:root {
    --primary: #f74c00;
    --primary-dark: #d94400;
    --bg: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text: #e6edf3;
    --text-muted: #8b949e;
    --border: #30363d;
    --green: #3fb950;
    --blue: #58a6ff;
    --purple: #a371f7;
    --yellow: #d29922;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.85em;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---- Header ---- */
header {
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    background: var(--bg);
    z-index: 100;
}

nav { display: flex; justify-content: space-between; align-items: center; }

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo span { color: var(--primary); }

.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a { color: var(--text-muted); font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); text-decoration: none; }

.btn-secondary { background: var(--bg-tertiary); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); text-decoration: none; }

.btn-sm { padding: 6px 14px; font-size: 0.85rem; }

/* ---- Footer ---- */
footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

footer .links { display: flex; gap: 24px; justify-content: center; margin-bottom: 16px; }

/* ---- Tags ---- */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.tag.new { background: rgba(63, 185, 80, 0.15); border-color: var(--green); color: var(--green); }
.tag.breaking { background: rgba(247, 76, 0, 0.15); border-color: var(--primary); color: var(--primary); }
.tag.feature { background: rgba(88, 166, 255, 0.15); border-color: var(--blue); color: var(--blue); }
.tag.fix { background: rgba(163, 113, 247, 0.15); border-color: var(--purple); color: var(--purple); }

/* ---- Comparison Table ---- */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.comparison-table th,
.comparison-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.comparison-table th { color: var(--text-muted); font-weight: 500; }
.comparison-table th:first-child, .comparison-table td:first-child { font-weight: 600; }
.comparison-table .check { color: var(--green); }
.comparison-table .cross { color: var(--text-muted); }
.comparison-table .partial { color: #d29922; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .nav-links { display: none; }

    .comparison-table { font-size: 0.8rem; }
    .comparison-table th, .comparison-table td { padding: 8px; }
}