/* Assistente da loja: botão "Ajuda" e janela de conversa (celular primeiro) */
.ast-fab{
  position:fixed;left:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:50;
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 18px 0 14px;
  border-radius:999px;border:1px solid var(--line-strong);background:var(--surface-2);color:var(--fg);
  font:inherit;font-size:14.5px;font-weight:600;cursor:pointer;
  box-shadow:0 10px 26px -12px rgba(0,0,0,.8);transition:transform .2s,bottom .25s ease,background .2s;
}
.ast-fab svg{width:22px;height:22px;color:var(--accent)}
.ast-fab:hover{background:var(--surface)}
.ast-fab:active{transform:scale(.96)}
body.has-cartbar .ast-fab{bottom:calc(88px + env(safe-area-inset-bottom,0px))}
body.lock .ast-fab,body.ast-open .ast-fab{display:none}

.ast{
  position:fixed;left:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:75;
  width:min(390px, calc(100vw - 32px));height:min(600px, calc(100dvh - 120px));
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:20px;border:1px solid var(--line-strong);background:var(--bg);
  box-shadow:0 24px 60px -20px rgba(0,0,0,.9);animation:ast-in .25s ease;
}
@keyframes ast-in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.ast-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 14px 12px 18px;border-bottom:1px solid var(--line);background:var(--surface)}
.ast-head b{display:block;font-family:var(--font-display);font-size:17px}
.ast-head small{font-size:12.5px;color:var(--muted)}
.ast-x{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-strong);background:none;color:var(--fg);display:grid;place-items:center;cursor:pointer;flex:none}
.ast-x svg{width:18px;height:18px}
.ast-log{flex:1;overflow-y:auto;padding:14px 14px 6px;display:flex;flex-direction:column;gap:10px;overscroll-behavior:contain}
.ast-msg{max-width:92%;padding:10px 13px;border-radius:14px;font-size:14px;line-height:1.5}
.ast-bot{align-self:flex-start;background:var(--surface);border:1px solid var(--line);border-top-left-radius:4px}
.ast-bot a{color:var(--accent);font-weight:600}
.ast-eu{align-self:flex-end;background:var(--accent);color:var(--accent-ink);border-top-right-radius:4px;font-weight:500}
.ast-ops{display:flex;flex-wrap:wrap;gap:6px}
.ast-op{min-height:38px;padding:7px 13px;border-radius:999px;border:1px solid var(--accent);background:none;color:var(--fg);font:inherit;font-size:13.5px;cursor:pointer;text-align:left;transition:background .2s}
.ast-op:hover{background:color-mix(in srgb, var(--accent) 16%, transparent)}
.ast-box{display:flex;flex-direction:column;gap:10px;padding:12px;border:1px dashed var(--line-strong);border-radius:14px}
.ast-checks{display:flex;flex-wrap:wrap;gap:6px}
.ast-check{display:inline-flex;align-items:center;gap:7px;min-height:38px;padding:6px 12px 6px 9px;border-radius:999px;border:1px solid var(--line-strong);font-size:13.5px;cursor:pointer;user-select:none}
.ast-check input{appearance:none;-webkit-appearance:none;width:18px;height:18px;margin:0;border-radius:5px;border:1.5px solid var(--line-strong);display:grid;place-content:center;flex:none}
.ast-check input::after{content:"";width:9px;height:5px;border:2px solid var(--accent-ink);border-top:0;border-right:0;rotate:-45deg;translate:0 -1px;opacity:0}
.ast-check:has(input:checked){border-color:var(--accent);background:color-mix(in srgb, var(--accent) 16%, transparent)}
.ast-check input:checked{background:var(--accent);border-color:var(--accent)}
.ast-check input:checked::after{opacity:1}
.ast-check input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.ast-ok{align-self:flex-start}
.ast-skip{align-self:flex-start;border:none;background:none;color:var(--muted);font:inherit;font-size:13px;text-decoration:underline;cursor:pointer;padding:2px 0}
.ast-box button:disabled{opacity:.5;cursor:default}
.ast-cards{display:grid;gap:8px;margin-top:10px}
.ast-card{display:grid;grid-template-columns:1fr auto;gap:2px 10px;align-items:center;padding:10px 12px;border-radius:12px;background:var(--bg);border:1px solid var(--line)}
.ast-card b{font-size:14px;grid-column:1}
.ast-card small{grid-column:1;font-size:12px;color:var(--muted);line-height:1.35}
.ast-card span{grid-column:1;font-size:12.5px;color:var(--muted)}
.ast-card span b{color:var(--fg)}
.ast-card .btn{grid-column:2;grid-row:1 / span 3}
.ast-list{margin:8px 0;padding-left:18px}
.ast-wa{margin-top:10px;color:var(--accent-ink) !important}
.ast-in{display:flex;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line);background:var(--surface)}
.ast-in input{flex:1;min-width:0;height:44px;padding:0 14px;border-radius:999px;border:1px solid var(--line-strong);background:var(--surface-2);color:var(--fg);font:inherit;font-size:16px}
.ast-in input:focus{outline:2px solid var(--accent);outline-offset:1px}
.ast-in button{flex:none;width:44px;height:44px;border-radius:50%;border:none;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;cursor:pointer}
.ast-in button svg{width:20px;height:20px}
@media (max-width:560px){
  .ast{left:0;right:0;bottom:0;width:100%;height:min(86dvh, 680px);border-radius:20px 20px 0 0;border-bottom:0}
  .ast-fab{left:12px;height:46px;padding:0 15px 0 12px}
}
@media (prefers-reduced-motion: reduce){ .ast{animation:none} .ast-fab{transition:none} }

/* botões próprios: a página inicial tem estilos de botão diferentes */
.ast-btn{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 16px;border-radius:999px;font:inherit;font-size:13.5px;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap;transition:transform .15s,background .2s}
.ast-btn:active{transform:scale(.96)}
.ast-add{border:1px solid var(--accent);background:none;color:var(--accent)}
.ast-add:hover{background:color-mix(in srgb, var(--accent) 16%, transparent)}
.ast-add:disabled{border-color:var(--line-strong);color:var(--muted);background:none;cursor:default}
.ast-ok{border:none;background:var(--accent);color:var(--accent-ink)}
.ast-wa{display:inline-flex;margin-top:10px}