:root {
  --bg: #f6f3ec; --panel: #ffffff; --ink: #1d1e24; --muted: #6a6c78; --line: #e4dfd3;
  --pri: #4b4ded; --pri-ink: #ffffff; --pri-soft: #e9e9ff;
  --ok: #17935c; --ok-soft: #dff5ea; --ko: #d2403f; --ko-soft: #fde6e4; --warn: #c97a00; --warn-soft: #fff0d6;
  --r: 18px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14151a; --panel: #1e2028; --ink: #eeeef2; --muted: #9a9cab; --line: #30323d;
    --pri: #7c7eff; --pri-ink: #0d0e14; --pri-soft: #2a2b4d;
    --ok: #3ecf8e; --ok-soft: #153526; --ko: #ff6b68; --ko-soft: #3d1c1c; --warn: #ffb84d; --warn-soft: #3a2c12;
  }
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg); color: var(--ink);
  font: 17px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%; overscroll-behavior-y: none;
}
body.comfort { font-family: Verdana, -apple-system, "Segoe UI", sans-serif; font-size: 16.5px; line-height: 1.7; letter-spacing: .035em; word-spacing: .12em; }
button, input, select, textarea { font: inherit; color: inherit; letter-spacing: inherit; }
button { cursor: pointer; border: 0; background: none; padding: 0; touch-action: manipulation; }
h1 { font-size: 1.7rem; line-height: 1.2; margin: 0 0 .4rem; }
h2 { font-size: 1.15rem; margin: 0 0 .5rem; }
h3 { font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 1.6rem 0 .6rem; }
p { margin: .5rem 0; }
.muted { color: var(--muted); font-size: .9rem; }
.center { text-align: center; }
.big { font-size: 3.4rem; line-height: 1; margin-bottom: .8rem; }
.lead { font-size: 1.1rem; }

#app { max-width: 560px; margin: 0 auto; min-height: 100%; }
.page { padding: calc(env(safe-area-inset-top) + 20px) 16px calc(env(safe-area-inset-bottom) + 96px); }
.page.center { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 100vh; min-height: 100dvh; padding-bottom: 40px; }
.page.center .btn { margin-top: 1.4rem; }
ul.plain { list-style: none; padding: 0; margin: 1rem 0; text-align: left; display: grid; gap: .6rem; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; margin: 12px 0; display: block; width: 100%; text-align: left; }
.panel p:last-child { margin-bottom: 0; }
.hero { border-color: var(--pri); border-width: 2px; }
.linkpanel b { display: block; margin-bottom: .2rem; }
.linkpanel span { color: var(--muted); font-size: .9rem; }

.btn { display: block; width: 100%; min-height: 56px; padding: 14px 18px; border-radius: 16px; background: var(--pri); color: var(--pri-ink); font-weight: 700; font-size: 1.05rem; margin-top: 12px; transition: transform .08s; }
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .4; }
.btn.ghost { background: var(--pri-soft); color: var(--pri); }
.btn.danger { background: var(--ko-soft); color: var(--ko); }
.link { color: var(--pri); text-decoration: underline; margin-top: .5rem; font-size: .95rem; }

.top { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; }
.streak { font-size: 1.5rem; font-weight: 800; text-align: center; line-height: 1.1; white-space: nowrap; }
.streak small { display: block; font-size: .7rem; font-weight: 500; color: var(--muted); }
.goal { height: 8px; border-radius: 8px; background: var(--line); overflow: hidden; margin: 10px 0 4px; }
.goal.big { height: 12px; margin: 12px 0; }
.goal i { display: block; height: 100%; background: var(--pri); border-radius: 8px; }
.plan { list-style: none; padding: 0; margin: .4rem 0; display: grid; gap: .5rem; }
.plan li { display: flex; gap: .6rem; align-items: baseline; }
.plan span { flex: none; width: 1.5rem; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.statc { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 12px; }
.statc b { display: block; font-size: 1.5rem; line-height: 1.2; font-variant-numeric: tabular-nums; }
.statc span { color: var(--muted); font-size: .82rem; line-height: 1.3; display: block; }
.kpis { margin: 14px 0 4px; }
.kpis .statc { text-align: center; padding: 12px 6px; }
.kpis .statc b { font-size: 1.25rem; }
.tilebtn { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 6px; font-weight: 600; font-size: .92rem; min-height: 84px; }
.tilebtn span { display: block; font-size: 1.6rem; }
.tilebtn:active { background: var(--pri-soft); }

.skrow { display: grid; grid-template-columns: 1fr 70px 56px; gap: 10px; align-items: center; padding: 8px 0; }
.skrow + .skrow { border-top: 1px solid var(--line); }
.skrow div:first-child b { display: block; }
.skrow .num { text-align: right; font-variant-numeric: tabular-nums; font-size: .95rem; }
.meter { height: 8px; background: var(--line); border-radius: 8px; overflow: hidden; }
.meter i { display: block; height: 100%; border-radius: 8px; }
i.g { background: var(--ok); } i.o { background: var(--warn); } i.r { background: var(--ko); }
.note { display: flex; gap: 12px; padding: 6px 0; }
.note span { font-size: 1.3rem; flex: none; }
.note p { margin: 0; }
.fail { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.fail b, .fail span { display: block; }
.hist { display: flex; justify-content: space-between; width: 100%; padding: 12px 0; border-bottom: 1px solid var(--line); }
.hist:last-child { border: 0; }
.chart { display: flex; align-items: flex-end; gap: 4px; height: 120px; }
.chart .col { flex: 1; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 4px; }
.chart i { display: block; width: 100%; border-radius: 4px 4px 0 0; background: var(--line); }
.chart small { font-size: .65rem; color: var(--muted); letter-spacing: 0; }

.set { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 10px 0; min-height: 52px; }
.set + .set { border-top: 1px solid var(--line); }
.set small { display: block; color: var(--muted); font-size: .8rem; }
.set select { padding: 8px 10px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); font-size: 16px; }
.set input[type=checkbox] { width: 26px; height: 26px; accent-color: var(--pri); flex: none; }
.set input[type=range] { width: 45%; accent-color: var(--pri); }
.box { width: 100%; min-height: 110px; margin-top: 12px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); padding: 10px; font-size: 16px; }

nav { position: fixed; left: 0; right: 0; bottom: 0; display: flex; background: var(--panel); border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); z-index: 5; }
nav button { flex: 1; padding: 8px 2px 10px; font-size: .7rem; color: var(--muted); letter-spacing: 0; }
nav button span { display: block; font-size: 1.35rem; filter: grayscale(1); opacity: .6; }
nav button.on { color: var(--pri); font-weight: 700; }
nav button.on span { filter: none; opacity: 1; }
body.insession nav { display: none; }

/* séance */
.sess { display: flex; flex-direction: column; height: 100vh; height: 100dvh; padding-top: env(safe-area-inset-top); }
.sess header { display: flex; align-items: center; gap: 12px; padding: 10px 16px; flex: none; }
.sess .x { width: 40px; height: 40px; font-size: 1.2rem; color: var(--muted); }
.bar { flex: 1; height: 10px; background: var(--line); border-radius: 10px; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--ok); border-radius: 10px; transition: width .25s; }
.combo { min-width: 54px; text-align: right; font-weight: 800; color: var(--warn); }
#stage { flex: 1; overflow-y: auto; padding: 8px 16px 230px; display: flex; flex-direction: column; }
.tag { color: var(--muted); font-size: .88rem; font-weight: 600; margin: 6px 0 10px; }
.prompt { font-size: 2.1rem; font-weight: 800; line-height: 1.2; margin: 6px 0 14px; overflow-wrap: anywhere; }
.prompt.small { font-size: 1.35rem; font-weight: 700; line-height: 1.45; }
.gapm { color: var(--pri); }
.sub { color: var(--muted); margin: -6px 0 14px; }
.row { display: flex; gap: 10px; margin: 6px 0 16px; }
.spk { flex: 1; min-height: 60px; border-radius: 16px; background: var(--pri-soft); color: var(--pri); font-weight: 700; font-size: 1.05rem; padding: 0 14px; }
.spk.slow { flex: 0 0 34%; }
.card .spk { width: 100%; margin-top: 16px; }
.opts { display: grid; gap: 10px; margin-top: auto; padding-top: 10px; }
.opts.two { grid-template-columns: 1fr 1fr; }
.opts.two .opt { text-align: center; font-size: 1.4rem; font-weight: 700; min-height: 96px; }
.opt { min-height: 60px; padding: 12px 16px; border-radius: 16px; background: var(--panel); border: 2px solid var(--line); text-align: left; font-size: 1.05rem; line-height: 1.35; }
.opt:active { border-color: var(--pri); }
.opt.good { border-color: var(--ok); background: var(--ok-soft); }
.opt.bad { border-color: var(--ko); background: var(--ko-soft); }
.opt:disabled { color: inherit; }
.idk { color: var(--muted); padding: 16px; text-decoration: underline; font-size: .95rem; align-self: center; }
.idk:disabled { visibility: hidden; }
.inp { width: 100%; font-size: 1.4rem; padding: 16px; border-radius: 16px; border: 2px solid var(--line); background: var(--panel); margin-top: auto; }
.inp:focus { outline: none; border-color: var(--pri); }
.inp.good { border-color: var(--ok); background: var(--ok-soft); } .inp.near { border-color: var(--warn); background: var(--warn-soft); } .inp.bad { border-color: var(--ko); background: var(--ko-soft); }

.blockintro { margin: auto 0; text-align: center; padding-bottom: 40px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 22px; padding: 22px 18px; margin: auto 0 16px; }
.card .word { font-size: 2.3rem; font-weight: 800; line-height: 1.2; overflow-wrap: anywhere; }
.card .fr { font-size: 1.25rem; color: var(--pri); font-weight: 700; margin: 6px 0 14px; }
.card .ex { border-left: 3px solid var(--line); padding-left: 12px; }
.forms { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
.forms span { background: var(--pri-soft); color: var(--pri); padding: 6px 12px; border-radius: 10px; font-weight: 700; }
.lesson p, .rules p { margin: .7rem 0; }
.rules { margin-top: .6rem; font-size: .92rem; }
.say { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; min-height: 36px; padding: 0 8px; border-radius: 10px; background: var(--pri-soft); vertical-align: middle; font-size: .95rem; }

.built { min-height: 116px; border: 2px dashed var(--line); border-radius: 16px; padding: 10px; display: flex; flex-wrap: wrap; gap: 8px; align-content: flex-start; margin-bottom: 14px; }
.built.good { border-style: solid; border-color: var(--ok); background: var(--ok-soft); } .built.bad { border-style: solid; border-color: var(--ko); background: var(--ko-soft); }
.bank { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.tile { padding: 10px 14px; min-height: 46px; border-radius: 12px; background: var(--panel); border: 2px solid var(--line); font-size: 1.05rem; font-weight: 600; }
.tile.used { opacity: .25; }

#fb { position: fixed; left: 0; right: 0; bottom: 0; max-width: 560px; margin: 0 auto; transform: translateY(110%); transition: transform .18s ease-out; padding: 16px 16px calc(env(safe-area-inset-bottom) + 16px); border-radius: 22px 22px 0 0; max-height: 70vh; overflow-y: auto; z-index: 6; }
#fb.show { transform: none; }
#fb.ok { background: var(--ok-soft); } #fb.ko { background: var(--ko-soft); } #fb.almost { background: var(--warn-soft); }
.fbt { font-weight: 800; font-size: 1.15rem; }
#fb.ok .fbt { color: var(--ok); } #fb.ko .fbt { color: var(--ko); } #fb.almost .fbt { color: var(--warn); }
.fbw { margin-top: 6px; font-size: 1.05rem; }
.fbex { margin-top: 4px; font-size: .95rem; }
#fb.ok .btn { background: var(--ok); color: #fff; } #fb.ko .btn { background: var(--ko); color: #fff; } #fb.almost .btn { background: var(--warn); color: #fff; }

.toast { position: fixed; left: 16px; right: 16px; bottom: calc(env(safe-area-inset-bottom) + 90px); max-width: 520px; margin: 0 auto; background: var(--ink); color: var(--bg); padding: 12px 16px; border-radius: 14px; text-align: center; z-index: 9; font-size: .95rem; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
[hidden] { display: none !important; }