* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0f0f14;
  --card: #1a1a24;
  --card-border: #2a2a3a;
  --text: #e0e0f0;
  --text-dim: #8888a0;
  --accent: #6c5ce7;
  --accent-glow: rgba(108, 92, 231, 0.3);
  --success: #00b894;
  --error: #e17055;
  --radius: 12px;
}

html { font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

#app { max-width: 720px; margin: 0 auto; padding: 1rem; min-height: 100vh; }

/* ─── Стартовый экран ─── */
.hero { text-align: center; padding: 3rem 1rem 2rem; }
.hero h1 { font-size: 1.8rem; margin-bottom: 0.5rem; }
.gradient { background: linear-gradient(135deg, #6c5ce7, #a29bfe, #00b894); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.subtitle { color: var(--text-dim); font-size: 1rem; }

.form-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 1rem 0;
}

.field { margin-bottom: 1rem; }
.field label { display: block; font-size: 0.85rem; color: var(--text-dim); margin-bottom: 0.3rem; }
.field-row { display: flex; gap: 1rem; }
.field-row .field { flex: 1; }

input, select {
  width: 100%;
  padding: 0.75rem;
  background: #252535;
  border: 1px solid #333350;
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}
input:focus, select:focus { border-color: var(--accent); }
input[type="number"] { width: 100%; }

.btn-primary {
  width: 100%;
  padding: 0.9rem;
  background: linear-gradient(135deg, var(--accent), #a29bfe);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 20px var(--accent-glow); }
.btn-primary:active { transform: scale(0.98); }

/* ─── Как это работает ─── */
.how-it-works {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem;
  margin: 1.25rem 0;
}
.how-step {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 0.9rem;
  text-align: center; font-size: 0.82rem; color: var(--text-dim);
  line-height: 1.5;
}
.how-step b { display: block; font-size: 1.3rem; margin-bottom: 0.35rem; }
.how-step span { display: block; font-size: 0.9rem; color: var(--text); font-weight: 600; margin-bottom: 0.25rem; }

/* ─── Версия ─── */
.version-tag {
  position: fixed; bottom: 6px; right: 8px;
  font-size: 0.65rem; color: #44445a; z-index: 9;
  font-family: monospace;
}

/* ─── Мои истории ─── */
.my-books-wrap { margin: 0.25rem 0 1rem; }
.my-books-title { font-size: 0.85rem; color: var(--text-dim); font-weight: 600; margin-bottom: 0.5rem; }
.my-books { display: flex; flex-direction: column; gap: 0.5rem; }
.my-book {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  width: 100%; text-align: left;
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 10px; padding: 0.7rem 0.9rem; cursor: pointer;
  color: var(--text); font-size: 0.92rem; transition: all 0.15s;
}
.my-book:hover { border-color: var(--accent); transform: translateX(3px); }
.my-book-title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.my-book-meta { flex-shrink: 0; font-size: 0.75rem; color: var(--text-dim); background: #252535; padding: 0.15rem 0.5rem; border-radius: 20px; }

/* ─── Согласия ─── */
.consent-box { margin-bottom: 1rem; }
.checkbox {
  display: flex; align-items: flex-start; gap: 0.5rem;
  font-size: 0.82rem; color: var(--text-dim);
  margin-bottom: 0.5rem; cursor: pointer; line-height: 1.4;
}
.checkbox input { width: 16px; height: 16px; margin-top: 2px; flex-shrink: 0; accent-color: var(--accent); }
.checkbox a { color: var(--accent); }
.center { text-align: center; margin-top: 0.75rem; }

/* ─── Читалка: шапка главы ─── */
.chapter-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.ai-badge {
  flex-shrink: 0; font-size: 0.7rem; color: var(--text-dim);
  border: 1px solid var(--card-border); border-radius: 20px;
  padding: 0.15rem 0.6rem; margin-top: 0.35rem; white-space: nowrap;
}
.chapter-footer { margin-top: 1.5rem; display: flex; align-items: center; gap: 0.75rem; }
.btn-report {
  background: transparent; color: var(--text-dim);
  border: 1px solid var(--card-border); border-radius: 8px;
  padding: 0.4rem 0.8rem; font-size: 0.78rem; cursor: pointer;
  transition: all 0.15s;
}
.btn-report:hover { color: var(--error); border-color: var(--error); }
.btn-report:disabled { opacity: 0.4; cursor: default; }
.report-ok { font-size: 0.82rem; color: var(--success); }

/* ─── Загрузка ─── */
.loading { text-align: center; padding: 4rem 1rem; }
.spinner {
  width: 40px; height: 40px;
  border: 4px solid var(--card-border);
  border-top: 4px solid var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1rem;
}
.spinner.small { width: 24px; height: 24px; border-width: 3px; }
@keyframes spin { to { transform: rotate(360deg); } }
.subtle { color: var(--text-dim); font-size: 0.85rem; }

/* ─── Читалка ─── */
.reader-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 0; margin-bottom: 1rem;
  border-bottom: 1px solid var(--card-border);
  font-size: 0.9rem;
}
#book-title { font-weight: 600; }
.reader-actions { display: flex; align-items: center; gap: 0.75rem; }
#chapter-counter { color: var(--text-dim); }
.btn-restart {
  background: transparent; color: var(--text-dim);
  border: 1px solid var(--card-border); border-radius: 50%;
  width: 30px; height: 30px; line-height: 1;
  font-size: 1.05rem; cursor: pointer; transition: all 0.15s;
}
.btn-restart:hover { color: var(--accent); border-color: var(--accent); transform: rotate(-20deg); }

#chapters-list { margin-bottom: 1rem; }
.chapter-entry {
  display: block; width: 100%; text-align: left;
  font-family: inherit; font-size: 0.85rem;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  color: var(--text-dim);
  opacity: 0.85;
  cursor: pointer;
  transition: all 0.15s;
}
.chapter-entry:hover { opacity: 1; border-color: var(--accent); transform: translateX(3px); }
.chapter-entry.active { opacity: 1; border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.chapter-entry strong { display: block; margin-bottom: 0.25rem; color: var(--text); }
.chapter-entry p { color: var(--text-dim); margin: 0; }

.chapter-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

#chapter-title { font-size: 1.3rem; margin-bottom: 1rem; color: var(--accent); }
.chapter-text {
  font-family: Georgia, 'PT Serif', 'Times New Roman', serif;
  font-size: 1.13rem;
  line-height: 2;
  white-space: pre-wrap;
  margin-bottom: 1.5rem;
  color: #d8d8ea;
}

.choices { margin-top: 1.5rem; border-top: 1px solid var(--card-border); padding-top: 1rem; }
.prompt { font-size: 0.9rem; color: var(--text-dim); margin-bottom: 0.75rem; }
#choices-buttons { display: flex; flex-direction: column; gap: 0.6rem; }
.choice-btn {
  padding: 0.85rem 1rem;
  background: #252535;
  border: 1px solid #333350;
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s;
}
.choice-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateX(4px);
}
.choice-btn:active { transform: scale(0.98); }

/* ─── Конец ─── */
.ending-card {
  text-align: center;
  padding: 3rem 1rem;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
}
.ending-card h2 { font-size: 1.5rem; margin-bottom: 1rem; }
.ending-card p { color: var(--text-dim); margin-bottom: 1.5rem; }

/* ─── Ошибки ─── */
.error {
  background: rgba(225, 112, 85, 0.15);
  border: 1px solid var(--error);
  border-radius: 8px;
  padding: 0.75rem;
  margin-top: 1rem;
  color: var(--error);
  font-size: 0.9rem;
}
.hidden { display: none !important; }

/* ─── Адаптив ─── */
@media (max-width: 480px) {
  #app { padding: 0.75rem; }
  .hero h1 { font-size: 1.4rem; }
  .hero { padding: 2rem 0.5rem 1.5rem; }
  .form-card { padding: 1rem; }
  .chapter-card { padding: 1rem; }
  .chapter-text { font-size: 1rem; }
  .how-it-works { grid-template-columns: 1fr; gap: 0.5rem; }
  .how-step { padding: 0.6rem 0.9rem; text-align: left; display: flex; align-items: center; gap: 0.6rem; }
  .how-step b { margin-bottom: 0; font-size: 1.1rem; }
  .how-step span { font-weight: 600; }
  .how-step span::after { content: ' — '; font-weight: 400; }
}