/* ===== Site Header ===== */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-xl);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-md);
}

.site-header-inner > :nth-child(2) { justify-self: center; }
.site-header-inner > :last-child   { justify-self: end; }

#userNameDisplay { display: none; }

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--ink);
  font-family: var(--font-cn);
  font-size: 1.15rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.site-logo-icon { font-size: 1.2rem; }

.errorbook-entry {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 4px 12px;
  color: var(--muted);
  font-size: 0.85rem;
  font-family: var(--font-cn);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.errorbook-entry:hover { color: var(--ink); }

.errorbook-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 17px;
  height: 17px;
  padding: 0 4px;
  border-radius: var(--radius-full);
  background: var(--danger);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1;
}

/* ===== Page Header ===== */
.page-header {
  background: var(--card);
  padding: var(--space-md) var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.back-btn {
  color: var(--muted);
  font-family: var(--font-cn);
  font-size: 0.88rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  text-decoration: none;
  background: none;
  border: none;
  padding: 0;
  transition: color var(--transition-fast);
}

.back-btn:hover { color: var(--ink); }

.progress-info { flex: 1; }

.progress-label {
  font-family: var(--font-cn);
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: var(--space-xs);
  display: flex;
  justify-content: space-between;
}

/* ===== Progress Bar ===== */
.progress-bar {
  width: 100%;
  height: 3px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 10px 24px;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-cn);
  cursor: pointer;
  outline: none;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast),
              border-color var(--transition-fast), opacity var(--transition-fast);
  letter-spacing: 0.02em;
}

.btn:active { transform: scale(0.99); }

.btn-primary {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

.btn-primary:hover {
  background: var(--navy-hover);
  border-color: var(--navy-hover);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: transparent;
}

.btn-ghost:hover { color: var(--ink); }

.btn-lg {
  padding: 13px 36px;
  font-size: 0.95rem;
}

.btn-sm {
  padding: 6px 16px;
  font-size: 0.8rem;
}

.btn[disabled], .btn-disabled {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}

/* ===== Cards ===== */
.card {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-ink);
  padding: var(--space-xl);
}

.card-hover {
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
  cursor: pointer;
}

.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-ink-lg);
}

/* ===== Badge ===== */
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-cn);
}

.badge-primary {
  background: var(--navy-pale);
  color: var(--navy);
}

.badge-muted {
  background: var(--paper-alt);
  color: var(--muted);
}

/* ===== Accent toggle ===== */
.accent-toggle {
  display: flex;
  background: var(--paper-alt);
  border-radius: var(--radius-full);
  padding: 2px;
  gap: 1px;
  flex-shrink: 0;
}

.accent-btn {
  border: none;
  background: transparent;
  padding: 4px 11px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-cn);
  line-height: 1;
}

.accent-btn.is-active {
  background: var(--card);
  color: var(--navy);
  font-weight: 700;
  box-shadow: var(--shadow-ink-sm);
}

.accent-btn:not(.is-active):hover { color: var(--ink); }

/* ===== Action row ===== */
.action-row {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
  flex-wrap: wrap;
}

/* ===== AI Story ===== */
.ai-story-section {
  margin: var(--space-xl) 0 var(--space-md);
  text-align: center;
}

.ai-story-btn {
  padding: 9px var(--space-xl);
  background: var(--card);
  color: var(--navy);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  font-family: var(--font-cn);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.ai-story-btn:hover {
  background: var(--navy-pale);
  border-color: var(--navy);
}

.ai-story-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.ai-story-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-ink);
  padding: var(--space-xl) var(--space-2xl);
  margin-top: var(--space-lg);
  text-align: left;
}

.ai-story-status {
  font-family: var(--font-cn);
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
  padding: var(--space-md) 0;
}

.ai-story-content {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 2;
  color: var(--ink);
  white-space: pre-wrap;
}

.ai-story-perfect {
  font-family: var(--font-cn);
  font-size: 0.88rem;
  color: var(--primary);
  font-weight: 600;
  padding: var(--space-md) 0;
}

/* ===== Shared pill action buttons (reading + dictation) ===== */
.fc-actions {
  display: flex;
  gap: var(--space-md);
}

.fc-btn-wrong,
.fc-btn-right,
.fc-btn-neutral {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  padding: 12px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-cn);
  cursor: pointer;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  touch-action: manipulation;
  text-decoration: none;
  box-sizing: border-box;
}

.fc-btn-wrong {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(224,82,82,0.35);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.fc-btn-wrong:hover  { background: var(--danger-pale); border-color: var(--danger); }
.fc-btn-wrong:active { transform: scale(0.99); }

.fc-btn-right {
  background: var(--navy);
  color: #fff;
  border: none;
  transition: background var(--transition-fast);
}
.fc-btn-right:hover  { background: var(--navy-hover); }
.fc-btn-right:active { transform: scale(0.99); }

.fc-btn-neutral {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--color-border);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.fc-btn-neutral:hover  { background: var(--paper); border-color: var(--muted); }
.fc-btn-neutral:active { transform: scale(0.99); }