:root{
  --bg:#07111f; --panel:#0d1a2b; --panel2:#102238; --line:#203b58;
  --text:#e8f1fb; --muted:#9db0c5; --accent:#2ec4b6; --blue:#4da3ff;
  --ok:#36d17c; --warn:#ffc857; --bad:#ff6b6b; --radius:14px;
  --shadow:0 14px 40px rgba(0,0,0,.28);
}
*{ box-sizing:border-box; }

.sf-body{
  margin:0; min-height:100vh; color:var(--text); line-height:1.55;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:
    radial-gradient(58% 42% at 80% -6%, rgba(46,196,182,.13) 0%, transparent 55%),
    radial-gradient(46% 38% at 12% 8%, rgba(77,163,255,.10) 0%, transparent 55%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
}
.sf-wrap{ max-width:1040px; margin:0 auto; padding:26px 18px 84px; }

/* topbar */
.sf-top{ display:flex; justify-content:space-between; align-items:center; margin-bottom:30px; gap:12px; }
.sf-brand{ display:flex; align-items:center; gap:10px; font-weight:800; letter-spacing:-.01em; }
.sf-brand .m{ width:34px; height:34px; border-radius:9px; display:grid; place-items:center;
  background:linear-gradient(160deg,var(--accent),var(--blue)); color:#052a2a; font-weight:900; }
.sf-back{ color:var(--muted); text-decoration:none; font-size:.88rem; padding:8px 14px; border:1px solid var(--line); border-radius:10px; transition:.15s; }
.sf-back:hover{ color:var(--text); border-color:var(--accent); }

/* hero */
.sf-eyebrow{ display:inline-flex; align-items:center; gap:9px; font-size:.72rem; font-weight:700;
  letter-spacing:.16em; text-transform:uppercase; color:var(--accent); margin-bottom:12px; }
.sf-live{ width:9px; height:9px; border-radius:50%; background:var(--ok); box-shadow:0 0 0 0 rgba(54,209,124,.6); animation:sf-pulse 2.1s infinite; }
@keyframes sf-pulse{ 70%{ box-shadow:0 0 0 9px rgba(54,209,124,0);} 100%{ box-shadow:0 0 0 0 rgba(54,209,124,0);} }
.sf-h1{ font-size:clamp(1.8rem,4.5vw,2.5rem); margin:0 0 6px; letter-spacing:-.025em; line-height:1.1; }
.sf-lede{ color:var(--muted); margin:0 0 24px; font-size:1rem; max-width:60ch; }

/* banner de estado general */
.sf-banner{ display:flex; align-items:center; gap:16px; padding:18px 22px; border-radius:var(--radius);
  border:1px solid var(--line); margin-bottom:26px; background:var(--panel); }
.sf-banner.ok{ border-color:rgba(54,209,124,.42); background:linear-gradient(90deg, rgba(54,209,124,.12), transparent 70%); }
.sf-banner.bad{ border-color:rgba(255,107,107,.42); background:linear-gradient(90deg, rgba(255,107,107,.14), transparent 70%); }
.sf-banner .ic{ width:46px; height:46px; border-radius:50%; display:grid; place-items:center; font-size:1.45rem; flex:0 0 auto; }
.sf-banner.ok .ic{ background:rgba(54,209,124,.18); }
.sf-banner.bad .ic{ background:rgba(255,107,107,.18); }
.sf-banner .t{ font-weight:800; font-size:1.18rem; }
.sf-banner .s{ color:var(--muted); font-size:.88rem; }

/* grid de servicios */
.sf-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
@media(max-width:760px){ .sf-grid{ grid-template-columns:1fr; } }
.sf-card{ background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:2px 22px 14px; box-shadow:var(--shadow); }
.sf-card h2{ font-size:.74rem; letter-spacing:.13em; text-transform:uppercase; color:var(--muted);
  padding:18px 0 4px; margin:0; }
.sf-svc{ display:flex; align-items:center; gap:13px; padding:13px 0; border-top:1px solid rgba(32,59,88,.55); }
.sf-dot{ width:12px; height:12px; border-radius:50%; flex:0 0 auto; }
.sf-dot.verde{ background:var(--ok); box-shadow:0 0 11px rgba(54,209,124,.75); }
.sf-dot.amarillo{ background:var(--warn); box-shadow:0 0 11px rgba(255,200,87,.75); }
.sf-dot.rojo{ background:var(--bad); box-shadow:0 0 12px rgba(255,107,107,.85); animation:sf-blink 1.4s infinite; }
@keyframes sf-blink{ 50%{ opacity:.45; } }
.sf-name{ flex:1; font-weight:600; font-size:.96rem; }
.sf-badge{ font-size:.66rem; font-weight:800; letter-spacing:.05em; padding:3px 9px; border-radius:999px; text-transform:uppercase; }
.sf-badge.verde{ background:rgba(54,209,124,.16); color:var(--ok); }
.sf-badge.amarillo{ background:rgba(255,200,87,.16); color:var(--warn); }
.sf-badge.rojo{ background:rgba(255,107,107,.16); color:var(--bad); }
.sf-ms{ color:var(--muted); font-size:.8rem; font-variant-numeric:tabular-nums; min-width:54px; text-align:right; }
.sf-sync{ text-align:center; color:var(--muted); font-size:.82rem; margin:22px 0 0; }
.sf-empty{ background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:22px; color:var(--muted); }

/* paneles (historial + gráficos) */
.sf-panel{ margin-top:22px; background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:20px 22px; box-shadow:var(--shadow); }
.sf-panel-head{ display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap; margin-bottom:6px; }
.sf-panel h2{ font-size:.86rem; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); margin:0; font-weight:700; }
.sf-panel h2.sf-mt{ margin-top:26px; }
.sf-count{ display:inline-block; margin-left:6px; font-size:.7rem; background:rgba(46,196,182,.15); color:var(--accent); padding:2px 8px; border-radius:999px; letter-spacing:.02em; }
.sf-sub-h{ text-transform:none; letter-spacing:0; color:#63788f; font-weight:500; font-size:.78rem; margin-left:6px; }

/* filtro */
.sf-filter{ display:flex; gap:8px; flex-wrap:wrap; }
.sf-filter select{ padding:8px 12px; border-radius:9px; border:1px solid var(--line); background:#0a1728; color:var(--text); font-size:.85rem; cursor:pointer; }
.sf-filter select:focus{ outline:none; border-color:var(--accent); }

/* tabla historial */
.sf-tablewrap{ overflow-x:auto; margin-top:12px; }
.sf-table{ width:100%; border-collapse:collapse; font-size:.9rem; }
.sf-table th{ text-align:left; font-size:.7rem; letter-spacing:.08em; text-transform:uppercase; color:var(--muted); font-weight:700; padding:0 14px 10px 0; border-bottom:1px solid var(--line); white-space:nowrap; }
.sf-table td{ padding:11px 14px 11px 0; border-bottom:1px solid rgba(32,59,88,.5); white-space:nowrap; }
.sf-table tr:last-child td{ border-bottom:0; }
.sf-fecha{ color:var(--muted); font-variant-numeric:tabular-nums; }
.sf-amb{ color:var(--muted); }
.sf-arrow{ color:#5f758f; margin:0 4px; }
.st-verde{ color:var(--ok); font-weight:700; }
.st-amarillo{ color:var(--warn); font-weight:700; }
.st-rojo{ color:var(--bad); font-weight:700; }
.sf-nomatch{ display:none; color:var(--muted); font-size:.88rem; padding:14px 0 4px; }
.sf-nomatch.sf-show{ display:block; }
.sf-hidden{ display:none !important; }

/* paginación del historial */
.sf-pager{ display:flex; align-items:center; justify-content:center; gap:14px; margin-top:16px; }
.sf-pg-btn{ padding:8px 16px; border-radius:9px; border:1px solid var(--line); background:#0a1728; color:var(--text); font-size:.85rem; font-weight:700; cursor:pointer; transition:.15s; }
.sf-pg-btn:hover:not(:disabled){ border-color:var(--accent); color:var(--accent); }
.sf-pg-btn:disabled{ opacity:.4; cursor:default; }
.sf-pg-info{ color:var(--muted); font-size:.85rem; font-variant-numeric:tabular-nums; min-width:110px; text-align:center; }

/* gráfico caídas por hora (SVG) */
.sf-chartwrap{ margin-top:14px; overflow-x:auto; }
.sf-chart{ width:100%; min-width:520px; height:auto; display:block; }
.sf-bar{ fill:var(--bad); }
.sf-axis{ stroke:var(--line); stroke-width:1; }
.sf-axislbl{ fill:#63788f; font-size:11px; font-family:system-ui,sans-serif; }

/* caídas por servicio (barras horizontales SVG) */
.sf-hbars{ margin-top:14px; display:grid; gap:12px; }
.sf-hbar{ display:grid; grid-template-columns:minmax(120px,180px) 1fr auto; align-items:center; gap:12px; }
.sf-hbar-lbl{ font-size:.9rem; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.sf-hbar-svg{ width:100%; height:12px; display:block; }
.sf-hbar-fill{ fill:var(--bad); }
.sf-hbar-num{ font-variant-numeric:tabular-nums; font-weight:800; color:var(--bad); min-width:24px; text-align:right; }
@media(max-width:560px){ .sf-hbar{ grid-template-columns:1fr auto; } .sf-hbar-svg{ grid-column:1 / -1; } }

/* suscripción */
.sf-sub{ margin-top:34px; border-radius:16px; padding:28px; border:1px solid var(--line);
  background:linear-gradient(150deg, rgba(46,196,182,.11), rgba(77,163,255,.06) 60%), var(--panel); }
.sf-sub h2{ margin:0 0 4px; font-size:1.28rem; }
.sf-sub p{ color:var(--muted); margin:0 0 18px; }
.sf-form{ display:flex; gap:10px; flex-wrap:wrap; }
.sf-form input{ flex:1 1 200px; padding:13px 15px; border-radius:11px; border:1px solid var(--line);
  background:#0a1728; color:var(--text); font-size:1rem; }
.sf-form input::placeholder{ color:#5f758f; }
.sf-form input:focus{ outline:none; border-color:var(--accent); box-shadow:0 0 0 3px rgba(46,196,182,.15); }
.sf-form button{ padding:13px 28px; border:0; border-radius:11px; cursor:pointer; font-weight:800; font-size:1rem;
  background:linear-gradient(160deg,var(--accent),var(--blue)); color:#052a2a; transition:.15s; }
.sf-form button:hover{ filter:brightness(1.07); }
.sf-form button:disabled{ opacity:.6; cursor:wait; }
.sf-hint{ color:var(--muted); font-size:.78rem; margin-top:10px; }
.sf-msg{ margin-top:14px; padding:12px 15px; border-radius:11px; font-size:.9rem; display:none; }
.sf-msg.ok{ display:block; background:rgba(54,209,124,.14); color:var(--ok); border:1px solid rgba(54,209,124,.3); }
.sf-msg.err{ display:block; background:rgba(255,107,107,.14); color:var(--bad); border:1px solid rgba(255,107,107,.3); }
.sf-foot{ text-align:center; color:var(--muted); font-size:.78rem; margin-top:32px; }

/* link CTA en la barra de navegación de la guía */
.topnav-cta{ display:inline-flex; align-items:center; gap:6px; padding:7px 14px; margin-left:8px; border-radius:10px;
  background:linear-gradient(160deg,var(--accent),var(--blue)); color:#052a2a !important; font-weight:800;
  text-decoration:none; font-size:.86rem; }
.topnav-cta:hover{ filter:brightness(1.08); }

/* contador de suscriptos */
.sf-subscriber-count{ margin:0 0 16px; color:var(--muted); font-size:.9rem; }
.sf-subscriber-count strong{ color:var(--accent); font-size:1.05rem; }

/* botón flotante de WhatsApp (bajas) */
.sf-wa-float{ position:fixed; right:18px; bottom:18px; z-index:60; display:inline-flex; align-items:center;
  background:#25d366; border-radius:999px; padding:14px; text-decoration:none;
  box-shadow:0 10px 26px rgba(0,0,0,.4); overflow:hidden; transition:padding .25s ease; }
.sf-wa-float:hover{ padding-right:20px; }
.sf-wa-ico{ width:26px; height:26px; fill:#fff; flex:0 0 auto; }
.sf-wa-txt{ max-width:0; opacity:0; white-space:nowrap; color:#fff; font-weight:800; font-size:.9rem; transition:max-width .25s ease, opacity .2s ease, margin-left .25s ease; }
.sf-wa-float:hover .sf-wa-txt{ max-width:160px; opacity:1; margin-left:9px; }
@media(max-width:560px){ .sf-wa-float:hover{ padding-right:14px; } .sf-wa-float:hover .sf-wa-txt{ max-width:0; opacity:0; margin-left:0; } }

@media (prefers-reduced-motion:reduce){ .sf-live,.sf-dot.rojo{ animation:none; } }