/* Auth shell — inspirado en Squarespace Forma (split editorial) */

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--auth-aside-width) 1fr;
  background: var(--surface-page);
}

.auth-aside {
  background: var(--surface-inverse);
  color: var(--text-on-inverse);
  display: flex;
  align-items: center;
  padding: var(--space-12) var(--space-10);
  position: relative;
  overflow: hidden;
}

.auth-aside::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 100%, rgba(27,42,74,0.45) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 90% 10%, rgba(168,184,208,0.12) 0%, transparent 60%);
  pointer-events: none;
}

.auth-aside-inner {
  position: relative;
  max-width: 360px;
}

.auth-aside-eyebrow {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: rgba(247,246,243,0.55);
  margin: 0 0 var(--space-4);
}

.auth-aside-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: var(--weight-regular);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin: 0 0 var(--space-5);
  color: var(--text-on-inverse);
}

.auth-aside-body {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: rgba(247,246,243,0.72);
  margin: 0 0 var(--space-8);
}

.auth-aside-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.auth-aside-features li {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: rgba(247,246,243,0.85);
  padding-left: var(--space-5);
  position: relative;
}

.auth-aside-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-200);
}

.auth-form-col {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-6);
}

.auth-main {
  width: min(420px, 100%);
}

.auth-brand {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-regular);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  margin: 0 0 var(--space-2);
  color: var(--text-primary);
}

.auth-sub {
  color: var(--text-secondary);
  margin: 0 0 var(--space-6);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.auth-card {
  display: grid;
  gap: var(--space-4);
  margin-bottom: 0;
  box-shadow: var(--shadow-sm);
  border: 0.5px solid var(--border);
}

.auth-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-regular);
}

.auth-hint {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--text-xs);
  line-height: var(--leading-relaxed);
}

.auth-method-tabs {
  display: grid;
  grid-template-columns: repeat(var(--auth-tab-cols, 2), minmax(0, 1fr));
  gap: 0;
  border-bottom: 0.5px solid var(--border);
  margin: calc(var(--space-4) * -1) calc(var(--space-5) * -1) 0;
  padding: 0 var(--space-5);
}

.auth-method-tabs [role="tab"] {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  height: 44px;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border-bottom: 2px solid transparent;
  margin-bottom: -0.5px;
  transition: color var(--duration-fast), border-color var(--duration-fast);
}

.auth-method-tabs [role="tab"][aria-selected="true"] {
  color: var(--text-primary);
  border-bottom-color: var(--fill-primary);
}

.auth-method-tabs [role="tab"]:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.auth-panel-stage {
  display: grid;
  margin-top: var(--space-4);
}

.auth-panel-stage > .auth-panel {
  grid-area: 1 / 1;
  display: grid;
  gap: var(--space-4);
  align-content: start;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  z-index: 0;
}

.auth-panel-stage > .auth-panel.is-active {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}

.auth-socials {
  display: grid;
  gap: var(--space-2);
  max-height: 240px;
  overflow-y: auto;
}

a.auth-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  text-decoration: none;
  height: 44px;
  padding: 0 var(--space-4);
  border: 0.5px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface-2);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  transition: border-color var(--duration-fast), background var(--duration-fast);
}

a.auth-social:hover {
  border-color: var(--text-primary);
  background: var(--surface-0);
}

.social-icon { display: inline-flex; width: 20px; height: 20px; flex: 0 0 20px; }
.social-icon svg { width: 20px; height: 20px; display: block; }

.auth-err { color: var(--text-danger); font-size: var(--text-sm); margin: 0 0 var(--space-3); }
.auth-info { color: var(--text-success); font-size: var(--text-sm); margin: 0 0 var(--space-3); }
.auth-apps { margin: 0 0 var(--space-5); padding-left: 1.1rem; font-size: var(--text-sm); }
.auth-apps a { color: var(--text-accent); }
a.auth-link {
  color: var(--text-primary);
  font-size: var(--text-sm);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--border-strong);
}
a.auth-link:hover { text-decoration-color: var(--text-primary); }

/* Phone field — country dial + flag */
.phone-field {
  display: grid;
  gap: 6px;
  margin-bottom: var(--space-3);
}
.phone-field-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-2);
  align-items: stretch;
}
.phone-dial {
  position: relative;
}
.phone-dial-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 44px;
  padding: 0 10px 0 12px;
  border: 0.5px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface-2);
  color: var(--text-primary);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  white-space: nowrap;
}
.phone-dial-btn:hover {
  border-color: var(--text-muted);
}
.phone-dial-flag {
  font-size: 1.15rem;
  line-height: 1;
}
.phone-dial-code {
  font-variant-numeric: tabular-nums;
}
.phone-dial-chevron {
  font-size: 0.7rem;
  color: var(--text-muted);
}
.phone-dial-menu {
  position: absolute;
  z-index: 40;
  top: calc(100% + 4px);
  left: 0;
  min-width: 16rem;
  max-height: 16rem;
  overflow: auto;
  padding: 4px;
  background: var(--surface-1);
  border: 0.5px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.phone-dial-option {
  appearance: none;
  width: 100%;
  display: grid;
  grid-template-columns: 1.4rem 1fr auto;
  align-items: center;
  gap: 8px;
  border: 0;
  background: transparent;
  color: var(--text-primary);
  font: inherit;
  font-size: var(--text-sm);
  text-align: left;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.phone-dial-option:hover,
.phone-dial-option.is-selected {
  background: color-mix(in srgb, var(--fill-accent) 10%, transparent);
}
.phone-dial-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.phone-dial-code-muted {
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
.phone-national {
  height: 44px;
  min-width: 0;
}
.phone-field-hint,
.auth-hint.phone-field-hint {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* Identity picker buttons */
.auth-pick-list {
  display: grid;
  gap: var(--space-2);
}

.auth-pick-list .btn {
  width: 100%;
  height: 48px;
  justify-content: flex-start;
  padding-left: var(--space-5);
  font-size: var(--text-md);
}

@media (max-width: 860px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }
  .auth-aside {
    display: none;
  }
  .auth-form-col {
    min-height: 100vh;
  }
}