/* ============================================================
   PTRAINERS — Design system compartilhado
   ============================================================ */

:root{
  --ink:#12172B;
  --ink-soft:#1E2444;
  --ink-softer:#2B3358;
  --paper:#F6F7F2;
  --paper-dim:#EAEBE3;
  --volt:#C4F135;
  --volt-dim:#8FB824;
  --coral:#FF5A5F;
  --coral-dim:#FFE1E1;
  --ok:#2FBF71;
  --ok-dim:#DEF7E9;
  --line:rgba(18,23,43,0.10);
  --line-dark:rgba(255,255,255,0.10);
  --shadow:0 12px 32px rgba(18,23,43,0.10);
  --display:'Archivo Black', sans-serif;
  --body:'Manrope', sans-serif;
  --mono:'IBM Plex Mono', monospace;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:26px;
}

*{ box-sizing:border-box; margin:0; padding:0; }

body{
  font-family:var(--body);
  background:var(--paper-dim);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
html{ overflow-x:hidden; }

a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; border:none; }

.brand{ display:flex; align-items:center; gap:10px; font-family:var(--display); font-size:20px; }
.brand .dot{ width:11px; height:11px; border-radius:50%; background:var(--volt); box-shadow:0 0 0 4px rgba(196,241,53,0.18); }

.btn-primary{
  background:var(--volt); color:var(--ink); padding:14px 24px; border-radius:999px;
  font-weight:800; font-size:14.5px; box-shadow:0 10px 24px rgba(196,241,53,0.25);
  display:inline-block; text-align:center; width:100%;
}
.btn-primary:disabled{ opacity:.55; cursor:not-allowed; box-shadow:none; }
.btn-ghost{
  background:transparent; color:var(--paper); padding:14px 24px; border-radius:999px;
  font-weight:700; font-size:14.5px; border:1.5px solid rgba(246,247,242,0.28);
}

/* ---------- layout: split screen (login / cadastro) ---------- */
.split-screen{ min-height:100vh; display:grid; grid-template-columns:1fr 1fr; }
.split-visual{
  background:var(--ink); color:var(--paper); padding:50px;
  display:flex; flex-direction:column; justify-content:space-between;
  position:relative; overflow:hidden;
}
.split-visual .quote{
  font-family:var(--display); font-size:clamp(24px,3vw,34px); line-height:1.15;
  text-transform:uppercase; max-width:420px;
}
.split-visual .quote span{ color:var(--volt); }
.split-visual .note{ font-size:12.5px; color:rgba(246,247,242,0.55); }
.split-form-side{ display:flex; align-items:center; justify-content:center; padding:40px; background:var(--paper); }

.form-box{ width:100%; max-width:440px; }
.form-box h1{ font-family:var(--display); font-size:26px; text-transform:uppercase; margin-bottom:8px; }
.form-box .sub{ font-size:13.5px; color:#6b7280; margin-bottom:26px; }

.field{ margin-bottom:16px; }
.field label{ font-size:12.5px; font-weight:700; display:block; margin-bottom:6px; }
.field input{
  width:100%; padding:13px 14px; border-radius:var(--r-sm); border:1.5px solid var(--line);
  font-family:inherit; font-size:14px; background:#fff;
}
.field input:focus{ outline:2px solid var(--ink); outline-offset:1px; }
.field-hint{ font-size:11.5px; color:#8b8f9b; margin-top:5px; }
.field-row-2{ display:grid; grid-template-columns:1fr 1fr; gap:12px; }

/* plan picker */
.plan-picker{ display:flex; flex-direction:column; gap:10px; margin-bottom:18px; }
.plan-option{ position:relative; }
.plan-option input{ position:absolute; opacity:0; inset:0; width:100%; height:100%; cursor:pointer; margin:0; }
.plan-option .card{
  border:1.5px solid var(--line); border-radius:var(--r-sm); padding:14px 16px;
  display:flex; justify-content:space-between; align-items:center; gap:10px;
  transition:.15s;
}
.plan-option input:checked + .card{ border-color:var(--ink); background:var(--ink); color:var(--paper); }
.plan-option input:focus-visible + .card{ outline:2px solid var(--ink); outline-offset:2px; }
.plan-option .p-name{ font-weight:800; font-size:14px; }
.plan-option .p-note{ font-size:12px; color:#8b8f9b; margin-top:2px; }
.plan-option input:checked + .card .p-note{ color:rgba(246,247,242,0.6); }
.plan-option .p-price{ font-family:var(--mono); font-weight:700; font-size:15px; white-space:nowrap; }

.checkbox-row{ display:flex; align-items:flex-start; gap:10px; margin-bottom:20px; }
.checkbox-row input{ margin-top:3px; }
.checkbox-row label{ font-size:12.5px; color:#5b6070; line-height:1.5; }
.checkbox-row a{ font-weight:700; color:var(--ink); text-decoration:underline; }

.form-foot{ text-align:center; margin-top:22px; font-size:13px; color:#6b7280; }
.form-foot strong{ color:var(--ink); }

.divider-or{
  display:flex; align-items:center; gap:12px; margin:22px 0;
  color:#9aa0ad; font-size:12px; font-family:var(--mono); text-transform:uppercase;
}
.divider-or::before, .divider-or::after{ content:""; flex:1; height:1px; background:var(--line); }

.bio-btn{
  width:100%; background:#fff; border:1.5px solid var(--ink); padding:13px; border-radius:999px;
  font-weight:800; font-size:14px; display:flex; align-items:center; justify-content:center; gap:10px;
}
.bio-btn .fingerprint{ width:20px; height:20px; border:2px solid var(--ink); border-radius:50% 50% 50% 4px; position:relative; }

/* alerts */
.alert{ border-radius:var(--r-sm); padding:14px 16px; font-size:13.5px; margin-bottom:20px; }
.alert-error{ background:var(--coral-dim); color:#a3282c; }
.alert-error ul{ margin:6px 0 0 18px; }
.alert-success{ background:var(--ok-dim); color:#1c8a53; }

/* success state */
.success-box{ text-align:center; max-width:420px; }
.success-icon{
  width:56px; height:56px; border-radius:50%; background:var(--ok-dim); color:#1c8a53;
  display:flex; align-items:center; justify-content:center; font-size:26px; margin:0 auto 20px;
}

@media (max-width:900px){
  .split-screen{ grid-template-columns:1fr; }
  .split-visual{ min-height:200px; padding:32px; }
  .field-row-2{ grid-template-columns:1fr; }
}