/* Firmware page layout. Loaded only on /firmware. Version cards + changelog. */

.fw-hero { padding: 72px 0 8px; }
.fw-hero .lead { margin-top: 18px; }
.prerelease { display: inline-flex; align-items: center; gap: 9px; white-space: nowrap; font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.04em; color: var(--color-primary); border: 1px solid color-mix(in srgb, var(--color-primary) 32%, transparent); background: color-mix(in srgb, var(--color-primary) 8%, transparent); border-radius: 999px; padding: 7px 14px; margin-bottom: 22px; }
.prerelease::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--color-primary); }

/* ---- current versions ---- */
.ver-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.ver-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-card); padding: 26px 26px 24px; display: flex; flex-direction: column; }
.ver-card .vc-top { display: flex; align-items: center; gap: 12px; }
.ver-card .vc-ic { width: 38px; height: 38px; border-radius: 9px; display: grid; place-items: center; background: color-mix(in srgb, var(--color-primary) 12%, transparent); color: var(--color-primary); flex: none; }
.ver-card .vc-ic svg { width: 20px; height: 20px; }
.ver-card .vc-name { font-family: var(--font-display); font-weight: 800; font-size: 18px; letter-spacing: -0.01em; }
.ver-card .vc-role { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-subtle); margin-top: 2px; }
.ver-card .vc-version { font-family: var(--font-mono); font-size: 30px; font-weight: 500; color: var(--color-text); margin: 22px 0 0; letter-spacing: -0.01em; }
.ver-card .vc-meta { font-family: var(--font-mono); font-size: 12px; color: var(--color-text-subtle); margin-top: 8px; }
.ver-card .vc-foot { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--color-border); display: flex; align-items: center; gap: 8px; }
.pill { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.03em; padding: 4px 10px; border-radius: 999px; }
.pill--current { background: color-mix(in srgb, var(--color-online) 14%, transparent); color: var(--color-online); }
.pill--current::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--color-online); }
.pill .vc-channel { color: var(--color-text-subtle); font-family: var(--font-mono); font-size: 11.5px; }

/* ---- how updates work ---- */
.upd-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.upd-card { border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); box-shadow: var(--shadow-card); padding: 26px; }
.upd-card .uc-ic { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; background: color-mix(in srgb, var(--color-primary) 12%, transparent); color: var(--color-primary); margin-bottom: 16px; }
.upd-card .uc-ic svg { width: 22px; height: 22px; }
.upd-card h3 { font-family: var(--font-display); font-weight: 700; font-size: 18px; }
.upd-card .uc-tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; color: var(--color-text-subtle); margin: 4px 0 12px; }
.upd-card p { color: var(--color-text-muted); font-size: 14.5px; line-height: 1.6; margin: 0; text-wrap: pretty; }
.upd-card p strong { color: var(--color-text); font-weight: 600; }

/* ---- changelog ---- */
.log-head { margin-bottom: 34px; }
.log-head h2 { font-family: var(--font-display); font-weight: 800; font-size: clamp(26px, 3vw, 34px); letter-spacing: -0.01em; }
.log-head p { color: var(--color-text-muted); font-size: 15px; margin: 9px 0 0; max-width: 54ch; }
.log { position: relative; }
.log::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--color-border); }
.rel { position: relative; padding: 0 0 40px 42px; }
.rel:last-child { padding-bottom: 0; }
.rel::before { content: ""; position: absolute; left: 0; top: 5px; width: 16px; height: 16px; border-radius: 50%; background: var(--color-surface); border: 3px solid var(--color-primary); box-sizing: border-box; }
.rel.is-old::before { border-color: var(--color-text-subtle); }
.rel-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.rel-ver { font-family: var(--font-mono); font-size: 17px; font-weight: 500; color: var(--color-text); }
.rel-badge { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--color-border); color: var(--color-text-muted); }
.rel-badge.b-node { color: var(--color-primary); border-color: color-mix(in srgb, var(--color-primary) 40%, transparent); background: color-mix(in srgb, var(--color-primary) 8%, transparent); }
.rel-badge.b-home { color: var(--sky); border-color: color-mix(in srgb, var(--sky) 45%, transparent); background: color-mix(in srgb, var(--sky) 9%, transparent); }
.rel-badge.b-app { color: var(--color-text); border-color: var(--color-border); background: color-mix(in srgb, var(--color-text) 5%, transparent); }
.rel-date { font-family: var(--font-mono); font-size: 12.5px; color: var(--color-text-subtle); margin-left: auto; }
.rel-title { font-weight: 600; font-size: 15.5px; color: var(--color-text); margin: 8px 0 12px; }
.rel ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.rel li { display: flex; gap: 11px; align-items: flex-start; color: var(--color-text-muted); font-size: 14.5px; line-height: 1.5; text-wrap: pretty; }
.rel li svg { width: 16px; height: 16px; color: var(--color-primary); flex: none; margin-top: 2px; }
.rel li.fix svg { color: var(--color-text-subtle); }
.rel li strong { color: var(--color-text); font-weight: 600; }

/* ---- help band ---- */
.fw-help { background: var(--color-bg-deep); border-top: 1px solid var(--color-border); }
.fw-help-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.fw-help h2 { font-family: var(--font-display); font-weight: 800; font-size: clamp(22px, 2.6vw, 30px); letter-spacing: -0.01em; }
.fw-help p { color: var(--color-text-muted); font-size: 15.5px; margin: 10px 0 0; max-width: 50ch; }
.fw-help-actions { display: flex; gap: 12px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .ver-grid, .upd-grid { grid-template-columns: 1fr; }
  .rel-date { margin-left: 0; width: 100%; }
}