/* ===========================================================================
   Tema "ecos" — Ecos Sonora. Feed estilo X/Twitter: timeline central, filas
   tipo post con avatar de sección, sidebar de tendencias, píldoras redondas.
   Paleta X: tinta #0F1419 · azul #1D9BF0 · líneas #EFF3F4. Modo oscuro auto.
   Tipos: stack del sistema (como X). Tercer estilo de la flota:
   noticias=revista · alerta=boletín · ecos=feed social.
   =========================================================================== */
:root{
  --ec-bg:#FFFFFF; --ec-ink:#0F1419; --ec-mut:#536471; --ec-line:#EFF3F4;
  --ec-blue:#1D9BF0; --ec-blue-d:#1A8CD8; --ec-hover:#F7F9F9; --ec-soft:#F7F9F9;
  --ec-pink:#F91880;
  --ec-wrap:1050px;
  --ec-font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root{
    --ec-bg:#000000; --ec-ink:#E7E9EA; --ec-mut:#71767B; --ec-line:#2F3336;
    --ec-hover:#080808; --ec-soft:#16181C;
  }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--ec-bg);color:var(--ec-ink);font-family:var(--ec-font);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-weight:800;line-height:1.2}
.ec-wrap{max-width:var(--ec-wrap);margin:0 auto;padding:0 16px}

/* ── Top bar ── */
.ec-top{position:sticky;top:0;z-index:50;background:color-mix(in srgb, var(--ec-bg) 85%, transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--ec-line)}
.ec-top-in{display:flex;align-items:center;justify-content:space-between;height:54px}
.ec-brand{display:flex;align-items:center;gap:9px}
.ec-brand img{max-height:34px;width:auto}
.ec-wave{display:inline-flex;align-items:flex-end;gap:2.5px;height:22px}
.ec-wave i{width:4.5px;border-radius:99px;background:var(--ec-blue);display:inline-block;animation:ecWave 1.4s ease-in-out infinite}
.ec-wave i:nth-child(1){height:10px;animation-delay:0s}
.ec-wave i:nth-child(2){height:20px;animation-delay:.18s}
.ec-wave i:nth-child(3){height:14px;animation-delay:.36s}
@keyframes ecWave{0%,100%{transform:scaleY(1)}50%{transform:scaleY(.55)}}
.ec-wordmark{font-size:21px;font-weight:800;letter-spacing:-.03em}
.ec-wordmark b{color:var(--ec-blue);font-weight:800}
.ec-tagline{font-size:12.5px;color:var(--ec-mut)}

/* ── Nav de píldoras ── */
.ec-nav{border-bottom:1px solid var(--ec-line);background:var(--ec-bg)}
.ec-nav-in{display:flex;gap:8px;padding:9px 16px;overflow-x:auto;scrollbar-width:none}
.ec-nav-in::-webkit-scrollbar{display:none}
.ec-pill{flex:none;display:inline-flex;align-items:center;gap:7px;border:1px solid var(--ec-line);border-radius:999px;padding:6px 14px;font-size:13.5px;font-weight:700;color:var(--ec-ink);transition:.12s}
.ec-pill i{width:8px;height:8px;border-radius:50%;display:inline-block}
.ec-pill:hover{background:var(--ec-hover)}
.ec-pill.active{background:var(--ec-ink);color:var(--ec-bg);border-color:var(--ec-ink)}

/* ── Columnas ── */
.ec-main{min-height:60vh}
.ec-cols{display:grid;grid-template-columns:minmax(0,600px) 336px;gap:24px;justify-content:center;padding-top:6px}
.ec-feed{border-left:1px solid var(--ec-line);border-right:1px solid var(--ec-line);min-height:70vh}

/* ── Post del feed ── */
.ec-post{border-bottom:1px solid var(--ec-line);padding:13px 16px;transition:background .12s}
.ec-post:hover{background:var(--ec-hover)}
.ec-post.is-pin{background:var(--ec-soft)}
.ec-pin{font-size:12px;font-weight:700;color:var(--ec-mut);margin:0 0 7px 52px}
.ec-post-in{display:flex;gap:12px}
.ec-ava{width:40px;height:40px;border-radius:50%;color:#fff;font-weight:800;font-size:17px;display:inline-flex;align-items:center;justify-content:center;flex:none}
.ec-ava--lg{width:52px;height:52px;font-size:22px}
.ec-post-bd{flex:1;min-width:0}
.ec-post-meta{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:14px}
.ec-post-sec{font-weight:800}
.ec-post-sec:hover{text-decoration:underline}
.ec-post-handle{color:var(--ec-mut)}
.ec-uh{background:var(--ec-pink);color:#fff;font-size:10px;font-weight:800;letter-spacing:.04em;border-radius:4px;padding:2px 7px}
.ec-post-t{font-size:19px;font-weight:800;line-height:1.25;margin:3px 0 4px}
.ec-post.is-pin .ec-post-t{font-size:23px}
.ec-post-t a:hover{text-decoration:underline;text-decoration-color:var(--ec-mut)}
.ec-post-x{margin:0 0 4px;font-size:15px;color:var(--ec-mut)}
.ec-post-img{display:block;margin:9px 0 4px;border-radius:16px;overflow:hidden;border:1px solid var(--ec-line)}
.ec-post-img img{width:100%;max-height:340px;object-fit:cover}
.ec-actions{display:flex;align-items:center;gap:10px;margin-top:8px}
.ec-act{color:var(--ec-mut);font-size:13px;font-weight:600;border-radius:999px;padding:4px 12px;border:1px solid transparent;transition:.12s}
.ec-act:hover{color:var(--ec-blue);background:rgba(29,155,240,.1)}
.ec-act--read{color:var(--ec-blue);border-color:rgba(29,155,240,.4)}
.ec-act--read:hover{background:var(--ec-blue);color:#fff}

/* ── Sidebar ── */
.ec-side{display:flex;flex-direction:column;gap:16px;padding-top:10px}
.ec-box{background:var(--ec-soft);border-radius:16px;padding:14px 16px}
.ec-box h2{font-size:19px;font-weight:800;margin-bottom:6px}
.ec-box p{margin:0 0 10px;font-size:13.5px;color:var(--ec-mut)}
.ec-trends{list-style:none;margin:0;padding:0}
.ec-trend{padding:9px 0;border-bottom:1px solid var(--ec-line);display:flex;flex-direction:column;gap:1px}
.ec-trend:last-child{border-bottom:0}
.ec-trend-meta{font-size:12px;color:var(--ec-mut)}
.ec-trend-t{font-size:14.5px;font-weight:700;line-height:1.3}
.ec-trend-t:hover{text-decoration:underline}
.ec-trend-time{font-size:12px;color:var(--ec-mut)}
.ec-btn{display:inline-block;background:var(--ec-blue);color:#fff;font-weight:800;font-size:14px;border-radius:999px;padding:9px 20px}
.ec-btn:hover{background:var(--ec-blue-d)}
.ec-side-pills{display:flex;flex-wrap:wrap;gap:8px}
.ec-side-legal{font-size:12px;color:var(--ec-mut);padding:0 6px}
.ec-side-legal a:hover{text-decoration:underline}

/* ── Cabecera de sección ── */
.ec-sec-head{display:flex;align-items:center;gap:13px;padding:16px;border-bottom:1px solid var(--ec-line)}
.ec-sec-head h1{font-size:22px}
.ec-sec-count{font-size:13px;color:var(--ec-mut)}

/* ── Vacíos ── */
.ec-empty{text-align:center;padding:70px 24px}
.ec-empty h2{font-size:26px;margin-bottom:8px}
.ec-empty p{color:var(--ec-mut)}

/* ── Nota (detalle de post) ── */
.ec-art{max-width:640px;padding-top:10px}
.ec-art-card{border:1px solid var(--ec-line);border-radius:16px;padding:18px 20px;margin-bottom:20px}
.ec-art-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.ec-art-meta > div{display:flex;flex-direction:column;line-height:1.25}
.ec-art-t{font-size:26px;font-weight:800;line-height:1.22;margin:0 0 8px}
.ec-art-dek{font-size:17px;color:var(--ec-mut);margin:0 0 12px}
.ec-art-img{margin:0 0 10px}
.ec-art-img img{border-radius:16px;border:1px solid var(--ec-line);width:100%}
.ec-art-img figcaption{font-size:12px;color:var(--ec-mut);margin-top:5px}
.ec-art-time{font-size:13.5px;color:var(--ec-mut);padding-bottom:12px;border-bottom:1px solid var(--ec-line);margin-bottom:14px}
.ec-claves{border:1px solid var(--ec-line);border-left:4px solid var(--ec-blue);border-radius:12px;background:var(--ec-soft);padding:12px 16px;margin-bottom:16px}
.ec-claves h2{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--ec-mut);margin-bottom:7px}
.ec-claves ul{margin:0;padding-left:18px}
.ec-claves li{margin:4px 0;font-size:15px}
.ec-art-body{font-size:16.5px;line-height:1.65}
.ec-art-body p{margin:0 0 16px}
.ec-prose a{color:var(--ec-blue)}
.ec-prose a:hover{text-decoration:underline}
.ec-tags{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}
.ec-tags a{color:var(--ec-blue);font-size:14.5px;font-weight:600}
.ec-tags a:hover{text-decoration:underline}
.ec-art-share{display:flex;align-items:center;gap:9px;border-top:1px solid var(--ec-line);padding-top:14px;flex-wrap:wrap}
.ec-art-share span{font-size:13px;color:var(--ec-mut);font-weight:700}
.ec-art-share a{border:1px solid var(--ec-line);border-radius:999px;padding:6px 14px;font-size:13.5px;font-weight:700}
.ec-art-share a:hover{border-color:var(--ec-blue);color:var(--ec-blue);background:rgba(29,155,240,.08)}
.ec-more{border:1px solid var(--ec-line);border-radius:16px;overflow:hidden;margin-bottom:24px}
.ec-more-h{font-size:17px;font-weight:800;padding:13px 16px;border-bottom:1px solid var(--ec-line);background:var(--ec-soft)}
.ec-more .ec-post:last-child{border-bottom:0}

/* ── Footer ── */
.ec-footer{border-top:1px solid var(--ec-line);margin-top:32px;padding:24px 0 18px}
.ec-f-sub{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--ec-line);margin-bottom:16px}
.ec-f-sub h3{font-size:18px}
.ec-f-sub p{margin:2px 0 0;font-size:13px;color:var(--ec-mut)}
.ec-f-form{display:flex;gap:8px}
.ec-f-form input[type=email]{background:var(--ec-soft);border:1px solid var(--ec-line);border-radius:999px;padding:9px 16px;font:inherit;font-size:14px;min-width:230px;color:var(--ec-ink);outline:none}
.ec-f-form input[type=email]:focus{border-color:var(--ec-blue)}
.ec-f-form button{background:var(--ec-blue);color:#fff;border:0;border-radius:999px;font-weight:800;font-size:14px;padding:0 20px;cursor:pointer}
.ec-f-form button:hover{background:var(--ec-blue-d)}
.ec-f-links{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px;color:var(--ec-mut);margin-bottom:12px}
.ec-f-links a:hover{color:var(--ec-blue);text-decoration:underline}
.ec-f-legal{font-size:12px;color:var(--ec-mut)}

/* ── Responsive ── */
@media(max-width:1000px){
  .ec-cols{grid-template-columns:minmax(0,600px);justify-content:center}
  .ec-side{display:none}
}
@media(max-width:640px){
  .ec-feed{border-left:0;border-right:0}
  .ec-tagline{display:none}
  .ec-post-t{font-size:17.5px}
  .ec-post.is-pin .ec-post-t{font-size:20px}
  .ec-art-t{font-size:22px}
  .ec-f-sub{flex-direction:column;align-items:flex-start}
  .ec-f-form{width:100%}
  .ec-f-form input[type=email]{flex:1;min-width:0}
}