/* Thème sombre unique : l'application se consulte en salle, souvent en
   éclairage artificiel, et le contraste clair fatigue plus qu'il n'aide. */

:root {
  --bg: #101319;
  --surface: #171b23;
  --surface-2: #1e232d;
  --border: #2a3040;
  --text: #e8ecf4;
  --muted: #8e98ab;
  --accent: #e8613c;          /* le rouge du balisage GR */
  --accent-soft: rgba(232, 97, 60, .14);
  --ok: #4ec98a;
  --warn: #e8b23c;
  --radius: 14px;
  --nav-h: 62px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.app { padding-bottom: calc(var(--nav-h) + env(safe-area-inset-bottom)); }

h1, h2, h3 { line-height: 1.25; margin: 0 0 .4em; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; }
p { margin: 0 0 .8em; }
a { color: var(--accent); }

.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }
.row { display: flex; gap: 10px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.spread { justify-content: space-between; }
.grow { flex: 1; min-width: 0; }
.stack > * + * { margin-top: 12px; }

/* ------------------------------------------------------------- structure */

header.top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 14px 16px calc(14px + env(safe-area-inset-top));
  padding-top: calc(14px + env(safe-area-inset-top));
  background: rgba(16, 19, 25, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
header.top .title { font-weight: 650; font-size: 1.05rem; }
header.top .sub { color: var(--muted); font-size: .8rem; }

main { padding: 16px; max-width: 780px; margin: 0 auto; }

nav.bottom {
  position: fixed; inset: auto 0 0 0; z-index: 30;
  display: grid; grid-template-columns: repeat(5, 1fr);
  background: rgba(23, 27, 35, .96);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom);
}
nav.bottom a {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; height: var(--nav-h); text-decoration: none;
  color: var(--muted); font-size: .68rem; letter-spacing: .01em;
}
nav.bottom a .ico { font-size: 1.25rem; line-height: 1; }
nav.bottom a[aria-current="page"] { color: var(--accent); }

/* ---------------------------------------------------------------- cartes */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.card + .card { margin-top: 12px; }
.card.flush { padding: 0; overflow: hidden; }
.card h2 { margin-bottom: .25em; }

.tag {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: .72rem; font-weight: 600; letter-spacing: .02em;
  background: var(--surface-2); color: var(--muted); border: 1px solid var(--border);
}
.tag.accent { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.tag.ok { background: rgba(78, 201, 138, .14); color: var(--ok); border-color: transparent; }
.tag.warn { background: rgba(232, 178, 60, .14); color: var(--warn); border-color: transparent; }

/* ---------------------------------------------------------------- boutons */

button, .btn {
  font: inherit; font-weight: 600; cursor: pointer;
  border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text);
  padding: 11px 16px; min-height: 44px;
  text-decoration: none; display: inline-flex; align-items: center;
  justify-content: center; gap: 8px;
}
button:active, .btn:active { transform: translateY(1px); }
button.primary, .btn.primary {
  background: var(--accent); border-color: var(--accent); color: #180d09;
}
button.ghost { background: transparent; }
button.danger { color: #ff8f7a; }
button.big { width: 100%; min-height: 58px; font-size: 1.05rem; }
button[disabled] { opacity: .5; cursor: default; }

/* ------------------------------------------------------------ formulaires */

label { display: block; font-size: .82rem; color: var(--muted); margin-bottom: 4px; }
input, select, textarea {
  font: inherit; width: 100%; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 11px 12px; min-height: 44px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
textarea { min-height: 84px; resize: vertical; }
.field + .field { margin-top: 12px; }
.fields-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* --------------------------------------------------------------- séances */

.exercise {
  border-top: 1px solid var(--border); padding: 14px 16px;
  display: flex; gap: 12px; align-items: flex-start;
}
.exercise:first-child { border-top: 0; }
.exercise .check {
  flex: 0 0 26px; height: 26px; border-radius: 8px; margin-top: 2px;
  border: 1px solid var(--border); background: var(--surface-2);
  display: grid; place-items: center; cursor: pointer; color: transparent;
}
.exercise.done .check { background: var(--accent); border-color: var(--accent); color: #180d09; }
.exercise .name { font-weight: 600; }
.exercise .presc { color: var(--muted); font-size: .88rem; }
.exercise .why {
  margin-top: 8px; padding: 10px 12px; border-left: 2px solid var(--accent);
  background: var(--accent-soft); border-radius: 0 8px 8px 0; font-size: .86rem;
}

/* Charge conseillée : au-dessus de la grille de saisie, là où le regard se
   pose avant de charger la barre. */
.suggest {
  margin-top: 9px; padding: 9px 11px; border-radius: 9px;
  background: var(--surface-2); border: 1px solid var(--border);
  font-size: .88rem; display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
}
.suggest > .small { flex-basis: 100%; margin: 0; }
.suggest strong { color: var(--accent); }
button.small-btn {
  min-height: 24px; padding: 0 9px; border-radius: 999px; font-size: .78rem;
  border: 1px solid var(--border);
}

.block-head { padding: 14px 16px 6px; }
.block-head h3 { margin: 0; }
.block-head p { margin: 4px 0 0; }

/* Grille des séries : pensée pour être remplie au pouce, entre deux séries. */
.sets { display: grid; grid-template-columns: 26px 1fr 1fr; gap: 8px; margin-top: 10px; }
.sets .idx { color: var(--muted); font-size: .8rem; align-self: center; }
.sets input { min-height: 40px; padding: 6px 10px; }

/* --------------------------------------------------------------- RPE */

.rpe { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.rpe button { min-height: 52px; font-size: 1.05rem; }
.rpe button.sel { background: var(--accent); border-color: var(--accent); color: #180d09; }

/* ------------------------------------------------------------- calendrier */

.month { margin-bottom: 22px; }
.grid7 { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
.grid7 .dow { color: var(--muted); font-size: .7rem; text-align: center; padding-bottom: 2px; }
.day {
  aspect-ratio: 1; border-radius: 9px; border: 1px solid var(--border);
  background: var(--surface); display: grid; place-items: center;
  font-size: .8rem; color: var(--muted); text-decoration: none; position: relative;
}
.day.empty { border: 0; background: none; }
.day.has { color: var(--text); }
.day.done { background: rgba(78, 201, 138, .18); border-color: rgba(78, 201, 138, .4); color: var(--ok); }
.day.missed { background: rgba(232, 97, 60, .12); border-color: rgba(232, 97, 60, .35); color: var(--accent); }
.day.skipped { opacity: .45; }
.day.today { outline: 2px solid var(--accent); outline-offset: 1px; }
.day .k { position: absolute; bottom: 4px; font-size: .6rem; }

/* --------------------------------------------------------------- jauges */

.meter { height: 10px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.meter > i { display: block; height: 100%; background: var(--accent); border-radius: 999px; }
.meter.ok > i { background: var(--ok); }

.ring { display: block; margin: 0 auto; }
.ring text { fill: var(--text); }

.milestone { border-top: 1px solid var(--border); padding: 13px 16px; }
.milestone:first-child { border-top: 0; }
.milestone .lbl { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 7px; }

/* --------------------------------------------------------------- tableaux */

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { text-align: left; padding: 9px 10px; border-top: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: .78rem; }
tr:first-child th, tr:first-child td { border-top: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* --------------------------------------------------------------- divers */

.list-item {
  border-top: 1px solid var(--border); padding: 13px 16px;
  display: flex; gap: 12px; align-items: center;
}
.list-item:first-child { border-top: 0; }

.sheet-backdrop {
  position: fixed; inset: 0; z-index: 40; background: rgba(0, 0, 0, .6);
  display: flex; align-items: flex-end; justify-content: center;
}
.sheet {
  width: 100%; max-width: 560px; background: var(--surface);
  border-radius: 18px 18px 0 0; border-top: 1px solid var(--border);
  padding: 20px 16px calc(20px + env(safe-area-inset-bottom));
  max-height: 88vh; overflow: auto;
}

.toast {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(var(--nav-h) + 18px); z-index: 50;
  background: var(--surface-2); border: 1px solid var(--border);
  padding: 11px 16px; border-radius: 999px; font-size: .9rem;
  box-shadow: 0 8px 26px rgba(0, 0, 0, .45);
}

.empty { text-align: center; color: var(--muted); padding: 34px 16px; }

.login { max-width: 380px; margin: 12vh auto; padding: 0 20px; }
.login .logo { font-size: 2.6rem; text-align: center; }

@media (min-width: 720px) {
  .fields-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
}