/* =====================================================
   estilos.css · Referencias · Diseño completo + BLANCO Y NEGRO
   Un solo archivo. En el <head> del index.html:
   <link rel="stylesheet" href="estilos.css">
   Arranca siempre en modo claro (fondo blanco, letras negras). El modo oscuro solo se activa con el botón de la lunita.
   ===================================================== */

/* ---------- Variables ---------- */
:root{
  --bg:#ffffff;
  --card:#ffffff;
  --ink:#000000;
  --mut:rgba(0,0,0,.62);
  --line:rgba(0,0,0,.14);
  --pri:#000000;
  --pri2:rgba(0,0,0,.82);
  --soft:rgba(0,0,0,.06);
  --acc:#000000;
  --ok:#000000;
  --oks:rgba(0,0,0,.06);
  --warn:#000000;
  --sh:0 6px 24px rgba(0,0,0,.08);
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#000000;--card:#000000;--ink:#ffffff;
  --mut:rgba(255,255,255,.66);--line:rgba(255,255,255,.2);
  --pri:#ffffff;--pri2:rgba(255,255,255,.85);--soft:rgba(255,255,255,.1);
  --acc:#ffffff;--ok:#ffffff;--oks:rgba(255,255,255,.1);--warn:#ffffff;
  --sh:0 0 0 rgba(0,0,0,0);
  color-scheme:dark;
}

/* ---------- Base ---------- */
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  font-family:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);color:var(--ink);
  line-height:1.5;font-size:15px;
  -webkit-font-smoothing:antialiased;
}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em}
.hide{display:none !important}
.ic{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  width:100%;padding:15px 22px;border-radius:14px;
  background:var(--ink);color:var(--bg);
  font-weight:700;font-size:15px;transition:opacity .15s,transform .1s;
}
.btn:active{transform:scale(.98)}
.btn:hover{opacity:.88}
.btn.auto{width:auto}
.btn.alt{background:var(--soft);color:var(--ink)}
.btn.line{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn .ic{width:18px;height:18px}

/* ---------- Logo ---------- */
.logo{display:flex;align-items:center}
.logo img{height:40px;width:auto;max-width:none;display:block}
:root[data-theme="dark"] .logo img{filter:invert(1)}

/* ======================= LANDING ======================= */
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:36px 0 56px}
.pill{
  display:inline-block;padding:7px 14px;border-radius:999px;
  background:var(--soft);font-size:13px;font-weight:600;margin-bottom:18px;
}
h1{font-size:clamp(34px,6vw,58px);font-weight:800;margin-bottom:16px}
h1 em{font-style:normal;color:var(--ink);text-decoration:underline;text-decoration-thickness:4px;text-underline-offset:6px;text-decoration-color:var(--line)}
.lead{font-size:17px;color:var(--mut);max-width:520px;margin-bottom:26px}
.ctas{display:flex;gap:12px;flex-wrap:wrap}
.ctas .btn{width:auto;flex:1 1 170px}

.mock{
  background:var(--card);border:1px solid var(--line);border-radius:28px;
  padding:20px;display:grid;gap:12px;
  box-shadow:0 30px 60px rgba(0,0,0,.18);
  max-width:380px;width:100%;justify-self:center;
}
.mrow{display:flex;align-items:center;gap:12px;padding:12px;border-radius:16px;border:1px solid var(--line)}
.mrow b{display:block;font-size:14px}
.mrow small{display:block;color:var(--mut);font-size:12.5px}

.sec{padding:34px 0}
.sec h2{font-size:clamp(26px,4vw,36px);font-weight:800;margin-bottom:8px}
.sec .lead{margin-bottom:22px}
.grid{display:grid;gap:14px}
.g3{grid-template-columns:repeat(3,1fr)}
.box{padding:22px;border-radius:20px;background:var(--card)}
.box h3{font-size:17px;margin-bottom:6px}
.box p{color:var(--mut);font-size:14.5px}
.box .n{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:var(--ink);color:var(--bg);font-weight:800;font-size:14px;margin-bottom:14px;
}
.band{
  margin:34px 0;padding:44px 24px;border-radius:28px;text-align:center;
  background:var(--ink);color:var(--bg);display:grid;gap:12px;justify-items:center;
}
.band h2{font-size:clamp(24px,4vw,34px);font-weight:800}
.band p{opacity:.75}
.band .btn{width:auto;background:var(--bg);color:var(--ink);margin-top:6px}
.foot{text-align:center;color:var(--mut);font-size:13px;padding:24px 0 40px}

/* ========================= APP ========================= */
#app{max-width:560px;margin:0 auto;min-height:100vh;min-height:100dvh;position:relative;background:var(--bg)}
.top{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:14px 18px;background:var(--bg);border-bottom:1px solid var(--line);
}
.top:empty{display:none}
.top h2{font-size:19px;font-weight:800;flex:1}
.round{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;
  background:var(--soft);color:var(--ink);transition:transform .1s;
}
.round:active{transform:scale(.92)}
main{padding:16px 18px 120px;display:grid;gap:14px;align-content:start}

/* Barra de abajo */
.tabs{
  position:fixed;left:50%;transform:translateX(-50%);bottom:0;z-index:30;
  width:100%;max-width:560px;display:flex;
  background:var(--bg);border-top:1px solid var(--line);
  padding:8px 8px calc(8px + env(safe-area-inset-bottom,0px));
}
.tabs:empty{display:none}
.tabs button{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:8px 4px;border-radius:12px;font-size:11.5px;font-weight:600;color:var(--mut);
}
.tabs button.on{color:var(--ink)}
.tabs button.on .ic{stroke-width:2.6}

/* Búsqueda */
.search{
  display:flex;align-items:center;gap:10px;padding:0 16px;
  background:var(--soft);border-radius:14px;
}
.search .ic{color:var(--mut)}
.search input{flex:1;background:none;border:0;outline:0;padding:14px 0;font-size:15px}
.search input::placeholder{color:var(--mut)}

/* Chips */
.chips,.tags{display:flex;flex-wrap:wrap;gap:8px}
.chips{overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{
  padding:9px 16px;border-radius:999px;font-size:13.5px;font-weight:600;white-space:nowrap;
  border:1.5px solid var(--line);background:transparent;color:var(--ink);
}
.chip.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.chip.sel{border-color:var(--ink);color:var(--ink);background:var(--soft)}

/* Tarjetas */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:16px;box-shadow:none;
}
.card.person{display:flex;align-items:center;gap:14px;cursor:pointer}
.card.person:active{background:var(--soft)}
.pi{flex:1;min-width:0;display:grid;gap:2px}
.pi b{font-size:15.5px}
.pi > span{color:var(--mut);font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rt{display:flex;gap:10px;align-items:center;font-size:12.5px;color:var(--mut);margin-top:2px}
.rt b{display:inline-flex;align-items:center;gap:3px;color:var(--ink)}
.rt .ic{width:14px;height:14px}
.star{color:var(--ink);fill:var(--ink)}
.fav{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;
  color:var(--mut);
}
.fav.on{color:var(--ink)}
.fav.on .ic{fill:currentColor}

/* Avatar */
.av{
  position:relative;width:52px;height:52px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;
  background:var(--ink);color:var(--bg);font-weight:800;font-size:17px;
}
.av{background:var(--ink) !important;color:var(--bg) !important}
.av.lg{width:92px;height:92px;font-size:30px}
.av s{
  position:absolute;right:-2px;bottom:-2px;width:20px;height:20px;border-radius:50%;
  display:grid;place-items:center;text-decoration:none;
  background:var(--ink);border:2px solid var(--card);
}
.av s .ic{width:11px;height:11px;stroke-width:3.5;color:var(--bg)}
.av.lg s{width:28px;height:28px}
.av.lg s .ic{width:15px;height:15px}

/* Encabezado de perfil */
.hdr{display:grid;justify-items:center;text-align:center;gap:6px;padding:10px 0 6px}
.hdr h3{font-size:22px;font-weight:800}
.seal{
  display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border-radius:999px;
  background:var(--soft);font-size:12.5px;font-weight:700;
}
.seal .ic{width:14px;height:14px;stroke-width:3}

/* Estadísticas */
.stats{display:grid;grid-template-columns:repeat(3,1fr);text-align:center;padding:14px 8px}
.stats div{display:grid;gap:2px;border-left:1px solid var(--line)}
.stats div:first-child{border-left:0}
.stats b{font-size:20px;font-weight:800}
.stats span{font-size:12px;color:var(--mut)}

/* Etiquetas de sección */
.lab{
  display:flex;justify-content:space-between;align-items:center;
  font-size:12.5px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;
  color:var(--mut);margin-bottom:12px;
}
.lab span{font-weight:600;text-transform:none;letter-spacing:0}
main > .lab{margin-bottom:0}

/* Barras "lo que más destacan" */
.bars{display:grid;gap:10px}
.bar{display:grid;grid-template-columns:110px 1fr 24px;gap:10px;align-items:center;font-size:13.5px}
.bar > div{height:8px;border-radius:99px;background:var(--soft);overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:var(--ink)}
.bar b{text-align:right}

/* Comentarios */
.rev small{display:block;color:var(--mut);font-size:12.5px;margin-bottom:4px}
.rev p{font-size:14.5px}

/* Estrellas de calificación */
.stars{display:flex;justify-content:center;gap:6px}
.stars button{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;color:var(--line)}
.stars button .ic{width:34px;height:34px;fill:transparent}
.stars .on{color:var(--ink)}
.stars .on .ic{fill:var(--ink);color:var(--ink)}

/* Comentarios sugeridos */
.opt{
  display:block;width:100%;text-align:left;padding:13px 14px;margin-bottom:8px;
  border-radius:14px;border:1.5px solid var(--line);font-size:14px;line-height:1.4;
}
.opt:last-child{margin-bottom:0}
.opt.on{border-color:var(--ink);background:var(--soft)}

/* Interruptor anónimo */
.sw{display:flex;align-items:center;justify-content:space-between;gap:14px}
.sw b{display:block;font-size:14.5px}
.sw small{color:var(--mut);font-size:12.5px}
.tg{
  position:relative;width:50px;height:30px;border-radius:99px;flex-shrink:0;
  background:var(--line);transition:background .2s;
}
.tg::after{
  content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;
  background:var(--bg);transition:transform .2s;
}
.tg.on{background:var(--ink)}
.tg.on::after{transform:translateX(20px)}

/* Botón fijo abajo */
.stick{
  position:sticky;bottom:78px;z-index:10;padding:12px 0 4px;
  background:linear-gradient(to top,var(--bg) 70%,transparent);
}

/* Inputs de texto */
main input:not([type]),main input[type="text"]{
  width:100%;padding:13px 14px;border-radius:12px;
  background:var(--soft);border:1.5px solid transparent;outline:0;font-size:15px;
}
main input:not([type]):focus{border-color:var(--ink)}
.search input{background:none !important;border:0 !important}

/* Estados vacíos */
.empty{text-align:center;color:var(--mut);padding:36px 12px;font-size:14.5px}

/* Aviso emergente */
.toast{
  position:fixed;left:50%;bottom:96px;transform:translateX(-50%);z-index:100;
  background:var(--ink);color:var(--bg);padding:12px 20px;border-radius:999px;
  font-size:14px;font-weight:600;max-width:90vw;text-align:center;
  box-shadow:0 8px 24px rgba(0,0,0,.25);animation:pop .25s ease;
}
@keyframes pop{from{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%,0)}}
/* Descargo de responsabilidad */
.sheet{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.55);display:grid;place-items:center;padding:16px}
.legalbox{
  background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:22px;
  width:100%;max-width:520px;max-height:88vh;max-height:88dvh;display:flex;flex-direction:column;gap:14px;padding:18px;
}
.lhead{display:flex;align-items:center;justify-content:space-between;gap:10px}
.lhead h3{font-size:19px;font-weight:800}
.lbody{overflow-y:auto;font-size:14px;color:var(--mut);display:grid;gap:6px;padding-right:4px}
.lbody h4{color:var(--ink);font-size:14px;margin-top:8px}
.legal{
  margin:6px auto 0;max-width:420px;padding:14px 16px;border:1px solid var(--line);border-radius:16px;
  font-size:12.5px;color:var(--mut);display:grid;gap:6px;text-align:left;
}
.legal b{color:var(--ink);font-size:13px}
.legal a{color:var(--ink);text-decoration:underline;font-weight:600}

/* ---------- Responsive ---------- */
@media (max-width:820px){
  .hero{grid-template-columns:1fr;gap:28px;padding-top:12px}
  .g3{grid-template-columns:1fr}
}
@media (max-width:420px){
  .bar{grid-template-columns:90px 1fr 22px}
}