/* ==========================================================================
   Oxton Education — Login & Cadastro (SaaS premium, tela dividida)
   ========================================================================== */
:root{
  --ox-blue:#3032D9;
  --ox-blue-dark:#2426b8;
  --ox-ink:#0F172A;
  --ox-text:#475569;
  --ox-bg:#F8FAFC;
  --ox-border:#E2E8F0;
  --ox-border-strong:#CBD5E1;
  --ox-error:#DC2626;
  --ox-success:#16A34A;
  --ox-white:#FFFFFF;
}

*,*::before,*::after{box-sizing:border-box}
.auth-page{
  margin:0;min-height:100vh;
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  color:var(--ox-ink);background:var(--ox-white);
  -webkit-font-smoothing:antialiased;
}
.auth-page a{color:var(--ox-blue);text-decoration:none}
.auth-page a:hover{text-decoration:underline}

/* ===== Wrapper duas colunas ===== */
.auth-wrapper{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  min-height:100vh;
}

/* ===== Coluna do formulário ===== */
.auth-panel{
  display:flex;flex-direction:column;
  padding:24px clamp(24px,4.5vw,64px);
  overflow-y:auto;max-height:100vh;
}
.auth-panel-top{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-bottom:clamp(14px,3vh,30px);
}
.auth-brand{display:inline-flex;align-items:center;gap:10px}
.auth-brand img{display:block;max-height:34px;width:auto}
.auth-brand-text{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--ox-ink)}
.auth-brand-text span{color:var(--ox-blue)}

.auth-help{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border:1px solid var(--ox-border);border-radius:10px;
  font-size:13.5px;font-weight:600;color:var(--ox-text);background:var(--ox-white);
}
.auth-help:hover{background:var(--ox-bg);text-decoration:none;color:var(--ox-ink)}
.auth-help svg{width:15px;height:15px}

/* ===== Conteúdo central ===== */
.auth-body{flex:1;display:flex;flex-direction:column;justify-content:center;width:100%}
.auth-form-wrap{width:100%;max-width:620px;margin:0 auto}

.auth-title{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.025em;margin:0 0 6px;color:var(--ox-ink)}
.auth-subtitle{font-size:14.5px;line-height:1.55;color:var(--ox-text);margin:0 0 20px}

/* ===== Botões sociais ===== */
.auth-social-row{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.auth-social-btn{
  display:flex;align-items:center;justify-content:center;gap:10px;
  height:48px;border:1px solid var(--ox-border);border-radius:12px;
  background:var(--ox-white);color:var(--ox-ink);font-size:14.5px;font-weight:600;
  cursor:pointer;font-family:inherit;width:100%;transition:background .15s,border-color .15s;
}
.auth-social-btn:hover{background:var(--ox-bg);text-decoration:none}
.auth-social-btn:disabled,.auth-social-btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed}
.auth-social-btn svg,.auth-social-btn img{width:20px;height:20px;flex:0 0 auto}
.auth-social-btn .soon{font-size:11px;font-weight:700;color:#94a3b8;margin-left:4px}

/* ===== Divisor ===== */
.auth-divider{display:flex;align-items:center;gap:14px;margin:2px 0 16px;color:#94a3b8;font-size:13px}
.auth-divider::before,.auth-divider::after{content:"";height:1px;background:var(--ox-border);flex:1}

/* ===== Form ===== */
.auth-form{display:flex;flex-direction:column;gap:14px}
.form-group{display:flex;flex-direction:column;gap:7px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:520px){.form-row{grid-template-columns:1fr}}
.form-label{font-size:13.5px;font-weight:600;color:var(--ox-ink)}
.form-control{
  height:52px;width:100%;padding:0 16px;
  border:1px solid var(--ox-border-strong);border-radius:12px;background:var(--ox-white);
  font-family:inherit;font-size:15px;color:var(--ox-ink);transition:border-color .15s,box-shadow .15s;
}
.form-control::placeholder{color:#94a3b8}
.form-control:focus{outline:none;border-color:var(--ox-blue);box-shadow:0 0 0 3px rgba(48,50,217,.14)}
.form-group.is-invalid .form-control,.form-control.is-invalid{border-color:var(--ox-error)}
.form-group.is-invalid .form-control:focus{box-shadow:0 0 0 3px rgba(220,38,38,.14)}
.form-group.is-valid .form-control{border-color:var(--ox-success)}
.form-error{font-size:12.5px;color:var(--ox-error);min-height:0;display:none}
.form-group.is-invalid .form-error{display:block}
.form-hint{font-size:12.5px;color:var(--ox-text);line-height:1.5}

/* campo de senha com olho */
.password-field{position:relative}
.password-field .form-control{padding-right:48px}
.password-toggle{
  position:absolute;top:50%;right:10px;transform:translateY(-50%);
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  border:0;background:transparent;color:#64748b;cursor:pointer;border-radius:8px;
}
.password-toggle:hover{background:var(--ox-bg);color:var(--ox-ink)}
.password-toggle svg{width:19px;height:19px}

/* link esqueci senha + linha */
.auth-row-between{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.auth-inline-link{font-size:13.5px;font-weight:600}

/* ===== Segmented (intenção) ===== */
.auth-segment-label{font-size:14px;font-weight:700;color:var(--ox-ink);margin:4px 0 2px}
.auth-segment{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.auth-segment input{position:absolute;opacity:0;width:0;height:0}
.auth-seg-opt{
  display:flex;flex-direction:column;gap:3px;cursor:pointer;
  border:1.5px solid var(--ox-border-strong);border-radius:12px;padding:14px 16px;background:var(--ox-white);
  transition:border-color .15s,background .15s;
}
.auth-seg-opt .t{font-size:14.5px;font-weight:700;color:var(--ox-ink)}
.auth-seg-opt .d{font-size:12px;color:var(--ox-text)}
.auth-segment input:checked + .auth-seg-opt{border-color:var(--ox-blue);background:rgba(48,50,217,.05);box-shadow:0 0 0 3px rgba(48,50,217,.1)}
.auth-segment input:focus-visible + .auth-seg-opt{border-color:var(--ox-blue)}

/* ===== Checkbox termos ===== */
.auth-check{display:flex;align-items:flex-start;gap:11px;font-size:13.5px;color:var(--ox-text);line-height:1.5;cursor:pointer}
.auth-check input{margin-top:2px;width:18px;height:18px;accent-color:var(--ox-blue);flex:0 0 auto}
.auth-check.is-invalid{color:var(--ox-error)}

/* ===== Botão principal ===== */
.auth-primary-btn{
  height:52px;width:100%;border:0;border-radius:12px;
  background:var(--ox-blue);color:#fff;font-family:inherit;font-size:15.5px;font-weight:700;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:8px;transition:background .15s;
}
.auth-primary-btn:hover{background:var(--ox-blue-dark)}
.auth-primary-btn:disabled{opacity:.7;cursor:wait}

.auth-switch{text-align:center;font-size:14px;color:var(--ox-text);margin:14px 0 0}
.auth-switch a{font-weight:700}

/* ===== Rodapé de links ===== */
.auth-footer-links{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:center;margin-top:18px;padding-top:14px;border-top:1px solid var(--ox-border)}
.auth-footer-links a{font-size:12.5px;color:#64748b;font-weight:500}
.auth-footer-links a:hover{color:var(--ox-blue)}

/* ===== Coluna visual (direita) ===== */
.auth-visual{position:relative;overflow:hidden;background:linear-gradient(150deg,#0F172A 0%,#1e1f6b 55%,#3032D9 100%)}
/* Textura padrão (quando não há foto cadastrada) */
.auth-visual::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:
    radial-gradient(circle at 18% 22%, rgba(86,99,255,.55), transparent 42%),
    radial-gradient(circle at 82% 12%, rgba(48,50,217,.45), transparent 40%),
    radial-gradient(circle at 70% 88%, rgba(99,102,241,.4), transparent 45%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='2' cy='2' r='1.5'/%3E%3C/g%3E%3C/svg%3E");
  background-size:cover,cover,cover,40px 40px;
}
.auth-visual-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:1}
/* Sobreposição da cor primária Oxton */
.auth-visual-overlay{position:absolute;inset:0;z-index:1;
  background:linear-gradient(155deg, rgba(48,50,217,.74) 0%, rgba(36,38,184,.80) 52%, rgba(15,23,42,.88) 100%);
  mix-blend-mode:normal;
}
.auth-visual-content{position:absolute;left:0;right:0;bottom:0;padding:clamp(32px,5vw,64px);color:#fff;z-index:2}
.auth-visual-eyebrow{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:6px 14px;font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:18px}
.auth-visual-content h2{font-size:clamp(24px,2.4vw,32px);font-weight:800;letter-spacing:-.02em;line-height:1.2;margin:0 0 12px}
.auth-visual-content p{font-size:15.5px;line-height:1.65;color:#dbe1ff;max-width:520px;margin:0}
.auth-visual-quote{margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.18);font-size:14px;color:#c7cbe0}
.auth-visual-quote strong{display:block;color:#fff;font-weight:700;margin-bottom:2px}

/* ===== Toast ===== */
.auth-toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:80;
  background:var(--ox-ink);color:#fff;padding:13px 20px;border-radius:12px;font-size:14px;font-weight:500;
  box-shadow:0 12px 32px -10px rgba(15,23,42,.5);max-width:90vw}
.auth-toast.is-error{background:var(--ox-error)}
.auth-toast.is-success{background:var(--ox-success)}

/* ===== Responsivo ===== */
@media(max-width:1024px){
  .auth-wrapper{grid-template-columns:1fr}
  .auth-visual{display:none}
  .auth-visual.auth-visual--banner{display:block;position:relative;min-height:180px;max-height:180px}
  .auth-visual--banner .auth-visual-content{position:absolute}
  .auth-visual--banner .auth-visual-content h2{font-size:20px}
  .auth-visual--banner .auth-visual-content p,.auth-visual--banner .auth-visual-quote{display:none}
}
@media(max-width:768px){
  .auth-panel{padding:24px}
  .auth-panel-top{margin-bottom:24px}
  .auth-subtitle{margin-bottom:22px}
}
@media(max-width:480px){
  .auth-segment{grid-template-columns:1fr}
}