font-mono);
    isolation: isolate;
}

[data-theme="dark"] .marquee {
    --mq-fg: #f5f5f5;
    --mq-dim: rgba(255, 255, 255, 0.42);

    --badge-read-fg: #60a5fa;
    --badge-read-bg: rgba(96, 165, 250, 0.14);
    --badge-learn-fg: #22d3ee;
    --badge-learn-bg: rgba(34, 211, 238, 0.14);
}

.marquee::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 100% at 50% 50%, var(--accent-glow), transparent 70%);
    opacity: 0.07;
    pointer-events: none;
    z-index: 0;
}

.marquee::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, var(--accent) 50%, transparent 100%);
    box-shadow: 0 0 12px var(--accent-glow);
    opacity: 0;
    animation: scanlineSweep 8s linear infinite;
    pointer-events: none;
    z-index: 3;
}

.marquee-track {
    position: relative;
    overflow: hidden;
    display: flex;
    padding: 24px 0;
    mask-image: linear-gradient(90deg, transparent 0%, black 5%, black 95%, transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 5%, black 95%, transparent 100%);
    z-index: 1;
}

.marquee-row {
    display: flex;
    gap: 1rem;
    align-items: center;
    white-space: nowrap;
    width: max-content;
    animation: marquee var(--marquee-speed) linear infinite;
    will-change: transform;
    padding-right: 1rem;
}

.marquee:hover .marquee-row {
    animation-play-state: paused;
}

.marquee-item {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.005em;
    padding: 8px 12px;
    border-radius: 2px;
    border: 2px solid var(--nb-border);
    background: var(--bg-primary);
    box-shadow: 3px 3px 0 var(--nb-shadow);
    transition:
        color 0.2s ease,
        background-color 0.2s ease,
        border-color 0.2s ease,
        transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
        box-shadow 0.25s ease;
    cursor: default;
}

.marquee-item:hover {
    color: var(--accent-ink);
    background: var(--accent);
    border-color: var(--accent-ink);
    transform: translate(-2px, -2px) rotate(-1deg);
    box-shadow: 5px 5px 0 var(--nb-shadow);
}

.item-idx {
    font-size: 0.6rem;
    padding: 2px 6px;
    border: 1.5px solid var(--nb-border);
    border-radius: 2px;
    background: var(--accent);
    color: var(--accent-ink);
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    flex-shrink: 0;
    letter-spacing: 0.02em;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.marquee-item:hover .item-idx {
    background: var(--accent-ink);
    color: var(--accent);
    border-color: var(--accent-ink);
}

.item-icon {
    font-size: 0.8rem;
    color: var(--accent-symbol);
    flex-shrink: 0;
    line-height: 1;
    transition: transform 0.3s ease, color 0.25s ease;
}

.marquee-item:hover .item-icon {
    transform: scale(1.2) rotate(10deg);
    color: var(--accent-ink);
}

.item-key {
    color: var(--accent-symbol);
    font-weight: 700;
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    transition: color 0.25s ease;
}

.marquee-item:hover .item-key {
    color: var(--accent-ink);
}

.item-arrow {
    color: var(--mq-dim);
    font-weight: 400;
    margin: 0 -2px;
    transition: color 0.25s ease;
}

.marquee-item:hover .item-arrow {
    color: var(--accent-ink);
}

.item-value {
    color: inherit;
    font-weight: 600;
}

.item-badge {
    font-size: 0.56rem;
    padding: 3px 7px;
    border-radius: 2px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    flex-shrink: 0;
    border: 1.5px solid currentColor;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.item-badge.read {
    color: var(--badge-read-fg);
    background: var(--badge-read-bg);
}

.item-badge.learn {
    color: var(--badge-learn-fg);
    background: var(--badge-learn-bg);
}

.marquee-item:hover .item-badge {
    transform: scale(1.1) rotate(2deg);
    border-color: var(--accent-ink);
}

@media (max-width: 968px) {
    .marquee::after { display: none; }

    .marquee-track { padding: 18px 0; }

    .marquee-row {
        gap: 0.7rem;
        padding-right: 0.7rem;
        animation-duration: calc(var(--marquee-speed) * 0.85);
    }

    .marquee-item {
        font-size: 0.76rem;
        gap: 7px;
        padding: 6px 10px;
        box-shadow: 2px 2px 0 var(--nb-shadow);
    }
    .item-idx { font-size: 0.55rem; padding: 1px 5px; }
    .item-key { font-size: 0.68rem; }
    .item-badge { font-size: 0.52rem; padding: 2px 5px; }
    .item-icon { font-size: 0.72rem; }
}

@media (max-width: 480px) {
    .marquee-track { padding: 16px 0; }
    .marquee-row { gap: 0.55rem; padding-right: 0.55rem; }

    .marquee-item { font-size: 0.7rem; gap: 6px; padding: 5px 9px; }
    .item-icon { font-size: 0.68rem; }
    .item-key { font-size: 0.64rem; }
    .item-idx { font-size: 0.52rem; padding: 1px 4px; }
    .item-badge { font-size: 0.48rem; padding: 2px 4px; }
}