/* ============================================================
   style.css — Plataforma de Códigos OTP
   ============================================================ */
:root{
  --accent:#6366f1;
  --bg:#0f1117; --surface:#161b27; --surface2:#1d2333;
  --border:#242c3d; --text:#e8ecf4; --text2:#aab3c5; --muted:#6b7688;
  --ok:#4ade80; --err:#f87171; --radius:12px;
  --font:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.5}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
code{background:rgba(255,255,255,.06);padding:1px 6px;border-radius:6px;font-size:.85em;color:var(--text2)}
.muted{color:var(--muted)}
.sm{font-size:12px}
.center{text-align:center;display:block}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;cursor:pointer;
  border:1px solid transparent;border-radius:10px;padding:10px 18px;font-size:14px;font-weight:600;
  font-family:inherit;transition:.15s;text-decoration:none;white-space:nowrap}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--accent),color-mix(in srgb,var(--accent) 62%,#000));color:#fff;
  box-shadow:0 6px 18px color-mix(in srgb,var(--accent) 32%,transparent)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text2)}
.btn-ghost:hover{border-color:var(--accent);color:var(--text)}
.btn-danger{background:transparent;border-color:#4a2530;color:var(--err);padding:8px 12px}
.btn-danger:hover{background:rgba(248,113,113,.1)}
.btn-sm{padding:6px 12px;font-size:13px}
.btn-block{width:100%;margin-top:8px}
.link-muted{color:var(--muted);font-size:13px}

/* ---------- Alertas ---------- */
.alert{padding:11px 15px;border-radius:10px;margin:14px 0;font-size:14px}
.alert-ok{background:rgba(74,222,128,.1);border:1px solid rgba(74,222,128,.3);color:var(--ok)}
.alert-err{background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.3);color:var(--err)}

/* ---------- Layout público ---------- */
.public{min-height:100vh;display:flex;flex-direction:column;position:relative}
.hero{flex:1;display:flex;align-items:center;justify-content:center;padding:6vh 18px 42px;
  background:radial-gradient(1100px 520px at 50% -12%,color-mix(in srgb,var(--accent) 24%,transparent),transparent)}
.glass{width:100%;max-width:540px;text-align:center;position:relative;
  background:rgba(18,22,33,.72);
  background:color-mix(in srgb,var(--surface) 82%,transparent);
  border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:38px 32px 30px;
  box-shadow:0 30px 70px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.07);
  -webkit-backdrop-filter:blur(20px) saturate(150%);backdrop-filter:blur(20px) saturate(150%);
  animation:rise .55s cubic-bezier(.2,.7,.2,1) both}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:16px;
  background:color-mix(in srgb,var(--accent) 15%,transparent);
  border:1px solid color-mix(in srgb,var(--accent) 38%,transparent);padding:5px 13px;border-radius:99px}
.logo{font-size:clamp(30px,7vw,44px);font-weight:800;margin:0 0 10px;line-height:1.05;letter-spacing:-.02em;
  background:linear-gradient(120deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.tagline{color:var(--text2);font-size:15.5px;margin:0 0 26px}
.search{display:flex;gap:8px;background:rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.14);
  border-radius:16px;padding:7px;transition:border-color .15s,box-shadow .15s}
.search:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 24%,transparent)}
.search input{flex:1;background:transparent;border:none;outline:none;color:var(--text);
  font-size:16px;padding:12px 15px;font-family:inherit;min-width:0}
.search input::placeholder{color:var(--muted)}
.search .btn{border-radius:11px;padding:12px 20px;white-space:nowrap}
.fineprint{color:var(--muted);font-size:12.5px;margin-top:14px}
.center-alert{text-align:left;margin-top:18px}

/* ---------- Resultados ---------- */
.results{margin-top:24px;text-align:left;display:flex;flex-direction:column;gap:14px}
.result-card{background:rgba(0,0,0,.26);border:1px solid rgba(255,255,255,.1);border-radius:16px;
  padding:18px 20px;box-shadow:0 6px 18px rgba(0,0,0,.25);animation:rise .4s ease both}
.rc-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:4px}
.rc-service{font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--accent)}
.rc-time{font-size:12px;color:var(--muted)}
.rc-subject{font-size:13px;color:var(--text2);margin-bottom:12px}
.rc-code{font-size:clamp(34px,9vw,46px);font-weight:800;letter-spacing:.2em;font-family:'Courier New',monospace;
  color:#fff;text-align:center;padding:18px 14px;margin-bottom:12px;border-radius:14px;
  background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 32%,transparent),color-mix(in srgb,var(--accent) 8%,transparent));
  border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);
  text-shadow:0 0 26px color-mix(in srgb,var(--accent) 55%,transparent)}
.btn-copy{width:100%;background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-copy:hover{border-color:var(--accent)}
.rc-frame{width:100%;border:1px solid rgba(255,255,255,.12);border-radius:12px;background:#fff;
  min-height:420px;display:block}
.rc-msg summary{cursor:pointer;color:var(--accent);font-size:14px}
.rc-msg-body{margin-top:12px;background:var(--surface2);border:1px solid var(--border);
  border-radius:8px;padding:14px;font-size:13px;color:var(--text2)}
.result-empty{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:36px 20px;text-align:center}
.re-icon{font-size:34px;margin-bottom:8px}
.re-title{font-size:17px;font-weight:700;margin-bottom:6px}
.re-text{color:var(--text2);font-size:14px;margin-bottom:16px}
.public-foot{display:flex;flex-direction:column;align-items:center;gap:5px;text-align:center;
  padding:24px 20px 28px;border-top:1px solid rgba(255,255,255,.08);background:rgba(0,0,0,.3)}
.foot-main{color:var(--text);font-size:14px;font-weight:700;letter-spacing:.02em}
.foot-dev{color:var(--muted);font-size:12.5px}
.foot-dev .dev-tag{color:var(--accent);font-weight:800;letter-spacing:.02em;text-decoration:none}
.foot-dev .dev-tag:hover{text-decoration:underline}
.admin-top{position:fixed;top:16px;right:18px;z-index:90;font-size:11.5px;color:var(--text2);
  background:rgba(0,0,0,.38);border:1px solid rgba(255,255,255,.15);border-radius:99px;
  padding:7px 15px;text-transform:uppercase;letter-spacing:.07em;font-weight:600;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:.15s}
.admin-top:hover{color:#fff;border-color:var(--accent);text-decoration:none}

/* ---------- Pantallas centradas (login / install) ---------- */
.centered{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:radial-gradient(1000px 460px at 50% -10%,color-mix(in srgb,var(--accent) 22%,transparent),transparent)}
.auth-card{width:100%;max-width:412px;overflow:hidden;
  background:rgba(18,22,33,.9);background:color-mix(in srgb,var(--surface) 90%,transparent);
  border:1px solid rgba(255,255,255,.12);border-radius:22px;
  box-shadow:0 30px 70px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.06);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);animation:rise .5s ease both}
.auth-head{text-align:center;padding:32px 30px 6px}
.auth-logo{width:62px;height:62px;border-radius:18px;display:flex;align-items:center;justify-content:center;
  margin:0 auto 14px;font-size:28px;color:#fff;
  background:linear-gradient(135deg,var(--accent),color-mix(in srgb,var(--accent) 55%,#000));
  box-shadow:0 10px 26px color-mix(in srgb,var(--accent) 40%,transparent)}
.auth-logo img{width:100%;height:100%;object-fit:cover;border-radius:18px}
.auth-title{font-size:23px;font-weight:800;margin:0;letter-spacing:-.01em;
  background:linear-gradient(120deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.auth-sub{color:var(--muted);font-size:12px;margin-top:6px;text-transform:uppercase;letter-spacing:.12em}
.auth-body{padding:22px 30px 28px}

/* ---------- Card genérica ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  margin-bottom:20px;overflow:hidden}
.card-head{display:flex;justify-content:space-between;align-items:center;
  padding:16px 20px;border-bottom:1px solid var(--border)}
.card-head h2{font-size:16px;margin:0}
.pad{padding:18px 20px}
.pad-x{padding:0 20px}

/* ---------- Formularios ---------- */
.field{display:block;margin-bottom:14px}
.field>span{display:block;font-size:12.5px;color:var(--text2);margin-bottom:6px}
.field input,.field select{width:100%;background:var(--surface2);border:1px solid var(--border);
  border-radius:9px;padding:10px 12px;color:var(--text);font-size:14px;font-family:inherit;outline:none}
.field input:focus,.field select:focus{border-color:var(--accent)}
.field.checkbox{display:flex;align-items:center;gap:10px;background:var(--surface2);
  border:1px solid var(--border);border-radius:9px;padding:12px}
.field.checkbox span{margin:0;flex:1}
.field.checkbox input{width:18px;height:18px;accent-color:var(--accent)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.hint{background:var(--surface2);border:1px solid var(--border);border-radius:9px;
  padding:11px 14px;font-size:12.5px;color:var(--text2);margin:6px 0 14px}
.form-actions{display:flex;align-items:center;gap:10px;margin-top:8px}
.spacer{flex:1}
.test-result{font-size:13px;font-weight:600}
.test-result.ok{color:var(--ok)}.test-result.err{color:var(--err)}

/* ---------- Admin topbar ---------- */
.topbar{display:flex;align-items:center;gap:24px;padding:0 24px;height:58px;
  background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;flex-wrap:wrap}
.brand{font-weight:800;font-size:17px}
.brand span{color:var(--muted);font-weight:400;font-size:14px}
.topnav{display:flex;gap:4px;flex:1;flex-wrap:wrap}
.topnav a{color:var(--text2);padding:8px 12px;border-radius:8px;font-size:14px}
.topnav a:hover{background:var(--surface2);text-decoration:none}
.topnav a.on{color:#fff;background:var(--accent)}
.topright{display:flex;align-items:center;gap:14px}
.wrap{max-width:980px;margin:0 auto;padding:26px 20px 60px}
.page-title{font-size:22px;margin:0 0 20px}
.foot{text-align:center;color:var(--muted);font-size:13px;padding:20px}

/* ---------- Tablas ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.06em;
  color:var(--muted);padding:10px 20px;border-bottom:1px solid var(--border)}
.tbl td{padding:12px 20px;border-bottom:1px solid var(--border);vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}
.tbl code{font-size:12px}
.actions{display:flex;gap:6px;justify-content:flex-end}
.inline{display:inline}
.pill{display:inline-block;font-size:11.5px;padding:3px 10px;border-radius:99px;
  border:1px solid var(--border);background:var(--surface2);color:var(--text2);cursor:default;font-family:inherit}
button.pill{cursor:pointer}
.pill-ok{color:var(--ok);border-color:rgba(74,222,128,.3);background:rgba(74,222,128,.1)}
.pill-off{color:var(--muted)}
.pager{display:flex;justify-content:space-between;align-items:center;padding:14px 20px}

/* ---------- Dashboard ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}
.stat{padding:18px 20px;margin:0}
.stat-num{font-size:28px;font-weight:800;color:var(--accent)}
.stat-label{font-size:12.5px;color:var(--text2);margin-top:4px}
.steps{margin:0;padding:16px 20px 20px 40px;color:var(--text2);line-height:1.9}

/* ---------- Logo, contador, contacto ---------- */
.logo-img{max-height:88px;max-width:82%;margin:0 auto 14px;display:block;object-fit:contain;
  filter:drop-shadow(0 8px 20px rgba(0,0,0,.45))}

.countdown{margin-top:18px;display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--text2);
  background:var(--surface);border:1px solid var(--border);border-radius:99px;padding:7px 15px}
.countdown b{color:var(--accent)}
.cd-ring{width:12px;height:12px;border-radius:50%;border:2px solid var(--accent);border-top-color:transparent;
  display:inline-block;animation:cdspin 1s linear infinite}
@keyframes cdspin{to{transform:rotate(360deg)}}
.cd-stop{background:none;border:none;color:var(--muted);cursor:pointer;font-size:12px;text-decoration:underline;font-family:inherit;padding:0}
.cd-stop:hover{color:var(--text)}

.fabs{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:12px;z-index:100}
.fab{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(0,0,0,.35);transition:transform .15s}
.fab:hover{transform:scale(1.08)}
.fab-wa{background:#25D366}
.fab-tg{background:#229ED9}

/* Pantalla de carga */
.loading-overlay{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
  background:rgba(8,10,16,.74);-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px)}
.loading-overlay.show{display:flex;animation:fadeIn .2s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.lo-card{text-align:center;padding:30px 40px}
.lo-loader{position:relative;width:74px;height:74px;margin:0 auto 22px}
.lo-ring{position:absolute;inset:0;border-radius:50%;border:4px solid rgba(255,255,255,.15);
  border-top-color:var(--accent);animation:cdspin .8s linear infinite}
.lo-ic{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:30px;
  animation:loPulse 1.4s ease-in-out infinite}
@keyframes loPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.12)}}
.lo-title{font-size:19px;font-weight:800;color:#fff;margin-bottom:6px}
.lo-sub{font-size:13.5px;color:var(--text2);max-width:280px;word-break:break-word}

.thumb{max-height:64px;max-width:220px;border:1px solid var(--border);border-radius:8px;background:#fff;padding:5px;margin-top:8px;object-fit:contain}
.color-row{display:flex;align-items:center;gap:8px}
.color-row input[type=color]{width:44px;height:38px;padding:2px;cursor:pointer}

@media(max-width:720px){
  .grid2,.grid3,.cards{grid-template-columns:1fr}
  .search{flex-direction:column}
  .actions{justify-content:flex-start}
  .fab{width:48px;height:48px}
}