:root { --bg: #f7f7f5; --fg: #1d1d1b; --muted: #6b6b66; --card: #fff; --line: #e2e2dc; --accent: #2f5d50; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #161615; --fg: #ececea; --muted: #a3a39d; --card: #20201f; --line: #33332f; --accent: #8fc2b2; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 24px 16px; }
h1 { font-size: 1.6rem; margin: 0 0 12px; }
h2 { font-size: 1.05rem; margin: 0 0 4px; }
p { color: var(--muted); }
a { color: var(--accent); }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.button, button { display: inline-block; padding: 10px 16px; border-radius: 8px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--bg); text-decoration: none; font: inherit; cursor: pointer; }
.top button { background: transparent; color: var(--accent); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-top: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.card p { margin: 0; }
.card.wide { grid-column: 1 / -1; }
.notice { color: var(--accent); }
.warn { color: #b3541e; }
.small { font-size: 0.875rem; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 8px 0 0; }
.stack { display: grid; gap: 8px; margin-top: 8px; }
label { color: var(--muted); font-size: 0.9rem; }
input[type=text], input[type=email], input:not([type]) { padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--fg); font: inherit; }
button.quiet { background: transparent; color: var(--accent); }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 0.95rem; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
details summary { cursor: pointer; color: var(--muted); }
/* stage 3: navigation and guided pages */
.nav { display: flex; gap: 4px; align-items: center; max-width: 760px; margin: 0 auto; padding: 8px 12px 0; overflow-x: auto; }
.nav a { padding: 8px 12px; border-radius: 8px; text-decoration: none; color: var(--muted); white-space: nowrap; }
.nav a.on { background: var(--card); color: var(--fg); border: 1px solid var(--line); }
.nav .signout { margin-left: auto; }
.nav .signout button { background: transparent; color: var(--muted); border-color: transparent; padding: 8px 10px; }
.lead { color: var(--fg); font-size: 1.05rem; }
.box { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin: 14px 0; }
.box h2 { margin-bottom: 8px; }
.box ol, .box ul { padding-left: 20px; color: var(--fg); }
.box li { margin: 4px 0; }
.warnbox { border-color: #d9a066; }
details.box summary { cursor: pointer; list-style: none; }
details.box summary h2 { display: inline; }
details.box summary::before { content: '▸ '; color: var(--muted); }
details.box[open] summary::before { content: '▾ '; }
.next { background: var(--accent); color: var(--bg); border-radius: 10px; padding: 14px 16px; margin: 14px 0; }
.next p { color: var(--bg); opacity: .9; margin: 6px 0 10px; }
.next .button { background: var(--bg); color: var(--accent); border-color: var(--bg); }
.steps { list-style: none; padding: 0; margin: 16px 0; counter-reset: step; }
.step { display: flex; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.step h2 { margin: 0; }
.step h2::before { counter-increment: step; content: counter(step) '. '; color: var(--muted); }
.step p { margin: 2px 0 4px; }
.badge { flex: 0 0 92px; font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; padding: 4px 0; color: var(--muted); }
.step.done .badge { color: var(--accent); }
.step.ready .badge { color: #b3541e; font-weight: 600; }
.step.soon, .step.wait { opacity: .6; }
.whatnext { border-left: 3px solid var(--accent); padding: 4px 12px; margin: 12px 0; }
.whatnext p { margin: 4px 0 0; }
.bar { height: 8px; background: var(--line); border-radius: 4px; overflow: hidden; }
.bar span { display: block; height: 100%; background: var(--accent); }
.tree { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; font-size: .85rem; overflow-x: auto; }
textarea, select, input[type=date], input[type=time], input[type=file] { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--fg); font: inherit; }
input[type=file] { padding: 6px; }
.stack label { display: block; }
.stack label input:not([type=file]), .stack label select, .stack label textarea { display: block; width: 100%; margin-top: 4px; }
.row label input, .row label select { display: block; margin-top: 4px; }
.entry { border-top: 1px solid var(--line); padding: 10px 0; }
.entry .meta { color: var(--muted); font-size: .9rem; }
.entry .text { color: var(--fg); white-space: pre-wrap; margin: 4px 0; }
a.button.quiet { background: transparent; color: var(--accent); }
@media (max-width: 480px) { .step { flex-direction: column; gap: 2px; } .badge { flex: none; } }
/* rhythm home and catch-up */
.status { color: var(--muted); font-size: .9rem; margin: 0 0 8px; }
.card.link { display: block; text-decoration: none; color: inherit; }
.card.link:hover { border-color: var(--accent); }
.card.link h2 { color: var(--accent); }
.card.soon { opacity: .6; }
.box details { margin: 8px 0; }
.box details summary { color: var(--accent); cursor: pointer; }