/* =====================================================================
   ALT F4 — Páginas de autenticação (login, cadastro, recuperação)
   Reaproveita os tokens de design de landing.css
   ===================================================================== */

.auth-shell{
  min-height: 100vh;
  display:flex; align-items:center; justify-content:center;
  padding: 32px 20px;
  background:
    radial-gradient(circle at 15% 10%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 40%),
    var(--bg);
}

.auth-card{
  width: 100%; max-width: 400px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
}

.auth-brand{
  display:flex; align-items:center; justify-content:center; gap:8px;
  margin-bottom: 28px;
}
.auth-brand .key{
  font-family: var(--font-display); font-size: 12px;
  border:1px solid var(--border-strong); background: var(--surface-2);
  color: var(--accent-text); padding: 4px 8px; border-radius: var(--radius-sm);
}

.auth-title{
  font-size: 22px; text-align:center; color: var(--text-primary);
  margin-bottom: 6px;
}
.auth-subtitle{
  font-size: 14px; text-align:center; color: var(--text-secondary);
  margin-bottom: 28px;
}

.field-group{ margin-bottom: 18px; }
.field-label{
  display:block; font-size: 13px; font-family: var(--font-display);
  color: var(--text-secondary); margin-bottom: 8px;
}
.field-input-wrap{ position: relative; }
.field-input{
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 14px;
  color: var(--text-primary);
  font-family: var(--font-body);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field-input::placeholder{ color: var(--text-muted); }
.field-input:focus{
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.field-input.is-invalid{ border-color: #E24B4A; }

.field-toggle-pass{
  position:absolute; right: 10px; top: 50%; transform: translateY(-50%);
  background:none; border:none; cursor:pointer;
  font-family: var(--font-display); font-size: 11px; color: var(--text-muted);
  padding: 4px 6px;
}
.field-toggle-pass:hover{ color: var(--text-primary); }

.field-error{
  font-size: 12px; color: #F09595; margin-top: 6px; min-height: 16px;
}

.field-row-between{
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom: 22px; font-size: 13px;
}
.remember-check{ display:flex; align-items:center; gap:8px; color: var(--text-secondary); }
.remember-check input{ accent-color: var(--accent); }
.link-forgot{ color: var(--accent-text); }
.link-forgot:hover{ text-decoration: underline; }

.auth-submit{
  width: 100%;
  font-family: var(--font-display); font-weight:600; font-size: 14px;
  background: var(--accent); color:#05262C;
  padding: 13px; border-radius: var(--radius-sm); border:none;
  cursor:pointer;
  display:flex; align-items:center; justify-content:center; gap:8px;
  transition: opacity .15s ease;
}
.auth-submit:hover{ opacity:.92; }
.auth-submit:disabled{ opacity:.55; cursor:not-allowed; }

.auth-alert{
  display:none;
  font-size: 13px; padding: 11px 14px; border-radius: var(--radius-sm);
  margin-bottom: 18px;
  border: 1px solid color-mix(in srgb, #E24B4A 40%, transparent);
  background: rgba(226,75,74,.08);
  color: #F09595;
}
.auth-alert.show{ display:block; }
.auth-alert.success{
  border: 1px solid color-mix(in srgb, var(--success) 40%, transparent);
  background: color-mix(in srgb, var(--success) 12%, transparent);
  color: var(--success);
}

.auth-footer-link{
  text-align:center; font-size: 13px; color: var(--text-secondary);
  margin-top: 24px;
}
.auth-footer-link a{ color: var(--accent-text); }
.auth-footer-link a:hover{ text-decoration: underline; }

.spinner{
  width: 14px; height:14px; border-radius:50%;
  border: 2px solid rgba(5,38,44,.35); border-top-color:#05262C;
  animation: spin .6s linear infinite;
  display:none;
}
.auth-submit.loading .spinner{ display:inline-block; }
.auth-submit.loading .btn-text{ opacity:.7; }
@keyframes spin{ to{ transform: rotate(360deg); } }

/* =====================================================================
   Módulo 03 — Cadastro (extensões do card de auth)
   ===================================================================== */
.auth-card-wide{ max-width: 480px; }

.field-row-2{
  display:grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
@media (max-width: 480px){
  .field-row-2{ grid-template-columns: 1fr; }
}

.field-label .opt{ color: var(--text-muted); font-weight:400; }

/* seletor de plano — dois "keycaps" pequenos, F1 / F2 */
.plan-switch{
  display:grid; grid-template-columns: 1fr 1fr; gap: 12px;
  margin-bottom: 24px;
}
.plan-option{
  display:flex; align-items:center; gap:10px;
  background: var(--surface-2); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); padding: 10px 12px;
  cursor: pointer; text-align:left;
  transition: border-color .15s ease, background .15s ease;
}
.plan-option:hover{ border-color: var(--accent); }
.plan-option.active{
  border-color: var(--accent);
  background: var(--accent-dim);
}
.plan-key{
  font-family: var(--font-display); font-size: 11px; font-weight:700;
  color: var(--accent-text); border:1px solid var(--border-strong);
  background: var(--surface-1); padding: 3px 7px; border-radius: var(--radius-sm);
  flex-shrink:0;
}
.plan-info{ display:flex; flex-direction:column; font-size: 12px; }
.plan-info strong{ color: var(--text-primary); font-size: 13px; }
.plan-info span{ color: var(--text-secondary); }

/* indicador de força de senha */
.pass-strength{
  height: 4px; border-radius: 2px; background: var(--border);
  margin-top: 8px; overflow:hidden;
}
.pass-strength span{
  display:block; height:100%; width: 0%;
  background: #E24B4A; transition: width .2s ease, background .2s ease;
}
.pass-strength.weak span{ width: 33%; background:#E24B4A; }
.pass-strength.medium span{ width: 66%; background:#EF9F27; }
.pass-strength.strong span{ width: 100%; background:#9FE1CB; }

/* checkbox de termos (LGPD) */
.terms-check{
  display:flex; align-items:flex-start; gap:10px;
  font-size: 12.5px; color: var(--text-secondary);
  margin-bottom: 6px; cursor:pointer; line-height:1.5;
}
.terms-check input{ accent-color: var(--accent); margin-top: 3px; flex-shrink:0; }
.terms-check a{ color: var(--accent-text); }
.terms-check a:hover{ text-decoration: underline; }