/* ROOT & RESET */
:root {
    --bg-dark: #0f1115;
    --bg-card: #161b22;
    --bg-card-hover: #1c2128;
    --text-main: #e6edf3;
    --text-muted: #8b949e;
    --border-color: #30363d;
    --accent-change: #f59e0b;

    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    margin: 0;
}

.page-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    background: radial-gradient(circle at 80% 10%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
}

.docs-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

/* NAV */
.page-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 4rem;
}

.back-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    display: flex;
    gap: 0.5rem;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: color 0.2s;
}

.back-btn:hover {
    color: var(--text-main);
}

.nav-breadcrumbs {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.crumb-current {
    color: var(--accent-change);
    font-weight: 600;
    margin-left: 0.5rem;
}

/* HERO */
.hero-section {
    text-align: center;
    margin-bottom: 5rem;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, var(--accent-change));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.tech-stack-pills {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

.pill {
    padding: 0.35rem 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
}

/* TIMELINE */
.timeline {
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid var(--border-color);
}

.timeline-group {
    margin-bottom: 4rem;
    position: relative;
}

.timeline-marker {
    position: absolute;
    left: -2rem;
    top: 2rem;
    width: 14px;
    height: 14px;
    background: var(--bg-dark);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 0 5px var(--bg-dark);
    /* masking */
}

/* Highlight Latest */
.timeline-group.latest .timeline-marker {
    border-color: var(--accent-change);
    background: var(--accent-change);
    box-shadow: 0 0 0 5px var(--bg-dark), 0 0 15px rgba(245, 158, 11, 0.4);
}

.version-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: transform 0.2s;
}

.version-card:hover {
    transform: translateY(-2px);
    border-color: var(--text-muted);
}

.vc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.vc-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.tag-badge {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-change);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
}

.vc-date {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.vc-section {
    margin-bottom: 1.5rem;
}

.vc-section:last-child {
    margin-bottom: 0;
}

.vc-section h3 {
    font-size: 1rem;
    color: var(--text-main);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.vc-section ul {
    list-style: none;
    padding: 0;
}

.vc-section li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.vc-section li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-change);
}

.vc-section strong {
    color: var(--text-main);
}

/* GitHub Actions & Meta */
.hero-actions {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
}

.gh-main-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: #21262d;
    color: #c9d1d9;
    border: 1px solid #30363d;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s;
}

.gh-main-btn:hover {
    background: #30363d;
    color: #ffffff;
    border-color: #8b949e;
}

.vc-actions {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.gh-release-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: all 0.2s;
}

.gh-release-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--accent-change);
    border-color: var(--accent-change);
}

.contributor-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.contributor-link {
    color: var(--accent-change);
    text-decoration: none;
    font-weight: 500;
}

.contributor-link:hover {
    text-decoration: underline;
}

/* RESPONSIVE - COMPREHENSIVE MOBILE FIRST WITH MINIMAL PADDING */

/* Tablets and smaller laptops */
@media (max-width: 1024px) {
    .docs-container {
        padding: 1.5rem;
    }

    .timeline {
        padding-left: 1.5rem;
    }
}

/* Mobile devices - Large */
@media (max-width: 768px) {
    .docs-container {
        padding: 0.75rem;
        max-width: 100%;
    }

    /* Navigation */
    .page-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        margin-bottom: 2.5rem;
        padding-bottom: 0.75rem;
    }

    .back-btn {
        font-size: 0.9rem;
    }

    .nav-breadcrumbs {
        font-size: 0.85rem;
    }

    /* Hero Section */
    .hero-section {
        margin-bottom: 3rem;
    }

    .hero-section h1 {
        font-size: 2.5rem;
        margin-bottom: 0.75rem;
    }

    .hero-desc {
        font-size: 1rem;
        margin-bottom: 1.5rem;
        padding: 0 0.5rem;
    }

    .tech-stack-pills {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .pill {
        padding: 0.3rem 0.7rem;
        font-size: 0.75rem;
    }

    .hero-actions {
        margin-top: 1.25rem;
    }

    .gh-main-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    /* Timeline */
    .timeline {
        padding-left: 1.25rem;
        border-left-width: 1px;
    }

    .timeline-group {
        margin-bottom: 2.5rem;
    }

    .timeline-marker {
        left: -1.25rem;
        top: 1.5rem;
        width: 12px;
        height: 12px;
    }

    /* Version Cards */
    .version-card {
        padding: 1.5rem;
        border-radius: 12px;
    }

    .vc-header h2 {
        font-size: 1.3rem;
    }

    .tag-badge {
        font-size: 0.7rem;
        padding: 0.2rem 0.5rem;
    }

    .vc-date {
        font-size: 0.8rem;
        margin-bottom: 1.5rem;
    }

    .vc-section {
        margin-bottom: 1.25rem;
    }

    .vc-section h3 {
        font-size: 0.95rem;
        margin-bottom: 0.6rem;
    }

    .vc-section li {
        font-size: 0.9rem;
        padding-left: 1.25rem;
        margin-bottom: 0.4rem;
    }

    /* Tables in version cards */
    table {
        font-size: 0.85rem;
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    table th,
    table td {
        padding: 6px !important;
        font-size: 0.85rem !important;
    }

    /* Actions */
    .vc-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        margin-top: 1.5rem;
        padding-top: 1.25rem;
    }

    .gh-release-btn {
        font-size: 0.8rem;
        padding: 0.35rem 0.7rem;
        width: 100%;
        justify-content: center;
    }

    .contributor-meta {
        font-size: 0.75rem;
    }
}

/* Mobile devices - Small (VERY MINIMAL PADDING) */
@media (max-width: 480px) {
    .docs-container {
        padding: 0.5rem;
    }

    /* Navigation */
    .page-nav {
        margin-bottom: 2rem;
        padding-bottom: 0.6rem;
    }

    .back-btn {
        font-size: 0.85rem;
        gap: 0.4rem;
    }

    .back-btn svg {
        width: 16px;
        height: 16px;
    }

    .nav-breadcrumbs {
        font-size: 0.8rem;
    }

    /* Hero Section */
    .hero-section {
        margin-bottom: 2.5rem;
    }

    .hero-section h1 {
        font-size: 2rem;
        margin-bottom: 0.6rem;
    }

    .hero-desc {
        font-size: 0.9rem;
        margin-bottom: 1.25rem;
        padding: 0 0.25rem;
    }

    .tech-stack-pills {
        gap: 0.4rem;
    }

    .pill {
        padding: 0.25rem 0.6rem;
        font-size: 0.7rem;
    }

    .hero-actions {
        margin-top: 1rem;
    }

    .gh-main-btn {
        padding: 0.45rem 0.85rem;
        font-size: 0.8rem;
        gap: 0.5rem;
    }

    .gh-main-btn svg {
        width: 16px;
        height: 16px;
    }

    /* Timeline */
    .timeline {
        padding-left: 1rem;
    }

    .timeline-group {
        margin-bottom: 2rem;
    }

    .timeline-marker {
        left: -1rem;
        top: 1.25rem;
        width: 10px;
        height: 10px;
        box-shadow: 0 0 0 4px var(--bg-dark);
    }

    .timeline-group.latest .timeline-marker {
        box-shadow: 0 0 0 4px var(--bg-dark), 0 0 12px rgba(245, 158, 11, 0.3);
    }

    /* Version Cards */
    .version-card {
        padding: 1.25rem;
        border-radius: 10px;
    }

    .vc-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        margin-bottom: 0.4rem;
    }

    .vc-header h2 {
        font-size: 1.2rem;
    }

    .tag-badge {
        font-size: 0.65rem;
        padding: 0.2rem 0.45rem;
    }

    .vc-date {
        font-size: 0.75rem;
        margin-bottom: 1.25rem;
    }

    .vc-section {
        margin-bottom: 1rem;
    }

    .vc-section h3 {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
        gap: 0.4rem;
    }

    .vc-section li {
        font-size: 0.85rem;
        padding-left: 1.1rem;
        margin-bottom: 0.35rem;
        line-height: 1.5;
    }

    /* Tables */
    table {
        font-size: 0.8rem;
        margin-top: 8px !important;
    }

    table th,
    table td {
        padding: 5px !important;
        font-size: 0.8rem !important;
    }

    /* Actions */
    .vc-actions {
        gap: 0.85rem;
        margin-top: 1.25rem;
        padding-top: 1rem;
    }

    .gh-release-btn {
        font-size: 0.75rem;
        padding: 0.3rem 0.6rem;
    }

    .contributor-meta {
        font-size: 0.7rem;
        gap: 0.3rem;
    }
}

/* Extra small devices (ABSOLUTE MINIMAL PADDING) */
@media (max-width: 360px) {
    .docs-container {
        padding: 0.35rem;
    }

    .page-nav {
        margin-bottom: 1.75rem;
        padding-bottom: 0.5rem;
    }

    .hero-section {
        margin-bottom: 2rem;
    }

    .hero-section h1 {
        font-size: 1.75rem;
    }

    .hero-desc {
        font-size: 0.85rem;
        padding: 0;
    }

    .pill {
        padding: 0.2rem 0.5rem;
        font-size: 0.65rem;
    }

    .gh-main-btn {
        padding: 0.4rem 0.75rem;
        font-size: 0.75rem;
        width: 100%;
        justify-content: center;
    }

    .timeline {
        padding-left: 0.85rem;
    }

    .timeline-marker {
        left: -0.85rem;
        width: 9px;
        height: 9px;
        box-shadow: 0 0 0 3px var(--bg-dark);
    }

    .timeline-group.latest .timeline-marker {
        box-shadow: 0 0 0 3px var(--bg-dark), 0 0 10px rgba(245, 158, 11, 0.3);
    }

    .version-card {
        padding: 1rem;
    }

    .vc-header h2 {
        font-size: 1.1rem;
    }

    .vc-date {
        font-size: 0.7rem;
        margin-bottom: 1rem;
    }

    .vc-section h3 {
        font-size: 0.85rem;
    }

    .vc-section li {
        font-size: 0.8rem;
        padding-left: 1rem;
    }

    table th,
    table td {
        padding: 4px !important;
        font-size: 0.75rem !important;
    }

    .gh-release-btn {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
    }

    .contributor-meta {
        font-size: 0.65rem;
    }
}