:root { --fundo: #0d0e10; --cartao: #17191c; --cartao2: #202328; --linha: #2c3036; --texto: #f3efe6; --cinza: #9aa0a8; --vermelho: #f2b90f; --amarelo: #f2b90f; --ouro: #f3d37a; --verde: #1fae5b; color-scheme: dark; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--fundo); color: var(--texto); font: 400 16px/1.45 'Figtree', system-ui, sans-serif; padding-bottom: 90px; overflow-x: hidden; }
h1, h2, h3 { font-family: "Big Shoulders Display", Impact, sans-serif; font-weight: 900; text-transform: uppercase; margin: 0; line-height: .95; }
:focus-visible { outline: 3px solid var(--amarelo); outline-offset: 2px; }
.b { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 16px; border-radius: 10px; border: 1px solid var(--linha); background: var(--cartao2); color: var(--texto); font: 700 14px 'Figtree', sans-serif; text-decoration: none; cursor: pointer; }
.b.pri { background: var(--amarelo); border-color: var(--amarelo); color: #111; }
.b.grande { min-height: 56px; width: 100%; max-width: 360px; font-size: 16px; text-transform: uppercase; letter-spacing: .04em; font-weight: 800; }
.entrar { min-height: 92vh; display: grid; place-content: center; justify-items: center; text-align: center; gap: 14px; padding: 24px 16px; }
.entrar img { border-radius: 26px; }
.entrar h1 { font-size: 56px; }
.entrar p { max-width: 34ch; color: #cfcac1; margin: 0; }
.entrar .mini { font-size: 13px; color: var(--cinza); }
.cab { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 12px; padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top)); background: rgba(13,14,16,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--linha); }
.cab img { border-radius: 10px; }
.cab div { margin-right: auto; display: grid; }
.cab b { font: 900 20px "Big Shoulders Display", sans-serif; text-transform: uppercase; }
.cab small { color: var(--amarelo); font-size: 12px; }
.previa { margin: 14px 16px 0; padding: 14px 16px; border-radius: 14px; background: var(--amarelo); color: #111; position: relative; overflow: hidden; }
.previa::after { content: ''; position: absolute; right: 14px; top: 14px; width: 54px; height: 22px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 12'%3E%3Cg fill='none' stroke='%23111' stroke-width='2.2'%3E%3Crect x='1.5' y='2' width='13' height='8' rx='4'/%3E%3Crect x='15.5' y='2' width='13' height='8' rx='4'/%3E%3C/g%3E%3C/svg%3E") center/contain no-repeat; }
.previa .rot { margin: 0; font: 800 11px Figtree; letter-spacing: .14em; text-transform: uppercase; color: #4a3d12; }
.previa .ex { padding-right: 64px; margin: 4px 0 0; font-size: 14px; color: #3a3220; }
.previa .tot { margin: 2px 0 0; font: 900 44px/1 'Big Shoulders Display'; font-variant-numeric: tabular-nums; }
.abas { display: flex; gap: 6px; padding: 14px 16px 4px; overflow-x: auto; }
.abas button { flex: 1 0 auto; min-height: 44px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--linha); background: var(--cartao); color: var(--texto); font: 700 14px 'Figtree'; cursor: pointer; }
.abas button[aria-selected="true"] { background: var(--amarelo); border-color: var(--amarelo); color: #111; }
.conteudo { padding: 8px 16px; display: grid; gap: 12px; }
.cartao { background: var(--cartao); border: 1px solid var(--linha); border-radius: 14px; padding: 14px; display: grid; gap: 12px; }
.cartao h2 { font-size: 28px; }
.cartao.fim { margin: 4px 16px 0; }
.explica { margin: 0; color: var(--cinza); font-size: 14px; }
.tam.off, .linha-mat.off { opacity: .55; }
.tam-topo { display: grid; grid-template-columns: 70px 1fr auto; gap: 10px; align-items: center; }

.tam-topo h3 { font-size: 22px; }
.tam-topo small { color: var(--cinza); font-size: 12.5px; }
.grade3 { display: grid; grid-template-columns: 1fr 1fr .8fr; gap: 8px; }
.grade2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.num { display: grid; gap: 4px; font-size: 12.5px; color: var(--cinza); min-width: 0; }
.caixa { display: flex; align-items: center; background: #0f1012; border: 1px solid var(--linha); border-radius: 10px; min-height: 48px; padding: 0 10px; gap: 4px; }
.caixa i { font-style: normal; color: var(--cinza); font-size: 14px; }
.caixa input { width: 100%; min-width: 0; border: 0; background: none; color: var(--texto); font: 700 18px 'Figtree'; font-variant-numeric: tabular-nums; padding: 0; }
.caixa input:focus { outline: none; }
.caixa:focus-within { border-color: var(--amarelo); }
.impls { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.linha-mat { display: grid; grid-template-columns: 1fr 120px; gap: 10px; align-items: end; padding-top: 10px; border-top: 1px solid var(--linha); }
.chave { display: flex; align-items: center; gap: 10px; cursor: pointer; min-height: 40px; }
.chave input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chave .trilho { flex: none; width: 46px; height: 28px; border-radius: 999px; background: #3a3e44; position: relative; transition: background .2s; }
.chave .trilho span { position: absolute; left: 3px; top: 3px; width: 22px; height: 22px; border-radius: 50%; background: #fff; transition: transform .2s; }
.chave input:checked + .trilho { background: var(--verde); }
.chave input:checked + .trilho span { transform: translateX(18px); }
.chave input:focus-visible + .trilho { outline: 3px solid var(--amarelo); outline-offset: 2px; }
.chave .txt { font-size: 14.5px; font-weight: 600; display: grid; }
.chave .txt small { font-weight: 400; color: var(--cinza); font-size: 12.5px; }
.bloco { display: grid; gap: 8px; padding-top: 10px; border-top: 1px solid var(--linha); }
.seg { display: flex; gap: 6px; }
.seg button { flex: 1; min-height: 46px; border-radius: 10px; border: 1px solid var(--linha); background: var(--cartao2); color: var(--texto); font: 700 14px 'Figtree'; cursor: pointer; }
.seg button[aria-checked="true"] { background: var(--amarelo); color: #111; border-color: var(--amarelo); }
.faixas { display: grid; gap: 8px; }
.faixa { display: grid; grid-template-columns: 1fr 1.3fr 44px; gap: 8px; align-items: end; }
.b.x { padding: 0; min-height: 48px; font-size: 20px; }
.bts { display: flex; gap: 8px; flex-wrap: wrap; }
.toast { position: fixed; left: 50%; bottom: 64px; transform: translate(-50%, 30px); opacity: 0; background: var(--verde); color: #fff; font-weight: 700; font-size: 14px; padding: 12px 18px; border-radius: 999px; box-shadow: 0 10px 24px rgba(0,0,0,.4); transition: .25s; z-index: 30; pointer-events: none; white-space: nowrap; max-width: calc(100vw - 32px); overflow: hidden; text-overflow: ellipsis; }
.toast.vis { opacity: 1; transform: translate(-50%, 0); }
.pe { margin: 26px 16px 0; color: var(--cinza); font-size: 12.5px; text-align: center; }
.pe p { max-width: 46ch; margin: 0 auto; }

/* janela de instalar (minimizável; na demo começa como pílula) */
.instalar { position: fixed; left: 10px; right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); z-index: 40; display: grid; grid-template-columns: 52px 1fr; gap: 10px 12px; align-items: center; padding: 22px 14px 14px; border-radius: 18px; background: var(--cartao2); border: 1px solid #3a3e44; box-shadow: 0 16px 40px rgba(0,0,0,.6); touch-action: pan-x; transition: transform .2s, opacity .2s; }
.instalar > img { border-radius: 12px; }
.instalar .txt { display: grid; gap: 2px; font-size: 13.5px; } .instalar .txt b { font-size: 15px; } .instalar .txt small { color: #cfcac1; font-size: 13px; }
.instalar .bts { grid-column: 1 / -1; justify-content: flex-end; }
.instalar .puxador { position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 64px; height: 22px; border: 0; background: none; cursor: pointer; display: grid; place-items: center; }
.instalar .puxador span { width: 40px; height: 5px; border-radius: 3px; background: rgba(243,239,230,.35); }
.instalar .pilula { display: none; }
.instalar.mini { left: 10px; right: auto; padding: 0; background: none; border: 0; box-shadow: none; display: block; }
.instalar.mini > :not(.pilula) { display: none; }
.instalar.mini .pilula { display: inline-flex; align-items: center; gap: 8px; font: 700 12.5px 'Figtree'; color: var(--texto); background: var(--cartao2); border: 1px solid rgba(242,185,15,.6); border-radius: 999px; padding: 6px 14px 6px 6px; box-shadow: 0 6px 18px rgba(0,0,0,.5); cursor: pointer; }
.instalar.mini .pilula img { border-radius: 7px; }
@media (min-width: 800px) { body { max-width: 760px; margin: 0 auto; } .instalar { display: none; } }