/* App shell */
.app-nav {
  padding: 20px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--cream-darker);
  background: var(--cream);
}
.app-logo {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 900;
  font-size: 20px;
  color: var(--brown);
  text-decoration: none;
}
.app-nav-links { display: flex; gap: 24px; }
.nav-link { font-size: 14px; font-weight: 500; color: var(--brown-mid); text-decoration: none; }
.nav-link:hover { color: var(--amber); }

/* Page containers */
.app-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px;
}
.page-header { margin-bottom: 40px; }
.page-title {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 900;
  font-size: 36px;
  color: var(--brown);
  margin-bottom: 8px;
}
.page-subtitle { font-size: 16px; color: var(--brown-mid); }

/* Campaign cards */
.campaign-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.campaign-card {
  background: var(--white);
  border: 1px solid var(--cream-darker);
  border-radius: 16px;
  padding: 28px;
  cursor: pointer;
  transition: box-shadow 0.2s;
  text-decoration: none;
  display: block;
  color: inherit;
}
.campaign-card:hover { box-shadow: 0 4px 20px rgba(61,35,20,0.08); }
.campaign-card-name {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--brown);
  margin-bottom: 8px;
}
.campaign-card-meta { font-size: 13px; color: var(--brown-mid); margin-bottom: 4px; }
.campaign-card-themes { font-size: 13px; color: var(--amber); font-weight: 500; }

/* New campaign form */
.new-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brown);
  color: var(--cream);
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
}
.new-btn:hover { background: var(--charcoal); }

/* Forms */
.form-section { margin-bottom: 32px; }
.form-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 8px;
  display: block;
}
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--cream-darker);
  border-radius: 10px;
  font-size: 15px;
  font-family: 'DM Sans', sans-serif;
  background: var(--white);
  color: var(--brown);
  margin-bottom: 16px;
}
.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(192,122,44,0.12);
}
.form-textarea { resize: vertical; min-height: 80px; }
.form-hint { font-size: 12px; color: var(--brown-mid); margin-top: -12px; margin-bottom: 16px; }
.tag-input-group { display: flex; gap: 8px; margin-bottom: 8px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.tag-chip {
  background: var(--amber);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}
.char-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}
.char-row input { padding: 8px 12px; border: 1px solid var(--cream-darker); border-radius: 8px; font-size: 14px; }

/* Scenario display */
.scenario-header { margin-bottom: 32px; }
.scenario-title {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 900;
  font-size: 32px;
  color: var(--brown);
  margin-bottom: 8px;
}
.scenario-meta { font-size: 13px; color: var(--amber); font-weight: 500; }
.scenario-setting { font-size: 16px; color: var(--brown-mid); line-height: 1.7; margin-bottom: 32px; padding: 20px; background: var(--cream-dark); border-radius: 12px; }

.section-block { margin-bottom: 32px; }
.section-block-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--cream-darker);
}
.npc-card, .hook-card, .thread-card {
  background: var(--white);
  border: 1px solid var(--cream-darker);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 12px;
}
.npc-name {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--brown);
  margin-bottom: 4px;
}
.npc-role { font-size: 12px; color: var(--amber); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
.npc-desc { font-size: 14px; color: var(--brown-mid); line-height: 1.6; }
.hook-title { font-family: 'Fraunces', Georgia, serif; font-weight: 700; font-size: 16px; color: var(--brown); margin-bottom: 8px; }
.hook-desc { font-size: 14px; color: var(--brown-mid); line-height: 1.6; }
.thread-title { font-family: 'Fraunces', Georgia, serif; font-weight: 700; font-size: 16px; color: var(--brown); margin-bottom: 8px; }
.thread-desc { font-size: 14px; color: var(--brown-mid); line-height: 1.6; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
}
.btn-primary { background: var(--amber); color: var(--white); }
.btn-primary:hover { background: var(--amber-dark); }
.btn-secondary { background: var(--cream-dark); color: var(--brown); border: 1px solid var(--cream-darker); }
.btn-secondary:hover { background: var(--cream-darker); }
.btn-generate {
  background: var(--brown);
  color: var(--cream);
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  margin: 24px 0;
}
.btn-generate:hover { background: var(--charcoal); }
.btn-generate:disabled { opacity: 0.5; cursor: not-allowed; }

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Back link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--brown-mid);
  text-decoration: none;
  margin-bottom: 24px;
}
.back-link:hover { color: var(--amber); }

/* Session log */
.session-log { margin-top: 48px; }
.session-row {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--cream-darker);
}
.session-num {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 900;
  font-size: 28px;
  color: var(--cream-darker);
  min-width: 48px;
}
.session-info { flex: 1; }
.session-date { font-size: 14px; font-weight: 600; color: var(--brown); margin-bottom: 4px; }
.session-summary { font-size: 14px; color: var(--brown-mid); }
.session-scenario { font-size: 12px; color: var(--amber); font-weight: 500; margin-top: 4px; }

/* Error/empty states */
.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--brown-mid);
}
.empty-state-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state-title { font-family: 'Fraunces', Georgia, serif; font-weight: 700; font-size: 20px; color: var(--brown); margin-bottom: 8px; }

/* Responsive */
@media (max-width: 768px) {
  .app-nav { padding: 16px 24px; }
  .app-page { padding: 24px; }
  .char-row { grid-template-columns: 1fr; }
  .campaign-grid { grid-template-columns: 1fr; }
}