/* ===== Auth page (login / register) ===== */
.auth-page .auth-main {
  padding: 60px 24px 80px;
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  padding: 0;
  border-radius: var(--radius);
  overflow: hidden;
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--glass-border);
}

.auth-tab {
  flex: 1;
  padding: 16px 20px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}

.auth-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.auth-tab.active {
  color: var(--accent);
  background: transparent;
  box-shadow: inset 0 -2px 0 var(--accent);
}

.auth-panel {
  padding: 32px 36px 40px;
}

.auth-panel.hidden {
  display: none;
}

.auth-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Unbounded', sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  margin-bottom: 8px;
}

.auth-title i {
  color: var(--accent);
}

.auth-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.auth-input {
  width: 100%;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), background var(--transition);
}

.auth-input::placeholder {
  color: var(--text-muted);
}

.auth-input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.08);
}

.auth-submit {
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}

.auth-error {
  font-size: 0.9rem;
  color: var(--warning);
  margin-top: -8px;
}

.auth-error.hidden {
  display: none;
}

.auth-success {
  font-size: 0.9rem;
  margin-top: -8px;
}

.auth-success.hidden {
  display: none;
}

/* Notice: friends-only / registration unavailable */
.auth-notice {
  padding: 24px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  text-align: center;
}

.auth-notice-friends {
  background: var(--warning-soft);
  border: 1px solid rgba(251, 191, 36, 0.25);
}

.auth-notice-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(251, 191, 36, 0.2);
  border-radius: 50%;
}

.auth-notice-icon i {
  font-size: 1.4rem;
  color: var(--warning);
}

.auth-notice-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.auth-notice-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.auth-switch-link {
  width: 100%;
  justify-content: center;
}

@media (max-width: 480px) {
  .auth-card {
    margin: 0 8px;
  }

  .auth-panel {
    padding: 24px 20px 32px;
  }

  .auth-tab {
    padding: 14px 12px;
    font-size: 0.95rem;
  }
}