.hero-try { padding: 48px 0 8px; }
.selfcheck { margin-top: 18px; padding: 12px 16px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); font-size: .95rem; }
.selfcheck.pass { border-color: var(--good); }
.selfcheck.pass b { color: var(--good); }
.selfcheck.fail { border-color: #c0392b; }
.selfcheck.fail b { color: #c0392b; }
.notice { margin-top: 12px; padding: 12px 16px; border-radius: 10px; background: var(--sats-soft); }
.step { padding: 36px 0 4px; border-top: 1px solid var(--border); margin-top: 28px; }
.step h2 { display: flex; align-items: center; gap: 12px; }
.n { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--sats); color: #fff; font-size: 1rem; flex: none; }
.muted { color: var(--muted); max-width: 70ch; }
.missions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 14px 0; }
.mission { text-align: left; background: var(--surface); border: 2px solid var(--border); border-radius: 12px; padding: 14px 16px; cursor: pointer; color: var(--ink); font: inherit; }
.mission b { display: block; font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 4px; }
.mission span { color: var(--muted); font-size: .9rem; }
.mission[aria-pressed="true"] { border-color: var(--sats); background: var(--sats-soft); }
.path { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 8px 0 18px; font-size: .92rem; }
.node { background: var(--surface); border: 1px solid var(--border-strong); border-radius: 8px; padding: 6px 10px; }
.link { color: var(--muted); font-family: var(--font-mono); font-size: .8rem; text-align: center; }
.link.out { color: var(--sats); font-weight: 600; }
.checks { display: grid; gap: 8px; margin: 18px 0; }
.check { display: flex; gap: 10px; align-items: baseline; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; }
.check .mark { font-weight: 700; color: var(--good); }
.check.bad .mark { color: #c0392b; }
.check small { color: var(--muted); display: block; }
.timeline { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px 14px; }
.trow { position: relative; height: 18px; margin: 5px 0; }
.trow .lab { position: absolute; left: 0; width: 48px; font: 12px var(--font-mono); color: var(--muted); line-height: 18px; }
.track { position: absolute; left: 52px; right: 0; top: 0; bottom: 0; }
.tbar { position: absolute; top: 4px; height: 10px; border-radius: 5px; background: var(--tokens); }
.tbar.held { background: var(--sats); }
.band { position: absolute; top: 0; bottom: 0; background: repeating-linear-gradient(45deg, var(--sats-soft), var(--sats-soft) 6px, transparent 6px, transparent 12px); border-left: 1px dashed var(--sats); border-right: 1px dashed var(--sats); }
.axis { display: flex; justify-content: space-between; margin-left: 52px; font: 12px var(--font-mono); color: var(--muted); }
.legend { font-size: .88rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; }
.sw { display: inline-block; width: 22px; height: 10px; border-radius: 5px; vertical-align: middle; margin-right: 4px; }
.sw-ok { background: var(--tokens); } .sw-held { background: var(--sats); } .sw-out { background: repeating-linear-gradient(45deg, var(--sats-soft), var(--sats-soft) 4px, var(--border) 4px, var(--border) 8px); }
details.rec { margin-top: 14px; }
details.rec summary { cursor: pointer; color: var(--tokens); }
pre { background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; overflow: auto; font: 12.5px/1.5 var(--font-mono); max-height: 420px; white-space: pre; }
.attacks { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 14px; }
.attack { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.attack b { display: block; margin-bottom: 4px; }
.attack p { margin: 0 0 10px; color: var(--muted); font-size: .92rem; }
.attack .out { margin-top: 10px; font-size: .92rem; }
.attack .out.refused { color: var(--good); }
.attack .out.accepted { color: #c0392b; }
.cmd { margin-top: 14px; }
.eng li { margin: 8px 0; color: var(--muted); }
.eng b { color: var(--ink); }
code { font-family: var(--font-mono); font-size: .88em; background: var(--surface-2); padding: 1px 5px; border-radius: 5px; }
@media (max-width: 760px) { .missions, .attacks { grid-template-columns: 1fr; } }

/* wide two-column lab */
.wrap.wide { max-width: 1320px; }
.trylab { display: grid; grid-template-columns: 380px 1fr; gap: 28px; align-items: start; border-top: 1px solid var(--border); margin-top: 28px; padding-top: 28px; }
.lab-left { position: sticky; top: 76px; }
.lab-left h2 { display: flex; align-items: center; gap: 12px; font-size: 1.35rem; margin-top: 4px; }
.lab-left h2 + .missions { margin-top: 10px; }
.lab-left .missions { grid-template-columns: 1fr; gap: 8px; }
.lab-left .mission { padding: 10px 14px; }
.lab-left .path { font-size: .85rem; margin: 10px 0 22px; }
.muted.small { font-size: .9rem; }
.placeholder { border: 2px dashed var(--border-strong); border-radius: 14px; padding: 48px 28px; text-align: center; color: var(--muted); }
.clock { display: grid; grid-template-columns: repeat(5, 1fr) auto; gap: 10px; align-items: stretch; }
.clk { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px; }
.clk .lbl { display: block; font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.clk .val { display: block; font-family: var(--font-mono); font-size: 1.35rem; font-weight: 600; margin-top: 2px; }
.link-up { color: var(--good); }
.link-down { color: #c0392b; }
.clock .btn { align-self: center; }
.note { font-size: .82rem; color: var(--muted); margin: 6px 0 10px; }
.nowline { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--ink); opacity: .55; }
.sw-now { background: var(--ink); width: 3px; opacity: .55; }
.checks { margin-top: 16px; }
.check.pending { opacity: .45; }
@media (max-width: 1000px) {
  .trylab { grid-template-columns: 1fr; }
  .lab-left { position: static; }
  .clock { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) { .clock { grid-template-columns: repeat(2, 1fr); } }

.trylab, #results { scroll-margin-top: 72px; }