:root {
    --cl-font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    --cl-green: #16a34a;
    --cl-green-dim: rgba(22, 163, 74, 0.15);
    --cl-orange-dim: rgba(252, 100, 50, 0.12);
    --cl-purple-dim: rgba(127, 132, 241, 0.12);
    --cl-red-dim: rgba(224, 162, 0, 0.12);
    --cl-terminal-bg: #0d0f11;
    --cl-terminal-surface: #141719;
    --cl-terminal-border: #1e2225;
    --cl-terminal-text: #e4e4e7;
    --cl-terminal-dim: #71717a;
}


body {
    background-color: var(--cl-terminal-bg);
    color: var(--cl-terminal-text);
    font-family: var(--font-family-body);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

.changelog-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}


.terminal-scanline {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    background: repeating-linear-gradient(0deg,
            transparent,
            transparent 2px,
            rgba(0, 0, 0, 0.03) 2px,
            rgba(0, 0, 0, 0.03) 4px);
}

.terminal-noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
    opacity: 0.02;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}


.changelog-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(13, 15, 17, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--cl-terminal-border);
    padding: var(--space-2) 0;
}

.changelog-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav-icon-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: var(--cl-terminal-dim);
    text-decoration: none;
    transition: all var(--transition-default);
    font-size: 14px;
}

.nav-icon-link:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-primary);
}

.app-title {
    font-family: var(--cl-font-mono);
    font-size: 14px;
    font-weight: 600;
    color: var(--cl-terminal-text);
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.terminal-prompt {
    color: var(--color-primary);
    font-weight: 700;
}

.cursor-blink {
    color: var(--color-primary);
    animation: blink 1s step-end infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}


.changelog-main {
    flex: 1;
    padding: var(--space-4) 0 var(--space-7);
}


.changelog-hero {
    text-align: center;
    margin-bottom: var(--space-6);
    padding: var(--space-4) 0;
}

.terminal-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: var(--radius-xl);
    background: var(--cl-terminal-surface);
    border: 1px solid var(--cl-terminal-border);
    margin-bottom: var(--space-3);
    font-size: 11px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

.mono {
    font-family: var(--cl-font-mono);
    font-weight: 500;
    color: var(--cl-terminal-dim);
}

.changelog-title {
    font-family: var(--font-family-display);
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--cl-terminal-text);
    margin-bottom: var(--space-2);
}

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

.changelog-subtitle {
    font-size: 15px;
    line-height: 1.6;
    color: var(--cl-terminal-dim);
    max-width: 560px;
    margin: 0 auto var(--space-3);
}


.changelog-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.filter-btn {
    font-family: var(--cl-font-mono);
    font-size: 12px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--cl-terminal-border);
    background: var(--cl-terminal-surface);
    color: var(--cl-terminal-dim);
    cursor: pointer;
    transition: all var(--transition-default);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--cl-orange-dim);
}

.filter-btn.active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-white);
}


.changelog-timeline {
    position: relative;
    max-width: 780px;
    margin: 0 auto;
}


.release-entry {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.release-entry.hidden {
    display: none;
}


.release-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 6px;
}

.connector-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--cl-terminal-border);
    border: 2px solid var(--cl-terminal-dim);
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.connector-dot-latest {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 12px rgba(252, 100, 50, 0.4);
}

.connector-dot-major {
    background: var(--color-accent-purple-4);
    border-color: var(--color-accent-purple-4);
    box-shadow: 0 0 10px rgba(127, 132, 241, 0.3);
}

.connector-line {
    width: 2px;
    flex: 1;
    background: linear-gradient(to bottom, var(--cl-terminal-border), transparent);
    margin-top: 4px;
}

.connector-line-end {
    background: transparent;
}


.release-content {
    background: var(--cl-terminal-surface);
    border: 1px solid var(--cl-terminal-border);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    transition: border-color var(--transition-default), box-shadow var(--transition-default);
}

.release-content:hover {
    border-color: rgba(252, 100, 50, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}


.release-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: var(--space-2);
}

.release-meta {
    display: flex;
    align-items: center;
    gap: 8px;
}

.version-tag {
    font-family: var(--cl-font-mono);
    font-size: 13px;
    font-weight: 700;
    color: var(--cl-terminal-text);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--cl-terminal-border);
}

.version-latest {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: var(--cl-orange-dim);
}

.version-major {
    color: var(--color-accent-purple-4);
    border-color: var(--color-accent-purple-4);
    background: var(--cl-purple-dim);
}

.release-label {
    font-family: var(--cl-font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.label-latest {
    background: var(--color-primary);
    color: var(--color-white);
}

.label-major {
    background: var(--color-accent-purple-4);
    color: var(--color-white);
}

.label-minor {
    background: rgba(255, 255, 255, 0.08);
    color: var(--cl-terminal-dim);
}

.label-initial {
    background: var(--cl-green);
    color: var(--color-white);
}

.release-date {
    font-family: var(--cl-font-mono);
    font-size: 12px;
    color: var(--cl-terminal-dim);
    display: flex;
    align-items: center;
    gap: 6px;
}


.release-title {
    font-family: var(--font-family-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--cl-terminal-text);
    margin-bottom: var(--space-2);
    line-height: 1.4;
}


.change-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.change-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid transparent;
    transition: all var(--transition-default);
}

.change-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--cl-terminal-border);
}

.change-tag {
    font-family: var(--cl-font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 3px 8px;
    border-radius: 3px;
    white-space: nowrap;
    flex-shrink: 0;
    margin-top: 2px;
}

.tag-feature {
    background: var(--cl-green-dim);
    color: var(--cl-green);
}

.tag-fix {
    background: var(--cl-orange-dim);
    color: var(--color-primary);
}

.tag-improvement {
    background: var(--cl-purple-dim);
    color: var(--color-accent-purple-4);
}

.tag-breaking {
    background: var(--cl-red-dim);
    color: var(--color-warning-secondary);
}

.change-text {
    font-size: 14px;
    line-height: 1.5;
    color: var(--cl-terminal-text);
}


.release-note {
    margin-top: var(--space-2);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    background: rgba(252, 100, 50, 0.06);
    border: 1px solid rgba(252, 100, 50, 0.15);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: var(--cl-terminal-dim);
    line-height: 1.5;
}

.release-note i {
    color: var(--color-primary);
    margin-top: 2px;
    flex-shrink: 0;
}


.changelog-footer-info {
    max-width: 780px;
    margin: var(--space-6) auto 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
}

.info-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--cl-terminal-surface);
    border: 1px solid var(--cl-terminal-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-default);
}

.info-card:hover {
    border-color: rgba(252, 100, 50, 0.3);
}

.info-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--cl-orange-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 16px;
    flex-shrink: 0;
}

.info-text h4 {
    font-family: var(--font-family-display);
    font-size: 14px;
    font-weight: 600;
    color: var(--cl-terminal-text);
    margin-bottom: 4px;
}

.info-text p {
    font-size: 13px;
    color: var(--cl-terminal-dim);
    line-height: 1.5;
}

.info-text a {
    color: var(--color-primary);
    font-size: 13px;
    text-decoration: none;
}

.info-text a:hover {
    text-decoration: underline;
}

.info-text code {
    font-family: var(--cl-font-mono);
    font-size: 12px;
    background: rgba(255, 255, 255, 0.06);
    padding: 2px 6px;
    border-radius: 3px;
    color: var(--color-accent-purple-4);
}


.changelog-footer {
    border-top: 1px solid var(--cl-terminal-border);
    padding: var(--space-3) 0;
    margin-top: auto;
}

.changelog-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.changelog-footer p {
    font-size: 12px;
    color: var(--cl-terminal-dim);
}

.changelog-footer nav {
    display: flex;
    gap: var(--space-2);
}

.changelog-footer nav a {
    font-size: 12px;
    color: var(--cl-terminal-dim);
    text-decoration: none;
    transition: color var(--transition-default);
}

.changelog-footer nav a:hover {
    color: var(--color-primary);
}


.back-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-circle);
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    box-shadow: 0 4px 16px rgba(252, 100, 50, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.3s ease;
    z-index: 50;
}

.back-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-top:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(252, 100, 50, 0.4);
}


@media (max-width: 768px) {
    .changelog-title {
        font-size: 32px;
    }

    .changelog-filters {
        gap: 6px;
    }

    .filter-btn {
        font-size: 11px;
        padding: 6px 12px;
    }

    .release-entry {
        grid-template-columns: 28px 1fr;
        gap: var(--space-1);
    }

    .release-content {
        padding: var(--space-2);
    }

    .release-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .changelog-footer-info {
        grid-template-columns: 1fr;
    }

    .changelog-footer-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .changelog-title {
        font-size: 26px;
    }

    .changelog-hero {
        padding: var(--space-2) 0;
    }

    .change-item {
        flex-direction: column;
        gap: 4px;
    }

    .change-tag {
        margin-top: 0;
    }

    .release-title {
        font-size: 16px;
    }
}