/* ── Reset ─────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:      #0b0720;
  --surface: #16112e;
  --surface2:#211a3d;
  --accent:  #8b5cf6;
  --accent2: #c4b5fd;
  --text:    #ece9fb;
  --muted:   #9d93c7;
  --r:       .9rem;
  --h-header:50px;
}

html,body{height:100%;background:var(--bg);color:var(--text);
  font-family:'Segoe UI',system-ui,sans-serif;-webkit-tap-highlight-color:transparent}

/* fond étoilé */
body{
  min-height:100dvh;
  background:
    radial-gradient(1px 1px at 20% 30%, #fff8, transparent),
    radial-gradient(1px 1px at 70% 60%, #fff6, transparent),
    radial-gradient(1px 1px at 40% 80%, #fff5, transparent),
    radial-gradient(1px 1px at 85% 20%, #fff7, transparent),
    radial-gradient(2px 2px at 55% 45%, #fff4, transparent),
    radial-gradient(ellipse at 50% -10%, #8b5cf633, transparent 55%),
    var(--bg);
}

.app-shell{min-height:100dvh;display:flex;flex-direction:column;
  padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}
.app-header{display:flex;align-items:center;justify-content:space-between;height:var(--h-header);
  padding:0 1rem;background:rgba(22,17,46,0.85);backdrop-filter:blur(8px);
  border-bottom:1px solid #8b5cf633;position:sticky;top:0;z-index:10}
.nav-back{color:var(--accent2);text-decoration:none;font-size:.8rem;font-weight:700}
.nav-back:hover{color:#fff}
.header-center{font-size:1rem;font-weight:900;letter-spacing:.5px}
.header-right{width:2rem}

.app-main{flex:1;max-width:800px;width:100%;margin:0 auto;padding:1rem;display:flex;flex-direction:column;gap:1.25rem}

/* ── Ruban système solaire ──────────────────────────────── */
.solar-hint{color:var(--muted);font-size:.8rem;text-align:center;margin-bottom:.5rem}
.solar-track{
  display:flex;gap:.4rem;overflow-x:auto;padding:.5rem .25rem 1rem;
  align-items:flex-end;scroll-snap-type:x proximity;
}
.astre{
  flex:0 0 auto;background:none;border:none;cursor:pointer;color:var(--muted);
  display:flex;flex-direction:column;align-items:center;gap:.4rem;
  padding:.3rem .5rem;border-radius:var(--r);transition:background .15s;scroll-snap-align:center;
  touch-action:manipulation;
}
.astre:hover{background:rgba(255,255,255,0.05)}
.astre.actif{background:rgba(139,92,246,0.18)}
.astre.actif .astre-nom{color:var(--accent2);font-weight:800}
.astre-dot{border-radius:50%;display:block;transition:transform .15s}
.astre:hover .astre-dot{transform:scale(1.08)}
.astre-nom{font-size:.72rem;white-space:nowrap}

/* ── Fiche détail ───────────────────────────────────────── */
.detail{background:var(--surface);border:1px solid #8b5cf633;border-radius:var(--r);padding:1.1rem 1.25rem}
.detail-head{display:flex;align-items:center;gap:.75rem;margin-bottom:.9rem}
.detail-emoji{font-size:2.4rem;line-height:1}
.detail-nom{font-size:1.4rem;font-weight:900}
.detail-type{color:var(--muted);font-size:.85rem}
.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.5rem}
.dr{display:flex;flex-direction:column;background:var(--surface2);border-radius:8px;padding:.5rem .7rem}
.dr-k{color:var(--muted);font-size:.68rem;text-transform:uppercase;letter-spacing:.5px}
.dr-v{font-size:1rem;font-weight:800;color:var(--text)}
.detail-fait{margin-top:.9rem;font-size:.85rem;color:var(--accent2);line-height:1.5;
  background:rgba(139,92,246,0.1);border-left:3px solid var(--accent);border-radius:6px;padding:.6rem .8rem}

/* ── Comparateur ────────────────────────────────────────── */
.compare{background:var(--surface);border:1px solid #8b5cf633;border-radius:var(--r);padding:1.1rem 1.25rem;margin-bottom:1rem}
.compare-title{font-size:1rem;font-weight:800;margin-bottom:.8rem}
.compare-selectors{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap}
.cmp-select{flex:1;min-width:130px;padding:.5rem .7rem;border-radius:8px;
  background:var(--surface2);color:var(--text);border:1px solid #8b5cf644;font-size:.9rem;font-weight:600}
.cmp-vs{color:var(--muted);font-weight:800}
.compare-result{margin-top:.9rem;display:flex;flex-direction:column;gap:.6rem}
.cmp-line{font-size:.9rem;line-height:1.5}
.cmp-analogy{font-size:.9rem;line-height:1.5;background:rgba(139,92,246,0.12);
  border-radius:8px;padding:.6rem .8rem}
.cmp-dist{color:var(--muted);font-size:.85rem}

.pop{animation:pop .3s cubic-bezier(.2,1.3,.4,1) both}
@keyframes pop{0%{opacity:.3;transform:translateY(6px) scale(.99)}100%{opacity:1;transform:none}}