/* 02 · Experimente (rodada 3). Lista de exemplos à esquerda e o celular em foto à direita
   (componente .device da base); embaixo do aparelho, mini balões que continuam a conversa
   de cada cenário. O WhatsApp dentro do aparelho é bloco de cor fixa; lista e rótulos
   acompanham o tom global (tokens da base). */

#experimente .ex-head { max-width: 780px; }
#experimente .ex-lbl { font: 500 .72rem/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }

/* ---------- palco: lista à esquerda | aparelho à direita ---------- */
#experimente .ex-stage {
  display: grid;
  grid-template-columns: minmax(0, 470px) auto;
  justify-content: center;
  gap: 32px clamp(48px, 7vw, 120px);
  align-items: center;
  margin-top: clamp(40px, 5vw, 72px);
}

/* ---------- lista de exemplos ---------- */
#experimente .ex-list { min-width: 0; }
#experimente .ex-items { position: relative; display: flex; flex-direction: column; gap: 4px; margin-top: 12px; }
#experimente .ex-it {
  position: relative; display: grid; grid-template-columns: 2.1rem minmax(0, 1fr); align-items: baseline;
  width: 100%; min-height: 44px; padding: 11px 14px 12px 10px; overflow: hidden;
  border: 1px solid transparent; border-radius: 12px; background: transparent; color: var(--ink);
  text-align: left; cursor: pointer; transition: background-color .25s, border-color .25s;
}
#experimente .ex-it:hover { background: color-mix(in srgb, var(--ink) 5%, transparent); }
#experimente .ex-it[aria-pressed="true"] {
  background: color-mix(in srgb, var(--accent) 9%, transparent);
  border-color: color-mix(in srgb, var(--accent) 42%, transparent);
}
#experimente .ex-n { grid-row: span 2; font: 500 .7rem/1.5 var(--mono); letter-spacing: .06em; color: var(--ink-3); text-align: center; }
#experimente .ex-it[aria-pressed="true"] .ex-n { color: var(--accent); }
#experimente .ex-tt { font: 600 1rem/1.3 var(--sans); letter-spacing: -.01em; }
#experimente .ex-q { margin-top: 3px; font: 400 .86rem/1.4 var(--sans); color: var(--ink-2); }
/* espera até o próximo exemplo (só na sequência automática) */
#experimente .ex-bar { position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--accent); opacity: .75; }
#experimente .ex-bar.run { width: 100%; transition: width var(--ex-wait, 6s) linear; }
#experimente .ex-hint { margin-top: 16px; padding-left: 10px; font-size: .86rem; line-height: 1.45; color: var(--ink-3); }
#experimente .ex-hint-m { display: none; }

/* ---------- aparelho (foto) + continuações ---------- */
/* o tamanho do aparelho vem de --device-w: cabe na altura da tela com os balões embaixo */
#experimente .ex-dev {
  --device-w: clamp(272px, calc((100svh - 236px) * .4963), 360px);
  display: flex; flex-direction: column; align-items: center; gap: 18px;
  width: var(--device-w); min-width: 0;
}
#experimente .device { width: 100%; }
/* a tela em HTML é desenhada no tamanho de projeto 304,5 x 653 (aparelho de 340 px) e escalada por --k */
#experimente .wa {
  position: absolute; left: 0; top: 0;
  width: calc(100% / var(--k, 1)); height: calc(100% / var(--k, 1));
  transform: scale(var(--k, 1)); transform-origin: 0 0;
  display: flex; flex-direction: column; background: var(--wa-bg); font-family: var(--f-body6); color: var(--wa-txt);
}
/* barra de status: ~7% da altura da tela, livre para a ilha da câmera da foto */
#experimente .wa-status {
  height: 46px; flex: none; display: flex; align-items: center; justify-content: space-between;
  padding: 0 30px 0 34px; background: var(--wa-head); font: 600 12.5px/1 var(--f-body6);
}
#experimente .wa-status i { font-style: normal; font-size: 10.5px; letter-spacing: .06em; opacity: .85; }
#experimente .wa-head { height: 54px; flex: none; display: flex; align-items: center; gap: 10px; padding: 0 12px 2px; background: var(--wa-head); }
#experimente .wa-back { width: 20px; height: 20px; flex: none; fill: none; stroke: var(--wa-txt); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
#experimente .wa-av { width: 36px; height: 36px; border-radius: 50%; background: #0d1b2a; display: grid; place-items: center; flex: none; box-shadow: inset 0 0 0 1px rgba(0, 200, 180, .35); }
#experimente .wa-av svg { width: 22px; height: 22px; }
#experimente .wa-name { font: 650 15px/1.15 var(--f-body6); }
#experimente .wa-sub { font-size: 12px; line-height: 1.25; color: var(--wa-meta); min-height: 15px; }
#experimente .wa-sub.on { color: #2fe0cc; }
#experimente .wa-body { position: relative; flex: 1; min-height: 0; overflow: hidden; padding: 10px 10px 6px; display: flex; flex-direction: column; justify-content: flex-end; background: var(--wa-bg); }
#experimente .wa-stack { display: flex; flex-direction: column; gap: .3em; font-size: calc(13px * var(--z, 1)); }
#experimente .msg { position: relative; max-width: 86%; padding: .45em .6em .5em .68em; border-radius: .6em; font-size: 1em; line-height: 1.38; box-shadow: 0 1px .5px rgba(0, 0, 0, .25); overflow-wrap: anywhere; }
#experimente .msg b { font-weight: 650; }
#experimente .msg.in { align-self: flex-start; background: var(--wa-in); }
#experimente .msg.out { align-self: flex-end; background: var(--wa-out); }
#experimente .msg.tail { margin-top: .22em; }
#experimente .msg.tail.in { border-top-left-radius: 0; }
#experimente .msg.tail.out { border-top-right-radius: 0; }
#experimente .msg.tail::before { content: ""; position: absolute; top: 0; width: .6em; height: .75em; }
#experimente .msg.tail.in::before { left: -.52em; background: var(--wa-in); clip-path: polygon(0 0, 100% 0, 100% 100%); }
#experimente .msg.tail.out::before { right: -.52em; background: var(--wa-out); clip-path: polygon(0 0, 100% 0, 0 100%); }
#experimente .meta { float: right; display: inline-flex; align-items: center; gap: .22em; margin: .45em 0 -.3em .75em; font-size: .76em; color: rgba(233, 237, 239, .6); line-height: 1; }
#experimente .msg.in .meta { color: var(--wa-meta); }
#experimente .tk { width: 1.2em; height: .82em; }
#experimente .tk path { fill: var(--wa-check); }
#experimente .anim { animation: experimente-pop .34s var(--ease-out) both; }
@keyframes experimente-pop { from { opacity: 0; transform: translateY(8px) scale(.985); } to { opacity: 1; transform: none; } }
#experimente .sys { align-self: center; margin: .3em 0; padding: .3em .75em; border-radius: .5em; background: var(--wa-sys); color: var(--wa-meta); font-size: .84em; text-align: center; line-height: 1.35; max-width: 94%; }
#experimente .note { align-self: center; margin: .4em 0 .1em; font: 500 .8em/1.45 var(--mono); color: var(--wa-meta); text-align: center; max-width: 90%; }
#experimente .doc { display: flex; align-items: center; gap: .7em; margin: .1em 0 .4em; padding: .55em .7em; border-radius: .45em; background: rgba(0, 0, 0, .2); }
#experimente .doc-i { display: grid; place-items: center; width: 2.2em; height: 2.65em; border-radius: .3em; background: #e2524f; color: #fff; font: 700 .66em/1 var(--f-body6); flex: none; }
#experimente .doc-n { font-size: .93em; line-height: 1.3; }
#experimente .doc-n small { display: block; font-size: .82em; color: var(--wa-meta); }
/* respostas do Marcos dentro do aparelho (a decisão do gestor) */
#experimente .wa-chips { height: 52px; flex: none; display: flex; gap: 6px; align-items: center; padding: 4px 10px 0; overflow: hidden; }
#experimente .chip {
  flex: 0 1 auto; height: 44px; min-width: 0; max-width: 100%; padding: 0 15px; border-radius: 22px;
  border: 1px solid rgba(0, 200, 180, .55); background: rgba(0, 200, 180, .12); color: #dafffa;
  font: 600 13px/1.15 var(--f-body6); cursor: pointer; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: background-color .2s, transform .15s;
}
#experimente .chip:hover { background: rgba(0, 200, 180, .24); }
#experimente .chip:active, #experimente .chip.press { transform: scale(.95); background: rgba(0, 200, 180, .3); }
#experimente .wa-in { height: 60px; flex: none; display: flex; align-items: center; gap: 8px; padding: 2px 12px 14px; }
#experimente .wa-field { flex: 1; min-width: 0; height: 42px; display: flex; align-items: center; padding: 0 14px; border-radius: 21px; background: var(--wa-head); color: var(--wa-meta); font-size: 13px; line-height: 1.25; overflow: hidden; }
#experimente .wa-field span { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
#experimente .wa-field.has { color: var(--wa-txt); }
#experimente .wa-send { width: 42px; height: 42px; flex: none; border-radius: 50%; background: #00a884; color: #0b141a; display: grid; place-items: center; transition: transform .15s; }
#experimente .wa-send svg { width: 19px; height: 19px; fill: currentColor; }
#experimente .wa-send.press { transform: scale(.88); }

/* ---------- continuações: mini balões de opção (cor fixa do WhatsApp, sem bolinha) ---------- */
#experimente .ex-more { width: 100%; text-align: center; }
#experimente .ex-opts {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 2px 8px;
  min-height: 98px; margin-top: 6px; align-content: flex-start;
}
/* o botão tem 44 px de alvo; o balão visível é menor */
#experimente .ex-op {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0; border: 0; background: none;
  cursor: pointer; color: #e9edef;
}
#experimente .ex-op span {
  display: block; padding: 7px 13px 8px; border-radius: 14px 14px 4px 14px;
  background: #005c4b; font: 500 13.5px/1.25 var(--f-body6); letter-spacing: 0;
  box-shadow: 0 1px .5px rgba(0, 0, 0, .3), inset 0 0 0 1px rgba(255, 255, 255, .06);
  transition: background-color .2s, transform .15s;
}
#experimente .ex-op:hover span { background: #0a6b58; }
#experimente .ex-op:active span { transform: scale(.96); }
#experimente .ex-op:focus-visible { outline: none; }
#experimente .ex-op:focus-visible span { outline: 2px solid var(--teal); outline-offset: 2px; }
/* "próximo exemplo": balão de entrada (cinza), para não parecer resposta */
#experimente .ex-op.nx span { background: #1f2c34; color: #cfe9e5; }
#experimente .ex-op.nx:hover span { background: #2a3a44; }
#experimente .ex-op.in { animation: experimente-op .32s var(--ease-out) both; }
@keyframes experimente-op { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- tablet e celular: lista vira faixa acima; aparelho e balões embaixo ---------- */
@media (max-width: 899px) {
  #experimente .ex-stage { grid-template-columns: minmax(0, 1fr); gap: 20px; justify-items: center; }
  #experimente .ex-list { width: 100%; }
  #experimente .ex-lbl#experimente-ll { display: none; }
  #experimente .ex-items {
    flex-direction: row; gap: 8px; margin-top: 0; overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: none;
    margin-inline: calc(-1 * var(--gutter)); padding: 2px var(--gutter) 4px; scroll-padding-inline: var(--gutter);
    scroll-snap-type: x proximity;
  }
  #experimente .ex-items::-webkit-scrollbar { display: none; }
  #experimente .ex-items li { flex: none; scroll-snap-align: start; }
  #experimente .ex-it {
    display: flex; align-items: center; width: auto; min-height: 44px; padding: 0 18px; border-radius: 999px;
    border-color: var(--line); white-space: nowrap;
  }
  #experimente .ex-n, #experimente .ex-q { display: none; }
  #experimente .ex-tt { font-size: .95rem; font-weight: 500; }
  #experimente .ex-list .ex-hint { display: none; }
  #experimente .ex-hint-m { display: block; margin-top: 0; padding: 0; text-align: center; }
  /* no celular o menu some ao descer: o aparelho cabe na altura com a faixa acima */
  #experimente .ex-dev { --device-w: min(100%, clamp(260px, calc((100svh - 150px) * .4963), 360px)); gap: 14px; }
  #experimente .ex-opts { min-height: 96px; }
}

@media (prefers-reduced-motion: reduce) {
  #experimente .anim, #experimente .ex-op.in { animation: none; }
  #experimente .ex-it, #experimente .chip, #experimente .ex-op span { transition: none; }
  #experimente .ex-bar { display: none; }
}