:root{--cream:#fbf3eb;--paper:#fffaf4;--rose:#f3c5bd;--wine:#93485b;--wine2:#7f354a;--ink:#211d1b;--muted:#7d6d66;--line:#eadbd3;--dark:#111214;--shadow:0 14px 40px rgba(70,35,35,.12);--font-scale:1}
*{box-sizing:border-box}html,body{margin:0;background:#eaded6;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input{font:inherit}.app-shell{width:min(100%,460px);min-height:100dvh;margin:auto;background:var(--paper);position:relative;box-shadow:0 0 45px rgba(0,0,0,.12);padding-bottom:78px}.topbar{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;background:rgba(255,250,244,.94);position:sticky;top:0;z-index:10;border-bottom:1px solid rgba(234,219,211,.65);backdrop-filter:blur(14px)}.brand-mini{font-size:12px;letter-spacing:.22em;font-weight:700}.icon-btn{border:0;background:transparent;font-size:22px;min-width:36px;min-height:36px}.hidden{display:none!important}.view{min-height:calc(100dvh - 136px)}.page{padding:22px 20px 28px}.hero{min-height:calc(100dvh - 136px);padding:58px 28px 35px;display:flex;flex-direction:column;align-items:center;text-align:center;background:radial-gradient(circle at 50% 44%,#f6baa8 0,#e99885 22%,#70707c 55%,#252a32 100%);color:white;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;bottom:-40px;left:-12%;width:124%;height:210px;background:linear-gradient(150deg,transparent 0 30%,#2b3139 31% 42%,transparent 43% 49%,#15191e 50% 64%,transparent 65%);opacity:.75}.logo-mark{font-size:84px;line-height:.8;font-weight:200;margin-top:12px}.logo-word{font-size:20px;letter-spacing:.3em;margin-top:18px}.kicker{opacity:.8;margin:8px 0 70px}.hero h1{font-family:Georgia,serif;font-size:28px;line-height:1.28;font-weight:500;max-width:320px;margin:auto 0 28px;z-index:1}.hero button,.hero small{z-index:1}.primary,.secondary{width:100%;border-radius:999px;padding:14px 18px;border:1px solid rgba(255,255,255,.7);margin-top:10px}.primary{background:var(--rose);color:#3c2526;border:0;font-weight:700}.secondary{background:rgba(0,0,0,.28);color:white}.hero small{margin-top:22px;opacity:.82}.section-head{display:flex;justify-content:space-between;align-items:center}.section-head h1,.page>h1{font-family:Georgia,serif}.tabs{display:flex;background:#f6eee8;padding:4px;border-radius:11px;margin:18px 0}.tabs button{flex:1;border:0;background:transparent;padding:9px;border-radius:8px;font-size:12px}.tabs .active{background:var(--wine);color:#fff}.book-card{background:white;border-radius:19px;overflow:hidden;box-shadow:var(--shadow);cursor:pointer}.cover{height:285px;position:relative;background:linear-gradient(#efc2ae,#f6a07f 45%,#746965 72%,#473f3d);overflow:hidden}.cover-sky{position:absolute;inset:auto -10% -45px;height:155px;background:linear-gradient(145deg,transparent 0 22%,rgba(61,54,52,.55) 23% 39%,transparent 40% 50%,rgba(40,35,35,.78) 51% 66%,transparent 67%);}.cover-copy{position:absolute;inset:32px 24px 18px;text-align:center;display:flex;flex-direction:column;align-items:center}.cover-copy strong{font-family:Georgia,serif;font-size:34px;line-height:.92}.cover-copy span{font-family:Georgia,serif;font-size:12px;max-width:180px;margin-top:18px}.cover-copy em{font-style:normal;font-weight:700;font-size:11px;letter-spacing:.18em;margin-top:auto;color:white}.book-info{padding:16px}.book-info h2{font-family:Georgia,serif;margin:0;font-size:22px}.book-info p,.subtitle,.description{color:var(--muted);line-height:1.5}.progress{height:4px;background:#eaded7;border-radius:999px;overflow:hidden;margin:13px 0}.progress i{display:block;height:100%;background:var(--wine);width:0%;transition:width .25s}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.pill{border:0;background:var(--wine);color:#fff;padding:9px 18px;border-radius:999px}.book-detail{text-align:center}.cover.compact{height:285px;width:190px;margin:10px auto 22px;border-radius:8px;box-shadow:var(--shadow)}.compact .cover-copy strong{font-size:28px}.book-detail h1{margin-bottom:4px}.subtitle{margin-top:0}.meta-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;text-align:left;margin:24px 0;font-size:13px}.description{text-align:left}.mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:24px}.mode-grid button{border:1px solid var(--line);background:#fff6ef;border-radius:12px;padding:14px 6px;font-size:20px}.mode-grid b{display:block;font-size:11px;margin-top:8px}.chapter-list{display:flex;flex-direction:column}.chapter-row{display:grid;grid-template-columns:48px 1fr 34px;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);cursor:pointer}.chapter-num{width:48px;height:55px;border-radius:8px;background:linear-gradient(#e9b9a6,#76635d);display:grid;place-items:center;color:white;font-family:Georgia,serif;font-weight:700}.chapter-row b{display:block;font-family:Georgia,serif;font-size:15px}.chapter-row small{color:var(--muted)}.round{width:32px;height:32px;border-radius:50%;border:1px solid var(--line);background:white}.reader{font-family:Georgia,serif;font-size:calc(17px * var(--font-scale));line-height:1.58}.reader-label{font-family:Inter,sans-serif;font-size:12px;color:var(--muted);margin-top:8px}.reader h1{font-size:calc(29px * var(--font-scale));line-height:1.1}.ornament{text-align:center;color:var(--wine);font-size:34px;margin:8px}.reader-text p{margin:0 0 18px}.reading-footer{margin-top:38px;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;font-family:Inter,sans-serif;font-size:11px}.dark{background:var(--dark);color:white;min-height:calc(100dvh - 136px);text-align:center}.player-cover{height:210px;width:142px;margin:10px auto 18px;border-radius:8px}.player-cover .cover-copy{inset:22px 14px 12px}.player-cover .cover-copy strong{font-size:20px}.player h1{font-family:Georgia,serif;font-size:25px}.dark .reader-label,.dark .demo-note{color:#bcbcbc}.audio-progress input{width:100%;accent-color:#f0b9b0}.transport{display:flex;justify-content:center;align-items:center;gap:42px;margin:26px 0}.transport button{border:0;background:transparent;color:white;font-size:28px}.transport .play{width:72px;height:72px;background:#ffd8cd;color:#171717;border-radius:50%;font-size:28px}.transport small{font-size:10px}.player-options{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}.player-options button{border:0;background:transparent;color:white}.player-options b{display:block;font-size:18px}.player-options span{font-size:11px;color:#bcbcbc}.demo-note{font-size:11px;margin-top:28px}.sync-page{padding-bottom:120px}.active-segment{background:#f7d3cd;border-radius:9px;padding:10px;margin-left:-10px!important;margin-right:-10px!important}.mini-player{position:fixed;bottom:78px;left:50%;transform:translateX(-50%);width:min(calc(100% - 24px),436px);background:#1a1b1e;color:white;border-radius:16px;padding:10px 12px;display:grid;grid-template-columns:48px 1fr 46px;gap:10px;align-items:center;box-shadow:var(--shadow);font-family:Inter,sans-serif}.mini-player button{border:0;border-radius:50%;width:42px;height:42px;background:#ffd8cd}.mini-player b,.mini-player small{display:block}.mini-player small{color:#aaa;font-size:10px}.profile{text-align:center}.avatar{width:88px;height:88px;border-radius:50%;background:linear-gradient(145deg,#1e2126,#b26167);color:white;display:grid;place-items:center;margin:20px auto 10px;font-size:34px}.account-card{display:flex;flex-direction:column;gap:6px;text-align:left;background:#f7e8e2;padding:16px;border-radius:14px;margin:24px 0}.account-card span{color:var(--muted);font-size:13px}.menu-list{display:flex;flex-direction:column}.menu-list button{border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;padding:15px 4px;display:flex;justify-content:space-between}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,460px);height:76px;background:rgba(255,250,244,.97);display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);z-index:20;backdrop-filter:blur(15px)}.nav-btn{border:0;background:transparent;color:#6f635e;font-size:10px}.nav-btn span{display:block;font-size:20px;margin-bottom:3px}.nav-btn.active{color:var(--wine);font-weight:700}.sheet{position:fixed;inset:0;background:rgba(0,0,0,.38);z-index:40;display:flex;align-items:flex-end;justify-content:center}.sheet-card{width:min(100%,460px);background:var(--paper);border-radius:22px 22px 0 0;padding:20px}.sheet-card h3{margin:0}.speed-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:20px}.speed-row button,.timer-list button{border:1px solid var(--line);background:white;border-radius:12px;padding:12px}.speed-row button.active{background:var(--rose)}.timer-list{display:grid;gap:9px;margin-top:18px}.timer-list button{text-align:left}.toast{position:fixed;left:50%;bottom:95px;transform:translateX(-50%);background:#211d1b;color:white;padding:10px 14px;border-radius:999px;font-size:12px;z-index:50;white-space:nowrap}@media(min-width:461px){body{padding:20px 0}.app-shell{min-height:calc(100dvh - 40px);border-radius:26px;overflow:hidden}.bottom-nav{bottom:20px;border-radius:0 0 26px 26px}}

/* --- PSICOLOOP Reader Settings v2 --- */
:root{--reader-line:1.62;--reader-bg:#fffaf4;--reader-fg:#211d1b;--reader-muted:#7d6d66}
.reader-settings-btn{font-family:Georgia,serif;font-size:21px;letter-spacing:-.04em}
.reader{background:var(--reader-bg);color:var(--reader-fg);line-height:var(--reader-line);transition:background .22s ease,color .22s ease,font-size .18s ease,line-height .18s ease}
.reader .reader-label{color:var(--reader-muted)}
.reader .reader-text{transition:font-size .18s ease,line-height .18s ease}
.reader-settings-card{max-height:min(78dvh,690px);overflow:auto;padding-bottom:28px}
.sheet-subtitle{margin:5px 0 0;color:var(--muted);font-size:12px;line-height:1.4}
.setting-group{margin-top:22px}
.setting-label{display:block;font-size:12px;font-weight:700;color:var(--muted);margin-bottom:10px;letter-spacing:.02em}
.font-size-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.font-size-row button{border:1px solid var(--line);background:white;border-radius:13px;min-height:72px;padding:9px 4px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:var(--ink)}
.font-size-row button span{font-family:Georgia,serif;font-weight:700;line-height:1}.font-size-row button:nth-child(1) span{font-size:18px}.font-size-row button:nth-child(2) span{font-size:21px}.font-size-row button:nth-child(3) span{font-size:25px}.font-size-row button:nth-child(4) span{font-size:29px}.font-size-row button small{font-size:9px;color:var(--muted)}
.font-size-row button.active,.segmented button.active,.reader-theme-row button.active{background:#f7dfd9;border-color:#d49a9e;box-shadow:inset 0 0 0 1px #d49a9e}
.segmented{display:grid;grid-template-columns:repeat(3,1fr);padding:4px;background:#f6eee8;border-radius:12px;gap:4px}
.segmented button{border:0;background:transparent;border-radius:9px;padding:10px 5px;font-size:11px;color:var(--ink)}
.reader-theme-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.reader-theme-row button{border:1px solid var(--line);background:white;border-radius:12px;padding:11px 6px;font-size:11px;color:var(--ink);display:flex;align-items:center;justify-content:center;gap:6px}
.theme-dot{width:18px;height:18px;border-radius:50%;border:1px solid rgba(0,0,0,.12);display:inline-block}.cream-dot{background:#fffaf4}.light-dot{background:#fff}.night-dot{background:#17181b}
.reader-preview{margin-top:22px;padding:16px;border-radius:14px;background:var(--reader-bg);color:var(--reader-fg);border:1px solid var(--line);font-family:Georgia,serif;font-size:calc(15px * var(--font-scale));line-height:var(--reader-line);transition:all .18s ease}
.reader-preview strong{font-family:Inter,sans-serif;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--reader-muted)}.reader-preview p{margin:8px 0 0}
.reader.reader-night .active-segment{background:#3d292f}.reader.reader-light .active-segment{background:#f8d9d2}

/* --- PSICOLOOP v3: libro real + capítulo 1 --- */
.real-cover{background:#f9f0e2;display:flex;align-items:center;justify-content:center}
.real-cover img{width:100%;height:100%;object-fit:cover;display:block}
.book-card .real-cover img{object-position:center center}
.cover.compact.real-cover{height:300px;width:215px}
.player-cover.real-cover{height:210px;width:176px;background:#fff}
.player-cover.real-cover img{object-fit:cover}
.ready-chapter .chapter-num{background:linear-gradient(#c98586,#78394c)}
.ready-chapter small{color:#93485b;font-weight:600}
.reader-text{overflow-wrap:anywhere;word-break:normal}
.chapter-section{margin:0 0 34px}
.chapter-section + .chapter-section{padding-top:8px}
.chapter-subhead{font-family:Georgia,serif;font-size:calc(21px * var(--font-scale));line-height:1.18;margin:30px 0 17px;text-transform:none}
.chapter-art{margin:24px -20px 34px;overflow:hidden;background:#faf1e5;border-top:1px solid rgba(147,72,91,.08);border-bottom:1px solid rgba(147,72,91,.08)}
.chapter-art img{display:block;width:100%;height:auto}
.chapter-art figcaption{font-family:Inter,sans-serif;font-size:9px;letter-spacing:.04em;text-transform:uppercase;color:var(--reader-muted);padding:7px 20px 9px;text-align:right}
.reader-night .chapter-art{background:#1d1e21;border-color:#343438}
.reader-night .chapter-art img{opacity:.9}
.prototype-note{padding:15px;border-radius:12px;background:#f7e5df;font-family:Inter,sans-serif;font-size:14px;line-height:1.55}
.reader-night .prototype-note{background:#35272c;color:#f4ece8}
.sync-page .chapter-art{margin-left:-20px;margin-right:-20px}
.sync-page .chapter-section{margin-bottom:26px}
.sync-page .active-segment{scroll-margin-top:150px}
@media(max-width:360px){.chapter-art{margin-left:-16px;margin-right:-16px}.page{padding-left:16px;padding-right:16px}}


/* --- PSICOLOOP v4: portada protagonista + lector pulido --- */
.cover.compact.real-cover{
  width:min(72vw,290px);
  height:auto;
  aspect-ratio:800/953;
  margin:8px auto 26px;
  border-radius:12px;
  border:1px solid rgba(133,92,62,.16);
  box-shadow:0 18px 42px rgba(77,46,36,.18),0 3px 10px rgba(77,46,36,.08);
}
.cover.compact.real-cover img{object-fit:contain;object-position:center;background:#f8efe2}
.book-detail{padding-top:24px}
.book-detail h1{font-size:32px;line-height:1.05;margin-top:4px}
.book-detail .subtitle{font-size:14px;max-width:360px;margin-left:auto;margin-right:auto}
.book-detail .description{font-size:14px;line-height:1.58}
.book-detail .meta-grid{margin-top:20px;margin-bottom:20px}
.mode-grid button{transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}
.mode-grid button:active{transform:scale(.98)}

.reader.page{padding-bottom:94px}
.reader>h1{margin-bottom:10px;max-width:390px}
.reader .ornament{margin:3px 0 16px}
.reader-text{max-width:100%;hyphens:auto;text-rendering:optimizeLegibility}
.reader-text p{margin-bottom:calc(18px * min(var(--font-scale),1.15))}
.chapter-section{margin-bottom:40px}
.chapter-section + .chapter-section{padding-top:2px}
.chapter-subhead{
  margin:34px 0 18px;
  padding-top:16px;
  border-top:1px solid color-mix(in srgb,var(--reader-fg) 12%,transparent);
  letter-spacing:-.01em;
}
.chapter-art{
  margin:28px -20px 38px;
  border:0;
  background:transparent;
  overflow:hidden;
}
.chapter-art img{
  width:100%;height:auto;display:block;
  border-top:1px solid color-mix(in srgb,var(--reader-fg) 7%,transparent);
  border-bottom:1px solid color-mix(in srgb,var(--reader-fg) 7%,transparent);
}
.chapter-art figcaption{display:none}

.reading-footer{
  position:fixed;
  left:50%;
  bottom:14px;
  transform:translateX(-50%);
  width:min(calc(100% - 28px),432px);
  margin:0;
  padding:10px 13px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:12px;
  align-items:center;
  border:1px solid color-mix(in srgb,var(--reader-fg) 9%,transparent);
  border-radius:15px;
  background:color-mix(in srgb,var(--reader-bg) 92%,transparent);
  box-shadow:0 10px 28px rgba(52,35,31,.14);
  backdrop-filter:blur(14px);
  z-index:19;
  color:var(--reader-muted);
}
.reading-footer .progress{margin:0;height:4px;background:color-mix(in srgb,var(--reader-fg) 10%,transparent)}
.reading-footer .progress i{background:var(--wine)}
.reading-footer #pageIndicator{min-width:72px;text-align:right;font-size:10px;letter-spacing:.01em}
.reader-night .reading-footer{box-shadow:0 10px 30px rgba(0,0,0,.38)}

.reader-settings-card .font-size-row button,.reader-settings-card .segmented button,.reader-settings-card .reader-theme-row button{
  transition:transform .13s ease,border-color .13s ease,background .13s ease;
}
.reader-settings-card button:active{transform:scale(.97)}

@media(max-width:390px){
  .cover.compact.real-cover{width:min(74vw,258px)}
  .book-detail h1{font-size:29px}
}
@media(max-width:360px){
  .chapter-art{margin-left:-16px;margin-right:-16px}
  .reading-footer{width:calc(100% - 20px)}
}
@media(min-width:461px){
  .reading-footer{bottom:34px}
}

/* --- PSICOLOOP v5: libro completo --- */
.chapter-navigation{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:42px 0 8px;padding-top:22px;border-top:1px solid color-mix(in srgb,var(--reader-fg) 12%,transparent)}
.chapter-navigation button{min-height:58px;border:1px solid color-mix(in srgb,var(--reader-fg) 14%,transparent);border-radius:14px;background:color-mix(in srgb,var(--reader-bg) 92%,var(--reader-fg) 8%);color:var(--reader-fg);padding:10px 12px;font-size:18px;display:flex;align-items:center;justify-content:center;gap:7px}
.chapter-navigation button span{font-family:Inter,sans-serif;font-size:11px;font-weight:700}.chapter-navigation button:last-child{grid-column:2}
.chapter-list .ready-chapter small{color:var(--muted);font-weight:500}.chapter-list .ready-chapter b{line-height:1.2}.chapter-list .ready-chapter .round{color:var(--wine);font-size:18px}
.chapter-subhead{text-transform:none;font-size:calc(20px * var(--font-scale));letter-spacing:.005em}
.reader-text p{orphans:3;widows:3}.chapter-art img{max-height:420px;object-fit:cover;object-position:center}
@media(max-width:390px){.chapter-navigation{grid-template-columns:1fr}.chapter-navigation button:last-child{grid-column:1}}


/* --- PSICOLOOP v6: progreso inteligente + navegación de lectura --- */
.chapter-overview{margin:10px 0 14px;padding:14px 15px;border-radius:15px;background:#f8eee8;border:1px solid var(--line)}
.chapter-overview b{display:block;font-size:13px}.chapter-overview small{display:block;margin-top:4px;color:var(--muted);font-size:11px}.chapter-overview .progress{margin:11px 0 0}.overview-mark{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--wine);border:1px solid var(--line);font-weight:800}
.chapter-row-copy{min-width:0}.chapter-row-progress{height:3px;background:#eee2db;border-radius:99px;overflow:hidden;margin-top:7px}.chapter-row-progress i{display:block;height:100%;background:var(--wine);border-radius:99px}.chapter-row.chapter-done .chapter-num{background:var(--wine)}.chapter-row.chapter-done b{color:#574743}.chapter-row.chapter-current{margin:3px -8px;padding-left:8px;padding-right:8px;border-radius:12px;background:#fbf0eb;border-bottom-color:transparent}.chapter-row.chapter-current .chapter-num{box-shadow:0 0 0 2px #fff,0 0 0 3px #c78491}.chapter-row.chapter-current small{color:var(--wine);font-weight:700}
.chapter-complete-card{margin:44px 0 18px;padding:24px 18px 20px;border-radius:20px;text-align:center;background:color-mix(in srgb,var(--reader-bg) 88%,var(--wine) 12%);border:1px solid color-mix(in srgb,var(--reader-fg) 11%,transparent);font-family:Inter,sans-serif}.chapter-complete-card .complete-check{width:44px;height:44px;margin:0 auto 10px;border-radius:50%;display:grid;place-items:center;background:var(--wine);color:#fff;font-weight:800;font-size:20px}.chapter-complete-card>span{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.09em;color:var(--reader-muted)}.chapter-complete-card h3{font-family:Georgia,serif;font-size:25px;margin:5px 0 6px}.chapter-complete-card p{font-family:Georgia,serif;margin:0 0 15px;color:var(--reader-muted);font-size:15px}.chapter-complete-card small{display:block;margin-top:9px;color:var(--reader-muted);line-height:1.35}.continue-next{width:100%;border:0;border-radius:999px;padding:13px 14px;background:var(--wine);color:#fff;font-weight:800;cursor:pointer}.continue-next:active{transform:scale(.985)}
.chapter-navigation{gap:9px;margin-top:18px;padding-top:18px}.chapter-nav-button{min-height:78px!important;padding:10px!important;display:flex!important;justify-content:flex-start!important;text-align:left!important;gap:9px!important;overflow:hidden}.chapter-nav-button.next{justify-content:flex-end!important;text-align:right!important}.chapter-nav-button>b{font-family:Georgia,serif;font-size:26px;flex:0 0 auto}.chapter-nav-button>span{min-width:0;display:block}.chapter-nav-button small,.chapter-nav-button strong,.chapter-nav-button em{display:block}.chapter-nav-button small{font-size:9px!important;color:var(--reader-muted);text-transform:uppercase;letter-spacing:.08em}.chapter-nav-button strong{font-family:Inter,sans-serif;font-size:11px;margin-top:2px}.chapter-nav-button em{font-family:Georgia,serif;font-size:11px;font-style:normal;line-height:1.2;margin-top:3px;color:var(--reader-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:135px}.chapter-nav-button.index em{max-width:150px}
.reader-night .chapter-complete-card{background:#252025}.reader-night .chapter-nav-button{background:#242529}.reader-night .chapter-row-progress{background:#343438}
@media(max-width:390px){.chapter-navigation{grid-template-columns:1fr 1fr}.chapter-nav-button em{max-width:108px}.chapter-complete-card{margin-left:-3px;margin-right:-3px}}
@media(max-width:340px){.chapter-navigation{grid-template-columns:1fr}.chapter-nav-button:last-child{grid-column:1}.chapter-nav-button em{max-width:230px}}


/* --- PSICOLOOP v7: reproductor con navegación por capítulos + portada limpia --- */
.player.page.dark{padding-top:30px;padding-bottom:42px}
.audio-cover-clean{
  width:176px;height:210px;margin:2px auto 18px;padding:22px 15px;
  border-radius:10px;background:#fbf2e5;color:#201a18;
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  border:1px solid rgba(225,194,151,.32);box-shadow:0 12px 32px rgba(0,0,0,.22);
  font-family:Georgia,serif;
}
.audio-cover-clean .audio-cover-brand{font-family:Inter,sans-serif;font-size:8px;letter-spacing:.24em;font-weight:700;margin-bottom:24px;color:#4b3a35}
.audio-cover-clean strong{font-size:23px;line-height:1.03;letter-spacing:-.025em;max-width:150px}
.audio-cover-clean .audio-cover-edition{font-family:Georgia,serif;font-size:11px;font-weight:700;margin-top:12px;color:#4d3a33}
.audio-cover-clean em{font-family:Georgia,serif;font-size:10px;line-height:1.28;font-style:italic;margin-top:7px;color:#5f4b43;max-width:145px}
.audio-chapter-switch{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:24px 0 18px}
.audio-chapter-btn{min-height:60px;border:1px solid #3a3c40;border-radius:14px;background:#17181b;color:#fff;padding:9px 11px;display:flex;align-items:center;gap:9px;text-align:left;transition:transform .14s ease,border-color .14s ease,opacity .14s ease}
.audio-chapter-btn.next{justify-content:flex-end;text-align:right}
.audio-chapter-btn>b{font-family:Georgia,serif;font-size:28px;line-height:1;color:#ffd0c5;flex:0 0 auto}
.audio-chapter-btn span{min-width:0;display:block}
.audio-chapter-btn small,.audio-chapter-btn strong{display:block}
.audio-chapter-btn small{font-family:Inter,sans-serif;font-size:9px;text-transform:uppercase;letter-spacing:.09em;color:#aeb0b4}
.audio-chapter-btn strong{font-family:Inter,sans-serif;font-size:12px;line-height:1.2;margin-top:3px;color:#fff}
.audio-chapter-btn:not(:disabled):active{transform:scale(.98);border-color:#ffd0c5}
.audio-chapter-btn:disabled{opacity:.34;cursor:not-allowed}
.player .demo-note{margin-top:22px}
@media(max-width:360px){
  .audio-cover-clean{width:158px;height:190px;padding:18px 12px}
  .audio-cover-clean strong{font-size:21px}.audio-cover-clean .audio-cover-brand{margin-bottom:18px}
  .audio-chapter-switch{gap:7px}.audio-chapter-btn{padding:8px;min-height:56px}.audio-chapter-btn strong{font-size:11px}
}


/* --- PSICOLOOP v8: audio integrado dentro de cada capítulo --- */
.reader-audio-card{
  margin:4px 0 28px;padding:13px 14px 10px;border-radius:16px;
  border:1px solid color-mix(in srgb,var(--reader-fg) 11%,transparent);
  background:color-mix(in srgb,var(--reader-bg) 91%,var(--wine) 9%);
  box-shadow:0 8px 24px color-mix(in srgb,var(--reader-fg) 7%,transparent);
  font-family:Inter,sans-serif;
}
.reader-audio-head{display:grid;grid-template-columns:44px 1fr auto;gap:10px;align-items:center}
.reader-audio-play{width:44px;height:44px;border:0;border-radius:50%;background:var(--wine);color:#fff;font-size:17px;display:grid;place-items:center;cursor:pointer}
.reader-audio-play:active{transform:scale(.97)}
.reader-audio-copy{min-width:0;text-align:left}.reader-audio-copy b{display:block;font-size:12px;color:var(--reader-fg)}
.reader-audio-copy small{display:block;margin-top:2px;font-size:10px;color:var(--reader-muted);font-variant-numeric:tabular-nums}
.reader-audio-open{border:1px solid color-mix(in srgb,var(--reader-fg) 13%,transparent);background:color-mix(in srgb,var(--reader-bg) 94%,transparent);color:var(--reader-fg);border-radius:999px;padding:8px 10px;font-size:9px;font-weight:700;cursor:pointer}
.reader-audio-seek{width:100%;margin:11px 0 1px;accent-color:var(--wine);cursor:pointer;touch-action:pan-x}
.reader-audio-time{display:flex;justify-content:space-between;font-size:9px;color:var(--reader-muted);font-variant-numeric:tabular-nums}
.reader-night .reader-audio-card{background:#252126;border-color:#40363c;box-shadow:0 8px 24px rgba(0,0,0,.24)}
.reader-night .reader-audio-open{background:#1d1e21;border-color:#414247}
@media(max-width:350px){.reader-audio-head{grid-template-columns:42px 1fr}.reader-audio-open{grid-column:2;justify-self:start;padding:6px 9px}.reader-audio-play{grid-row:1 / span 2}}




/* --- PSICOLOOP v10: reproductor flotante estable durante la lectura --- */
.reader-audio-floating{
  position:fixed;
  left:50%;
  bottom:14px;
  transform:translateX(-50%);
  width:min(calc(100vw - 28px),432px);
  min-height:66px;
  padding:9px 10px;
  display:grid;
  grid-template-columns:42px minmax(0,1fr) 34px;
  gap:9px;
  align-items:center;
  border:1px solid rgba(92,59,64,.16);
  border-radius:16px;
  background:rgba(255,250,244,.97);
  box-shadow:0 12px 34px rgba(52,35,31,.22);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  z-index:999;
  font-family:Inter,sans-serif;
  color:var(--reader-fg);
}
.reader-audio-floating.hidden{display:none!important}
.reader-audio-float-play{
  width:42px;height:42px;border:0;border-radius:50%;display:grid;place-items:center;
  background:var(--wine);color:#fff;font-size:16px;cursor:pointer
}
.reader-audio-float-play:active{transform:scale(.96)}
.reader-audio-float-main{min-width:0;overflow:hidden}
.reader-audio-float-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:2px}
.reader-audio-float-meta b{font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.reader-audio-float-meta span{font-size:9px;color:var(--reader-muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.reader-audio-float-seek{display:block;width:100%;height:20px;margin:0;accent-color:var(--wine);cursor:pointer;touch-action:pan-x}
.reader-audio-float-open{width:34px;height:34px;border-radius:50%;border:1px solid rgba(92,59,64,.15);background:#fffaf4;color:var(--reader-fg);font-size:16px;cursor:pointer}
.reader-audio-floating-active .reading-footer{bottom:90px}
.reader-audio-floating-active .reader.page{padding-bottom:180px}
.reader-night .reader-audio-floating{background:rgba(32,32,36,.97);box-shadow:0 12px 34px rgba(0,0,0,.45);border-color:#414247}
.reader-night .reader-audio-float-open{background:#1d1e21;border-color:#47484d}
@media(max-width:360px){
  .reader-audio-floating{width:calc(100vw - 20px);grid-template-columns:40px minmax(0,1fr) 30px;padding:8px}
  .reader-audio-float-play{width:40px;height:40px}.reader-audio-float-open{width:30px;height:30px}
}
@media(min-width:461px){
  .reader-audio-floating{bottom:34px}
  .reader-audio-floating-active .reading-footer{bottom:110px}
}


/* --- PSICOLOOP v11: lectura y audio sincronizados por secciones --- */
.reader-audio-stages{
  display:flex;gap:4px;width:100%;margin:3px 0 2px;align-items:center
}
.reader-audio-stage{
  appearance:none;-webkit-appearance:none;border:0;padding:0;height:4px;flex:1;border-radius:999px;
  background:color-mix(in srgb,var(--reader-fg) 13%,transparent);cursor:pointer;position:relative;overflow:hidden
}
.reader-audio-stage::after{
  content:"";position:absolute;inset:0;border-radius:inherit;background:var(--wine);transform:scaleX(var(--stage-progress,0));transform-origin:left center;transition:transform .12s linear,opacity .18s ease;opacity:.35
}
.reader-audio-stage.passed::after{transform:scaleX(1);opacity:.55}
.reader-audio-stage.active::after{transform:scaleX(var(--stage-progress,0));opacity:1}
.reader-audio-stage.active{height:6px}
.reader-audio-stages.compact{gap:3px;margin-top:-1px;margin-bottom:0}
.reader-audio-stages.compact .reader-audio-stage{height:3px}
.reader-audio-stages.compact .reader-audio-stage.active{height:5px}
.reader-audio-section-note{font-size:9px;color:var(--reader-muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.reader-night .reader-audio-stage{background:rgba(255,255,255,.15)}

/* V19: navegación rápida superior entre capítulos */
.reader-quick-nav{
  position:sticky;top:64px;z-index:9;width:max-content;margin:-10px auto 10px;
  display:flex;align-items:center;gap:4px;padding:2px 4px;border-radius:999px;
  background:color-mix(in srgb,var(--reader-bg) 90%,transparent);
  border:1px solid color-mix(in srgb,var(--reader-fg) 12%,transparent);
  backdrop-filter:blur(10px);font-family:Inter,sans-serif;
}
.reader-quick-nav button{
  width:28px;height:28px;min-width:28px;border:0;border-radius:50%;
  background:transparent;color:var(--reader-fg);font-family:Georgia,serif;
  font-size:22px;line-height:1;padding:0;display:grid;place-items:center;
}
.reader-quick-nav button:disabled{opacity:.22}
.reader-quick-nav span{font-size:10px;font-weight:800;letter-spacing:.06em;color:var(--reader-muted);min-width:26px;text-align:center}
.chapter-inline-subhead{
  font-family:Inter,sans-serif;font-size:calc(13px * var(--font-scale));line-height:1.35;
  letter-spacing:.055em;text-transform:uppercase;margin:28px 0 14px;color:var(--reader-fg)
}