:root {
  --bg: #170f13; --panel: #241820; --panel2: #2d1e28; --text: #f1e8ec; --muted: #b39aa6;
  --accent: #a13d5c; --accent2: #d46b8a; --ok: #2ecc71; --warn: #e6a23c; --err: #e74c3c; --line: #3d2a35;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }

header { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.5rem; padding: .7rem 1rem; background: var(--panel); border-bottom: 2px solid var(--accent); position: sticky; top: 0; z-index: 20; }
.brand { font-size: 1.15rem; }
nav { display: flex; gap: .25rem; flex-wrap: wrap; }
nav button { background: none; border: 0; color: var(--muted); padding: .5rem .8rem; border-radius: 8px; cursor: pointer; font-size: .95rem; }
nav button.active, nav button:hover { background: var(--panel2); color: var(--text); }

main { max-width: 1200px; margin: 0 auto; padding: 1rem; }
.tab { display: none; }
.tab.active { display: block; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 1rem; margin-bottom: 1rem; }
.card h3 { margin: 0 0 .8rem; color: var(--accent2); font-size: 1rem; }
.hint { color: var(--muted); font-size: .85rem; }
.banner { padding: .6rem 1rem; border-radius: 10px; margin-bottom: 1rem; background: var(--panel2); border: 1px solid var(--line); font-size: .9rem; }
.banner.sim { border-color: var(--accent); }
.banner.setup { border-color: var(--warn); color: var(--warn); }
.banner.honesty { border-color: var(--warn); background: #2d2413; color: #f0d9a8; font-size: .85rem; line-height: 1.4; }

.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: .7rem; margin-bottom: 1rem; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: .8rem; text-align: center; }
.stat .num { font-size: 1.6rem; font-weight: 700; color: var(--accent2); }
.stat .lbl { color: var(--muted); font-size: .78rem; margin-top: .2rem; }

.actions { display: flex; flex-wrap: wrap; gap: .5rem; margin: .5rem 0; }
.actions.sticky { position: sticky; top: 3.4rem; background: var(--bg); padding: .5rem 0; z-index: 10; }
.btn { background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 9px; padding: .55rem .9rem; cursor: pointer; font-size: .9rem; }
.btn:hover { filter: brightness(1.2); }
.btn.primary { background: var(--accent); color: #fff; border: 0; font-weight: 600; }
.btn.warn { background: #7a5a1f; }
.btn.danger { background: #6e2420; }
.btn.ghost { background: none; color: var(--muted); }
.btn.sm { padding: .3rem .6rem; font-size: .8rem; }
.btn:disabled { opacity: .5; cursor: default; }

.pill { font-size: .72rem; padding: .15rem .55rem; border-radius: 99px; background: var(--panel2); color: var(--muted); border: 1px solid var(--line); white-space: nowrap; }
.pill.type { color: var(--accent2); }
.pill.st-listo, .pill.st-generado { color: var(--ok); border-color: var(--ok); }
.pill.st-generando, .pill.st-editado { color: var(--warn); border-color: var(--warn); }
.pill.st-borrador, .pill.st-pendiente { color: var(--muted); }
.badge { background: var(--err); color: #fff; border-radius: 99px; padding: 0 .45rem; font-size: .72rem; }
.hidden { display: none; }

label { display: flex; flex-direction: column; gap: .25rem; font-size: .85rem; color: var(--muted); margin-bottom: .7rem; }
input, select, textarea { background: var(--bg); border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: .5rem .6rem; font-size: .9rem; width: 100%; font-family: inherit; }
textarea { resize: vertical; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }

.logs { font-family: ui-monospace, monospace; font-size: .75rem; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: .7rem; max-height: 45vh; overflow: auto; }
.logs .error { color: var(--err); }
.logs .warn { color: var(--warn); }

#toast { position: fixed; bottom: 1rem; left: 50%; transform: translateX(-50%); background: var(--panel2); border: 1px solid var(--accent); color: var(--text); padding: .7rem 1.2rem; border-radius: 10px; opacity: 0; transition: opacity .3s; pointer-events: none; z-index: 99; max-width: 90vw; }
#toast.show { opacity: 1; }
#toast.err { border-color: var(--err); }

/* --- Mis Libros --- */
.book-list { display: flex; flex-direction: column; gap: .6rem; }
.book-item { background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 10px; padding: .8rem 1rem; cursor: pointer; display: flex; align-items: center; gap: .7rem; flex-wrap: wrap; }
.book-item:hover { border-color: var(--accent2); }
.book-item .title { font-weight: 600; flex: 1 1 260px; }
.book-item .meta { color: var(--muted); font-size: .8rem; }

/* --- Proyecto (ficha de libro) --- */
.project-header { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; margin-bottom: 1rem; }
.project-header h2 { margin: 0; flex: 1 1 auto; }
.step-nav { display: flex; gap: .3rem; flex-wrap: wrap; margin-bottom: 1rem; border-bottom: 1px solid var(--line); padding-bottom: .6rem; }
.step-nav button { background: none; border: 1px solid var(--line); color: var(--muted); padding: .45rem .8rem; border-radius: 99px; cursor: pointer; font-size: .85rem; }
.step-nav button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.step { display: none; }
.step.active { display: block; }

.angle-list, .similar-list { padding-left: 1.2rem; }
.similar-book { background: var(--panel2); border-radius: 8px; padding: .5rem .7rem; margin-bottom: .4rem; }
.similar-book b { color: var(--accent2); }

.chapter-card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: .8rem; margin-bottom: .6rem; }
.chapter-card .row1 { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; margin-bottom: .4rem; }
.chapter-card .pos { color: var(--accent2); font-weight: 700; min-width: 1.6rem; }
.chapter-card .ctitle { font-weight: 600; flex: 1 1 200px; }
.chapter-card .outline { color: var(--muted); font-size: .85rem; margin-bottom: .5rem; }
.chapter-card textarea.content { min-height: 140px; }
.chapter-card .wc { color: var(--muted); font-size: .78rem; }

.sim-pair { background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: .7rem .9rem; margin-bottom: .6rem; }
.sim-pair .score { color: var(--warn); font-weight: 700; }
.sim-pair .snippet { font-size: .82rem; color: var(--muted); background: var(--bg); border-radius: 6px; padding: .4rem .6rem; margin-top: .3rem; }
.sim-pair .snippet b { color: var(--text); }

.cover-preview { max-width: 260px; border-radius: 10px; border: 1px solid var(--line); display: block; }
.cover-wrap { display: flex; gap: 1.2rem; flex-wrap: wrap; align-items: flex-start; }

.export-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: .8rem; }
.export-card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; text-align: center; }
.export-card .fmt { font-size: 1.6rem; margin-bottom: .3rem; }
.export-card .info { color: var(--muted); font-size: .8rem; margin: .4rem 0 .7rem; }

.key-preview { font-family: ui-monospace, monospace; }

@media (max-width: 700px) {
  .grid2 { grid-template-columns: 1fr; }
  main { padding: .6rem; }
  .actions.sticky { top: 6.2rem; }
  .btn { flex: 1 1 auto; }
  header { padding: .5rem .6rem; }
  .cover-wrap { flex-direction: column; }
}