/* ============================================================
   3DR — Auth (login + recuperação): layout split atelier
   ============================================================ */

html, body { height: 100%; margin: 0; }
body { background: var(--bg-0); }

.login-split { display: flex; min-height: 100vh; }

/* ── PAINEL ESQUERDO (cover editorial, tinta) ── */
.login-panel-left {
  flex: 0 0 46%;
  position: relative;
  overflow: hidden;
  background: var(--fg-0);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--sp-12);
}

/* grade arquitetônica sutil */
.login-panel-left::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(243,241,234,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(243,241,234,0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  z-index: 0;
}

.panel-left-top, .panel-left-bottom { position: relative; z-index: 1; }

.panel-brand-name {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 600;
  color: var(--bg-0);
  letter-spacing: -0.01em;
  line-height: 1;
}
.panel-brand-sub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--fg-3);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-top: var(--sp-2);
}

.panel-tagline .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: #cd8a66;            /* terracota claro p/ contraste sobre o painel tinta (6.2:1) */
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: var(--sp-4);
}
.panel-tagline h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  font-weight: 500;
  color: var(--bg-0);
  line-height: 1.18;
  margin: 0 0 var(--sp-4);
}
.panel-tagline p {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--fg-3);            /* claro p/ contraste sobre o painel tinta (7.8:1) */
  line-height: 1.65;
  margin: 0;
  max-width: 36ch;
}

/* fio terracota vertical na borda */
.panel-accent {
  position: absolute;
  top: 0; right: 0;
  width: 2px; height: 100%;
  background: linear-gradient(to bottom, transparent, var(--accent) 45%, transparent);
  opacity: 0.7;
  z-index: 1;
}

/* ── PAINEL DIREITO (papel, formulário) ── */
.login-panel-right {
  flex: 1;
  background: var(--bg-0);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-8);
}

.login-form-box { width: 100%; max-width: 380px; }

.login-form-box h2 {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--fg-0);
  margin: 0 0 var(--sp-1);
}
.login-form-box .subtitle {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--fg-2);
  margin-bottom: var(--sp-8);
}

.login-tabs {
  display: flex; gap: 0;
  margin-bottom: var(--sp-6);
  border-bottom: 1px solid var(--border);
}
.login-tab {
  background: none; border: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--fg-2);
  cursor: pointer;
  padding: var(--sp-2) var(--sp-4) 10px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--t-fast), border-color var(--t-fast);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.login-tab:hover { color: var(--fg-0); }
.login-tab.active { color: var(--accent-hover); border-bottom-color: var(--accent); }

/* mobile */
@media (max-width: 720px) {
  .login-split { flex-direction: column; }
  .login-panel-left { flex: 0 0 auto; padding: var(--sp-8); }
  .panel-tagline { display: none; }
}