:root{
  --ivory:#F7F3E9;--charcoal:#292826;--orange:#E8754F;--line:rgba(41,40,38,.12);
  --soft:#F0ECE3;--muted:#68625A;--shadow:0 22px 60px rgba(41,40,38,.10)
}
*{box-sizing:border-box}
html{background:var(--ivory);color:var(--charcoal);}
body{margin:0;min-height:100vh;background:var(--ivory)}
button,a,input{font:inherit}
button{-webkit-tap-highlight-color:transparent;touch-action:manipulation}
button:focus-visible,a:focus-visible,.picker-viewport:focus-visible{outline:3px solid rgba(232,117,79,.35);outline-offset:3px}
.app-shell{width:min(100%,720px);margin:auto;min-height:100vh;padding:calc(env(safe-area-inset-top) + 20px) 28px calc(env(safe-area-inset-bottom) + 34px)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:42px}
.brand-link{display:flex;align-items:center;color:var(--charcoal);text-decoration:none}
.brand-logo{display:flex;align-items:center;justify-content:flex-start;width:236px;height:38px;flex:0 0 236px}
.brand-logo img{display:block;width:236px;height:38px;object-fit:contain;object-position:left center}
.space-btn{border:1px solid var(--line);background:rgba(247,243,233,.72);border-radius:12px;padding:10px 14px;color:var(--charcoal);display:flex;align-items:center;gap:8px;cursor:pointer}
.space-user-icon{width:20px;height:20px;flex:0 0 auto}
.cadence-app{display:flex;flex-direction:column;align-items:stretch}
.app-intro{margin:4px 0 34px;}
.eyebrow{color:#E8754F;display:block;font-size:11px;font-weight:850;letter-spacing:.13em;margin-bottom:12px}
.app-intro h1{margin:0;font-size:clamp(44px,11vw,68px);line-height:.92;letter-spacing:calc(-.065em + 3pt);font-weight:900}
.app-intro p{max-width:520px;margin:20px 0 0;color:var(--muted);font-size:15px;line-height:1.55;}
.control-card,.result-card{border:1px solid var(--line);border-radius:24px;background:rgba(255,255,255,.38);padding:22px;margin-top:14px}
.control-card__head,.result-top{display:flex;align-items:center;justify-content:space-between;gap:20px}
.control-card__head>div,.result-top>div{display:flex;flex-direction:column;gap:6px}
.control-label{color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.control-card strong,.result-top strong{font-size:22px;letter-spacing:-.03em}
.round-control,.regenerate-btn{width:66px;height:66px;border:1px solid var(--line);border-radius:50%;background:var(--soft);color:var(--charcoal);font-weight:900;font-size:24px;cursor:pointer}
.regenerate-btn{width:46px;height:46px;font-size:22px}
.number-picker{display:flex;justify-content:center;margin:18px auto 0}
.picker-wheel{position:relative;width:150px;height:190px;overflow:hidden;border:1px solid var(--line);border-radius:22px;background:rgba(247,243,233,.7)}
.picker-viewport{height:100%;overflow-y:auto;scroll-snap-type:y mandatory;overscroll-behavior:contain;scrollbar-width:none;-webkit-overflow-scrolling:touch;touch-action:pan-y}
.picker-viewport::-webkit-scrollbar{display:none}
.picker-spacer{height:66px}
.picker-item{display:block;width:100%;height:56px;border:0;background:transparent;color:var(--muted);font-size:22px;font-weight:700;opacity:.38;transform:scale(.86);scroll-snap-align:center;transition:opacity .12s ease,transform .12s ease,color .12s ease}
.picker-item.active{color:var(--charcoal);opacity:1;transform:scale(1.14)}
.picker-selector{pointer-events:none;position:absolute;left:10px;right:10px;top:50%;height:56px;transform:translateY(-50%);border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.16)}
.generate-btn{margin-top:22px;min-height:82px;border:0;border-radius:42px;background:var(--orange);color:var(--charcoal);font-size:20px;font-weight:850;display:flex;align-items:center;justify-content:center;gap:11px;cursor:pointer;box-shadow:0 18px 38px rgba(232,117,79,.20);transition:.18s ease}
.generate-btn:active{transform:scale(.985)}
.generate-icon{font-size:27px;font-weight:400}
.result-card{margin-top:24px;padding:24px;box-shadow:0 16px 50px rgba(41,40,38,.06)}
.progression{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:26px}
.chord{min-width:0;min-height:112px;border-radius:20px;background:var(--charcoal);color:var(--ivory);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:14px 8px;animation:chordIn .28s cubic-bezier(.2,.8,.2,1) both}
.chord strong{font-size:clamp(25px,7vw,38px);line-height:1;letter-spacing:-.05em;white-space:nowrap}
.chord span{margin-top:10px;color:rgba(247,243,233,.62);font-size:12px;font-weight:800}
.chord:first-child{background:var(--orange)}
@keyframes chordIn{from{opacity:0;transform:translateY(7px) scale(.98)}to{opacity:1;transform:none}}
.result-hint{margin:18px 2px 0;color:var(--muted);font-size:12px;line-height:1.55}
.backdrop{position:fixed;inset:0;background:rgba(41,40,38,.28);backdrop-filter:blur(6px);z-index:20}
.sheet{position:fixed;left:50%;bottom:0;width:min(100%,720px);max-height:78vh;overflow:auto;transform:translate(-50%,105%);background:var(--ivory);border-radius:26px 26px 0 0;padding:12px 24px calc(env(safe-area-inset-bottom) + 28px);z-index:30;box-shadow:0 -24px 70px rgba(41,40,38,.14);transition:transform .3s cubic-bezier(.2,.8,.2,1)}
.sheet.open{transform:translate(-50%,0)}
.sheet-handle{width:42px;height:5px;background:#D5CFC3;border-radius:999px;margin:0 auto 16px}
.sheet-head{display:flex;align-items:center;justify-content:space-between;gap:16px}
h2{letter-spacing:3pt}
.sheet-head h2{font-size:24px;margin:8px 0 18px}
.sheet-close{border:0;background:var(--soft);width:38px;height:38px;border-radius:50%;font-size:25px;cursor:pointer}
.key-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.key-grid button{min-height:62px;border:1px solid var(--line);background:white;border-radius:15px;cursor:pointer;color:var(--charcoal);font-size:18px;font-weight:800}
.key-grid button strong{display:block;font-size:18px;line-height:1.05}.key-grid button small{display:block;margin-top:5px;color:var(--muted);font-size:10px;font-weight:700;line-height:1}.key-grid button.selected small{color:rgba(232,117,79,.7)}
.key-grid button.selected{border-color:var(--orange);box-shadow:inset 0 0 0 1px var(--orange);color:var(--orange)}
.space-links{display:grid;gap:10px}
.space-links a{display:grid;grid-template-columns:1fr auto;gap:3px 16px;border:1px solid var(--line);border-radius:18px;padding:18px;text-decoration:none;color:var(--charcoal);background:white}
.space-links strong{font-size:16px}.space-links span{font-size:13px;color:var(--muted)}
.space-links b{grid-row:1/3;grid-column:2;align-self:center;color:var(--orange);font-size:20px}
@media(min-width:800px){body{background:#EEE9DF}.app-shell{min-height:auto;margin:28px auto;border-radius:36px;background:var(--ivory);box-shadow:var(--shadow);padding:34px 54px 48px}.topbar{margin-bottom:32px}}
@media(max-width:560px){.app-shell{padding-left:22px;padding-right:22px}.topbar{margin-bottom:32px}.space-btn{font-size:14px;padding:9px 11px}.control-card,.result-card{padding:19px}.progression{gap:8px}.chord{min-height:94px;border-radius:17px}.key-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:400px){.topbar{gap:8px}.space-btn{width:40px;height:40px;padding:0}.space-btn span{display:none}}
@media(max-width:360px){.app-shell{padding-left:18px;padding-right:18px}}
@media(max-width:390px){.progression{grid-template-columns:repeat(2,minmax(0,1fr))}}

.control-card--type{padding:8px}
.type-segmented{
  position:relative;
  display:grid;
  grid-template-columns:1fr 1fr;
  width:100%;
  min-height:70px;
  padding:4px;
  border:1px solid var(--line);
  border-radius:20px;
  background:var(--soft);
  overflow:hidden
}
.type-segmented__thumb{
  position:absolute;
  top:4px;bottom:4px;left:4px;
  width:calc(50% - 4px);
  border-radius:16px;
  background:var(--charcoal);
  box-shadow:0 7px 18px rgba(41,40,38,.12);
  transform:translateX(0);
  transition:transform .24s cubic-bezier(.2,.8,.2,1)
}
.type-segmented.is-minor .type-segmented__thumb{transform:translateX(100%)}
.type-option{
  position:relative;
  z-index:1;
  min-height:60px;
  padding:0 18px;
  border:0;
  border-radius:16px;
  background:transparent;
  color:var(--muted);
  font-size:14px;
  font-weight:850;
  cursor:pointer;
  transition:color .18s ease
}
.type-option.active{color:var(--ivory)}
@media(max-width:430px){
  .control-card--type{padding:7px}
  .type-segmented{min-height:66px}
  .type-option{min-height:56px;font-size:13px}
}

/* Cohérence du Lab : introduction centrée uniquement */
.app-intro{text-align:center;}
.app-intro p{margin-left:auto;margin-right:auto;}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

.lab-context-link{max-width:760px;margin:28px auto;padding:0 20px;text-align:center;font-size:.9rem;line-height:1.6;opacity:.82}.lab-context-link a{color:inherit;text-decoration:underline;text-underline-offset:3px}