/* ==========================================================
   02 - Mise en page : en-tete, onglets, liste, bouton d'action
   ========================================================== */
.top{display:flex;justify-content:space-between;align-items:center;gap:8px;
  padding:calc(14px + env(safe-area-inset-top)) 18px 10px}
.top > div{flex:1;min-width:0}
#subtitle{margin:2px 0 0;color:var(--muted);font-size:.9rem}
.icon-btn{width:44px;height:44px;flex:none;border-radius:50%;background:var(--surface2);
  box-shadow:var(--shadow);font-size:1.2rem}

#tabs{position:sticky;top:0;z-index:5;display:flex;gap:8px;overflow-x:auto;padding:8px 14px;
  background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(8px);scrollbar-width:none}
#tabs::-webkit-scrollbar{display:none}
.tab{flex:none;display:flex;align-items:center;gap:8px;padding:0 16px;border-radius:999px;
  background:var(--surface);box-shadow:var(--shadow);white-space:nowrap;font-weight:500}
.tab .n{min-width:24px;height:24px;border-radius:12px;background:var(--surface2);color:var(--muted);
  font-size:.8rem;display:grid;place-items:center;padding:0 6px}
.tab.active{background:var(--accent);color:var(--accent-fg);box-shadow:0 0 16px rgba(0,230,180,.35)}
.tab.active .n{background:rgba(255,255,255,.28);color:inherit}

main{max-width:720px;margin:0 auto;padding:6px 14px}
#bar{display:flex;gap:8px;margin:6px 0 10px}
#search{flex:1;min-width:0;height:44px;border:1px solid var(--line);background:var(--surface);
  border-radius:12px;padding:0 14px}
.ghost{padding:0 14px;border-radius:12px;color:var(--muted);background:var(--surface2)}

.empty{text-align:center;color:var(--muted);padding:48px 16px}
.empty .big{font-size:3rem}

#fab{position:fixed;right:max(18px,env(safe-area-inset-right));bottom:calc(18px + env(safe-area-inset-bottom));
  width:64px;height:64px;border-radius:50%;background:var(--accent);color:var(--accent-fg);font-size:2rem;
  box-shadow:0 6px 22px rgba(0,0,0,.5),var(--glow);z-index:6;line-height:1}
#fab:active{transform:scale(.94)}

#toast{position:fixed;left:50%;bottom:calc(96px + env(safe-area-inset-bottom));transform:translate(-50%,20px);
  background:var(--surface);color:var(--fg);border:1px solid var(--accent-2);border-radius:12px;padding:6px 6px 6px 16px;display:flex;align-items:center;gap:10px;
  opacity:0;pointer-events:none;transition:.2s;z-index:20;max-width:92vw}
#toast.show{opacity:1;transform:translate(-50%,0);pointer-events:auto}
#toast button{color:var(--accent);font-weight:700;padding:0 12px}