/* AI eBook Studio (Phase 2 shell). Scoped under #trp-ebook-app. Uses core design
   tokens where available; degrades gracefully. Responsive desktop/tablet/mobile. */
#trp-ebook-app{max-width:960px;margin:0 auto;padding:24px 16px;box-sizing:border-box;color:var(--trp-ink,#111);}
#trp-ebook-app *{box-sizing:border-box;}
#trp-ebook-app .trp-ebook-header{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:18px;}
#trp-ebook-app .trp-ebook-h{margin:0;font-size:22px;font-weight:800;flex:1 1 auto;}
#trp-ebook-app .trp-ebook-btn{display:inline-block;border:1px solid var(--trp-border,#d1d5db);background:var(--trp-surface,#fff);color:var(--trp-ink,#111);border-radius:var(--trp-r-sm,8px);padding:9px 14px;font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;line-height:1.2;}
#trp-ebook-app .trp-ebook-btn:hover{border-color:var(--trp-accent,#2563eb);}
#trp-ebook-app .trp-ebook-btn--primary{background:var(--trp-accent,#2563eb);border-color:var(--trp-accent,#2563eb);color:#fff;}
#trp-ebook-app .trp-ebook-btn--ghost{background:transparent;}
#trp-ebook-app .trp-ebook-btn--danger{color:#b91c1c;border-color:#f0c2c2;}
#trp-ebook-app .trp-ebook-btn:focus{outline:2px solid var(--trp-accent,#2563eb);outline-offset:2px;}
#trp-ebook-app .trp-ebook-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;}
#trp-ebook-app .trp-ebook-card{border:1px solid var(--trp-border,#e5e7eb);border-radius:var(--trp-r-md,12px);background:var(--trp-surface,#fff);display:flex;flex-direction:column;overflow:hidden;}
#trp-ebook-app .trp-ebook-card-body{padding:16px;flex:1 1 auto;}
#trp-ebook-app .trp-ebook-card-title{margin:0 0 4px;font-size:16px;font-weight:700;}
#trp-ebook-app .trp-ebook-card-sub{margin:0 0 10px;font-size:13px;color:var(--trp-muted,#6b7280);}
#trp-ebook-app .trp-ebook-badge{display:inline-block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;padding:3px 8px;border-radius:999px;background:var(--trp-accent-soft,#eef2ff);color:var(--trp-ink-2,#374151);}
#trp-ebook-app .trp-ebook-chip{font-size:13px;color:var(--trp-muted,#6b7280);}
#trp-ebook-app .trp-ebook-card-actions{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--trp-border,#eee);flex-wrap:wrap;}
#trp-ebook-app .trp-ebook-empty{text-align:center;padding:48px 20px;border:1px dashed var(--trp-border,#d1d5db);border-radius:var(--trp-r-md,12px);background:var(--trp-surface,#fff);}
#trp-ebook-app .trp-ebook-empty-icon{font-size:40px;margin-bottom:8px;}
#trp-ebook-app .trp-ebook-empty h3{margin:0 0 6px;font-size:18px;}
#trp-ebook-app .trp-ebook-empty p{margin:0 0 16px;color:var(--trp-muted,#6b7280);}
#trp-ebook-app .trp-ebook-workspace-meta{display:flex;gap:12px;align-items:center;margin:10px 0 16px;flex-wrap:wrap;}
#trp-ebook-app .trp-ebook-note{border:1px solid var(--trp-border,#e5e7eb);border-left:4px solid var(--trp-accent,#2563eb);border-radius:var(--trp-r-sm,8px);background:var(--trp-accent-soft,#f8fafc);padding:14px 16px;font-size:14px;line-height:1.6;color:var(--trp-ink-2,#374151);}
#trp-ebook-app .trp-ebook-loading{color:var(--trp-muted,#6b7280);}
@media(max-width:480px){#trp-ebook-app{padding:16px 12px;}#trp-ebook-app .trp-ebook-card-actions .trp-ebook-btn{flex:1 1 auto;text-align:center;}}

/* ---- Phase 3: wizard, stepper, forms, results, outline ---- */
#trp-ebook-app .trp-ebook-stepper{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0 0 20px;padding:0;}
#trp-ebook-app .trp-ebook-stepitem{display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--trp-border,#e5e7eb);border-radius:999px;background:var(--trp-surface,#fff);cursor:pointer;font-size:13px;font-weight:600;color:var(--trp-muted,#6b7280);}
#trp-ebook-app .trp-ebook-stepitem.is-active{border-color:var(--trp-accent,#2563eb);color:var(--trp-ink,#111);box-shadow:0 0 0 2px var(--trp-accent-soft,#eef2ff) inset;}
#trp-ebook-app .trp-ebook-stepitem.is-done{color:var(--trp-accent,#2563eb);}
#trp-ebook-app .trp-ebook-stepnum{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--trp-accent-soft,#eef2ff);color:var(--trp-ink-2,#374151);font-size:12px;}
#trp-ebook-app .trp-ebook-stepitem.is-active .trp-ebook-stepnum{background:var(--trp-accent,#2563eb);color:#fff;}
#trp-ebook-app .trp-ebook-steptitle{margin:0 0 14px;font-size:18px;font-weight:800;}
#trp-ebook-app .trp-ebook-current{margin:0 0 14px;font-size:14px;color:var(--trp-ink-2,#374151);}
#trp-ebook-app .trp-ebook-hint{margin:0 0 14px;font-size:13px;color:var(--trp-muted,#6b7280);}
#trp-ebook-app .trp-ebook-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-bottom:16px;}
#trp-ebook-app .trp-ebook-field{display:flex;flex-direction:column;gap:5px;}
#trp-ebook-app .trp-ebook-label{font-size:13px;font-weight:600;color:var(--trp-ink-2,#374151);}
#trp-ebook-app .trp-ebook-input{width:100%;box-sizing:border-box;border:1px solid var(--trp-border,#d1d5db);border-radius:var(--trp-r-sm,8px);padding:9px 11px;font-size:14px;background:var(--trp-surface,#fff);color:var(--trp-ink,#111);}
#trp-ebook-app .trp-ebook-input:focus{outline:2px solid var(--trp-accent,#2563eb);outline-offset:1px;}
#trp-ebook-app .trp-ebook-textarea{resize:vertical;min-height:44px;font-family:inherit;}
#trp-ebook-app .trp-ebook-actions{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0 4px;}
#trp-ebook-app .trp-ebook-btn.is-busy{opacity:.7;cursor:progress;}
#trp-ebook-app .trp-ebook-results{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-top:16px;}
#trp-ebook-app .trp-ebook-result{border:1px solid var(--trp-border,#e5e7eb);border-radius:var(--trp-r-md,12px);background:var(--trp-surface,#fff);padding:14px;display:flex;flex-direction:column;gap:8px;}
#trp-ebook-app .trp-ebook-result-title{margin:0;font-size:15px;font-weight:700;}
#trp-ebook-app .trp-ebook-result-desc{margin:0;font-size:13px;color:var(--trp-ink-2,#374151);}
#trp-ebook-app .trp-ebook-result-meta{margin:0;font-size:12px;color:var(--trp-muted,#6b7280);}
#trp-ebook-app .trp-ebook-result .trp-ebook-btn{margin-top:auto;}
#trp-ebook-app .trp-ebook-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 14px;border-radius:var(--trp-r-sm,8px);margin-bottom:14px;font-size:14px;}
#trp-ebook-app .trp-ebook-banner--error{background:#fdecec;color:#8a1c1c;border:1px solid #f3c2c2;}
#trp-ebook-app .trp-ebook-banner--success{background:#e8f5ec;color:#1a6b34;border:1px solid #b7e0c4;}
#trp-ebook-app .trp-ebook-outline{display:flex;flex-direction:column;gap:10px;margin-top:14px;}
#trp-ebook-app .trp-ebook-chapter{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--trp-border,#e5e7eb);border-radius:var(--trp-r-md,12px);background:var(--trp-surface,#fff);padding:12px;}
#trp-ebook-app .trp-ebook-chapter-num{flex:0 0 auto;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--trp-accent-soft,#eef2ff);font-weight:700;font-size:13px;}
#trp-ebook-app .trp-ebook-chapter-body{flex:1 1 auto;display:flex;flex-direction:column;gap:8px;min-width:0;}
#trp-ebook-app .trp-ebook-chapter-ops{flex:0 0 auto;display:flex;flex-direction:column;gap:6px;}
@media(max-width:560px){#trp-ebook-app .trp-ebook-chapter{flex-wrap:wrap;}#trp-ebook-app .trp-ebook-chapter-ops{flex-direction:row;flex-wrap:wrap;width:100%;}}

/* ---- Phase 4: chapter writer + block editor ---- */
#trp-ebook-app .trp-ebook-writer{display:grid;grid-template-columns:240px 1fr;gap:18px;margin-top:14px;}
@media(max-width:720px){#trp-ebook-app .trp-ebook-writer{grid-template-columns:1fr;}}
#trp-ebook-app .trp-ebook-chaplist{display:flex;flex-direction:column;gap:6px;}
#trp-ebook-app .trp-ebook-chaplist-h{font-size:13px;font-weight:700;color:var(--trp-muted,#6b7280);text-transform:uppercase;letter-spacing:.04em;margin-bottom:2px;}
#trp-ebook-app .trp-ebook-chaplink{display:flex;align-items:center;gap:8px;text-align:left;border:1px solid var(--trp-border,#e5e7eb);background:var(--trp-surface,#fff);border-radius:var(--trp-r-sm,8px);padding:8px 10px;cursor:pointer;font-size:13px;}
#trp-ebook-app .trp-ebook-chaplink.is-active{border-color:var(--trp-accent,#2563eb);box-shadow:0 0 0 2px var(--trp-accent-soft,#eef2ff) inset;}
#trp-ebook-app .trp-ebook-chaplink-num{flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:var(--trp-accent-soft,#eef2ff);display:grid;place-items:center;font-size:11px;font-weight:700;}
#trp-ebook-app .trp-ebook-chaplink-title{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
#trp-ebook-app .trp-ebook-chapstatus{flex:0 0 auto;font-size:10px;font-weight:700;text-transform:uppercase;padding:2px 6px;border-radius:999px;}
#trp-ebook-app .trp-ebook-chapstatus--not-started{background:#f1f1f4;color:#6b7280;}
#trp-ebook-app .trp-ebook-chapstatus--draft{background:#fff3d6;color:#8a6d1a;}
#trp-ebook-app .trp-ebook-chapstatus--ready{background:#e8f5ec;color:#1a6b34;}
#trp-ebook-app .trp-ebook-chapstatus--generating{background:var(--trp-accent-soft,#eef2ff);color:var(--trp-accent,#2563eb);}
#trp-ebook-app .trp-ebook-editor-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;}
#trp-ebook-app .trp-ebook-editor-title{margin:0;font-size:16px;font-weight:800;}
#trp-ebook-app .trp-ebook-savestate{font-size:12px;color:var(--trp-muted,#6b7280);}
#trp-ebook-app .trp-ebook-progress{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--trp-border,#e5e7eb);border-radius:var(--trp-r-sm,8px);background:var(--trp-accent-soft,#f8fafc);margin:8px 0;font-size:14px;color:var(--trp-ink-2,#374151);}
#trp-ebook-app .trp-ebook-spinner{width:16px;height:16px;border-radius:50%;border:2px solid var(--trp-border,#d1d5db);border-top-color:var(--trp-accent,#2563eb);animation:trp-ebook-spin .7s linear infinite;flex:0 0 auto;}
@keyframes trp-ebook-spin{to{transform:rotate(360deg);}}
#trp-ebook-app .trp-ebook-addbar{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0;}
#trp-ebook-app .trp-ebook-blocks{display:flex;flex-direction:column;gap:10px;}
#trp-ebook-app .trp-ebook-block{display:flex;gap:8px;align-items:flex-start;border:1px solid var(--trp-border,#e5e7eb);border-radius:var(--trp-r-md,12px);background:var(--trp-surface,#fff);padding:10px;}
#trp-ebook-app .trp-ebook-blockchk{flex:0 0 auto;padding-top:6px;}
#trp-ebook-app .trp-ebook-blocksel{width:16px;height:16px;cursor:pointer;}
#trp-ebook-app .trp-ebook-blockmain{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:6px;}
#trp-ebook-app .trp-ebook-blockrow2{display:flex;align-items:center;gap:8px;}
#trp-ebook-app .trp-ebook-btag{font-size:11px;font-weight:700;text-transform:uppercase;color:var(--trp-muted,#6b7280);}
#trp-ebook-app .trp-ebook-lvl{max-width:80px;}
#trp-ebook-app .trp-ebook-blockops{flex:0 0 auto;display:flex;flex-direction:column;gap:4px;}
#trp-ebook-app .trp-ebook-divider{border:none;border-top:2px dashed var(--trp-border,#d1d5db);width:100%;}
#trp-ebook-app .trp-ebook-previewpanel{border:1px solid var(--trp-accent,#2563eb);border-radius:var(--trp-r-md,12px);background:var(--trp-surface,#fff);padding:14px;margin:12px 0;}
#trp-ebook-app .trp-ebook-preview-h{font-size:12px;font-weight:700;text-transform:uppercase;color:var(--trp-accent,#2563eb);margin-bottom:8px;}
#trp-ebook-app .trp-ebook-preview-body{border-left:3px solid var(--trp-accent-soft,#eef2ff);padding-left:12px;margin-bottom:10px;font-size:14px;line-height:1.6;}
#trp-ebook-app .trp-ebook-pv-callout{background:var(--trp-accent-soft,#f8fafc);border-radius:8px;padding:8px 10px;}
@media(max-width:560px){#trp-ebook-app .trp-ebook-block{flex-wrap:wrap;}#trp-ebook-app .trp-ebook-blockops{flex-direction:row;}}

/* ---- Phase 5: images ---- */
#trp-ebook-app .trp-ebook-img{max-width:100%;height:auto;border-radius:var(--trp-r-sm,8px);border:1px solid var(--trp-border,#e5e7eb);display:block;}
#trp-ebook-app .trp-ebook-imgph{display:flex;align-items:center;justify-content:center;text-align:center;min-height:80px;padding:16px;border:1px dashed var(--trp-border,#d1d5db);border-radius:var(--trp-r-sm,8px);color:var(--trp-muted,#6b7280);background:var(--trp-accent-soft,#f8fafc);font-size:13px;}
#trp-ebook-app .trp-ebook-imgpanel .trp-ebook-form{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));}
#trp-ebook-app .trp-ebook-imgpreview{margin:10px 0;}
#trp-ebook-app .trp-ebook-imgpreview .trp-ebook-img{max-width:360px;}
@media(max-width:560px){#trp-ebook-app .trp-ebook-imgpreview .trp-ebook-img{max-width:100%;}}

/* ---- Phase 6: cover, front matter, book preview ---- */
#trp-ebook-app .trp-ebook-coverwrap{display:grid;grid-template-columns:300px 1fr;gap:20px;margin-top:14px;}
@media(max-width:720px){#trp-ebook-app .trp-ebook-coverwrap{grid-template-columns:1fr;}}
#trp-ebook-app .trp-ebook-cover{position:relative;border-radius:var(--trp-r-md,12px);overflow:hidden;border:1px solid var(--trp-border,#e5e7eb);background:#222;display:flex;align-items:center;justify-content:center;}
#trp-ebook-app .trp-ebook-cover--portrait{aspect-ratio:2/3;}
#trp-ebook-app .trp-ebook-cover--square{aspect-ratio:1/1;}
#trp-ebook-app .trp-ebook-cover--landscape{aspect-ratio:3/2;}
#trp-ebook-app .trp-ebook-cover-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
#trp-ebook-app .trp-ebook-cover-empty{color:#bbb;font-size:14px;z-index:1;}
#trp-ebook-app .trp-ebook-cover-text{position:relative;z-index:2;width:100%;padding:20px;color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.6);text-align:center;display:flex;flex-direction:column;gap:6px;}
#trp-ebook-app .trp-ebook-coverlay--top-title .trp-ebook-cover-text{align-self:flex-start;margin-bottom:auto;}
#trp-ebook-app .trp-ebook-coverlay--bottom-title .trp-ebook-cover-text{align-self:flex-end;margin-top:auto;}
#trp-ebook-app .trp-ebook-cover-title{font-size:24px;font-weight:800;line-height:1.15;}
#trp-ebook-app .trp-ebook-cover-sub{font-size:15px;font-weight:600;opacity:.95;}
#trp-ebook-app .trp-ebook-cover-author{font-size:14px;margin-top:6px;opacity:.9;}
#trp-ebook-app .trp-ebook-coverlay--minimal .trp-ebook-cover-text{background:rgba(0,0,0,.35);}
#trp-ebook-app .trp-ebook-booknav{display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:12px;}
#trp-ebook-app .trp-ebook-booknum{font-size:13px;color:var(--trp-muted,#6b7280);min-width:120px;text-align:center;}
#trp-ebook-app .trp-ebook-bookpage{display:flex;justify-content:center;}
#trp-ebook-app .trp-ebook-bp{width:100%;max-width:560px;min-height:360px;background:#fff;border:1px solid var(--trp-border,#e5e7eb);border-radius:var(--trp-r-md,12px);padding:36px 40px;box-shadow:0 4px 24px rgba(0,0,0,.06);line-height:1.7;color:#1a1a1a;box-sizing:border-box;}
#trp-ebook-app .trp-ebook-bp h2{margin:0 0 14px;font-size:20px;}
#trp-ebook-app .trp-ebook-bp p{margin:0 0 12px;}
#trp-ebook-app .trp-ebook-bp-center{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;}
#trp-ebook-app .trp-ebook-bp-title{font-size:30px;font-weight:800;margin:0 0 10px;}
#trp-ebook-app .trp-ebook-bp-sub{font-size:18px;font-weight:600;color:#555;margin:0 0 20px;}
#trp-ebook-app .trp-ebook-bp-author{font-size:15px;color:#333;}
#trp-ebook-app .trp-ebook-bp-small{font-size:13px;color:#555;}
#trp-ebook-app .trp-ebook-bp-italic{font-style:italic;color:#444;}
#trp-ebook-app .trp-ebook-bp-toc{padding-left:22px;}
#trp-ebook-app .trp-ebook-bp-toc li{margin:6px 0;}
#trp-ebook-app .trp-ebook-bp-cover{background:#222;color:#fff;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;}
#trp-ebook-app .trp-ebook-bp-cover .trp-ebook-cover-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}

/* ---- Phase 7: Design step + design-aware rendering ---- */
#trp-ebook-app .trp-ebook-designwrap{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:20px;align-items:start;}
@media(max-width:860px){#trp-ebook-app .trp-ebook-designwrap{grid-template-columns:1fr;}}
#trp-ebook-app .trp-ebook-dgroup{border:1px solid var(--trp-border,#e5e7eb);border-radius:var(--trp-r-md,12px);padding:12px 14px;margin-bottom:12px;background:var(--trp-surface,#fafafa);}
#trp-ebook-app .trp-ebook-dgroup-h{font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--trp-muted,#6b7280);margin-bottom:10px;}
#trp-ebook-app .trp-ebook-color{width:100%;height:38px;padding:2px;border:1px solid var(--trp-border,#e5e7eb);border-radius:var(--trp-r-sm,8px);background:#fff;cursor:pointer;}
#trp-ebook-app .trp-ebook-designleft{position:sticky;top:12px;}
#trp-ebook-app .trp-ebook-designpreview{display:flex;justify-content:center;}

/* Designed surface: consumes the deterministic --trpd-* tokens (preview + book preview). */
#trp-ebook-app .trp-ebook-designed{
  background:var(--trpd-bg,#fff);color:var(--trpd-text,#1a1a1a);
  font-family:var(--trpd-body-font,Georgia,serif);font-size:var(--trpd-body-size,17px);line-height:var(--trpd-line,1.7);
  padding:var(--trpd-pad,40px);max-width:none;width:100%;
}
#trp-ebook-app .trp-ebook-designpreview .trp-ebook-designed{max-width:var(--trpd-content-w,760px);}
#trp-ebook-app .trp-ebook-bp.trp-ebook-designed{max-width:calc(var(--trpd-content-w,760px) + 80px);}
#trp-ebook-app .trp-ebook-designed .trp-ebook-db-p{margin:0 0 var(--trpd-p-space,14px);}
#trp-ebook-app .trp-ebook-designed .trp-ebook-db-h{
  font-family:var(--trpd-head-font,Georgia,serif);color:var(--trpd-heading,#111);
  font-size:var(--trpd-h2,27px);line-height:1.25;margin:var(--trpd-h-space,20px) 0 calc(var(--trpd-p-space,14px));font-weight:700;
}
#trp-ebook-app .trp-ebook-designed h3.trp-ebook-db-h{font-size:var(--trpd-h3,22px);}
#trp-ebook-app .trp-ebook-designed h1.trp-ebook-db-h{font-size:var(--trpd-h1,36px);}

/* Chapter title layouts */
#trp-ebook-app .trp-ebook-chtitle{margin:0 0 calc(var(--trpd-h-space,20px) + 8px);}
#trp-ebook-app .trp-ebook-cht-h{font-family:var(--trpd-head-font,Georgia,serif);color:var(--trpd-heading,#111);font-size:var(--trpd-h1,36px);line-height:1.15;margin:0;font-weight:800;}
#trp-ebook-app .trp-cht-centered{text-align:center;}
#trp-ebook-app .trp-cht-left{text-align:left;}
#trp-ebook-app .trp-cht-left .trp-ebook-cht-h{border-left:4px solid var(--trpd-accent,#8a6d1a);padding-left:14px;}
#trp-ebook-app .trp-ebook-cht-num{color:var(--trpd-accent,#8a6d1a);font-family:var(--trpd-head-font);font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px;}
#trp-ebook-app .trp-cht-number-title{text-align:left;border-bottom:2px solid var(--trpd-border,#e5e7eb);padding-bottom:12px;}
#trp-ebook-app .trp-ebook-cht-bignum{color:var(--trpd-accent,#8a6d1a);font-family:var(--trpd-head-font);font-size:calc(var(--trpd-h1,36px) * 1.8);font-weight:800;line-height:1;opacity:.35;margin-bottom:-.1em;}
#trp-ebook-app .trp-cht-large{text-align:center;}
#trp-ebook-app .trp-cht-minimal .trp-ebook-cht-h{font-size:var(--trpd-h2,27px);font-weight:600;}

/* Paragraph / lists */
#trp-ebook-app .trp-ebook-db-list{margin:0 0 var(--trpd-p-space,14px);padding-left:26px;}
#trp-ebook-app .trp-ebook-db-list li{margin:0 0 6px;}
#trp-ebook-app .trp-ls-clean{list-style:none;padding-left:0;}
#trp-ebook-app .trp-ls-clean li{position:relative;padding-left:22px;}
#trp-ebook-app .trp-ls-clean li:before{content:"";position:absolute;left:2px;top:.6em;width:7px;height:7px;border-radius:50%;background:var(--trpd-accent,#8a6d1a);}
#trp-ebook-app ol.trp-ls-clean li:before{display:none;}
#trp-ebook-app .trp-ls-minimal{list-style:none;padding-left:0;}
#trp-ebook-app .trp-ls-minimal li{border-bottom:1px solid var(--trpd-border,#e5e7eb);padding:6px 0;}

/* Quotes */
#trp-ebook-app .trp-ebook-db-quote{margin:calc(var(--trpd-h-space,20px)) 0;color:var(--trpd-text,#1a1a1a);}
#trp-ebook-app .trp-ebook-db-cite{display:block;margin-top:8px;font-size:.85em;color:var(--trpd-muted,#6b7280);font-style:normal;}
#trp-ebook-app .trp-q-simple{padding-left:16px;border-left:3px solid var(--trpd-border,#e5e7eb);font-style:italic;}
#trp-ebook-app .trp-q-accent{padding:12px 18px;border-left:4px solid var(--trpd-accent,#8a6d1a);background:var(--trpd-callout-bg,#f6f3ea);font-style:italic;border-radius:0 var(--trp-r-sm,8px) var(--trp-r-sm,8px) 0;}
#trp-ebook-app .trp-q-large{text-align:center;font-size:1.3em;font-style:italic;color:var(--trpd-heading,#111);padding:8px 24px;line-height:1.4;}
#trp-ebook-app .trp-q-minimal{padding-left:0;font-style:italic;color:var(--trpd-muted,#6b7280);}

/* Callouts */
#trp-ebook-app .trp-ebook-db-callout{margin:calc(var(--trpd-p-space,14px)) 0;padding:12px 16px;border-radius:var(--trp-r-sm,8px);}
#trp-ebook-app .trp-co-standard{background:var(--trpd-callout-bg,#f3f4f6);border:1px solid var(--trpd-border,#e5e7eb);}
#trp-ebook-app .trp-co-soft{background:var(--trpd-callout-bg,#f3f4f6);}
#trp-ebook-app .trp-co-bordered{background:transparent;border:1px solid var(--trpd-accent,#8a6d1a);border-left-width:4px;}
#trp-ebook-app .trp-cok-warning{border-left:4px solid #d97706;}
#trp-ebook-app .trp-cok-tip{border-left:4px solid #059669;}
#trp-ebook-app .trp-cok-note{border-left:4px solid var(--trpd-muted,#6b7280);}

/* Dividers */
#trp-ebook-app .trp-ebook-db-hr{border:0;border-top:1px solid var(--trpd-border,#e5e7eb);margin:calc(var(--trpd-h-space,20px)) auto;width:60%;}

/* Images: placement, size, style */
#trp-ebook-app .trp-ebook-db-fig{margin:calc(var(--trpd-h-space,20px)) 0;}
#trp-ebook-app .trp-ebook-db-img{display:block;max-width:100%;height:auto;}
#trp-ebook-app .trp-ebook-db-cap{font-size:.85em;color:var(--trpd-muted,#6b7280);margin-top:6px;text-align:center;}
#trp-ebook-app .trp-img-center{text-align:center;}
#trp-ebook-app .trp-img-center .trp-ebook-db-img{margin-left:auto;margin-right:auto;}
#trp-ebook-app .trp-img-left{text-align:left;}
#trp-ebook-app .trp-img-right{text-align:right;}
#trp-ebook-app .trp-img-right .trp-ebook-db-img{margin-left:auto;}
#trp-ebook-app .trp-imgsz-small .trp-ebook-db-img{max-width:40%;}
#trp-ebook-app .trp-imgsz-medium .trp-ebook-db-img{max-width:65%;}
#trp-ebook-app .trp-imgsz-large .trp-ebook-db-img{max-width:100%;}
#trp-ebook-app .trp-imgsz-full .trp-ebook-db-img{max-width:100%;width:100%;}
#trp-ebook-app .trp-imgst-rounded .trp-ebook-db-img{border-radius:var(--trp-r-md,12px);}
#trp-ebook-app .trp-imgst-bordered .trp-ebook-db-img{border:1px solid var(--trpd-border,#e5e7eb);padding:4px;background:#fff;}
#trp-ebook-app .trp-imgst-shadow .trp-ebook-db-img{box-shadow:0 6px 24px rgba(0,0,0,.15);border-radius:var(--trp-r-sm,8px);}
#trp-ebook-app .trp-imgst-full-bleed{margin-left:calc(var(--trpd-pad,40px) * -1);margin-right:calc(var(--trpd-pad,40px) * -1);}
#trp-ebook-app .trp-imgst-full-bleed .trp-ebook-db-img{width:100%;max-width:100%;}
#trp-ebook-app .trp-ebook-db-fig .trp-ebook-imgph{background:var(--trpd-callout-bg,#f3f4f6);border:1px dashed var(--trpd-border,#cbd5e1);border-radius:var(--trp-r-sm,8px);padding:28px;text-align:center;color:var(--trpd-muted,#6b7280);}

/* Designed book-preview headings inherit design fonts */
#trp-ebook-app .trp-ebook-bp.trp-ebook-designed .trp-ebook-bp-title,
#trp-ebook-app .trp-ebook-bp.trp-ebook-designed .trp-ebook-bp-sub,
#trp-ebook-app .trp-ebook-bp.trp-ebook-designed .trp-ebook-bp-ch{font-family:var(--trpd-head-font,Georgia,serif);color:var(--trpd-heading,#111);}
#trp-ebook-app .trp-ebook-bp.trp-ebook-designed .trp-ebook-bp-toc li{margin:6px 0;}

/* ---- Phase 8: Export step ---- */
#trp-ebook-app #trp-exp-cost{font-weight:600;color:var(--trp-heading,#111);margin:6px 0 14px;}
#trp-ebook-app #trp-exp-after{margin-top:14px;}
#trp-ebook-app #trp-exp-after .trp-ebook-banner{margin-bottom:10px;}
#trp-ebook-app .trp-ebook-progress{display:flex;align-items:center;gap:10px;color:var(--trp-muted,#6b7280);font-size:14px;margin:8px 0;}

/* ---- Phase 9: Export history / library ---- */
#trp-ebook-app .trp-ebook-exphist{margin-top:24px;border-top:1px solid var(--trp-border,#e5e7eb);padding-top:16px;}
#trp-ebook-app .trp-ebook-exphist-h{margin:0 0 10px;font-size:15px;color:var(--trp-heading,#111);}
#trp-ebook-app .trp-ebook-exphist-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;border:1px solid var(--trp-border,#e5e7eb);border-radius:var(--trp-r-sm,8px);margin-bottom:8px;background:var(--trp-surface,#fafafa);}
#trp-ebook-app .trp-ebook-exphist-meta{min-width:0;}
#trp-ebook-app .trp-ebook-exphist-name{font-weight:600;color:var(--trp-heading,#111);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
@media(max-width:600px){#trp-ebook-app .trp-ebook-exphist-row{flex-direction:column;align-items:flex-start;}}

/* ================= Phase 10: Product readiness / UX ================= */
#trp-ebook-app .trp-ebook-sub{color:var(--trp-muted,#6b7280);margin:-4px 0 16px;font-size:14px;max-width:70ch;}

/* Dashboard stats */
#trp-ebook-app .trp-ebook-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:0 0 20px;}
#trp-ebook-app .trp-ebook-stat{border:1px solid var(--trp-border,#e5e7eb);border-radius:var(--trp-r-md,12px);padding:14px 16px;background:var(--trp-surface,#fafafa);}
#trp-ebook-app .trp-ebook-stat-num{font-size:26px;font-weight:800;color:var(--trp-heading,#111);line-height:1.1;}
#trp-ebook-app .trp-ebook-stat-label{font-size:12px;color:var(--trp-muted,#6b7280);text-transform:uppercase;letter-spacing:.04em;margin-top:4px;}
@media(max-width:640px){#trp-ebook-app .trp-ebook-stats{grid-template-columns:repeat(2,1fr);}}

/* Card grid */
#trp-ebook-app .trp-ebook-cardgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;}
#trp-ebook-app .trp-ebook-card{display:flex;flex-direction:column;border:1px solid var(--trp-border,#e5e7eb);border-radius:var(--trp-r-md,12px);overflow:hidden;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.04);}
#trp-ebook-app .trp-ebook-card-thumb{height:120px;background:linear-gradient(135deg,#eef2ff,#e5e7eb);display:flex;align-items:center;justify-content:center;overflow:hidden;}
#trp-ebook-app .trp-ebook-card-cover{width:100%;height:100%;object-fit:cover;}
#trp-ebook-app .trp-ebook-card-thumbicon{font-size:40px;opacity:.5;}
#trp-ebook-app .trp-ebook-card-body{padding:14px 16px;flex:1;display:flex;flex-direction:column;gap:6px;}
#trp-ebook-app .trp-ebook-card-titlerow{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;}
#trp-ebook-app .trp-ebook-card-title{margin:0;font-size:16px;line-height:1.3;color:var(--trp-heading,#111);}
#trp-ebook-app .trp-ebook-card-sub{margin:0;font-size:13px;color:var(--trp-muted,#6b7280);}
#trp-ebook-app .trp-ebook-card-meta{margin:2px 0 6px;font-size:12px;color:var(--trp-muted,#6b7280);}
#trp-ebook-app .trp-ebook-card-progresslabel{margin:0;font-size:11px;color:var(--trp-muted,#6b7280);}
#trp-ebook-app .trp-ebook-card-actions{display:flex;flex-wrap:wrap;gap:6px;padding:12px 16px;border-top:1px solid var(--trp-border,#e5e7eb);background:var(--trp-surface,#fafafa);}

/* Status badges */
#trp-ebook-app .trp-ebook-badge{display:inline-block;font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px;white-space:nowrap;background:#e5e7eb;color:#374151;}
#trp-ebook-app .trp-ebook-badge--draft{background:#e5e7eb;color:#374151;}
#trp-ebook-app .trp-ebook-badge--in-progress{background:#dbeafe;color:#1e40af;}
#trp-ebook-app .trp-ebook-badge--ready-to-export{background:#fef3c7;color:#92400e;}
#trp-ebook-app .trp-ebook-badge--exported{background:#dcfce7;color:#166534;}
#trp-ebook-app .trp-ebook-badge--archived{background:#f3f4f6;color:#6b7280;}

/* Progress bar */
#trp-ebook-app .trp-ebook-progress-bar{height:6px;border-radius:999px;background:#e5e7eb;overflow:hidden;}
#trp-ebook-app .trp-ebook-progress-fill{display:block;height:100%;background:var(--trp-primary,#2563eb);border-radius:999px;transition:width .3s ease;}

/* First-use onboarding */
#trp-ebook-app .trp-ebook-firstuse-steps{max-width:460px;margin:12px auto 18px;text-align:left;padding-left:22px;color:var(--trp-muted,#4b5563);}
#trp-ebook-app .trp-ebook-firstuse-steps li{margin:6px 0;}

/* Stepper done/focus */
#trp-ebook-app .trp-ebook-stepitem.is-done .trp-ebook-stepnum{background:var(--trp-primary,#2563eb);color:#fff;}
#trp-ebook-app .trp-ebook-stepitem:focus-visible{outline:2px solid var(--trp-primary,#2563eb);outline-offset:2px;border-radius:6px;}

/* Chapter navigation */
#trp-ebook-app .trp-ebook-chapnav{display:flex;align-items:center;gap:8px;margin-left:auto;}
#trp-ebook-app .trp-ebook-chapnav-pos{font-size:12px;color:var(--trp-muted,#6b7280);min-width:44px;text-align:center;}

/* Focus visibility for keyboard users */
#trp-ebook-app .trp-ebook-btn:focus-visible,#trp-ebook-app .trp-ebook-input:focus-visible{outline:2px solid var(--trp-primary,#2563eb);outline-offset:1px;}

/* Mobile */
@media(max-width:640px){
  #trp-ebook-app .trp-ebook-cardgrid{grid-template-columns:1fr;}
  #trp-ebook-app .trp-ebook-header{flex-wrap:wrap;gap:8px;}
  #trp-ebook-app .trp-ebook-editor-head{flex-wrap:wrap;}
  #trp-ebook-app .trp-ebook-chapnav{margin-left:0;}
}

/* AI mode selector (Manual / Claude Prompt / AI API) — minimal, matches existing UI. */
.trp-ebook-aimodebar{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;margin:0 0 16px;padding:10px 12px;border:1px solid var(--trp-ebook-border,#e3e8f2);border-radius:10px;background:var(--trp-ebook-surface-2,#f6f8fc);}
.trp-ebook-aimodebar .trp-ebook-label{font-weight:600;}
.trp-ebook-modeselect{max-width:240px;width:auto;}
.trp-ebook-aimodebar .trp-ebook-hint{margin:0;flex:1 1 220px;}
.trp-ebook-promptpanel .trp-ebook-textarea[readonly]{background:var(--trp-ebook-surface-2,#f6f8fc);}