/* ==========================================================================
   Vale, venga, ¡vamos! — shell stylesheet
   Canonical tokens and chrome from span-design-system.md. Do not invent
   hex values outside :root; the two rgba() literals are the documented
   derived tints for the light-surface speaker pill.
   ========================================================================== */

:root {
  --primary:#007a80; --primary-light:#2e9297; --primary-dark:#006065; --primary-soft:#eef3ec;
  --accent:#a34d22; --accent-light:#e3c8bc; --accent-pale:#f1e6db;
  --white:#ffffff; --warm-white:#fbf9f2; --bg:#f3efe4; --card-bg:#ffffff;
  --neutral-light:#e1dcca; --neutral-mid:#5f5a48; --neutral-dark:#3a372a; --text:#211f16;
  --green:#1c6b33; --green-bg:#dff0e3; --green-bright:#3ba15c;
  --red:#a84418; --red-bg:#f9e7d8; --red-bright:#e0905f;
  /* menu type-icon colors (Dusty scheme, 2026-07-17): lessons use --primary,
     practice uses --accent; these two add the muted activity + game hues.
     Both verified AA on --warm-white (icons are non-text, ≥3:1). */
  --nav-activity:#97710f; --nav-game:#4a6285;
  --shadow-sm:0 2px 8px rgba(56,52,24,0.08);
  --shadow-md:0 4px 18px rgba(56,52,24,0.11);
  --shadow-lg:0 8px 32px rgba(56,52,24,0.13);
  --radius-sm:8px; --radius-md:14px; --radius-lg:20px; --radius-pill:999px;
  --focus-ring:0 0 0 2px var(--white),0 0 0 5px var(--accent);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{font-size:108.3%;} /* 1rem ≈ 13pt at defaults; scales with browser settings (ADA) */
body{font-family:Arial,Helvetica,sans-serif;font-size:1rem;background:var(--bg);color:var(--text);line-height:1.75;height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden;}

/* a11y utilities */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.skip-link{position:absolute;left:-9999px;top:0;z-index:300;background:var(--primary-dark);color:var(--white);font-weight:700;padding:10px 18px;border-radius:0 0 var(--radius-sm) 0;text-decoration:none;}
.skip-link:focus{left:0;}
a:focus-visible,button:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:none;box-shadow:var(--focus-ring);}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important;}
}

/* ===== HEADER ===== */
#site-header{background:var(--primary);border-bottom:4px solid var(--accent);padding:0 16px;display:flex;align-items:center;justify-content:space-between;height:56px;position:relative;z-index:200;flex-shrink:0;}
.hdr-left{display:flex;align-items:center;gap:12px;min-width:0;}
.brand{color:var(--white);font-size:1.077rem;font-weight:bold;letter-spacing:.03em;text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand span{color:var(--white);}
@media(max-width:640px){.hdr-sub{display:none;}#site-header{padding:0 10px;}#voice-indicator{display:none;}#hdr-chapter{display:none;}.hdr-left{gap:8px;}.hdr-right{gap:8px;}}
.hdr-right{display:flex;align-items:center;gap:16px;}
#voice-indicator{font-size:.692rem;color:rgba(255,255,255,.95);font-style:italic;white-space:nowrap;}
#voice-indicator.ready{color:var(--white);font-style:normal;}
.hdr-sub{color:rgba(255,255,255,.95);font-size:.769rem;}
#menu-toggle{background:none;border:2px solid rgba(255,255,255,.35);color:var(--white);width:40px;height:40px;border-radius:var(--radius-sm);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;}
#menu-toggle:hover{border-color:rgba(255,255,255,.75);}
#menu-toggle .ico{width:20px;height:20px;display:block;}

/* ===== LAYOUT ===== */
#layout{flex:1;display:flex;min-height:0;position:relative;}
main{flex:1;min-width:0;overflow-y:auto;display:flex;flex-direction:column;}
main:focus{outline:none;}

/* ===== SIDEBAR MENU ===== */
#book-menu{background:var(--warm-white);border-right:1px solid var(--neutral-light);width:320px;flex-shrink:0;overflow-y:auto;display:flex;flex-direction:column;}
#book-menu.closed{display:none;}
/* quick-links icon row (top of the menu); labels appear as hover/focus tooltips */
.menu-icons{display:flex;justify-content:space-between;gap:6px;padding:10px 14px 8px;border-bottom:1px solid var(--neutral-light);position:sticky;top:0;z-index:5;background:var(--warm-white);}
.menu-icons .mi-right::after{left:auto;right:0;transform:none;}
.mi{position:relative;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;background:none;border-radius:var(--radius-sm);color:var(--primary-dark);cursor:pointer;text-decoration:none;}
.mi svg{width:20px;height:20px;display:block;}
.mi:hover{background:var(--primary-soft);}
/* active/current: a plain light box, no bottom-border treatment */
.mi[aria-current="page"]{background:var(--primary-soft);color:var(--primary-dark);}
.mi::after{content:attr(data-label);position:absolute;top:calc(100% + 4px);left:50%;transform:translateX(-50%);background:var(--neutral-dark);color:var(--white);font-size:.692rem;font-weight:700;padding:3px 9px;border-radius:var(--radius-sm);white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .12s;z-index:60;}
.mi:hover::after,.mi:focus-visible::after{opacity:1;}
.menu-head{padding:14px 18px 8px;font-size:.769rem;font-weight:bold;letter-spacing:.08em;text-transform:uppercase;color:var(--neutral-mid);}
.menu-root{list-style:none;}
.menu-root > li{border-top:1px solid var(--neutral-light);}
.chap-toggle{width:100%;background:none;border:none;font-family:Arial,Helvetica,sans-serif;text-align:left;cursor:pointer;padding:12px 14px 12px 18px;display:flex;align-items:center;gap:10px;font-size:.962rem;color:var(--text);}
.chap-toggle:hover{background:var(--primary-soft);}
.chap-toggle .chap-num{font-size:.692rem;font-weight:bold;letter-spacing:.06em;text-transform:uppercase;display:block;}
.chap-toggle .chap-num.acc-green{color:var(--primary);}
.chap-toggle .chap-num.acc-pumpkin{color:var(--accent);}
.chap-toggle .chap-title{font-weight:700;display:block;line-height:1.3;}
.chap-toggle .chap-count{margin-left:auto;font-size:.769rem;color:var(--neutral-mid);white-space:nowrap;}
.chap-toggle .chev{flex-shrink:0;width:12px;height:12px;transition:transform .15s;color:var(--neutral-mid);}
.chap-toggle.chap-soon{cursor:default;opacity:.6;}
.chap-toggle.chap-soon:hover{background:none;}
.chev-spacer{flex-shrink:0;width:12px;}
.chap-toggle[aria-expanded="true"] .chev{transform:rotate(90deg);}
.chap-panel{padding:0 0 10px;}
.chap-progress{margin:2px 18px 10px;}
.chap-progress .bar{height:8px;background:var(--neutral-light);border-radius:var(--radius-pill);overflow:hidden;}
.chap-progress .fill{height:100%;background:var(--accent);border-radius:var(--radius-pill);width:0;transition:width .25s;}
.chap-progress .lbl{font-size:.692rem;color:var(--neutral-mid);margin-top:2px;}
.menu-list{list-style:none;}
.menu-link{display:flex;align-items:center;gap:8px;padding:8px 14px 8px 30px;text-decoration:none;color:var(--neutral-dark);font-size:.885rem;line-height:1.4;}
.menu-link:hover{background:var(--primary-soft);}
.menu-link[aria-current="page"]{background:var(--primary-soft);border-right:4px solid var(--accent);font-weight:700;color:var(--primary-dark);}
.menu-link .check{flex-shrink:0;width:18px;height:18px;border-radius:var(--radius-pill);border:2px solid var(--neutral-light);display:inline-flex;align-items:center;justify-content:center;font-size:.692rem;font-weight:bold;color:transparent;}
.menu-link.done .check{background:var(--primary);border-color:var(--primary);color:var(--white);}
.menu-link.pinned{font-weight:700;color:var(--primary-dark);}
.menu-link .pin-ico{flex-shrink:0;width:16px;height:16px;color:var(--primary);}
.sub-toggle{width:100%;background:none;border:none;font-family:Arial,Helvetica,sans-serif;text-align:left;cursor:pointer;padding:8px 14px 8px 24px;display:flex;align-items:center;gap:8px;font-size:.885rem;font-weight:700;color:var(--primary);}
.sub-toggle:hover{background:var(--primary-soft);}
.sub-toggle .chev{flex-shrink:0;width:10px;height:10px;transition:transform .15s;}
.sub-toggle[aria-expanded="true"] .chev{transform:rotate(90deg);}
.sub-panel .menu-link{padding-left:44px;}
/* per-item type icons + Vocabulario-folder icon (2026-07-17, Dusty scheme).
   Icon SHAPE distinguishes the type; color is a second, redundant cue (ADA). */
.menu-link .type-ico{flex-shrink:0;width:16px;height:16px;}
.type-ico.t-lesson{color:var(--primary);}
.type-ico.t-practice{color:var(--accent);}
.type-ico.t-activity{color:var(--nav-activity);}
.type-ico.t-game{color:var(--nav-game);}
.sub-toggle .sub-ico{flex-shrink:0;width:16px;height:16px;color:var(--primary);}
.menu-foot{margin-top:auto;border-top:1px solid var(--neutral-light);}
.btn-secondary{padding:7px 18px;border:2px solid var(--primary);background:var(--white);font-size:.846rem;cursor:pointer;font-family:Arial,Helvetica,sans-serif;color:var(--primary);border-radius:var(--radius-pill);font-weight:700;transition:background .14s,color .14s;}
.btn-secondary:hover{background:var(--primary);color:var(--white);}
.btn-danger{border-color:var(--red);color:var(--red);}
.btn-danger:hover{background:var(--red);color:var(--white);}
.glossary-link{display:flex;align-items:center;gap:10px;padding:12px 18px;text-decoration:none;color:var(--primary-dark);font-weight:700;font-size:.962rem;}
.glossary-link:hover{background:var(--primary-soft);}
.glossary-link[aria-current="page"]{background:var(--primary-soft);border-right:4px solid var(--accent);}
.glossary-link .ico{width:16px;height:16px;color:var(--accent);flex-shrink:0;}
#menu-backdrop{display:none;}

/* Mobile: off-canvas menu */
@media(max-width:899px){
  #book-menu{position:fixed;top:56px;left:0;bottom:0;z-index:180;width:min(320px,88vw);box-shadow:var(--shadow-lg);}
  #menu-backdrop.show{display:block;position:fixed;inset:56px 0 0 0;background:rgba(33,31,22,.45);z-index:170;border:none;}
}

/* ===== LANDING ===== */
.view{display:none;}
.view.active{display:block;}
#view-content.active{display:flex;flex-direction:column;flex:1;min-height:0;}
.landing-wrap{max-width:980px;margin:0 auto;padding:2.5rem 1.5rem 4rem;width:100%;}
/* cardless hero: the title IS the hero, teal on warm paper */
.book-hero{text-align:center;padding:2.6rem 1rem .4rem;margin:0 0 1.9rem;}
.book-hero h1{font-size:3.077rem;line-height:1.1;margin-bottom:.7rem;font-weight:800;color:var(--primary);}
.book-hero h1::after{content:'';display:block;width:72px;height:5px;margin:.7rem auto 0;background:var(--accent);border-radius:var(--radius-pill);}
.book-subtitle{font-size:1rem;color:var(--neutral-dark);max-width:56ch;line-height:1.75;margin:0 auto;}
.book-subtitle em{font-style:italic;font-weight:700;color:var(--accent);}
/* continue block: recent progress + one obvious button */
.continue-card{display:flex;align-items:center;gap:1.4rem;flex-wrap:wrap;background:var(--card-bg);border:1px solid var(--neutral-light);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:1.1rem 1.4rem;margin:0 0 2.2rem;}
.continue-info{flex:1;min-width:220px;}
.continue-kicker{font-size:.692rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--neutral-mid);display:block;}
.continue-where{font-size:1.038rem;font-weight:800;color:var(--primary-dark);display:block;margin:.25rem 0 .1rem;line-height:1.4;}
.continue-detail{font-size:.846rem;color:var(--neutral-mid);display:block;}
.continue-progress{display:flex;align-items:center;gap:10px;margin-top:.55rem;}
.continue-progress .bar{flex:1;max-width:280px;height:8px;background:var(--neutral-light);border-radius:var(--radius-pill);overflow:hidden;}
.continue-progress .fill{height:100%;background:var(--accent);border-radius:var(--radius-pill);}
.continue-progress .lbl{font-size:.769rem;color:var(--neutral-mid);white-space:nowrap;}
.continue-btn{flex-shrink:0;display:inline-block;padding:13px 30px;background:var(--accent);color:var(--white);border-radius:var(--radius-pill);font-weight:800;font-size:1rem;text-decoration:none;transition:filter .14s,transform .12s;}
.continue-btn:hover{filter:brightness(1.08);transform:translateY(-1px);}
h2.heading{font-size:1.462rem;font-weight:800;color:var(--primary-dark);margin-bottom:1rem;position:relative;padding-bottom:10px;}
h2.heading::after{content:'';position:absolute;bottom:0;left:0;width:48px;height:4px;background:var(--accent);border-radius:var(--radius-pill);}
.chapter-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.2rem;margin-top:1.4rem;}
/* per-chapter color cards, SOLID variant (the approved look): chapter palette
   rides inline --cc-* variables set by renderLandingCards (span-site-builder.md) */
.chapter-card{display:block;background:var(--cc-p,var(--primary));border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:1.3rem 1.4rem 1.2rem;text-decoration:none;color:var(--white);position:relative;overflow:hidden;transition:box-shadow .15s,transform .15s;}
a.chapter-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.chapter-card .cc-label{font-size:.692rem;font-weight:bold;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.72);display:block;margin-top:.2rem;}
.chapter-card .cc-num{font-size:3.077rem;font-weight:800;line-height:1;display:block;margin:.15rem 0 .35rem;color:var(--white);transition:color .15s;}
a.chapter-card:hover .cc-num{color:var(--cc-al,var(--accent-light));}
.chapter-card .cc-title{font-size:1.154rem;font-weight:800;color:var(--white);line-height:1.25;display:block;}
.chapter-card .cc-emblem{font-size:.846rem;color:rgba(255,255,255,.78);display:block;margin-top:.3rem;line-height:1.45;}
.chapter-card .cc-meta{font-size:.769rem;color:rgba(255,255,255,.75);display:block;margin-top:.7rem;}
.chapter-card .bar{height:6px;background:rgba(255,255,255,.28);border-radius:var(--radius-pill);overflow:hidden;margin-top:.4rem;}
.chapter-card .fill{height:100%;background:var(--cc-ap,var(--accent-pale));border-radius:var(--radius-pill);}
div.chapter-card.soon{cursor:default;}
.coming-soon{font-size:.885rem;color:var(--neutral-mid);margin-top:1.6rem;}

/* ===== CONTENT VIEW ===== */
/* sub-header: breadcrumb only (wraps to a second line when it needs to);
   Anterior/Siguiente live in the thin static page-bar at the bottom */
.content-bar{background:var(--warm-white);border-bottom:1px solid var(--neutral-light);padding:6px 16px;display:flex;flex-direction:column;flex-shrink:0;}
.cb-top{display:flex;align-items:baseline;gap:12px;}
.crumbs{list-style:none;display:flex;align-items:center;flex-wrap:wrap;gap:4px;font-size:.846rem;color:var(--neutral-mid);min-width:0;flex:1;}
.crumbs li{display:flex;align-items:center;gap:4px;}
.crumbs li+li::before{content:'\203A';color:var(--neutral-mid);margin:0 2px;}
.crumbs a{color:var(--primary);text-decoration:none;font-weight:700;}
.crumbs a:hover{text-decoration:underline;}
.crumbs .current{color:var(--primary-dark);font-weight:800;}
/* static prev/next bar pinned to the bottom of the content view:
   Anterior hugs the left end, Siguiente the right */
.page-bar{background:var(--warm-white);border-top:1px solid var(--neutral-light);padding:9px 20px calc(9px + env(safe-area-inset-bottom,0px));display:flex;align-items:center;justify-content:space-between;gap:10px;flex-shrink:0;}
.nav-btn{padding:4px 24px;border:2px solid var(--primary);background:var(--white);font-size:.846rem;cursor:pointer;font-family:Arial,Helvetica,sans-serif;color:var(--primary);border-radius:var(--radius-pill);font-weight:700;transition:background .14s,color .14s;}
.nav-btn:hover:not(:disabled){background:var(--primary);color:var(--white);}
.nav-btn:disabled{opacity:.35;cursor:default;}
.complete-btn{flex-shrink:0;padding:4px 14px;border:1.5px solid var(--neutral-light);background:var(--white);font-size:.769rem;cursor:pointer;font-family:Arial,Helvetica,sans-serif;color:var(--primary);border-radius:var(--radius-pill);font-weight:700;transition:background .14s,color .14s,border-color .14s;}
.complete-btn:hover{border-color:var(--primary);}
.complete-btn:hover{background:var(--primary-soft);}
.complete-btn[aria-pressed="true"]{background:var(--primary);color:var(--white);}
#content-frame{flex:1;width:100%;border:none;background:var(--bg);min-height:0;}
.frame-note{padding:1rem 1.5rem;font-size:.846rem;color:var(--neutral-mid);}

/* ===== LESSON PAGE SUB-LINKS (tabs became pages) ===== */
.page-list{list-style:none;margin:2px 0 6px 26px;border-left:2px solid var(--neutral-light);}
.page-list a.page-link{display:flex;align-items:baseline;gap:8px;padding:5px 10px 5px 12px;font-size:.808rem;color:var(--neutral-dark);text-decoration:none;border-radius:0 var(--radius-sm) var(--radius-sm) 0;line-height:1.45;}
.page-list a.page-link:hover{background:var(--primary-soft);color:var(--primary-dark);}
.page-list a.page-link[aria-current="page"]{background:var(--accent-pale);color:var(--accent);font-weight:700;box-shadow:inset 3px 0 0 var(--accent);}
.page-list .pl-num{flex:none;font-size:.692rem;font-weight:800;color:var(--neutral-mid);width:1.1em;text-align:right;}
.page-list a.page-link[aria-current="page"] .pl-num{color:var(--accent);}
/* per-page viewed indicator: empty ring = not viewed, teal check = viewed */
.page-list a.page-link{align-items:center;}
.page-list .pl-dot{flex:none;width:11px;height:11px;border-radius:50%;border:1.5px solid var(--neutral-light);background:var(--white);position:relative;}
.page-list .pl-dot.seen{border-color:var(--primary);background:var(--primary);}
.page-list .pl-dot.seen::after{content:"";position:absolute;left:2.5px;top:1px;width:3px;height:5px;border:solid var(--white);border-width:0 1.5px 1.5px 0;transform:rotate(45deg);}

/* ===== ACHIEVEMENTS (Logros) ===== */
.logros-wrap{max-width:860px;margin:0 auto;padding:2.5rem 1.5rem 4rem;width:100%;}
.logros-wrap > p{font-size:.962rem;color:var(--neutral-dark);margin:0 0 1.4rem;line-height:1.7;}
.logros-subhead{font-size:1.077rem;font-weight:800;color:var(--primary-dark);margin:2rem 0 .8rem;}
.logros-totals{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;}
.total-box{background:var(--card-bg);border:1px solid var(--neutral-light);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:.9rem 1rem;text-align:center;}
.total-num{display:block;font-size:1.846rem;font-weight:800;color:var(--primary-dark);line-height:1.2;}
.total-lbl{display:block;font-size:.769rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--neutral-mid);margin-top:.15rem;}
.badge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;}
.badge-card{background:var(--card-bg);border:1.5px solid var(--neutral-light);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:1rem 1.2rem;opacity:.72;}
.badge-card.earned{opacity:1;border-color:var(--accent-light);}
.badge-stars{font-size:1.231rem;letter-spacing:3px;color:var(--neutral-light);line-height:1.2;}
.badge-stars .lit{color:var(--accent);}
.badge-name{font-weight:800;color:var(--primary-dark);font-size:1rem;margin-top:.2rem;}
.badge-desc{font-size:.846rem;color:var(--neutral-dark);line-height:1.55;margin-top:.15rem;}
.badge-state{font-size:.769rem;font-weight:700;color:var(--neutral-mid);margin-top:.4rem;}
.settings-btn-row{display:flex;gap:8px;flex-wrap:wrap;}
#import-note{font-size:.769rem;color:var(--primary-dark);font-weight:700;}

/* ===== SETTINGS (Ajustes) ===== */
.ajustes-wrap{max-width:860px;margin:0 auto;padding:2.5rem 1.5rem 4rem;width:100%;}
.ajustes-wrap > p{font-size:.962rem;color:var(--neutral-dark);margin:0 0 1.2rem;line-height:1.7;}
.ajustes-subhead{font-size:1.077rem;font-weight:800;color:var(--primary-dark);margin:2rem 0 .8rem;}
.set-row{display:flex;align-items:center;justify-content:space-between;gap:1.2rem;flex-wrap:wrap;background:var(--card-bg);border:1px solid var(--neutral-light);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:.9rem 1.2rem;margin-bottom:.8rem;}
.set-info{flex:1;min-width:220px;}
.set-name{display:block;font-weight:800;color:var(--primary-dark);font-size:.962rem;}
.set-desc{display:block;font-size:.846rem;color:var(--neutral-mid);margin-top:.15rem;line-height:1.5;}
.set-seg{display:inline-flex;border:2px solid var(--primary);border-radius:var(--radius-pill);overflow:hidden;flex-shrink:0;}
.seg-btn{padding:6px 18px;border:none;background:var(--white);font-size:.846rem;cursor:pointer;font-family:Arial,Helvetica,sans-serif;color:var(--primary);font-weight:700;transition:background .14s,color .14s;}
.seg-btn + .seg-btn{border-left:2px solid var(--primary);}
.seg-btn:hover{background:var(--primary-soft);}
.seg-btn[aria-pressed="true"]{background:var(--primary);color:var(--white);cursor:default;}
.set-note{font-size:.846rem;color:var(--neutral-mid);margin:.2rem 0 0;line-height:1.6;}

/* increased-contrast mode: same palette family, pushed further apart.
   Applied as a class on <html> by shell.js (qc-settings-v1). */
html.hc{
  --bg:#ffffff; --warm-white:#ffffff; --card-bg:#ffffff;
  --text:#000000; --neutral-dark:#14120a; --neutral-mid:#454130; --neutral-light:#9c9680;
  --primary:#005a5f; --primary-light:#00767c; --primary-dark:#003f43;
  --accent:#8a3a14; --green:#124b23; --red:#8a3410;
  --nav-activity:#6f5300; --nav-game:#33475f;
}
html.hc #content-frame{filter:contrast(1.12);}

/* ===== GLOSSARY ===== */
.glossary-wrap{max-width:860px;margin:0 auto;padding:2.5rem 1.5rem 4rem;width:100%;}
.glossary-search{margin:1.2rem 0 1.8rem;}
.glossary-search label{display:block;font-size:.846rem;font-weight:700;color:var(--neutral-dark);margin-bottom:.35rem;}
.glossary-search input{width:100%;max-width:420px;padding:10px 16px;font-size:1rem;font-family:Arial,Helvetica,sans-serif;border:2px solid var(--neutral-light);border-radius:var(--radius-pill);background:var(--white);color:var(--text);}
.glossary-search input:focus-visible{border-color:var(--primary);}
.glossary-controls{display:flex;flex-wrap:wrap;gap:18px;margin:0 0 1.4rem;}
.gloss-control{display:flex;flex-direction:column;gap:.35rem;}
.gloss-control label{font-size:.846rem;font-weight:700;color:var(--neutral-dark);}
.gloss-control select{padding:8px 14px;font-size:.95rem;font-family:Arial,Helvetica,sans-serif;border:2px solid var(--neutral-light);border-radius:var(--radius-pill);background:var(--white);color:var(--text);cursor:pointer;min-width:200px;}
.gloss-control select:focus-visible{border-color:var(--primary);outline:none;}
.gloss-count{font-size:.846rem;color:var(--neutral-mid);margin-bottom:1rem;}
.gloss-chapter-head{font-size:1.077rem;font-weight:800;color:var(--primary-dark);margin:1.8rem 0 .6rem;}
.gloss-list{list-style:none;}
.gloss-entry{background:var(--card-bg);border:1px solid var(--neutral-light);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:.85rem 1.2rem;margin-bottom:.7rem;}
.gloss-term{font-style:italic;font-weight:700;color:var(--primary-dark);font-size:1.038rem;}
.gloss-en{color:var(--neutral-dark);}
.gloss-ej{font-size:.885rem;color:var(--neutral-mid);margin-top:.2rem;}
.gloss-ej em{color:var(--neutral-dark);}
.gloss-ref{font-size:.769rem;margin-top:.3rem;}
.gloss-ref a{color:var(--primary);font-weight:700;text-decoration:none;}
.gloss-ref a:hover{text-decoration:underline;}
.gloss-empty{color:var(--neutral-mid);font-size:.923rem;padding:1rem 0;}

/* ===== SPEAK PILL (shell surfaces are all light: green-tint treatment) ===== */
.speak-pill{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:var(--radius-pill);background:rgba(0,122,128,.12);border:none;cursor:pointer;margin-left:8px;vertical-align:middle;transition:opacity .12s,background .12s;flex-shrink:0;color:var(--primary-dark);}
.speak-pill .ico{width:14px;height:14px;display:block;}
.speak-pill:hover{background:rgba(0,122,128,.2);}
.speak-pill.speaking{background:var(--accent-pale);animation:speakPulse .7s ease infinite alternate;}
@keyframes speakPulse{from{opacity:.7;}to{opacity:1;}}

/* ===== PRINT ===== */
@media print{
  body{height:auto;overflow:visible;display:block;background:var(--white);}
  #site-header,#book-menu,#menu-backdrop,.skip-link,.page-bar,.speak-pill,.glossary-search{display:none!important;}
  main{overflow:visible;height:auto;}
  .book-hero{background:none;color:var(--text);box-shadow:none;border:2px solid var(--neutral-dark);margin-left:0;}
  .book-hero::before,.book-hero h1::after{display:none!important;}
  .book-subtitle{color:var(--neutral-dark);}
  .chapter-card,.gloss-entry{box-shadow:none;}
}

/* ---------- study tools (flashcard builder / conjugator): frame only, no content bar ---------- */
body.tool-mode .content-bar{display:none;}
body.tool-mode .page-bar{display:none;}
body.tool-mode #content-frame{border-top:none;}

/* ---------- per-chapter icons (2026-07-12) ---------- */
.cc-icon{position:absolute;top:1.05rem;right:1.1rem;width:34px;height:34px;color:var(--white);opacity:.9;}
a.chapter-card:hover .cc-icon{color:var(--accent-light);}
.chap-icon{width:17px;height:17px;flex:none;color:var(--primary);align-self:center;}
.chap-toggle.chap-soon .chap-icon{color:var(--neutral-mid);}

/* ---------- current chapter label in the top bar (2026-07-12) ---------- */
#hdr-chapter{color:var(--accent-light);font-size:.846rem;font-weight:600;margin-left:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:38vw;}
#hdr-chapter:empty{display:none;}

/* ---------- chapter landing view (2026-07-12) ---------- */
.ch-hero{background:var(--primary);color:var(--white);padding:2rem 2.2rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);margin-bottom:1.6rem;display:flex;align-items:flex-start;gap:1.2rem;}
.ch-hero .ch-ico{width:44px;height:44px;flex:none;color:var(--accent-light);margin-top:.2rem;}
.ch-hero .ch-label{font-size:.692rem;font-weight:bold;letter-spacing:.09em;text-transform:uppercase;color:rgba(255,255,255,.72);display:block;}
.ch-hero h2{font-size:1.769rem;font-weight:800;line-height:1.15;margin:.15rem 0 .3rem;}
.ch-hero h2::after{content:"";display:block;width:56px;height:5px;margin-top:.55rem;background:var(--accent-light);border-radius:var(--radius-pill);}
.ch-hero-line{font-size:.923rem;color:rgba(255,255,255,.92);line-height:1.65;margin:.6rem 0 0;max-width:64ch;}
.ch-hero-tag{display:inline-block;font-size:.692rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--primary-dark);background:var(--accent-pale);padding:2px 10px;border-radius:var(--radius-pill);margin-right:.55rem;}
.ch-hero .ch-emblem{font-size:.962rem;color:rgba(255,255,255,.85);}
.ch-start-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:1.8rem;}
.ch-start{display:inline-block;background:var(--accent);color:var(--white);font-weight:700;font-size:.962rem;padding:11px 28px;border-radius:var(--radius-pill);text-decoration:none;box-shadow:var(--shadow-sm);}
.ch-start:hover{box-shadow:var(--shadow-md);}
.ch-progress-note{font-size:.846rem;color:var(--neutral-mid);}

/* ---------- numbered learning path: part bands linked by a spine ---------- */
.ch-path{position:relative;margin-top:.4rem;}
/* the spine: a single vertical line running through the step numbers */
.ch-path::before{content:"";position:absolute;left:15px;top:16px;bottom:16px;width:2px;background:var(--neutral-light);}
.ch-part{position:relative;padding-left:48px;margin-bottom:1.6rem;}
.ch-part:last-child{margin-bottom:.4rem;}
/* step number sits on the spine; the ring masks the line behind it */
.ch-step{position:absolute;left:0;top:-1px;width:32px;height:32px;border-radius:50%;background:var(--primary);color:var(--white);font-weight:800;font-size:1rem;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 5px var(--bg);}
.ch-part.part-done .ch-step{background:var(--green);}
.ch-part-head{min-height:32px;display:flex;flex-direction:column;justify-content:center;margin-bottom:.7rem;}
.ch-part-kicker{font-size:.692rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--accent);}
.ch-part-title{font-size:1.077rem;font-weight:800;color:var(--primary-dark);line-height:1.2;}
.ch-part-items{display:flex;flex-direction:column;gap:8px;}
.ch-item{display:flex;align-items:center;gap:12px;background:var(--card-bg);border:1px solid var(--neutral-light);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:.7rem 1rem;text-decoration:none;color:var(--text);transition:box-shadow .12s,transform .12s;}
.ch-item:hover{box-shadow:var(--shadow-md);transform:translateY(-1px);color:var(--primary-dark);}
.ci-dot{margin-top:1px;}
/* type icon on the chapter-landing item rows (mirrors the menu, Dusty scheme) */
.ch-item .ci-ico{flex-shrink:0;width:20px;height:20px;align-self:center;}
.ci-ico.t-lesson,.ci-ico.t-flashcards{color:var(--primary);}
.ci-ico.t-practice{color:var(--accent);}
.ci-ico.t-activity{color:var(--nav-activity);}
.ci-ico.t-game{color:var(--nav-game);}
.ci-main{flex:1;min-width:0;}
.ci-kind{display:block;font-size:.692rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--neutral-mid);margin-bottom:.1rem;}
.ci-title{display:block;font-size:.923rem;font-weight:600;line-height:1.35;}
.ci-status{flex-shrink:0;font-size:.708rem;font-weight:700;padding:2px 10px;border-radius:var(--radius-pill);white-space:nowrap;}
.ci-status.s-none{color:var(--neutral-mid);background:var(--neutral-light);}
.ci-status.s-open{color:var(--accent);background:var(--accent-pale);}
.ci-status.s-done{color:var(--green);background:var(--green-bg);}

/* ---------- clickable progress dots + profile (2026-07-12) ---------- */
.ml-row{display:flex;align-items:center;gap:8px;min-width:0;padding-left:14px;}
.sub-panel .ml-row{padding-left:30px;}
.ml-row .menu-link{flex:1;min-width:0;padding-left:0;}
.sub-panel .ml-row .menu-link{padding-left:0;}
/* three unmistakable states: unopened = muted empty ring; opened = teal
   half-fill; finished = full teal fill with a white check. Also used
   read-only on the chapter landing rows (.ci-dot shares these classes). */
.prog-dot{flex-shrink:0;width:16px;height:16px;border-radius:50%;border:2px solid var(--neutral-light);background:var(--white);cursor:pointer;padding:0;position:relative;overflow:hidden;}
.prog-dot::after{content:"";position:absolute;top:0;bottom:0;left:0;width:0;background:var(--primary);transition:width .15s;}
.prog-dot.half{border-color:var(--primary);}
.prog-dot.half::after{width:50%;}
.prog-dot.full{border-color:var(--primary);}
.prog-dot.full::after{width:100%;}
.prog-dot.full::before{content:"";position:absolute;z-index:1;left:4.5px;top:1.5px;width:4px;height:8px;border:solid var(--white);border-width:0 2px 2px 0;transform:rotate(45deg);}
.prog-dot:hover{box-shadow:0 0 0 3px var(--primary-soft);}
/* read-only status dot on the chapter landing rows */
.ci-dot{cursor:default;}
.ci-dot:hover{box-shadow:none;}
.pp-row{display:flex;align-items:center;gap:12px;background:var(--card-bg);border:1px solid var(--neutral-light);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:.65rem 1rem;margin-bottom:8px;text-decoration:none;color:var(--text);}
.pp-row:hover{box-shadow:var(--shadow-md);}
.pp-num{flex-shrink:0;width:30px;height:30px;border-radius:50%;background:var(--primary-soft);color:var(--primary-dark);font-weight:800;font-size:.885rem;display:inline-flex;align-items:center;justify-content:center;}
.pp-mid{flex:1;min-width:0;}
.pp-title{display:block;font-weight:700;font-size:.885rem;margin-bottom:.3rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.pp-track{display:block;height:8px;background:var(--neutral-light);border-radius:var(--radius-pill);position:relative;overflow:hidden;}
.pp-fill-open{position:absolute;top:0;bottom:0;left:0;background:var(--primary-light);opacity:.45;border-radius:var(--radius-pill);}
.pp-fill-done{position:absolute;top:0;bottom:0;left:0;background:var(--primary);border-radius:var(--radius-pill);}
.pp-count{flex-shrink:0;font-size:.808rem;font-weight:700;color:var(--primary-dark);}

/* ---------- accounts: header button + dropdown + #cuenta view (site-builder v4.9) ---------- */
#account-wrap{position:relative;display:flex;align-items:center;}
#account-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:none;background:none;color:var(--white);border-radius:var(--radius-sm);cursor:pointer;transition:background .14s;}
#account-btn svg{width:22px;height:22px;display:block;}
#account-btn:hover,#account-btn[aria-expanded="true"]{background:var(--primary-dark);}
#account-dropdown{position:absolute;top:calc(100% + 12px);right:0;min-width:236px;background:var(--card-bg);border:1px solid var(--neutral-light);border-top:3px solid var(--accent);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:8px;z-index:300;}
#account-dropdown[hidden]{display:none;}
.acct-item{display:block;width:100%;text-align:left;padding:10px 12px;border:none;background:none;font-family:Arial,Helvetica,sans-serif;font-size:.885rem;font-weight:700;color:var(--primary-dark);border-radius:var(--radius-sm);cursor:pointer;text-decoration:none;box-sizing:border-box;}
.acct-item:hover{background:var(--primary-soft);}
.acct-info{padding:10px 12px 10px;border-bottom:1px solid var(--neutral-light);margin-bottom:6px;}
.acct-name{display:block;font-weight:800;font-size:.925rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.acct-email{display:block;font-size:.808rem;color:var(--neutral-mid);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px;}
.acct-role{display:inline-block;margin-top:7px;font-size:.73rem;font-weight:700;color:var(--primary-dark);background:var(--primary-soft);padding:2px 10px;border-radius:var(--radius-pill);}
.acct-note{padding:10px 12px;font-size:.83rem;color:var(--neutral-mid);line-height:1.5;}
.cuenta-wrap{max-width:540px;margin:0 auto;padding:2.5rem 1.5rem 4rem;width:100%;}
.cuenta-card{background:var(--card-bg);border:1px solid var(--neutral-light);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:1.6rem;}
.cuenta-intro{font-size:.962rem;color:var(--neutral-dark);margin:0 0 1.2rem;line-height:1.7;}
.cuenta-field{margin-bottom:1rem;}
.cuenta-field label{display:block;font-weight:700;font-size:.885rem;color:var(--neutral-dark);margin-bottom:.35rem;}
.cuenta-field input{width:100%;box-sizing:border-box;padding:10px 14px;font-size:1rem;font-family:Arial,Helvetica,sans-serif;border:2px solid var(--neutral-light);border-radius:var(--radius-sm);background:var(--white);color:var(--text);}
.cuenta-field input:focus-visible{border-color:var(--primary);outline:none;box-shadow:none;}
.acct-submit{padding:10px 26px;border:none;background:var(--primary);color:var(--white);font-size:.925rem;cursor:pointer;font-family:Arial,Helvetica,sans-serif;border-radius:var(--radius-pill);font-weight:800;transition:background .14s;}
.acct-submit:hover{background:var(--primary-dark);}
.acct-submit[disabled]{opacity:.6;cursor:wait;}
.cuenta-msg{margin:.9rem 0 0;font-size:.885rem;line-height:1.5;font-weight:700;}
.cuenta-msg.err{color:var(--red);}
.cuenta-msg.ok{color:var(--green);}
.cuenta-switch{margin-top:1.2rem;font-size:.885rem;color:var(--neutral-mid);}
.cuenta-switch button{border:none;background:none;padding:0;font:inherit;font-weight:800;color:var(--primary-dark);cursor:pointer;text-decoration:underline;}
.acct-code-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:9px;padding:8px 10px;background:var(--primary-soft);border-radius:var(--radius-sm);}
.acct-code-wrap{display:flex;flex-direction:column;min-width:0;}
.acct-code-label{font-size:.692rem;font-weight:700;color:var(--neutral-mid);text-transform:uppercase;letter-spacing:.04em;}
.acct-code{font-family:"Courier New",monospace;font-size:1.08rem;font-weight:800;color:var(--primary-dark);letter-spacing:.14em;}
.acct-copy{flex-shrink:0;padding:5px 14px;border:2px solid var(--primary);background:var(--white);font-size:.769rem;cursor:pointer;font-family:Arial,Helvetica,sans-serif;color:var(--primary);border-radius:var(--radius-pill);font-weight:700;transition:background .14s,color .14s;}
.acct-copy:hover{background:var(--primary);color:var(--white);}
.acct-class-name{font-weight:800;font-size:.925rem;color:var(--primary-dark);}
.acct-class-teacher{font-size:.808rem;color:var(--neutral-mid);}
a.acct-submit{text-decoration:none;display:inline-block;}
.acct-submit-alt{background:var(--accent);}
.acct-submit-alt:hover{filter:brightness(.92);background:var(--accent);}
.perfil-acct-card{margin:0 0 1.6rem;}
.perfil-signout{margin-top:1.3rem;}
.join-head{font-size:.962rem;font-weight:800;color:var(--neutral-dark);margin:1.2rem 0 .6rem;}
.join-wrap{max-width:420px;}
.join-results{display:flex;flex-direction:column;gap:8px;margin-top:12px;}
.join-section{display:flex;align-items:center;gap:10px;text-align:left;padding:12px 16px;border:2px solid var(--neutral-light);background:var(--white);border-radius:var(--radius-sm);cursor:pointer;font-family:Arial,Helvetica,sans-serif;font-size:.925rem;transition:border-color .14s,background .14s;}
.join-section:hover{border-color:var(--primary);background:var(--primary-soft);}
.join-section[disabled]{opacity:.6;cursor:wait;}
.js-name{font-weight:800;color:var(--primary-dark);}
.js-course{color:var(--neutral-mid);font-size:.83rem;}
.clase-wrap a{color:var(--primary-dark);font-weight:700;}
.roster-table{width:100%;border-collapse:collapse;margin:0 0 1rem;background:var(--card-bg);border:1px solid var(--neutral-light);border-radius:var(--radius-sm);overflow:hidden;}
.roster-table th{text-align:left;background:var(--primary-soft);color:var(--primary-dark);font-size:.846rem;padding:10px 14px;border-bottom:2px solid var(--neutral-light);}
.roster-table td{padding:10px 14px;border-bottom:1px solid var(--neutral-light);font-size:.925rem;}
.roster-table tr:last-child td{border-bottom:none;}
a.join-section{text-decoration:none;}
.perfil-tabs{display:flex;gap:30px;margin-bottom:1.5rem;}
.perfil-tab{position:relative;background:none;border:none;cursor:pointer;font-family:Arial,Helvetica,sans-serif;font-size:1.462rem;font-weight:800;color:var(--neutral-mid);padding:0 0 10px;}
.perfil-tab:hover{color:var(--primary-dark);}
.perfil-tab.active{color:var(--primary-dark);cursor:default;}
.perfil-tab.active::after{content:'';position:absolute;bottom:0;left:0;width:48px;height:4px;background:var(--accent);border-radius:var(--radius-pill);}

/* ---------- breadcrumb trail collapse (site-builder v4.14.2) ---------- */
#crumb-hide{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border:none;background:none;color:var(--neutral-mid);border-radius:var(--radius-sm);cursor:pointer;flex-shrink:0;align-self:center;}
#crumb-hide:hover{color:var(--primary-dark);background:var(--primary-soft);}
#crumb-hide svg{width:15px;height:15px;display:block;transition:transform .15s;}
body.crumbs-hidden #crumb-hide svg{transform:rotate(180deg);}
body.crumbs-hidden .crumbs li:not(:first-child){display:none;}

/* ---------- header settings + site search (site-builder v4.16) ---------- */
#hdr-settings{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;color:var(--white);border-radius:var(--radius-sm);transition:background .14s;}
#hdr-settings:hover,#hdr-settings[aria-current="page"]{background:var(--primary-dark);}
#hdr-settings svg{width:20px;height:20px;display:block;}
.search-hit{display:flex;align-items:center;gap:12px;background:var(--card-bg);border:1px solid var(--neutral-light);border-radius:var(--radius-sm);padding:10px 14px;margin-bottom:8px;text-decoration:none;color:var(--text);transition:border-color .14s,background .14s;}
.search-hit:hover{border-color:var(--primary);background:var(--warm-white);}
.search-hit .ci-ico{flex-shrink:0;}
.sh-mid{display:flex;flex-direction:column;min-width:0;}
.sh-kind{font-size:.692rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--accent);}
.sh-title{font-weight:700;color:var(--primary-dark);line-height:1.4;}
.sh-ctx{font-size:.769rem;color:var(--neutral-mid);line-height:1.5;}
.sh-es{font-weight:800;color:var(--primary-dark);}