/* Asistente AG · botón flotante y panel de chat (usa las variables del tema si existen) */
.aga, .aga-fab { --a-bg: var(--surface, #161618); --a-bg2: var(--surface-2, #1C1C1F); --a-line: var(--line-2, rgba(255,255,255,.13)); --a-text: var(--text, #F1EEE6); --a-text2: var(--text-2, #C4C1B8); --a-muted: var(--muted, #8C9097); --a-acc: var(--accent, #C9A24A); --a-acc2: var(--accent-2, #EBCB7A); --a-ink: var(--accent-ink, #1A1405); --a-rgb: var(--accent-rgb, 201,162,74); --a-ui: var(--font-ui, 'Saira', system-ui, sans-serif); --a-body: var(--font-body, 'Barlow', system-ui, sans-serif); --a-display: var(--font-display, 'Saira Extra Condensed', Impact, sans-serif); --a-mono: var(--font-mono, ui-monospace, monospace); font-family: var(--a-body); color: var(--a-text); box-sizing: border-box; }
.aga *, .aga *::before, .aga *::after { box-sizing: border-box; }

/* ---------- botón flotante */
.aga-fab { position: fixed; right: 18px; bottom: 18px; z-index: 95; display: inline-flex; align-items: center; gap: 10px; height: 54px; padding: 0 20px 0 14px; border-radius: 999px; border: 1px solid rgba(var(--a-rgb), .55); background: linear-gradient(135deg, var(--a-acc2), var(--a-acc) 60%, #A8843A); color: var(--a-ink); font: 700 14px/1 var(--a-ui); letter-spacing: .06em; text-transform: uppercase; cursor: pointer; box-shadow: 0 18px 40px -14px rgba(0,0,0,.85), 0 0 0 6px rgba(var(--a-rgb), .1); transition: transform .25s cubic-bezier(.2,.7,.2,1), box-shadow .25s, opacity .25s, visibility 0s; }
.aga-fab:hover { transform: translateY(-2px); box-shadow: 0 22px 44px -14px rgba(0,0,0,.9), 0 0 0 8px rgba(var(--a-rgb), .14); }
.aga-fab__ico { width: 26px; height: 26px; display: grid; place-items: center; }
.aga-fab__ico svg, .aga__ibtn svg, .aga__send svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.aga-fab__dot { position: absolute; top: 9px; right: 12px; width: 9px; height: 9px; border-radius: 50%; background: #5FBF6A; box-shadow: 0 0 0 3px rgba(95,191,106,.25); }
.aga-fab.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(10px); }
body.single-product .aga-fab { bottom: 18px; }

/* ---------- panel */
.aga { position: fixed; right: 18px; bottom: 18px; z-index: 96; width: min(400px, calc(100vw - 24px)); height: min(680px, calc(100vh - 40px)); display: flex; flex-direction: column; border-radius: 18px; background: var(--a-bg); border: 1px solid var(--a-line); box-shadow: 0 40px 90px -30px rgba(0,0,0,.95); opacity: 0; visibility: hidden; transform: translateY(16px) scale(.98); transform-origin: bottom right; transition: opacity .28s cubic-bezier(.2,.7,.2,1), transform .35s cubic-bezier(.2,.7,.2,1), visibility 0s .35s; overflow: hidden; }
.aga.is-open { opacity: 1; visibility: visible; transform: none; transition: opacity .28s cubic-bezier(.2,.7,.2,1), transform .35s cubic-bezier(.2,.7,.2,1), visibility 0s; }
.aga__head { display: flex; align-items: center; gap: 12px; padding: 12px 12px 12px 14px; border-bottom: 1px solid var(--a-line); background: linear-gradient(180deg, rgba(var(--a-rgb), .08), transparent); }
.aga__logo { width: 40px; height: 40px; border-radius: 50%; flex: 0 0 auto; filter: drop-shadow(0 4px 10px rgba(0,0,0,.6)); }
.aga__title { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.15; }
.aga__title b { font: 800 22px var(--a-display); text-transform: uppercase; letter-spacing: .01em; }
.aga__title span { display: flex; align-items: center; gap: 6px; font: 500 11px var(--a-mono); letter-spacing: .06em; color: var(--a-muted); text-transform: uppercase; }
.aga__title em { font-style: normal; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.aga__online { width: 7px; height: 7px; border-radius: 50%; background: #5FBF6A; box-shadow: 0 0 0 3px rgba(95,191,106,.2); flex: 0 0 auto; }
.aga__ibtn { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.05); border: 1px solid var(--a-line); color: var(--a-text2); cursor: pointer; transition: background .15s, color .15s; flex: 0 0 auto; }
.aga__ibtn:hover { background: rgba(var(--a-rgb), .18); color: var(--a-text); }
.aga__ibtn svg { width: 18px; height: 18px; }

.aga__body { flex: 1; overflow-y: auto; padding: 16px 14px 8px; display: flex; flex-direction: column; gap: 10px; scroll-behavior: smooth; overscroll-behavior: contain; }
.aga__msg { flex: 0 0 auto; max-width: 88%; padding: 10px 13px; border-radius: 14px; font-size: 14.5px; line-height: 1.5; word-wrap: break-word; animation: agaIn .3s cubic-bezier(.2,.7,.2,1); }
.aga__msg p { margin: 0 0 8px; } .aga__msg p:last-child { margin: 0; }
.aga__msg ul { margin: 4px 0 6px; padding-left: 18px; } .aga__msg li { margin: 2px 0; }
.aga__msg a { color: var(--a-acc2); text-decoration: underline; text-underline-offset: 2px; }
.aga__msg--bot { align-self: flex-start; background: var(--a-bg2); border: 1px solid var(--a-line); border-bottom-left-radius: 5px; color: var(--a-text); }
.aga__msg--user { align-self: flex-end; background: linear-gradient(135deg, var(--a-acc2), var(--a-acc)); color: var(--a-ink); border-bottom-right-radius: 5px; font-weight: 500; }
.aga__msg--sys { align-self: center; background: transparent; color: var(--a-muted); font: 500 11.5px var(--a-mono); letter-spacing: .04em; text-align: center; max-width: 100%; padding: 4px 0; }
.aga__typing { align-self: flex-start; display: inline-flex; gap: 5px; padding: 12px 14px; }
.aga__typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--a-muted); animation: agaDot 1.1s infinite ease-in-out; }
.aga__typing i:nth-child(2) { animation-delay: .15s; } .aga__typing i:nth-child(3) { animation-delay: .3s; }
@keyframes agaDot { 0%, 60%, 100% { transform: translateY(0); opacity: .5; } 30% { transform: translateY(-5px); opacity: 1; } }
@keyframes agaIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* tarjetas de producto */
.aga__cards { flex: 0 0 auto; display: flex; gap: 10px; overflow-x: auto; padding: 2px 2px 8px; scroll-snap-type: x mandatory; max-width: 100%; align-self: stretch; }
.aga__cards::-webkit-scrollbar { height: 6px; } .aga__cards::-webkit-scrollbar-thumb { background: var(--a-line); border-radius: 3px; }
.aga__card { flex: 0 0 200px; scroll-snap-align: start; display: flex; flex-direction: column; border-radius: 12px; background: var(--a-bg2); border: 1px solid var(--a-line); overflow: hidden; color: inherit; text-decoration: none; transition: border-color .15s, transform .2s; }
.aga__card:hover { border-color: rgba(var(--a-rgb), .5); transform: translateY(-2px); }
.aga__card-img { height: 112px; display: block; background: radial-gradient(70% 60% at 50% 50%, rgba(var(--a-rgb), .14), transparent 70%); padding: 10px; }
.aga__card-img img { display: block; width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(0 10px 14px rgba(0,0,0,.7)); }
.aga__card-b { padding: 8px 10px 10px; display: flex; flex-direction: column; gap: 3px; }
.aga__card-b b { font: 600 13.5px/1.25 var(--a-ui); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.aga__card-b small { font: 500 10.5px var(--a-mono); color: var(--a-muted); letter-spacing: .04em; text-transform: uppercase; }
.aga__card-b .p { font: 700 16px var(--a-ui); color: var(--a-acc2); margin-top: 2px; }
.aga__card-b .d { font-size: 11.5px; color: var(--a-text2); }
.aga__card-b .d.ok { color: #7ED18A; }

/* respuestas rápidas */
.aga__quick { display: flex; gap: 6px; flex-wrap: wrap; padding: 4px 14px 8px; }
.aga__chip { border: 1px solid rgba(var(--a-rgb), .45); background: rgba(var(--a-rgb), .06); color: var(--a-text); border-radius: 999px; padding: 7px 12px; font: 500 12.5px var(--a-body); cursor: pointer; transition: background .15s, border-color .15s; }
.aga__chip:hover { background: rgba(var(--a-rgb), .16); border-color: var(--a-acc); }
.aga__chip--wa { border-color: rgba(37,211,102,.5); background: rgba(37,211,102,.08); }

/* formulario contacto */
.aga__lead[hidden] { display: none; }
.aga__lead { display: grid; gap: 8px; padding: 12px 14px; border-top: 1px solid var(--a-line); background: var(--a-bg2); }
.aga__lead-t { margin: 0 0 2px; display: flex; flex-direction: column; gap: 2px; }
.aga__lead-t b { font: 800 20px var(--a-display); text-transform: uppercase; }
.aga__lead-t span { font-size: 12.5px; color: var(--a-text2); }
.aga__lead input { height: 42px; padding: 0 12px; border-radius: 9px; border: 1px solid var(--a-line); background: var(--a-bg); color: var(--a-text); font: 500 14px var(--a-body); outline: none; }
.aga__lead input:focus { border-color: var(--a-acc); box-shadow: 0 0 0 3px rgba(var(--a-rgb), .18); }
.aga__lead-row { display: flex; gap: 8px; }
.aga__btn { flex: 1; height: 42px; border-radius: 9px; border: 0; background: linear-gradient(135deg, var(--a-acc2), var(--a-acc)); color: var(--a-ink); font: 700 13px var(--a-ui); letter-spacing: .06em; text-transform: uppercase; cursor: pointer; }
.aga__btn--ghost { flex: 0 0 auto; padding: 0 14px; background: transparent; border: 1px solid var(--a-line); color: var(--a-text2); }
.aga__err { margin: 0; color: #E0704A; font-size: 12.5px; }
.aga__err[hidden] { display: none; }

/* composer */
.aga__composer { display: flex; align-items: flex-end; gap: 8px; padding: 10px 12px 8px; border-top: 1px solid var(--a-line); }
.aga__composer textarea { flex: 1; resize: none; min-height: 44px; max-height: 120px; padding: 11px 14px; border-radius: 12px; border: 1px solid var(--a-line); background: var(--a-bg2); color: var(--a-text); font: 400 14.5px/1.4 var(--a-body); outline: none; }
.aga__composer textarea:focus { border-color: var(--a-acc); box-shadow: 0 0 0 3px rgba(var(--a-rgb), .16); }
.aga__send { width: 44px; height: 44px; border-radius: 12px; border: 0; background: linear-gradient(135deg, var(--a-acc2), var(--a-acc)); color: var(--a-ink); display: grid; place-items: center; cursor: pointer; flex: 0 0 auto; transition: transform .15s, opacity .15s; }
.aga__send:disabled { opacity: .5; cursor: default; }
.aga__send:not(:disabled):hover { transform: translateX(2px); }
.aga__fine { margin: 0; padding: 0 14px 10px; font: 400 10.5px var(--a-mono); color: var(--a-muted); letter-spacing: .02em; }
.aga__fine a { color: var(--a-muted); text-decoration: underline; }
.aga.is-lead .aga__quick, .aga.is-lead .aga__composer { display: none; }

@media (max-width: 640px) {
  .aga-fab { right: 12px; bottom: 14px; height: 48px; width: 48px; padding: 0; justify-content: center; }
  .aga-fab__label { display: none; }
  .aga-fab__ico { width: 24px; height: 24px; }
  body.single-product .aga-fab { bottom: 94px; }
  .aga { right: 0; bottom: 0; left: 0; width: 100%; height: 100dvh; border-radius: 0; border: 0; transform: translateY(24px); }
  .aga__body { padding: 14px 12px 6px; }
  .aga__msg { font-size: 15px; max-width: 92%; }
  .aga__card { flex-basis: 180px; }
}
@media (prefers-reduced-motion: reduce) { .aga, .aga-fab, .aga__msg { transition: none; animation: none; } }