/* Tactica One · acceso */
:root{
  --bg:#F3F6F4; --surface:#FFFFFF; --line:#C9D3CD; --ink:#14201B; --ink-2:#4A5852; --ink-3:#7C8781;
  --accent:#0E7A68; --accent-ink:#FFFFFF; --glow:rgba(14,122,104,.28); --focus:rgba(14,122,104,.16);
  --bad:#AE3D31; --bad-soft:#F6DFDA; --good:#23724A; --good-soft:#DAF0E2; --warn:#9A6414; --warn-soft:#F7EAD2;
  --shadow:0 2px 6px rgba(20,32,27,.04),0 24px 60px rgba(20,32,27,.10);
  /* escena de marketing: siempre oscura */
  --s-bg:#08241F; --s-ink:#EAF6F2; --s-quiet:#8FB9AF; --s-line:rgba(234,246,242,.12); --s-glass:rgba(234,246,242,.06);
  --s-mint:#5FE0C8; --s-pink:#F2668B; --s-amber:#F5B84B;
  --f-display:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --f-body:"Instrument Sans","Segoe UI",system-ui,-apple-system,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root{color-scheme:dark;
    --bg:#0B110F; --surface:#141C19; --line:#2E3C37; --ink:#E4ECE7; --ink-2:#A3B0A9; --ink-3:#74807A;
    --accent:#3CC5AE; --accent-ink:#04201A; --glow:rgba(60,197,174,.22); --focus:rgba(60,197,174,.2);
    --bad:#EC8577; --bad-soft:#3A1D19; --good:#63C891; --good-soft:#15301F; --warn:#E3AE55; --warn-soft:#352914;
    --shadow:0 24px 60px rgba(0,0,0,.45);
  }
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 var(--f-body)}
.auth{min-height:100%;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}

/* ---------- escena ---------- */
.show{position:relative;overflow:hidden;background:
  radial-gradient(600px 400px at 85% 10%, rgba(95,224,200,.18), transparent 60%),
  radial-gradient(500px 380px at 10% 95%, rgba(242,102,139,.16), transparent 60%),
  var(--s-bg);
  color:var(--s-ink);padding:48px 56px 40px;display:flex;flex-direction:column;gap:28px}
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(var(--s-line) 1px,transparent 1px),linear-gradient(90deg,var(--s-line) 1px,transparent 1px);background-size:44px 44px;opacity:.35;-webkit-mask-image:radial-gradient(circle at 50% 45%,#000 20%,transparent 75%);mask-image:radial-gradient(circle at 50% 45%,#000 20%,transparent 75%);pointer-events:none}
.kicker{position:relative;margin:0;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--s-mint);font-weight:600}
.headline{position:relative;font-family:var(--f-display);font-weight:800;font-size:clamp(34px,3.6vw,52px);line-height:1.02;letter-spacing:-.03em;margin:0;max-width:13ch}
.swap{display:inline-block;position:relative;vertical-align:bottom;overflow:hidden;height:1.05em}
.word{display:inline-block;background:linear-gradient(90deg,var(--s-mint),var(--s-amber));-webkit-background-clip:text;background-clip:text;color:transparent;transition:transform .45s cubic-bezier(.2,.8,.2,1),opacity .45s}
.word.out{transform:translateY(-100%);opacity:0}
.word.in{transform:translateY(100%);opacity:0;transition:none}

.stage{position:relative;flex:1;min-height:380px;display:grid;place-items:center}
.phone{position:relative;z-index:2;width:min(330px,100%);background:rgba(8,36,31,.72);border:1px solid var(--s-line);border-radius:26px;padding:14px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 30px 80px rgba(0,0,0,.45)}
.phone-top{display:flex;align-items:center;gap:10px;padding:2px 4px 12px;border-bottom:1px solid var(--s-line)}
.phone-top div{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.phone-top b{font-size:14px}
.phone-top span{font-size:12px;color:var(--s-quiet)}
.av{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--s-pink),var(--s-amber));flex:none;color:#2A0B14}
.live{margin-left:auto;font-style:normal;font-size:11px;font-weight:600;color:var(--s-mint);display:flex;align-items:center;gap:6px}
.live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--s-mint);box-shadow:0 0 0 0 rgba(95,224,200,.6);animation:pulse 1.6s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(95,224,200,0)}100%{box-shadow:0 0 0 0 rgba(95,224,200,0)}}
.feed{display:flex;flex-direction:column;gap:8px;padding-top:12px;min-height:270px;transition:opacity .4s}
.feed.fade{opacity:0}
.b{max-width:84%;padding:9px 12px;border-radius:16px;font-size:13.5px;line-height:1.4;animation:pop .35s cubic-bezier(.2,.9,.3,1.2) both}
.b.in{align-self:flex-start;background:rgba(234,246,242,.1);border-bottom-left-radius:5px}
.b.out{align-self:flex-end;background:#0E7A68;color:#fff;border-bottom-right-radius:5px}
.b.out small{display:block;font-size:10.5px;opacity:.7;margin-top:3px}
.b.ev{align-self:center;max-width:100%;background:transparent;border:1px dashed var(--s-line);color:var(--s-quiet);font-size:12.5px;border-radius:12px;display:flex;align-items:center;gap:8px}
.b.ev svg{width:15px;height:15px;stroke:var(--s-pink);fill:none;stroke-width:2;flex:none}
.b.win{align-self:center;background:rgba(95,224,200,.14);border:1px solid rgba(95,224,200,.45);color:var(--s-mint);font-weight:600;font-size:13px;display:flex;align-items:center;gap:8px;border-radius:999px;padding:8px 14px}
.b.win svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2.2}
.typing{display:inline-flex;gap:4px;padding:12px 14px}
.typing i{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.4;animation:blink 1.1s infinite}
.typing i:nth-child(2){animation-delay:.18s}.typing i:nth-child(3){animation-delay:.36s}
@keyframes blink{40%{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.96)}to{opacity:1;transform:none}}

.float{position:absolute;z-index:3;display:flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;padding:8px 12px;border-radius:999px;background:rgba(234,246,242,.08);border:1px solid var(--s-line);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);color:var(--s-ink);animation:bob 6s ease-in-out infinite;transition:transform .25s ease-out;white-space:nowrap}
.float svg{width:16px;height:16px;fill:none;stroke-width:2;stroke:currentColor}
.f1{top:6%;left:4%;color:#FFD3DE}.f1 svg{fill:var(--s-pink);stroke:var(--s-pink)}
.f2{top:18%;right:2%;animation-delay:-1.5s}
.f3{bottom:14%;left:0;color:var(--s-mint);animation-delay:-3s}
.f4{bottom:4%;right:6%;color:#FFE3B0;animation-delay:-4.5s}
@keyframes bob{50%{translate:0 -10px}}
.float.bump{animation:bump .4s}
@keyframes bump{50%{scale:1.12}}

.funnel{position:relative;list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;counter-reset:s}
.funnel li{position:relative;font-size:12.5px;color:var(--s-quiet);padding-top:14px;transition:color .3s}
.funnel li::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;border-radius:4px;background:var(--s-line);transition:background .4s}
.funnel li.done{color:var(--s-ink)}
.funnel li.done::before{background:var(--s-mint)}
.funnel li.now{color:var(--s-ink);font-weight:600}
.funnel li.now::before{background:linear-gradient(90deg,var(--s-mint),var(--s-amber))}

/* ---------- formulario ---------- */
.side{display:grid;place-items:center;padding:40px 24px}
.auth-card{width:100%;max-width:420px}
.auth-logo{display:flex;align-items:center;gap:12px;margin-bottom:32px}
.auth-logo img{width:48px;height:48px;border-radius:13px;box-shadow:0 8px 20px var(--glow)}
.auth-logo span{font-family:var(--f-display);font-weight:800;font-size:21px;letter-spacing:-.02em}
h1{font-family:var(--f-display);font-weight:800;font-size:30px;letter-spacing:-.025em;margin:0 0 6px;text-wrap:balance}
.sub{color:var(--ink-2);margin:0 0 26px}
form{display:flex;flex-direction:column;gap:14px}
.field{position:relative}
.field input{font:inherit;font-size:16px;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:27px 14px 9px;width:100%;transition:border-color .15s, box-shadow .15s}
.field label{position:absolute;left:15px;top:50%;transform:translateY(-50%);font-size:16px;color:var(--ink-3);pointer-events:none;transition:all .15s ease}
.field input:focus + label,.field input:not(:placeholder-shown) + label{top:9px;font-size:12px;font-weight:600;color:var(--accent);transform:none}
.field input:not(:focus):not(:placeholder-shown) + label{color:var(--ink-3)}
.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--focus)}
.pw input{padding-right:56px}
.eye{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:40px;height:40px;border:0;background:transparent;border-radius:10px;display:grid;place-items:center;color:var(--ink-3);cursor:pointer}
.eye:hover{color:var(--accent);background:var(--focus)}
.eye svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8}
.eye[aria-pressed="true"]{color:var(--accent)}
.caps{margin:-6px 0 0;font-size:12.5px;color:var(--warn);background:var(--warn-soft);border-radius:8px;padding:6px 10px}
.hint{font-size:12.5px;color:var(--ink-3);margin-top:-8px}
code{font-size:12px;background:var(--focus);padding:1px 5px;border-radius:5px}
.primary{position:relative;margin-top:8px;background:var(--accent);color:var(--accent-ink);border:0;border-radius:999px;padding:15px;font:inherit;font-weight:600;font-size:16px;cursor:pointer;text-decoration:none;display:flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 10px 26px var(--glow);transition:filter .15s, transform .15s, box-shadow .15s;overflow:hidden}
.primary svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2.2;transition:transform .2s}
.primary:hover{filter:brightness(1.07);box-shadow:0 14px 30px var(--glow)}
.primary:hover svg{transform:translateX(4px)}
.primary:active{transform:translateY(1px)}
.primary.loading{pointer-events:none}
.primary.loading span,.primary.loading svg{opacity:0}
.primary.loading::after{content:"";position:absolute;width:20px;height:20px;border-radius:50%;border:2.5px solid currentColor;border-right-color:transparent;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.primary:focus-visible,.eye:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.foot{margin:22px 0 0;font-size:13.5px;color:var(--ink-3)}
.alert{border-radius:12px;padding:11px 14px;font-size:14px;margin:-8px 0 18px;animation:shake .35s}
.alert.err{background:var(--bad-soft);color:var(--bad)}
.alert.ok{background:var(--good-soft);color:var(--good);animation:none}
@keyframes shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
a.primary{color:var(--accent-ink)}

@media (max-width:980px){
  .auth{grid-template-columns:1fr}
  .show{padding:28px 16px 26px;gap:10px}
  .stage,.funnel{display:none}
  .headline{font-size:32px;max-width:none}
  .side{padding:28px 16px 40px;align-items:start}
  .auth-logo{margin-bottom:22px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}