@font-face {
  font-family: "Narrow";
  src: url("fonts/narrow-bold.woff") format("woff");
  font-weight: 700;
  font-display: swap;
}

:root {
  --ink: #14181d;
  --steel: #e6e9ec;
  --paper: #f7f8f9;
  --line: #c9cfd5;
  --mute: #56616b;
  --red: #d0342c;
  --blue: #1f5db8;
  --yellow: #e8b10a;
  --green: #1e8a4c;
  --silver: #a3acb5;
  --black: #252a30;
  --slate: #3a424a;
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --num: "Narrow", "DejaVu Sans Condensed", "Arial Narrow", system-ui, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eef1f3;
    --steel: #14181d;
    --paper: #1d2227;
    --line: #333a41;
    --mute: #9aa5af;
    --black: #3b434b;
  }
}

.c-red { --c: var(--red); --on: #fff; }
.c-blue { --c: var(--blue); --on: #fff; }
.c-yellow { --c: var(--yellow); --on: #14181d; }
.c-green { --c: var(--green); --on: #fff; }
.c-silver { --c: var(--silver); --on: #14181d; }
.c-black { --c: var(--black); --on: #fff; }
.c-steel { --c: var(--slate); --on: #fff; }

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--steel);
  color: var(--ink);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

#app {
  max-width: 560px;
  margin: 0 auto;
  min-height: 100vh;
  padding-bottom: calc(150px + var(--safe-b));
}

button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }

.num { font-family: var(--num); font-weight: 700; font-variant-numeric: tabular-nums; }

/* ---------- top band ---------- */
.band {
  background: var(--c, var(--slate));
  color: var(--on, #fff);
  padding: calc(14px + var(--safe-t)) 16px 16px;
}
.band .sub { font-size: 14px; opacity: 0.9; }
.band h1 {
  font: 700 34px/1.05 var(--num);
  margin: 4px 0 6px;
  letter-spacing: -0.01em;
}
.band .row { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; }
.band .clock { font: 700 30px/1 var(--num); font-variant-numeric: tabular-nums; }
.band .bar { height: 6px; background: rgba(255, 255, 255, 0.35); border-radius: 3px; margin-top: 12px; overflow: hidden; }
.band .bar > i { display: block; height: 100%; background: currentColor; width: 0; transition: width 0.2s; }
.band.plain { background: transparent; color: var(--ink); padding-bottom: 6px; }

/* ---------- week strip ---------- */
.week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; padding: 12px 12px 4px; }
.day {
  border: 2px solid transparent;
  border-radius: 10px;
  background: var(--paper);
  padding: 6px 0 0;
  text-align: center;
  min-height: 56px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: space-between;
}
.day b { font: 700 13px var(--num); }
.day em { font-style: normal; font: 700 15px var(--num); height: 18px; }
.day i { display: block; height: 7px; background: var(--c, var(--slate)); }
.day.today { border-color: var(--ink); }
.day.sel { background: var(--c); color: var(--on); }
.day.sel i { background: var(--on); opacity: 0.3; }
.day.off i { background: var(--line); }
.day.done i { height: 7px; }
.day:not(.done) i { opacity: 0.45; }

/* ---------- sections ---------- */
.pad { padding: 14px 16px; }
.h2 { font: 700 22px/1.1 var(--num); margin: 20px 16px 6px; }
.h2 small { font: 400 13px system-ui, sans-serif; color: var(--mute); margin-left: 8px; }
.note { color: var(--mute); font-size: 14px; margin: 0 16px 8px; }
.empty { color: var(--mute); padding: 28px 16px; text-align: center; }

.sheet { background: var(--paper); border-radius: 18px; margin: 12px 12px 0; overflow: hidden; }
.plain-row { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); background: var(--paper); }
.plain-row:last-child { border-bottom: 0; }
.grow { flex: 1; min-width: 0; }
.mute { color: var(--mute); font-size: 13px; }

/* ---------- session list ---------- */
.sess {
  display: flex; align-items: stretch; gap: 0; width: 100%;
  border: 0; border-left: 8px solid var(--c); background: var(--paper);
  text-align: left; padding: 0; margin: 0 0 1px; border-radius: 0;
}
.sess > div { padding: 12px 14px; flex: 1; }
.sess .t { font: 700 20px/1.1 var(--num); }
.sess .m { color: var(--mute); font-size: 13px; margin-top: 2px; }
.sess .go { align-self: center; padding-right: 14px; font: 700 15px var(--num); color: var(--mute); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 20px; border-radius: 12px;
  border: 2px solid var(--c, var(--ink)); background: var(--c, var(--ink)); color: var(--on, var(--steel));
  font-weight: 700;
}
.btn.block { width: 100%; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.danger { background: transparent; color: #c62828; border-color: #c62828; }
.btn.small { min-height: 40px; padding: 0 14px; font-size: 14px; }
.btn[disabled] { opacity: 0.5; }
.actions { display: flex; gap: 10px; padding: 12px 16px; flex-wrap: wrap; }
.actions .btn { flex: 1; }

/* ---------- exercise rows ---------- */
.block-head { display: flex; align-items: baseline; gap: 10px; margin: 22px 16px 6px; }
.block-head h2 { font: 700 24px/1 var(--num); margin: 0; }
.block-head span { color: var(--mute); font-size: 13px; }

.ex { border-left: 8px solid var(--c); background: var(--paper); margin: 0 0 1px; }
.ex.pair { background: color-mix(in srgb, var(--c) 9%, var(--paper)); }
.ex-head {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 10px 14px 10px 10px; border: 0; background: none; text-align: left; min-height: 60px;
}
.tag {
  font: 700 14px var(--num); min-width: 32px; height: 28px; padding: 0 6px; border-radius: 7px;
  background: var(--c); color: var(--on); display: grid; place-items: center; flex: none;
}
.ex-name { font-weight: 600; line-height: 1.2; }
.ex-meta { color: var(--mute); font-size: 13px; margin-top: 2px; }
.prog { font: 700 18px var(--num); color: var(--mute); flex: none; }
.ex.done .prog { color: var(--c); }
.ex.done .ex-name { text-decoration: none; }
.ex.done .tag { background: transparent; color: var(--c); box-shadow: inset 0 0 0 2px var(--c); }

.hint { padding: 0 14px 6px; font-size: 14px; color: var(--mute); }
.hint b { color: var(--ink); font-weight: 600; }
.set { display: grid; grid-template-columns: 22px 1fr 1fr 48px; gap: 6px; align-items: center; padding: 5px 10px; }
.set .n { font: 700 18px var(--num); color: var(--mute); text-align: center; }
.step {
  display: grid; grid-template-columns: 34px 1fr 34px; align-items: stretch;
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--steel);
}
.step button { border: 0; background: transparent; font: 700 22px var(--num); min-height: 46px; padding: 0; }
.step button:active { background: var(--line); }
.step input {
  width: 100%; min-width: 0; border: 0; background: transparent; text-align: center;
  font: 700 20px var(--num); font-variant-numeric: tabular-nums; padding: 0;
}
.step input::placeholder { color: var(--mute); font-weight: 400; font-size: 15px; }
.tick {
  height: 46px; width: 100%; border-radius: 10px; border: 2px solid var(--line); background: transparent;
  font: 700 24px var(--num); color: transparent; padding: 0;
}
.set.done .tick { background: var(--c); border-color: var(--c); color: var(--on); }
.unit { padding: 0 10px 4px 38px; font-size: 12px; color: var(--mute); display: grid; grid-template-columns: 1fr 1fr 48px; gap: 6px; }
.unit span { text-align: center; }

.tips { padding: 6px 14px 4px 14px; font-size: 14px; }
.tips p { margin: 0 0 8px; }
.tips .k { font-weight: 700; }
.push { display: flex; align-items: flex-start; gap: 10px; padding: 8px 14px 4px; font-size: 14px; }
.chip {
  flex: none; border: 2px solid var(--line); background: transparent; border-radius: 999px;
  padding: 4px 12px; font-weight: 700; font-size: 13px; min-height: 34px;
}
.chip.on { background: var(--c); border-color: var(--c); color: var(--on); }
.ex-foot { padding: 6px 14px 14px; }
.ex-foot input { width: 100%; border: 1px solid var(--line); background: var(--steel); border-radius: 10px; padding: 10px 12px; font-size: 16px; }

.check-row { display: flex; gap: 12px; align-items: flex-start; padding: 12px 16px; background: var(--paper); border-left: 8px solid var(--c); margin-bottom: 1px; }
.check-row input[type=checkbox] { width: 26px; height: 26px; accent-color: var(--c); flex: none; margin-top: 1px; }
.check-row label { flex: 1; font-size: 15px; }
.check-row input[type=number] { width: 96px; border: 1px solid var(--line); background: var(--steel); border-radius: 10px; padding: 8px 10px; font-size: 18px; text-align: center; }

/* ---------- rest timer / toast ---------- */
.rest {
  position: fixed; left: 0; right: 0; bottom: calc(62px + var(--safe-b)); margin: 0 auto; max-width: 560px;
  background: var(--ink); color: var(--steel); display: none; align-items: center; gap: 10px; padding: 10px 14px; z-index: 5;
}
.rest.on { display: flex; }
.rest .t { font: 700 30px/1 var(--num); font-variant-numeric: tabular-nums; flex: 1; }
.rest .l { font-size: 13px; opacity: 0.8; }
.rest button { background: transparent; border: 1px solid currentColor; color: inherit; border-radius: 10px; min-height: 40px; padding: 0 14px; font-weight: 700; }
.toast {
  position: fixed; left: 12px; right: 12px; top: calc(12px + var(--safe-t)); margin: 0 auto; max-width: 536px;
  background: var(--ink); color: var(--steel); padding: 12px 16px; border-radius: 12px; z-index: 9; opacity: 0;
  transform: translateY(-8px); transition: opacity 0.2s, transform 0.2s; pointer-events: none;
}
.toast.on { opacity: 1; transform: none; }

/* ---------- nav ---------- */
nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 6; background: var(--paper);
  border-top: 1px solid var(--line); padding-bottom: var(--safe-b);
}
nav div { max-width: 560px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); }
nav button { border: 0; background: none; min-height: 58px; font-weight: 600; font-size: 14px; color: var(--mute); border-top: 4px solid transparent; }
nav button[aria-current=page] { color: var(--ink); border-top-color: var(--ink); }

/* ---------- forms and charts ---------- */
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 12px 16px; }
.form label { display: grid; gap: 4px; font-size: 13px; color: var(--mute); }
.form input, .field {
  width: 100%; min-height: 46px; border: 1px solid var(--line); background: var(--paper); border-radius: 10px;
  padding: 8px 12px; font-size: 18px;
}
.form .wide { grid-column: 1 / -1; }
textarea.field { min-height: 80px; font-size: 16px; }
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; margin: 12px 16px 0; border: 2px solid var(--ink); border-radius: 12px; overflow: hidden; }
.seg button { border: 0; background: transparent; min-height: 42px; font-weight: 700; }
.seg button[aria-pressed=true] { background: var(--ink); color: var(--steel); }
.chart { display: block; width: 100%; height: auto; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .raw { fill: none; stroke: var(--mute); stroke-width: 1.5; opacity: 0.7; }
.chart .avg { fill: none; stroke: var(--c, var(--blue)); stroke-width: 3; stroke-linejoin: round; }
.chart text { fill: var(--mute); font: 700 11px var(--num); }
.chart circle { fill: var(--c, var(--blue)); }
.stat { display: flex; gap: 20px; padding: 6px 16px 0; }
.stat div b { display: block; font: 700 28px/1 var(--num); }
.stat div span { font-size: 13px; color: var(--mute); }
.setline { display: flex; gap: 8px; flex-wrap: wrap; padding: 2px 14px 10px 48px; }
.pill { font: 700 15px var(--num); background: var(--steel); border-radius: 8px; padding: 4px 9px; }

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

.mt12 { margin-top: 12px; }
.mt14 { margin-top: 14px; }
.gap12 { height: 12px; }
.ex-head.static { cursor: default; }
.grow { display: block; }