/* Public /changelog page — keeps the /demo chrome but adds long-form-readable typography. */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #6366F1;
    --primary-hover: #4F46E5;
    --bg-base: #FFFFFF;
    --bg-soft: #F8F9FB;
    --bg-muted: #F1F2F7;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-tertiary: #64748B;
    --text-muted: #94A3B8;
    --border-subtle: rgba(15, 23, 42, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-soft);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--primary-hover); }

/* ─── Top bar (matches /demo chrome) ──────────────── */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 28px;
    max-width: 1200px;
    margin: 0 auto;
    background: var(--bg-base);
    border-bottom: 1px solid var(--border-subtle);
}
.brand {
    display: inline-flex; align-items: center; gap: 8px;
    color: var(--text-primary); font-weight: 700; font-size: 1.05rem;
}
.brand-icon { font-size: 1.1rem; }
.topbar-nav {
    display: flex; gap: 22px; align-items: center;
}
.topbar-nav a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}
.signin-link {
    background: var(--text-primary);
    color: #fff !important;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
}

/* ─── Main ─────────────────────────────────────────── */
.changelog-main {
    max-width: 760px;
    margin: 0 auto;
    padding: 56px 24px 80px;
}
.changelog-header {
    margin-bottom: 36px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-subtle);
}
.changelog-header h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}
.changelog-sub {
    color: var(--text-secondary);
    margin-top: 8px;
    font-size: 1rem;
}

.changelog-status {
    color: var(--text-tertiary);
    font-size: 0.95rem;
    text-align: center;
    padding: 24px 0;
}
.changelog-status[data-state="error"] {
    color: #B91C1C;
}
.changelog-status[hidden] { display: none; }

/* ─── Release cards ───────────────────────────────── */
.changelog-content { display: flex; flex-direction: column; gap: 28px; }

.release {
    background: var(--bg-base);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 28px;
}
.release-header {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: baseline;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--border-subtle);
}
.release-version {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}
.release-date {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.release h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 20px 0 10px;
}
.release h3:first-of-type { margin-top: 8px; }

.release p {
    color: var(--text-secondary);
    margin: 0 0 12px;
    font-size: 0.95rem;
}
.release p:last-child { margin-bottom: 0; }
.release strong { color: var(--text-primary); font-weight: 600; }

.release ul {
    margin: 8px 0 12px 24px;
    padding: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}
.release li { margin-bottom: 4px; }

.release code {
    background: var(--bg-muted);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 0.86em;
    color: var(--text-primary);
}

.release pre {
    background: var(--bg-muted);
    border-radius: 6px;
    padding: 12px 16px;
    margin: 12px 0;
    overflow-x: auto;
    font-size: 0.85rem;
}
.release pre code { background: transparent; padding: 0; }

/* ─── Footer ──────────────────────────────────────── */
.changelog-foot {
    background: var(--bg-base);
    border-top: 1px solid var(--border-subtle);
    margin-top: 48px;
}
.foot-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-tertiary);
    font-size: 0.88rem;
}

@media (max-width: 600px) {
    .topbar { padding: 14px 16px; }
    .topbar-nav { gap: 0; }
    .topbar-nav a:not(.signin-link) { display: none; }
    .release code { word-break: break-word; overflow-wrap: anywhere; }
    .release pre { overflow-x: auto; }
    .changelog-main { padding: 36px 18px 60px; }
    .changelog-header h1 { font-size: 1.6rem; }
    .release { padding: 20px; }
    .foot-inner { flex-direction: column; gap: 6px; align-items: flex-start; }
}