/* Auth Layout — login, register, onboarding */
.auth-shell {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--color-surface-alt);
}

.auth-header {
  padding: var(--space-5) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.auth-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}
.auth-logo-text {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.auth-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6) var(--space-4);
}
.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-8) var(--space-6);
  border: 1px solid var(--color-border);
}
.auth-card-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.auth-card-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.auth-footer {
  text-align: center;
  margin-top: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.auth-footer a { color: var(--color-primary); font-weight: 600; }

/* Progress bar for onboarding */
.onboarding-progress {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.onboarding-step {
  flex: 1;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  transition: background var(--transition-base);
}
.onboarding-step.done    { background: var(--color-primary); }
.onboarding-step.current { background: var(--color-primary-light); }

/* Chip selector (for group type, currency) */
.chip-selector {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.chip-option {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-surface);
  color: var(--color-text);
}
.chip-option:hover  { border-color: var(--color-primary); color: var(--color-primary); }
.chip-option.selected {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* Password strength */
.password-strength {
  display: flex;
  gap: 4px;
  margin-top: var(--space-2);
}
.strength-bar {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: var(--color-border);
  transition: background var(--transition-base);
}
.strength-bar.level-1 { background: var(--color-danger); }
.strength-bar.level-2 { background: var(--color-warning); }
.strength-bar.level-3 { background: var(--color-info); }
.strength-bar.level-4 { background: var(--color-success); }

/* Username check */
.username-status {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
}
.username-status.checking { color: var(--color-text-muted); }
.username-status.available { color: var(--color-success); }
.username-status.taken { color: var(--color-danger); }

/* Quest template chips */
.quest-template-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}
.quest-template {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  background: var(--color-surface);
}
.quest-template:hover  { border-color: var(--color-primary); background: var(--color-primary-light); }
.quest-template.selected { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }