/* Perfil */
.auth-section {
  padding: 4rem 0 5rem;
}

.auth-intro {
  max-width: 760px;
  margin: 0 auto 2rem;
  text-align: center;
}

.auth-kicker {
  margin: 0 0 0.4rem;
  color: var(--color-accent-primary);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

.auth-intro h1 {
  margin: 0;
  font-size: clamp(2rem, 3.7vw, 3rem);
  line-height: 1.1;
}

.auth-intro p {
  margin: 0.9rem auto 0;
  max-width: 680px;
  color: var(--color-text-secondary);
}

.auth-tabs {
  display: flex;
  gap: 0;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  border-radius: 999px;
  padding: 0.3rem;
}

.auth-tabs button {
  flex: 1;
  padding: 0.9rem 1rem;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  border-bottom: none;
  border-radius: 999px;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.auth-tabs button.active {
  color: white;
  background: linear-gradient(130deg, #7d6cff, #3f6ef4);
}

.auth-panel {
  display: none;
  max-width: 640px;
  margin: 0 auto;
}

.auth-panel.active {
  display: block;
}

.auth-form {
  width: 100%;
  display: grid;
  gap: 1rem;
  padding: 1.6rem;
  background: linear-gradient(160deg, rgba(22, 22, 34, 0.96), rgba(14, 14, 24, 0.94));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 22px 45px rgba(6, 6, 15, 0.35);
}

.form-header h2 {
  margin: 0;
  font-size: 1.25rem;
}

.form-header p {
  margin: 0.4rem 0 0;
  color: var(--color-text-secondary);
  font-size: 0.93rem;
}

.auth-field {
  display: grid;
  gap: 0.45rem;
}

.auth-field > span {
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
}

.auth-form input:not([type="checkbox"]):not([type="radio"]),
.auth-form select {
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--color-text-primary);
  font-family: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.auth-form input:not([type="checkbox"]):not([type="radio"])::placeholder {
  color: rgba(180, 186, 210, 0.78);
}

.auth-form input:not([type="checkbox"]):not([type="radio"]):focus,
.auth-form select:focus {
  outline: none;
  border-color: #9b8eff;
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.18);
  background: rgba(108, 99, 255, 0.08);
}

.auth-form .checkbox-label input[type="checkbox"] {
  width: auto;
  height: auto;
  margin-top: 0.2rem;
  flex: 0 0 auto;
}

.password-wrap {
  position: relative;
}

.password-wrap button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 600;
}

.auth-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.auth-link {
  font-size: 0.83rem;
  color: var(--color-accent-tertiary);
}

.auth-divider {
  display: flex;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid var(--color-border);
}

.auth-divider span {
  padding: 0 0.6rem;
}

.oauth-btn {
  width: 100%;
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--color-text-primary);
  font-family: inherit;
  cursor: pointer;
  transition: border-color var(--transition-fast), transform var(--transition-fast), background var(--transition-fast);
}

.oauth-btn:hover {
  border-color: #8f81ff;
  transform: translateY(-1px);
  background: rgba(108, 99, 255, 0.12);
}

.form-row {
  display: grid;
  gap: 0.9rem;
}

@media (min-width: 720px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .auth-form {
    padding: 1.2rem;
  }

  .auth-tabs {
    border-radius: var(--radius-md);
  }

  .auth-tabs button {
    border-radius: calc(var(--radius-md) - 2px);
  }
}

.profile-demo {
  margin-top: 4rem;
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .profile-demo {
    grid-template-columns: 280px 1fr;
    align-items: start;
  }
}

.profile-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.profile-card img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 1rem;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.badge {
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  border-radius: 50px;
  background: rgba(108, 99, 255, 0.2);
  color: var(--color-accent-primary);
}

.timeline {
  --timeline-axis: 0.65rem;
  position: relative;
  padding-left: 2.2rem;
  margin-top: 1rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: var(--timeline-axis);
  right: auto;
  top: 0.35rem;
  bottom: 0.35rem;
  width: 2px;
  background: linear-gradient(180deg, rgba(108, 99, 255, 0.65), rgba(108, 99, 255, 0.2));
}

.timeline-item {
  position: relative;
  margin-bottom: 1rem;
  padding-left: 0.4rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(var(--timeline-axis) - 2.2rem - 6px);
  right: auto;
  top: 0.28rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-accent-primary);
  box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.13);
}