html,body{height:100%;margin:0} body{overflow:hidden}
.app-shell{height:100dvh;min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr);gap:10px;padding:12px;overflow:hidden}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding:9px 13px 9px 11px;background:rgba(255,250,241,.92);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:10px;min-width:0}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(145deg,#0f6757,#0a5649);color:#fff;font-size:23px;font-weight:900;box-shadow:0 8px 18px rgba(15,103,87,.22)}
.brand-copy{display:grid;gap:1px}.brand-copy strong{font-family:Atelia,Georgia,serif;font-size:1.7rem;line-height:1;letter-spacing:-.04em}.brand-copy small{font-size:.76rem;font-weight:800;color:var(--terracotta)}
.top-actions{display:flex;align-items:center;gap:6px}.icon-action{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:12px;padding:9px 11px;background:var(--paper);font-size:.84rem;font-weight:850;line-height:1;color:var(--text);transition:transform .18s,background .18s}.icon-action:hover{background:#fff;transform:translateY(-1px)}.icon-action>span:first-child{font-size:1.05rem;color:var(--green)}
.chat-stage{min-height:0;display:flex;justify-content:center;overflow:hidden}.chat-card{width:min(900px,100%)}
.summary-drawer{position:fixed;z-index:20;right:0;top:0;width:min(382px,94vw);height:100dvh;transform:translateX(105%);transition:transform .24s ease;background:var(--paper);border-left:1px solid var(--line);box-shadow:-18px 0 48px rgba(38,28,14,.15);padding:20px;overflow-y:auto}.summary-drawer.open{transform:translateX(0)}.drawer-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:15px;border-bottom:1px solid var(--line)}.drawer-header small{color:var(--terracotta);font-weight:800}.drawer-header h2{margin:3px 0 0;font-family:Atelia,Georgia,serif;font-size:2rem}.drawer-header button{width:34px;height:34px;border:1px solid var(--line);border-radius:50%;font-size:24px;background:#fff;color:var(--text)}.summary-item{padding:12px 0;border-bottom:1px solid #eee0ca}.summary-item span{display:block;color:var(--muted);font-size:.78rem;font-weight:750}.summary-item strong{display:block;margin-top:3px;line-height:1.35}
@media(max-width:640px){.app-shell{padding:0;gap:0}.topbar{border-radius:0;border-left:0;border-right:0;box-shadow:none;min-height:59px;padding:8px 10px}.brand-mark{width:37px;height:37px;border-radius:12px;font-size:20px}.brand-copy strong{font-size:1.42rem}.brand-copy small{display:none}.top-actions{gap:4px}.icon-action{width:36px;height:36px;justify-content:center;padding:0;border-radius:11px}.action-label{display:none}.chat-stage{height:100%}}

/* Botones y marca más legibles en escritorio */
.brand-copy strong{font-size:1.82rem}
.brand-copy small{font-size:.82rem}
.icon-action{font-size:.92rem;padding:10px 13px}

/* V6 — área de conversación amplia: aprovecha pantalla sin paneles ni scroll horizontal */
.chat-card{width:min(1040px,100%)}
@media (min-width: 1100px){
  .app-shell{padding:14px 18px}
}