/* Step Counter — warm cream design system
   Sora (display) + Manrope (body)
   #f7f3ec bg / #b8391e accent / #1a1613 text
   Editorial center. Square-ish 4px radius, flat fills, no shadow. */

:root {
  --bg: #f7f3ec;
  --panel: #fffdf9;
  --panel-2: #f0eadf;
  --line: #1a1613;
  --line-soft: #ddd4c5;
  --text: #1a1613;
  --muted: #6d6459;
  --faint: #9c9184;
  --accent: #b8391e;
  --accent-soft: rgba(184, 57, 30, 0.08);
  --ok: #3d6b35;
  --radius: 4px;
  --display: "Sora", "Trebuchet MS", sans-serif;
  --body: "Manrope", -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .display { font-family: var(--display); font-weight: 700; line-height: 1.15; letter-spacing: -0.01em; }
a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
a:hover { text-decoration: none; }
.num { font-variant-numeric: tabular-nums; }
code {
  background: var(--panel-2); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: 0.05em 0.4em; font-size: 0.9em;
}

/* ---------- top navigation ---------- */

.topnav {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 18px;
  border-bottom: 2px solid var(--line);
  background: var(--panel);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.topnav .brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; flex: 0 0 auto; }
.brand-name { font-family: var(--display); font-weight: 800; font-size: 1.02rem; }
.brand-name em { color: var(--accent); font-style: normal; }
.topnav .links { display: flex; gap: 2px; margin-left: auto; flex: 0 0 auto; }
.topnav .links a {
  color: var(--muted); font-size: 0.85rem; font-weight: 600;
  padding: 6px 12px; border-radius: var(--radius);
  text-decoration: none; white-space: nowrap;
}
.topnav .links a:hover { color: var(--accent); background: var(--accent-soft); }
.topnav .links a.here { background: var(--text); color: var(--bg); }

/* ---------- editorial layout ---------- */

.wrap { max-width: 780px; margin: 0 auto; padding: 0 18px 64px; }
.masthead { text-align: center; padding: 30px 0 24px; border-bottom: 2px solid var(--line); }
.kicker {
  display: inline-block;
  font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--muted);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 12px; margin-bottom: 14px;
  background: var(--panel);
}
.masthead h1 { font-size: 2.7rem; margin: 0; }
.masthead .dek { color: var(--muted); max-width: 38em; margin: 12px auto 0; font-size: 1.02rem; }
@media (min-width: 560px) { .masthead h1 { font-size: 3.3rem; } }

.instrument {
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  margin: 26px 0 12px;
}
.figcap {
  display: flex; justify-content: space-between; gap: 10px;
  padding: 9px 16px;
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--muted);
  border-bottom: 1.5px solid var(--line);
}
.figcap .live { color: var(--accent); display: none; }
.figcap .live.on { display: inline; }
.instrument-body { padding: 20px 16px 24px; }
@media (min-width: 560px) { .instrument-body { padding: 26px 28px 30px; } }

/* ---------- step readout ---------- */

.step-count {
  font-family: var(--display); font-weight: 800;
  font-size: 6rem; line-height: 1; text-align: center;
  color: var(--text);
}
.step-count.walking { color: var(--accent); }
.step-label { text-align: center; color: var(--muted); font-size: 0.85rem; margin-top: 2px; }
.state-label { text-align: center; font-size: 0.9rem; min-height: 1.5em; margin-top: 8px; color: var(--muted); }
.state-label.on { color: var(--ok); font-weight: 600; }

.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 18px; }
@media (max-width: 480px) { .stats-row { grid-template-columns: repeat(2, 1fr); } }
.stat {
  background: var(--panel-2);
  border: 1.5px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 10px 8px;
  text-align: center;
}
.stat .k { font-size: 0.64rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--faint); }
.stat .v { font-family: var(--display); font-weight: 700; font-size: 1.25rem; margin-top: 2px; }
.stat .v small { font-size: 0.7rem; color: var(--muted); font-weight: 500; }

/* motion trace */
.trace-wrap { border: 1.5px solid var(--line-soft); border-radius: var(--radius); background: var(--panel); margin-top: 16px; padding: 8px; }
.trace-wrap canvas { width: 100%; height: 64px; display: block; }

/* controls */
.btn {
  display: block; width: 100%;
  background: var(--accent); color: #fff;
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  font-family: var(--display); font-weight: 700; font-size: 1.05rem;
  padding: 14px 20px; cursor: pointer;
  margin-top: 18px;
}
.btn:hover { background: #a02f16; }
.btn.stop { background: var(--panel); color: var(--accent); }
.btn-ghost {
  background: var(--panel); border: 1.5px solid var(--line);
  border-radius: var(--radius); color: var(--text);
  font-family: var(--body); font-size: 0.82rem; font-weight: 600;
  padding: 8px 14px; cursor: pointer;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost:disabled { opacity: 0.4; cursor: default; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.hint { font-size: 0.78rem; color: var(--muted); text-align: center; margin: 10px 0 0; }
.err {
  background: var(--accent-soft);
  border: 1.5px solid var(--accent);
  border-radius: var(--radius);
  color: var(--accent);
  font-size: 0.85rem; padding: 10px 13px; margin-top: 12px; display: none;
}
.err.show { display: block; }

.field-row { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.field-row label { font-size: 0.8rem; font-weight: 600; color: var(--muted); }
.field-row input[type="range"] { flex: 1; accent-color: var(--accent); min-width: 100px; }
.field-row input[type="number"], .field-row select {
  background: var(--panel); border: 1.5px solid var(--line);
  border-radius: var(--radius); color: var(--text);
  font-family: var(--body); font-size: 0.9rem; padding: 7px 10px; width: 86px;
}
.field-row select { width: auto; }

.section-label {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--faint); margin: 18px 0 8px;
}
.row-btns { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

/* honesty box */
.honesty {
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  padding: 13px 15px;
  font-size: 0.86rem;
  color: var(--muted);
  margin-top: 16px;
}
.honesty b { color: var(--text); }

/* session log */
.log-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; margin-top: 8px; }
.log-table th, .log-table td { border: 1.5px solid var(--line-soft); padding: 7px 9px; text-align: left; }
.log-table th { background: var(--panel-2); font-weight: 700; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; }
.log-empty { color: var(--faint); font-size: 0.82rem; }

/* ---------- content ---------- */

.content h2 { font-size: 1.45rem; margin: 42px 0 12px; text-align: center; }
.content > p, .content section > p { color: var(--muted); }

.spec-strip { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 8px; padding: 0; list-style: none; justify-content: center; }
.spec-strip li {
  background: var(--panel); border: 1.5px solid var(--line-soft);
  border-radius: var(--radius); font-size: 0.78rem; color: var(--muted);
  padding: 5px 11px;
}
.spec-strip b { color: var(--accent); font-weight: 700; }

.feature-grid { display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 14px; }
@media (min-width: 640px) { .feature-grid { grid-template-columns: 1fr 1fr; } }
.feature { background: var(--panel); border: 1.5px solid var(--line); border-radius: var(--radius); padding: 15px 15px 13px; }
.feature h3 { font-size: 0.98rem; margin: 0 0 5px; }
.feature p { font-size: 0.85rem; color: var(--muted); margin: 0; }

ol.steps { counter-reset: s; list-style: none; margin: 14px 0 0; padding: 0; }
ol.steps li {
  counter-increment: s; display: flex; gap: 13px;
  padding: 12px 0; border-top: 1.5px solid var(--line-soft);
  color: var(--muted); font-size: 0.95rem;
}
ol.steps li::before {
  content: counter(s);
  font-family: var(--display); font-weight: 800; color: var(--accent);
  font-size: 1.15rem; min-width: 20px;
}
ol.steps b { color: var(--text); }

.faq details { border: 1.5px solid var(--line); border-radius: var(--radius); background: var(--panel); margin-top: 8px; }
.faq summary {
  cursor: pointer; padding: 12px 15px; font-weight: 700; font-size: 0.95rem;
  list-style: none; display: flex; justify-content: space-between; gap: 10px;
}
.faq summary::after { content: "+"; color: var(--accent); flex: 0 0 auto; }
.faq details[open] summary::after { content: "–"; }
.faq .a { padding: 0 15px 12px; color: var(--muted); font-size: 0.9rem; }
.faq .a p { margin: 0 0 8px; }

.card-grid { display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 14px; }
@media (min-width: 640px) { .card-grid { grid-template-columns: 1fr 1fr; } }
a.card {
  display: block; background: var(--panel);
  border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 15px; color: var(--text); text-decoration: none;
}
a.card:hover { border-color: var(--accent); }
a.card:hover h3 { color: var(--accent); }
a.card h3 { font-size: 0.98rem; margin: 3px 0 5px; }
a.card p { font-size: 0.83rem; color: var(--muted); margin: 0; }
a.card .tag { font-size: 0.66rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); }

.site-footer {
  border-top: 2px solid var(--line);
  margin-top: 52px; padding-top: 16px;
  font-size: 0.8rem; color: var(--faint);
}
.site-footer p { margin: 0 0 6px; }
.site-footer a { color: var(--muted); }

/* ---------- sub-tool & article pages ---------- */

.page-wrap { max-width: 720px; margin: 0 auto; padding: 26px 18px 60px; }
.page-wrap h1 { font-size: 2rem; margin: 0 0 8px; }
.page-meta { color: var(--faint); font-size: 0.8rem; margin-bottom: 20px; }
.blog-wrap h2 { font-size: 1.35rem; margin: 34px 0 10px; }
.blog-wrap p { color: var(--muted); }
.blog-wrap p b { color: var(--text); }
.blog-illo { border: 1.5px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 13px; margin: 22px 0; }
.blog-illo svg { width: 100%; height: auto; display: block; }
.blog-cta {
  border: 1.5px solid var(--accent); border-radius: var(--radius);
  background: var(--accent-soft);
  padding: 14px 16px; margin: 28px 0; font-size: 0.93rem;
}

/* big timer displays (stopwatch / interval) */
.big-time {
  font-family: var(--display); font-weight: 800;
  font-size: 4.2rem; line-height: 1; text-align: center;
  padding: 18px 0 6px;
}
.big-time.on { color: var(--accent); }
.laps { list-style: none; margin: 12px 0 0; padding: 0; font-size: 0.9rem; }
.laps li { display: flex; justify-content: space-between; padding: 6px 4px; border-top: 1.5px solid var(--line-soft); color: var(--muted); }
.laps li b { color: var(--text); }
.phase-label { text-align: center; font-family: var(--display); font-weight: 700; font-size: 1.3rem; min-height: 1.6em; }
.phase-label.work { color: var(--accent); }
.phase-label.rest { color: var(--ok); }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }