:root{
  --bg:#0b1020; --bg2:#101830; --card:rgba(255,255,255,.055); --card2:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.09); --txt:#eef2ff; --sub:#9aa6c4; --dim:#6b7694;
  --acc:#6ee7d8; --acc2:#8b9cff; --acc-txt:#05211d; --bad:#ff8a8a; --warn:#ffd27a;
  --sh:0 20px 60px -20px rgba(0,0,0,.6); --r:18px;
  --grad:radial-gradient(1200px 700px at 10% -10%,rgba(110,231,216,.16),transparent 60%),
         radial-gradient(900px 600px at 110% 10%,rgba(139,156,255,.18),transparent 60%),
         linear-gradient(180deg,var(--bg),var(--bg2));
  color-scheme:dark;
}
@media (prefers-color-scheme: light){
  :root{--bg:#f4f7fb;--bg2:#eaf0f8;--card:rgba(255,255,255,.75);--card2:#fff;--line:rgba(15,23,42,.08);
  --txt:#0f172a;--sub:#55607a;--dim:#8b94ab;--acc:#0fb5a3;--acc2:#5b6cf0;--acc-txt:#fff;--sh:0 20px 50px -25px rgba(15,23,42,.35);
  --grad:radial-gradient(1200px 700px at 10% -10%,rgba(15,181,163,.14),transparent 60%),
         radial-gradient(900px 600px at 110% 10%,rgba(91,108,240,.14),transparent 60%),
         linear-gradient(180deg,var(--bg),var(--bg2));color-scheme:light}
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html,body{min-height:100%}
body{font:15px/1.5 "Inter",system-ui,sans-serif;color:var(--txt);background:var(--grad) fixed;background-color:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3,.marca{font-family:"Outfit","Inter",sans-serif;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
.marca{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:1.35rem}
.marca svg{width:28px;height:28px}
.marca b{background:linear-gradient(90deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;border:1px solid var(--line);background:var(--card);
  padding:.6rem 1rem;border-radius:12px;cursor:pointer;transition:.18s;white-space:nowrap;font-weight:500}
.btn:hover{background:var(--card2);transform:translateY(-1px)}
.btn.pri{background:linear-gradient(135deg,var(--acc),var(--acc2));color:var(--acc-txt);border:0;font-weight:600}
.btn.pri:hover{filter:brightness(1.06)}
.btn.peq{padding:.38rem .7rem;font-size:.85rem;border-radius:10px}
.btn.ico{padding:.5rem;width:36px;height:36px}
.btn.mal:hover{color:var(--bad);border-color:color-mix(in srgb,var(--bad) 40%,transparent)}
.btn svg{width:18px;height:18px;flex:none}
.campo{width:100%;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:.7rem .9rem;outline:none;transition:.15s}
.campo:focus{border-color:var(--acc);box-shadow:0 0 0 4px color-mix(in srgb,var(--acc) 18%,transparent)}
label.et{display:block;font-size:.82rem;color:var(--sub);margin:0 0 .35rem .15rem;font-weight:500}
.tarjeta{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);backdrop-filter:blur(18px)}
.chip{display:inline-flex;align-items:center;gap:.35rem;font-size:.75rem;padding:.2rem .55rem;border-radius:999px;background:var(--card2);color:var(--sub);border:1px solid var(--line)}
.chip svg{width:12px;height:12px}
.chip.ok{color:var(--acc)} .chip.mal{color:var(--bad)} .chip.av{color:var(--warn)}
.sub{color:var(--sub)} .dim{color:var(--dim)}
/* interruptor */
.sw{position:relative;display:inline-flex;align-items:center;gap:.7rem;cursor:pointer;user-select:none}
.sw input{position:absolute;opacity:0}
.sw i{width:42px;height:24px;border-radius:99px;background:var(--card2);border:1px solid var(--line);position:relative;transition:.2s;flex:none}
.sw i:after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:var(--sub);transition:.2s}
.sw input:checked+i{background:linear-gradient(135deg,var(--acc),var(--acc2));border-color:transparent}
.sw input:checked+i:after{left:20px;background:#fff}
/* centro (login, clave, avisos) */
.centro{min-height:100vh;display:grid;place-items:center;padding:24px 16px}
.caja{width:100%;max-width:400px;padding:34px 30px;text-align:center}
.caja h1{font-size:1.5rem;margin:18px 0 6px}
.caja form{margin-top:22px;display:grid;gap:12px}
.err{color:var(--bad);font-size:.9rem}
.ilus{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;margin:0 auto;background:linear-gradient(135deg,color-mix(in srgb,var(--acc) 25%,transparent),color-mix(in srgb,var(--acc2) 25%,transparent));border:1px solid var(--line)}
.ilus svg{width:30px;height:30px;color:var(--acc)}
/* toast */
#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);opacity:0;pointer-events:none;
  background:var(--card2);border:1px solid var(--line);padding:.7rem 1.1rem;border-radius:12px;box-shadow:var(--sh);transition:.25s;z-index:99;backdrop-filter:blur(18px)}
#toast.ver{opacity:1;transform:translateX(-50%)}