/* Metronio — one stylesheet for the site and the app. Plain and legible on
   purpose: it is read on a music stand, an arm's length away, between runs.
   Big numbers, high contrast, clean in green and not-clean in red — and
   motion stops for anyone who asks the system for less of it. */

:root {
  color-scheme: light dark;
  --ink: #18212b;
  --bg: #f6f7f9;
  --paper: #ffffff;
  --line: #dde2e8;
  --muted: #566270;
  --brand: #1f4e79;
  --brand-ink: #ffffff;
  --brand-2: #b7791f;
  --sun: #f2b134;
  --good: #217a4b;
  --bad: #b3372f;
  --warn-bg: #f6ecd6;
  --warn-line: #dcc28c;
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8edf2; --bg: #10151b; --paper: #171e26; --line: #2a3440; --muted: #a2adba;
    --brand: #7fb2e5; --brand-ink: #0d1520; --brand-2: #d9a856; --good: #6fc59a; --bad: #ef8a83;
    --warn-bg: #2a2618; --warn-line: #5a4d2a;
  }
}

* { box-sizing: border-box; }
/* Classes that set display (.claim, .btn, .card…) must not win over hidden. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--brand); }
h1 { font: 600 clamp(30px, 5vw, 48px)/1.1 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; letter-spacing: -0.01em; margin: 0 0 14px; }
h2 { font: 600 24px/1.25 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; margin: 36px 0 10px; }
h3 { font-size: 18px; margin: 20px 0 8px; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }
.small, .hint { font-size: 14px; }
.hint { color: var(--muted); margin-top: 6px; }
.error { color: var(--bad); min-height: 1em; }
.ok { color: var(--good); }
.pre { white-space: pre-wrap; }
.lede { font-size: 20px; color: var(--muted); max-width: 660px; }
.kicker { display: inline-block; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; font-size: 12px; color: var(--brand-2); margin-bottom: 8px; }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: var(--paper); padding: 8px 12px; z-index: 10; }

main { max-width: 860px; margin: 0 auto; padding: 36px 20px 72px; }

/* ── Header and footer ─────────────────────────────────────────────────── */

.site-header {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 12px 20px; background: var(--paper); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; font: 700 21px/1 ui-sans-serif, system-ui, sans-serif; color: var(--ink); text-decoration: none; }
.brand span { color: var(--brand); }
.site-header nav { display: flex; gap: 16px; flex-wrap: wrap; }
.site-header nav a { color: var(--muted); text-decoration: none; font-weight: 700; }
.site-header nav a[aria-current="page"], .site-header nav a:hover { color: var(--ink); }
.site-header .account { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.sync-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.sync-dot[data-state="synced"] { background: var(--good); }
.sync-dot[data-state="syncing"] { background: var(--sun); }
.sync-dot[data-state="error"], .sync-dot[data-state="offline"] { background: var(--bad); }

.claim { display: flex; gap: 12px; align-items: center; justify-content: center; flex-wrap: wrap; padding: 10px 20px; background: var(--warn-bg); border-bottom: 1px solid var(--warn-line); }

.site-footer {
  display: flex; gap: 18px; justify-content: space-between; flex-wrap: wrap;
  padding: 26px 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px;
}
.site-footer nav { display: flex; gap: 16px; flex-wrap: wrap; }

/* ── Controls ──────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex; align-items: center; gap: 6px; justify-content: center;
  padding: 11px 20px; border-radius: 999px; border: 2px solid var(--brand);
  background: var(--brand); color: var(--brand-ink); font: inherit; font-weight: 650;
  text-decoration: none; cursor: pointer; transition: transform 0.12s ease, box-shadow 0.12s ease;
  box-shadow: none;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: default; transform: none; }
.btn.big { padding: 15px 28px; font-size: 19px; }
.btn.ghost { background: transparent; color: var(--brand); box-shadow: none; }
.btn.danger { background: transparent; color: var(--bad); border-color: var(--bad); box-shadow: none; }
.btn.small { padding: 5px 13px; font-size: 14px; box-shadow: none; }
.btn.link { background: none; border: 0; padding: 0; color: var(--brand); text-decoration: underline; font-weight: 600; box-shadow: none; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }

label { display: block; font-weight: 700; font-size: 14px; margin: 12px 0 4px; }
label.inline { display: inline-flex; gap: 8px; align-items: center; font-weight: 600; margin: 0; }
input, select, textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--paper);
  border: 1px solid var(--line); border-radius: 12px; padding: 9px 12px;
}
input[type="checkbox"], input[type="radio"] { width: auto; }
textarea { min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid color-mix(in srgb, var(--brand) 45%, transparent); outline-offset: 1px; }
.honeypot { position: absolute; left: -5000px; }

/* ── Blocks ────────────────────────────────────────────────────────────── */

.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin: 14px 0; }
.card > h2:first-child, .card > h3:first-child { margin-top: 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin: 16px 0 20px; }
.stat { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat .k { color: var(--muted); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; }
.stat .v { font-size: 22px; font-weight: 900; letter-spacing: -0.01em; }
.bar { height: 10px; border-radius: 99px; background: var(--line); overflow: hidden; margin-top: 8px; }
.bar span { display: block; height: 100%; background: var(--brand); border-radius: 99px; }
.notice { background: var(--warn-bg); border: 2px solid var(--warn-line); border-radius: var(--radius); padding: 12px 14px; margin: 12px 0; }
.empty { color: var(--muted); padding: 22px; text-align: center; border: 2px dashed var(--line); border-radius: var(--radius); }
.pill { display: inline-block; padding: 1px 9px; margin-left: 6px; border-radius: 99px; font-size: 12px; font-weight: 700; border: 1px solid var(--line); color: var(--muted); }
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 50;
  background: var(--ink); color: var(--bg); padding: 12px 20px; border-radius: 999px; font-weight: 700;
  box-shadow: 0 10px 30px rgb(0 0 0 / 0.25); animation: rise 0.25s ease; max-width: calc(100% - 32px); text-align: center;
}
.toast.out { opacity: 0; transition: opacity 0.5s; }

table { width: 100%; border-collapse: collapse; }
dialog { border: 1px solid var(--line); border-radius: 22px; padding: 22px 24px; max-width: 560px; width: calc(100% - 32px); background: var(--paper); color: var(--ink); }
dialog::backdrop { background: rgb(10 18 28 / 0.5); }

/* ── App ───────────────────────────────────────────────────────────────── */

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: -6px 0 22px; }
.tabs a, .tabs .tab { padding: 7px 14px; text-decoration: none; color: var(--muted); font: inherit; font-weight: 650; font-size: 15px; border-radius: 999px; border: 1px solid var(--line); background: var(--paper); cursor: pointer; }
.tabs a[aria-current="page"], .tabs .tab[aria-pressed="true"] { color: var(--brand-ink); background: var(--brand); border-color: var(--brand); }
.app-top { display: flex; gap: 12px; align-items: flex-start; flex-wrap: wrap; justify-content: space-between; }
.crumbs { font-size: 14px; margin-bottom: 6px; }

.passages { list-style: none; padding: 0; margin: 0; }
.passage-row { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; padding: 12px 0; border-top: 1px solid var(--line); }
.passage-row:first-child { border-top: 0; }
.passage-row a.title { font-weight: 700; text-decoration: none; color: var(--ink); }
.passage-row .meta { color: var(--muted); font-size: 14px; }
.ladder-mini { display: flex; gap: 3px; align-items: flex-end; height: 22px; }
.ladder-mini span { width: 8px; border-radius: 2px; background: var(--line); }
.ladder-mini span.done { background: var(--good); }
.ladder-mini span.now { background: var(--brand); }

.metronome { text-align: center; padding: 22px 18px; }
.bpm { font: 800 clamp(64px, 16vw, 112px)/1 ui-sans-serif, system-ui, sans-serif; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.bpm small { font-size: 0.22em; font-weight: 700; color: var(--muted); letter-spacing: 0; margin-left: 6px; }
.beats { display: flex; gap: 10px; justify-content: center; margin: 16px 0; }
.beats span { width: 18px; height: 18px; border-radius: 50%; background: var(--line); }
.beats span.accent { outline: 2px solid var(--brand); outline-offset: 2px; }
.beats span.on { background: var(--sun); }
.metronome .controls { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 8px; }
.streak { display: flex; gap: 6px; justify-content: center; margin: 10px 0 0; }
.streak span { width: 14px; height: 14px; border-radius: 4px; border: 2px solid var(--good); }
.streak span.on { background: var(--good); }
.rate { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }
.rate .btn { padding: 18px; font-size: 19px; border-radius: 16px; }
.btn.clean { background: var(--good); border-color: var(--good); color: #fff; }
.btn.sloppy { background: transparent; border-color: var(--bad); color: var(--bad); }
.nudge { margin-top: 12px; font-weight: 650; }

.ladder { list-style: none; padding: 0; margin: 8px 0; display: flex; flex-wrap: wrap; gap: 6px; }
.ladder li { padding: 4px 10px; border-radius: 8px; border: 1px solid var(--line); font-variant-numeric: tabular-nums; font-size: 14px; color: var(--muted); }
.ladder li.done { background: color-mix(in srgb, var(--good) 14%, var(--paper)); border-color: var(--good); color: var(--good); }
.ladder li.now { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); font-weight: 700; }

.chart { width: 100%; height: auto; display: block; }
.chart .axis { stroke: var(--line); }
.chart text { fill: var(--muted); font-size: 11px; }
.chart .rung { fill: none; stroke: var(--brand); stroke-width: 2; }
.chart .target { stroke: var(--brand-2); stroke-dasharray: 4 4; }
.chart .clean { fill: var(--good); }
.chart .sloppy { fill: var(--bad); }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 5px; vertical-align: middle; }

.runs { width: 100%; font-size: 14px; }
.runs td, .runs th { text-align: left; padding: 5px 8px 5px 0; border-top: 1px solid var(--line); font-variant-numeric: tabular-nums; }
.good { color: var(--good); font-weight: 650; }
.bad { color: var(--bad); font-weight: 650; }
.score { width: 100%; max-height: 300px; object-fit: contain; border-radius: 10px; border: 1px solid var(--line); background: #fff; margin: 6px 0; }
.note-out ol { padding-left: 20px; }
.conflict { border-top: 1px solid var(--warn-line); padding-top: 10px; margin-top: 10px; }
.versions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
blockquote { margin: 6px 0; padding: 8px 12px; background: var(--bg); border-radius: 10px; white-space: pre-wrap; font-size: 15px; }

/* ── Marketing ─────────────────────────────────────────────────────────── */

.hero { padding: 16px 0 6px; }
.hero h1 { font-size: clamp(36px, 6.5vw, 60px); letter-spacing: -0.02em; }
.hero .cta { margin-top: 20px; }
.demo-ladder { display: flex; align-items: flex-end; gap: 8px; height: 150px; margin: 30px 0 4px; }
.demo-ladder div { flex: 1; border-radius: 6px 6px 0 0; background: color-mix(in srgb, var(--good) 75%, var(--paper)); display: flex; align-items: flex-start; justify-content: center; color: #fff; font-weight: 700; font-size: 13px; padding-top: 4px; }
.demo-ladder div.now { background: var(--brand); }
.demo-ladder div.next { background: var(--line); color: var(--muted); }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.features .card { margin: 0; }
.features h3 { margin-top: 0; }
.plan-plus { border-color: var(--brand-2); }
.steps { counter-reset: step; padding: 0; list-style: none; }
.steps li { counter-increment: step; position: relative; padding-left: 48px; margin: 0 0 16px; }
.steps li::before { content: counter(step); position: absolute; left: 0; top: -2px; width: 34px; height: 34px; border-radius: 50%; background: var(--brand); color: var(--brand-ink); display: grid; place-items: center; font-weight: 700; }
.callout { background: color-mix(in srgb, var(--brand) 9%, var(--paper)); border-radius: 22px; padding: 6px 26px 18px; margin-top: 36px; }
details summary { cursor: pointer; }

@media (max-width: 700px) {
  .versions { grid-template-columns: 1fr; }
  .site-header .account { margin-left: 0; }
}

/* ── Motion ────────────────────────────────────────────────────────────── */

@keyframes rise { from { transform: translate(var(--tx, 0), 10px); opacity: 0; } to { transform: translate(var(--tx, 0), 0); opacity: 1; } }
.toast { --tx: -50%; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}