:root {
  --bg: #f4f6f9; --card: #fff; --text: #14202e; --muted: #5d6b7c; --line: #dde3ea;
  --brand: #0f2a44; --accent: #1d6fd8; --ok: #1a8a4a; --warn: #b26a00; --bad: #c0392b;
  --radius: 14px; color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0e141b; --card: #17202b; --text: #e6edf5; --muted: #93a3b5; --line: #273443;
    --brand: #0a1c2e; --accent: #5ea2ff; --ok: #4cc27f; --warn: #f0a83c; --bad: #ff7b6b; }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif; }
.top { background: var(--brand); color: #fff; padding: 14px 16px; padding-top: max(14px, env(safe-area-inset-top)); }
.top .in { max-width: 760px; margin: 0 auto; display: flex; align-items: center; gap: 10px; }
.top.wide .in { max-width: 1100px; }
.top strong { display: block; font-size: 1.05rem; }
.top span { font-size: .85rem; opacity: .75; }
.top .grow { flex: 1; }
main { max-width: 760px; margin: 0 auto; padding: 16px; }
main.wide { max-width: 1100px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 14px; }
h1 { font-size: 1.35rem; margin: 0 0 4px; line-height: 1.25; }
h2 { font-size: 1.05rem; margin: 0 0 10px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.code { font-family: ui-monospace, Menlo, Consolas, monospace; font-weight: 700; letter-spacing: .03em; }
label.f { display: block; margin: 12px 0 4px; font-size: .88rem; color: var(--muted); }
input, textarea, select { width: 100%; font: inherit; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text); }
textarea { min-height: 70px; resize: vertical; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-weight: 600;
  padding: 11px 16px; border-radius: 10px; border: 1px solid transparent; background: var(--accent); color: #fff; cursor: pointer; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn.ok { background: var(--ok); } .btn.bad { background: transparent; color: var(--bad); border-color: var(--bad); }
.btn.sm { padding: 7px 11px; font-size: .9rem; }
.btn[disabled] { opacity: .5; cursor: default; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row > * { flex: 1 1 200px; }
.err { color: var(--bad); }
.pill { display: inline-block; font-size: .82rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); white-space: nowrap; }
.pill.ok { background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok); }
.pill.warn { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.pill.bad { background: color-mix(in srgb, var(--bad) 14%, transparent); color: var(--bad); }

/* timeline */
.tl { list-style: none; margin: 8px 0 0; padding: 0; }
.tl li { position: relative; padding: 0 0 18px 34px; }
.tl li::before { content: ""; position: absolute; left: 11px; top: 26px; bottom: 0; width: 2px; background: var(--line); }
.tl li:last-child::before { display: none; }
.tl .dot { position: absolute; left: 0; top: 0; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-size: 13px; background: var(--ok); color: #fff; }
.tl li.now .dot { background: var(--accent); box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 20%, transparent); }
.tl li.todo .dot { background: var(--line); color: var(--muted); }
.tl li.todo { color: var(--muted); }
.tl b { display: block; }
.tl .when { font-size: .82rem; color: var(--muted); }
.tl .note { margin-top: 4px; padding: 8px 10px; background: var(--bg); border-radius: 8px; font-size: .92rem; }

.quote { border: 2px solid var(--warn); }
.quote .amount { font-size: 1.8rem; font-weight: 800; margin: 6px 0; }
.ready { border: 2px solid var(--ok); }
.stack > * + * { margin-top: 10px; }
.stack .btn { width: 100%; }