.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 99990;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at 10% 20%, rgba(232, 41, 42, 0.14), transparent 35%),
    radial-gradient(circle at 90% 80%, rgba(74, 158, 255, 0.12), transparent 30%),
    rgba(10, 11, 15, 0.95);
}

.auth-card {
  width: min(460px, 100%);
  background: var(--c-surface);
  border: 1px solid var(--c-border-hi);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  padding: 22px;
}

.auth-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  margin: 0 0 8px;
}

.auth-subtitle {
  color: var(--t-secondary);
  font-size: 0.88rem;
  margin: 0 0 16px;
}

.auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.auth-tab {
  flex: 1;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  background: var(--c-surface-2);
  color: var(--t-secondary);
  padding: 8px 10px;
  font-weight: 700;
  cursor: pointer;
}

.auth-tab.active {
  color: var(--t-primary);
  border-color: var(--c-accent);
  box-shadow: 0 0 0 1px rgba(232, 41, 42, 0.3) inset;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.auth-label {
  font-size: 0.76rem;
  color: var(--t-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 700;
}

.auth-input {
  background: var(--c-bg-2);
  color: var(--t-primary);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  outline: none;
}

.auth-input:focus {
  border-color: var(--c-accent);
}

.auth-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.auth-msg {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--t-secondary);
  min-height: 20px;
}

.auth-msg.error {
  color: #ff8f8f;
}

.auth-msg.success {
  color: #8fffbf;
}