/* RISC Labo — shell applicatif transverse v0.2.0 */
.risc-shell{
  --risc-sidebar-width:286px;
  min-height:100vh;
  display:grid;
  grid-template-columns:var(--risc-sidebar-width) minmax(0,1fr);
}
.risc-sidebar{
  position:sticky;
  top:0;
  z-index:20;
  height:100vh;
  overflow-y:auto;
  padding:22px 16px 20px;
  color:#fff;
  background:linear-gradient(180deg,var(--risc-brand-strong) 0%,var(--risc-brand) 52%,#111467 100%);
  border-right:3px solid var(--risc-accent);
  scrollbar-width:none;
}
.risc-sidebar::-webkit-scrollbar{width:0;height:0}
.risc-logo{
  display:block;
  width:var(--risc-logo-width,184px);
  height:auto;
  margin:0 auto 18px;
  padding:7px;
  object-fit:contain;
  background:#fff;
  border-radius:var(--risc-radius-lg);
  box-shadow:0 10px 24px rgba(0,0,0,.16);
}
.risc-main{min-width:0;background:var(--risc-page)}
.risc-topbar{
  position:sticky;
  top:0;
  z-index:15;
  min-height:76px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;
  gap:16px;
  padding:11px 28px;
  background:#fff;
  border-bottom:1px solid var(--risc-border);
  box-shadow:0 3px 16px rgba(8,11,143,.05);
}
.risc-topbar__left{justify-self:start;min-width:0;display:flex;align-items:center;gap:10px}
.risc-topbar__center{justify-self:center;min-width:0;text-align:center}
.risc-topbar__right{justify-self:end;min-width:0;display:flex;align-items:center;gap:10px}
.risc-product-title{
  margin:0;
  color:var(--risc-brand);
  background:#fff;
  font-size:24px;
  line-height:1.05;
  font-weight:900;
  letter-spacing:-.025em;
  white-space:nowrap;
}
.risc-home-link,.risc-back-link{
  min-height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:8px 11px;
  border:1px solid var(--risc-border-strong);
  border-radius:10px;
  background:#fff;
  color:var(--risc-brand);
  text-decoration:none;
  font-size:13px;
  font-weight:800;
  line-height:1.15;
  white-space:nowrap;
}
.risc-home-link:hover,.risc-back-link:hover{border-color:var(--risc-accent);background:#fff8f3}
.risc-top-context{min-width:0;display:grid;gap:2px;text-align:left}
.risc-top-context strong{color:var(--risc-brand);font-size:14px;line-height:1.2}
.risc-top-context small,.risc-top-context span{color:var(--risc-muted);font-size:12px;line-height:1.25}


/* Navigation séquentielle transverse */
.risc-steps{display:grid;gap:5px}
.risc-step-item{width:100%;min-height:40px;display:grid;grid-template-columns:30px minmax(0,1fr);align-items:center;gap:9px;margin:2px 0;padding:7px 8px;border:1px solid transparent;border-radius:10px;background:transparent;color:#eef0ff;text-align:left;box-shadow:none}
.risc-step-item:hover:not(:disabled){background:rgba(255,255,255,.11)}
.risc-step-marker{width:26px;height:26px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.58);border-radius:50%;background:rgba(255,255,255,.10);color:#fff;font-size:12px;font-weight:850}
.risc-step-label{min-width:0;color:inherit;font-size:13px;font-weight:700;line-height:1.22}
.risc-step-item.active{background:#fff;color:var(--risc-brand);border-color:#fff;box-shadow:inset 4px 0 0 var(--risc-accent)}
.risc-step-item.active .risc-step-marker{color:#fff;background:var(--risc-brand);border-color:var(--risc-brand)}
.risc-step-item.done .risc-step-marker{color:var(--risc-brand);background:#fff;border-color:#fff}
.risc-step-item.locked{color:#c7c9ef;opacity:.52}

@media(max-width:900px){
  .risc-shell{grid-template-columns:1fr}
  .risc-sidebar{position:relative;height:auto;border-right:0;border-bottom:3px solid var(--risc-accent)}
  .risc-topbar{position:relative;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"left right" "center center";padding:10px 16px}
  .risc-topbar__left{grid-area:left}
  .risc-topbar__center{grid-area:center;padding-top:3px}
  .risc-topbar__right{grid-area:right}
  .risc-product-title{font-size:21px}
}
@media(max-width:620px){
  .risc-topbar{grid-template-columns:1fr;grid-template-areas:"left" "center" "right";gap:8px}
  .risc-topbar__left,.risc-topbar__right{width:100%;justify-self:stretch;justify-content:space-between;flex-wrap:wrap}
  .risc-topbar__center{width:100%}
  .risc-home-link,.risc-back-link{white-space:normal;text-align:center}
}