/* Palestra — un solo foglio di stile.
   Concetto e token: docs/superpowers/specs/2026-09-20-ui-redesign.md
   Regola di forma: le caselle dei dati hanno angoli vivi e bordo pieno,
   i controlli che si toccano hanno raggio 12. Rilievo solo con bordo e
   scarto "a stampa" di 3 px sull'azione primaria. */

/* ---------------------------------------------------------------- token */
:root {
  color-scheme: light dark;

  --paper: #E9EDF0;   /* carta della scheda */
  --chalk: #FFFFFF;   /* superfici delle caselle */
  --ink: #12161B;     /* testo, righe, serie fatte */
  --muted: #4A545F;   /* etichette */
  --edge: #12161B;    /* bordi pieni */
  --line: #12161B26;  /* righe sottili */

  --red: #D8322B;        /* disco rosso: campiture e tratti */
  --red-text: #B0241E;   /* stesso rosso, leggibile come testo */
  --on-red: #FFFFFF;
  --blue: #2D5BD0;
  --on-blue: #FFFFFF;
  --yellow: #F0B429;
  --on-yellow: #12161B;

  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-l: env(safe-area-inset-left, 0px);
  --safe-r: env(safe-area-inset-right, 0px);
  --pad-x: 16px;

  --display: 'Big Shoulders Display', 'Arial Narrow', system-ui, sans-serif;
  --text: 'Hanken Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0E1115;
    --chalk: #171B21;
    --ink: #E9EDF0;
    --muted: #A6B0BC;
    --edge: #5A6675;
    --line: #E9EDF033;
    --red-text: #F0483E;
    --blue: #6F93FF;
    --on-blue: #0E1115;
  }
}

/* ----------------------------------------------------------- fondamenta */
*, *::before, *::after { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { background: var(--paper); }

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: 17px;
  line-height: 1.45;
  font-variant-numeric: tabular-nums;
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3 { font-family: var(--display); font-weight: 800; line-height: 1.1; margin: 0 0 8px; }
h1 { font-size: 36px; letter-spacing: .01em; }
h2 { font-size: 28px; }
h3 { font-size: 22px; font-weight: 700; }

p { margin: 0 0 12px; }

button, input { font: inherit; color: inherit; }

button {
  min-height: 48px;
  min-width: 48px;
  border: 2px solid var(--edge);
  border-radius: 12px;
  background: var(--chalk);
  color: var(--ink);
  padding: 0 16px;
  font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
}
button:disabled { opacity: .3; cursor: default; }
button:active:not(:disabled) { background: color-mix(in srgb, var(--chalk) 88%, var(--ink)); }

button.primary {
  background: var(--red);
  border-color: var(--red);
  color: var(--on-red);
  font-family: var(--display);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: .02em;
  box-shadow: 3px 3px 0 var(--edge);
}
button.primary:active:not(:disabled) {
  background: var(--red);
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--edge);
}

input {
  width: 100%;
  min-height: 52px;
  border: 2px solid var(--edge);
  border-radius: 12px;
  background: var(--chalk);
  padding: 0 14px;
}
input::placeholder { color: var(--muted); opacity: 1; }

:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }

.icon { display: block; width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* --------------------------------------------------------------- pagina */
main {
  max-width: 560px;
  margin: 0 auto;
  padding: max(14px, env(safe-area-inset-top)) max(var(--pad-x), var(--safe-r))
           calc(88px + var(--safe-b)) max(var(--pad-x), var(--safe-l));
}
main.session { padding-bottom: calc(112px + var(--safe-b)); }

.back {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  margin: 0 0 6px -6px;
  padding: 0 6px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}
.back:hover { color: var(--ink); }

.eyebrow { display: block; color: var(--muted); font-size: 14px; margin: -4px 0 14px; }

/* --------------------------------------------------------------- avvisi */
#toast {
  position: fixed;
  left: max(12px, var(--safe-l));
  right: max(12px, var(--safe-r));
  bottom: calc(104px + var(--safe-b));
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 16px;
  line-height: 1.3;
  max-width: 560px;
  margin: 0 auto;
}
#toast[hidden] { display: none; }
#toast button {
  flex: 0 0 auto;
  background: transparent;
  color: inherit;
  border-color: currentColor;
  padding: 0 20px;
  font-weight: 700;
}
#toast button:active:not(:disabled) { background: color-mix(in srgb, transparent 70%, var(--paper)); }

/* ------------------------------------------------- stati: carico/errore */
.state { display: grid; gap: 12px; justify-items: start; padding-top: 72px; }
.state h2 { margin: 0; }
.state-msg { margin: 0; color: var(--muted); }
.state-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.linkbtn {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 18px;
  border: 2px solid var(--edge);
  border-radius: 12px;
  color: inherit;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
}

/* ----------------------------------------------------------------- home */
.greet { margin-bottom: 18px; }
.greet h1 { margin: 0; }
.greet .date { margin: 2px 0 0; color: var(--muted); font-size: 15px; }

.section-title { font-size: 20px; margin: 0 0 8px; }

.week { border: 2px solid var(--edge); background: var(--chalk); padding: 12px 10px; margin: 0 0 22px; }
.days { display: grid; grid-template-columns: repeat(7, 1fr); list-style: none; margin: 0; padding: 0; }
.days li { display: flex; flex-direction: column; align-items: center; gap: 9px; font-size: 13px; color: var(--muted); }
.days .dot { width: 13px; height: 13px; border: 2px solid var(--line); border-radius: 50%; }
.days .dot.filled { background: var(--ink); border-color: var(--ink); }
.days li.today .dow { color: var(--red-text); font-weight: 700; }
.days li.today .dot { border-color: var(--red); }

.card {
  display: block;
  border: 2px solid var(--edge);
  background: var(--chalk);
  color: inherit;
  text-decoration: none;
  padding: 12px 14px;
  margin: 0 0 10px;
}
.card h3 { margin: 0; }
.card small { display: block; color: var(--muted); font-size: 14px; }

.card.next { padding: 18px 16px 16px; }
.card.next h3 { font-size: 34px; font-weight: 800; margin-bottom: 2px; }
.card.next small { font-size: 15px; }
.card.next .cta {
  display: inline-flex;
  align-items: center;
  margin-top: 14px;
  padding: 12px 22px;
  border-radius: 12px;
  background: var(--red);
  color: var(--on-red);
  box-shadow: 3px 3px 0 var(--edge);
  font-family: var(--display);
  font-size: 22px;
  font-weight: 800;
}
.card.compact { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.card.compact h3 { font-size: 20px; }
.card.compact small { text-align: right; flex: 0 0 auto; }

/* righe dell'elenco progressi: terza gerarchia, più leggera delle schede */
.card.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-width: 0 0 2px;
  border-color: var(--line);
  background: transparent;
  padding: 14px 2px;
  margin: 0;
  font-size: 17px;
}
.card.row::after { content: '›'; color: var(--muted); font-size: 22px; line-height: 1; }
h3.group + .card.row { border-top: 2px solid var(--line); }
h3.group { margin: 26px 0 2px; color: var(--muted); font-size: 18px; font-weight: 700; }
h3.group:first-of-type { margin-top: 12px; }

.tips { margin: 22px 0 0; }
.tip { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin: 0 0 8px; font-size: 15px; }

.badge {
  display: inline-block;
  padding: 4px 9px;
  background: var(--ink);
  color: var(--paper);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
}
.badge.increase { background: var(--blue); color: var(--on-blue); }
.badge.hold { background: var(--yellow); color: var(--on-yellow); }
.badge.decrease { background: var(--ink); color: var(--paper); }

.empty {
  border: 2px dashed var(--line);
  background: var(--chalk);
  padding: 20px 16px;
  color: var(--muted);
  margin: 0 0 12px;
}

/* ----------------------------------------------------------------- tabs */
.tabs {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 6;
  display: flex;
  background: var(--chalk);
  border-top: 2px solid var(--edge);
  padding: 0 var(--safe-r) var(--safe-b) var(--safe-l);
}
.tabs a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 62px;
  padding: 8px 4px;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
}
.tabs a[aria-current] { color: var(--red-text); box-shadow: inset 0 3px 0 var(--red); }

/* ------------------------------------------------------------- sessione */
.rail { display: flex; gap: 3px; margin: 2px 0 10px; }
.rail .seg { flex: 1; height: 7px; background: var(--line); }
.rail .seg.done { background: var(--ink); }
.rail .seg.now { background: var(--red); }

.crumb { display: block; color: var(--muted); font-size: 14px; margin: 0 0 10px; }

.ex-nav { display: grid; grid-template-columns: 1fr 48px 48px; gap: 8px; align-items: end; margin: 0 0 10px; }
.ex-nav h2 { grid-column: 1; margin: 0; font-size: clamp(26px, 8.2vw, 34px); align-self: end; }
.ex-nav button { padding: 0; font-family: var(--display); font-size: 26px; }

.note { margin: 0 0 10px; color: var(--muted); font-style: italic; font-size: 15px; }
.prev-line { margin: 0 0 12px; color: var(--muted); font-size: 15px; }
.sug { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; font-size: 15px; color: var(--muted); }

/* tabellone delle serie: l'unico punto in cui il progetto alza la voce */
.grid {
  display: grid;
  grid-template-columns: 40px repeat(var(--n), 1fr);
  gap: 2px;
  background: var(--edge);
  border: 2px solid var(--edge);
  margin: 0 0 20px;
}
.grid > * {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--chalk);
  min-height: 0;
  padding: 2px;
}
.grid .hd, .grid .label {
  background: var(--paper);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  min-height: 28px;
}
.grid .hd.now { color: var(--red-text); font-weight: 700; }
.grid .label { font-size: 12px; }

.cell {
  border: 0;
  border-radius: 0;
  padding: 0;
  font-family: var(--display);
  font-weight: 800;
  line-height: 1;
  transition: background .15s;
}
.cell.reps { min-height: 54px; font-size: 27px; }
.cell.kg { min-height: 82px; font-size: 46px; letter-spacing: -.01em; }
.cell.done { background: var(--ink); color: var(--paper); }
.cell.unsaved { background: var(--yellow); color: var(--on-yellow); }
.cell.active { box-shadow: inset 0 0 0 4px var(--red); }
.cell.done.active { box-shadow: inset 0 0 0 3px var(--paper), inset 0 0 0 6px var(--red); }
.cell:focus-visible { outline-offset: -4px; }
@keyframes stamp { from { transform: scale(1.09); } to { transform: scale(1); } }
.cell.stamp { animation: stamp 180ms ease-out; }

.field { display: block; margin: 0 0 14px; }
.field-name { display: block; color: var(--muted); font-size: 14px; font-weight: 600; margin-bottom: 6px; }

.stepper { display: flex; align-items: stretch; gap: 10px; }
.stepper button {
  flex: 0 0 76px;
  min-height: 64px;
  font-family: var(--display);
  font-size: 30px;
  font-weight: 800;
  padding: 0;
}
.stepper .val {
  flex: 1;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
  border: 2px solid var(--line);
  background: var(--chalk);
  min-height: 64px;
  line-height: 1;
  padding: 0 4px;
}
.stepper .val b { font-family: var(--display); font-size: 42px; font-weight: 800; }
.stepper .val i { font-style: normal; font-size: 15px; color: var(--muted); }

.effort { display: flex; margin: 0 0 4px; border: 2px solid var(--edge); border-radius: 12px; overflow: hidden; }
.effort button {
  flex: 1;
  min-height: 52px;
  border: 0;
  border-radius: 0;
  border-left: 2px solid var(--edge);
  background: var(--chalk);
  padding: 0 6px;
}
.effort button:first-child { border-left: 0; }
.effort button[aria-pressed="true"] { background: var(--ink); color: var(--paper); font-weight: 700; }
.effort button:focus-visible { outline-offset: -3px; }

.cardio { display: grid; gap: 4px; }
.cardio .primary { width: 100%; margin-top: 6px; }

.actions {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 6;
  display: flex;
  gap: 10px;
  background: var(--paper);
  border-top: 2px solid var(--edge);
  padding: 12px max(var(--pad-x), var(--safe-r)) calc(12px + var(--safe-b)) max(var(--pad-x), var(--safe-l));
}
.actions:empty { display: none; }
.actions button { flex: 1; min-height: 60px; }
.actions button.primary { flex: 1.6; }
.actions button:not(.primary) { font-size: 15px; }

/* barra del recupero: scorre col contenuto e si ferma in alto */
.rest-bar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--ink);
  color: var(--paper);
  padding: 8px max(var(--pad-x), var(--safe-l)) 12px max(var(--pad-x), var(--safe-r));
  font-family: var(--display);
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
}
.rest-bar[hidden] { display: none; }
.rest-bar button {
  min-height: 48px;
  background: transparent;
  color: inherit;
  border-color: currentColor;
  font-family: var(--text);
  font-size: 16px;
}
.rest-bar::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  height: 4px;
  width: calc(var(--p, 1) * 100%);
  background: var(--red);
  transition: width .25s linear;
}

/* ------------------------------------------------------------ progressi */
.chart-frame { border: 2px solid var(--edge); background: var(--chalk); padding: 10px 8px 8px; margin: 0 0 14px; }
.chart { display: block; width: 100%; height: auto; }
.chart .grid-line { stroke: var(--line); stroke-width: 1; }
.chart .axis { stroke: var(--edge); stroke-width: 2; }
.chart polyline { fill: none; stroke: var(--red); stroke-width: 3; stroke-linejoin: round; stroke-linecap: round; }
.chart circle { fill: var(--chalk); stroke: var(--red); stroke-width: 3; }
.chart circle.last { fill: var(--red); }
.chart text { fill: var(--muted); font-family: var(--text); font-size: 12px; font-weight: 600; }
.chart text.value { fill: var(--ink); font-family: var(--display); font-size: 20px; font-weight: 800; }
.delta { display: flex; align-items: baseline; gap: 8px; margin: 0 0 14px; color: var(--muted); font-size: 15px; }
.delta b { font-family: var(--display); font-size: 30px; font-weight: 800; color: var(--ink); }

/* --------------------------------------------------------------- accesso */
.login {
  max-width: 420px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
  min-height: 100dvh;
  align-content: center;
  padding: 24px max(20px, var(--safe-r)) calc(24px + var(--safe-b)) max(20px, var(--safe-l));
}
.brand { display: flex; align-items: center; gap: 10px; margin: 0 0 10px; }
.brand h1 { margin: 0; font-size: 52px; line-height: .9; }
.brand .icon { width: 46px; height: 46px; stroke-width: 2.2; color: var(--red-text); }
.login .field { margin: 0; }
.login .primary { width: 100%; min-height: 60px; margin-top: 6px; }

/* --------------------------------------------------------------- moto */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  button.primary:active:not(:disabled) { transform: none; }
}