/* TutorSyntax v27.8 — third book & 100 challenge companion. Independent, accessible, responsive. */
.ts100-eyebrow{display:block;color:#087d89;font-size:.76rem;font-weight:850;letter-spacing:.13em;text-transform:uppercase;margin-bottom:.65rem}
.ts100-subtitle{font-size:1.25rem;font-weight:740;color:#5a41aa;margin:.3rem 0 1.1rem}
.ts100-note{font-size:.86rem;color:#43566b;background:#eef5fa;border-left:3px solid #16b7c8;padding:.72rem .9rem;border-radius:0 8px 8px 0;margin:1.1rem 0 0}
.ts100-actions{display:flex;align-items:center;flex-wrap:wrap;gap:1rem;margin-top:1.25rem}
.ts100-actions .btn{background:#07b9c9;color:#00192d;border:0;font-weight:850;text-decoration:none;box-shadow:0 7px 18px rgba(5,90,105,.14)}
.ts100-actions .btn:hover,.ts100-actions .btn:focus-visible{background:#00d9e0;color:#00192d}
.ts100-text-link,.ts100-ghost{font-weight:750;text-underline-offset:4px;color:#065c88}
.ts100-cover{position:relative;display:flex;flex-direction:column;justify-content:space-between;isolation:isolate;overflow:hidden;aspect-ratio:8.5 / 11;max-width:245px;width:100%;padding:1.1rem 1rem;background:linear-gradient(154deg,#07172d 0%,#14275a 55%,#452171 100%);color:#f9fbff;border-radius:6px;box-shadow:10px 14px 26px rgba(0,15,40,.2);font-family:inherit}
.ts100-cover:before{content:"";position:absolute;z-index:-1;width:180%;height:80%;border:1px solid rgba(25,214,226,.5);border-radius:50%;transform:rotate(-28deg);top:25%;left:-30%;box-shadow:0 0 0 18px rgba(21,199,217,.07),0 0 0 50px rgba(121,102,220,.065)}
.ts100-cover-kicker{font-size:.52rem;letter-spacing:.13em;font-weight:850;color:#87ebfa;line-height:1.45}
.ts100-cover-number{font-size:clamp(4rem,6vw,6rem);line-height:.8;color:#47eddb;letter-spacing:-.07em;margin-top:.5rem}
.ts100-cover-title{font-size:1.4rem;font-weight:950;letter-spacing:-.035em;line-height:1.05;text-wrap:balance}
.ts100-cover-subtitle{font-size:.72rem;font-weight:750;color:#e8cbff}
.ts100-cover-author{font-size:.67rem;font-weight:800;letter-spacing:.12em;color:#fff}
.ts100-art-note,.ts100-hero-cover figcaption{text-align:center;font-size:.72rem;color:#516376;max-width:245px;margin-top:.7rem}
.ts100-book-feature,.ts100-home-grid{display:grid;grid-template-columns:minmax(155px,245px) minmax(0,1fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:center;max-width:1080px}
.ts100-book-art,.ts100-home-art{display:flex;flex-direction:column;align-items:center}
.ts100-book-info h2,.ts100-home-copy h2{font-size:clamp(1.75rem,3.5vw,2.65rem);line-height:1.12;margin:.2rem 0 1rem;color:#10224a}
.ts100-book-info p,.ts100-home-copy p{line-height:1.7;max-width:650px}
.ts100-home-section{background:linear-gradient(115deg,#eaf8fa,#f1edfb)}
.ts100-home-section .ts100-cover{max-width:190px}
.ts100-mini{display:flex;align-items:center;gap:2rem;justify-content:space-between}
.ts100-mini h2{font-size:clamp(1.35rem,3vw,2rem);margin:.3rem 0}
.ts100-mini p{max-width:670px;line-height:1.65}
.ts100-sol-note{margin:1.5rem 0 0;padding:1.5rem;background:#edf9f8;border:1px solid #9cdee0;border-radius:15px}
.ts100-sol-note h2{margin:0 0 .5rem;color:#173157}
.ts100-book-hero,.ts100-tracker-hero{background:linear-gradient(120deg,#07152d,#132e59 63%,#261d57);color:#f7fbff;padding:clamp(2rem,4vw,4rem) 0}
.ts100-book-hero .ts100-eyebrow,.ts100-tracker-hero .ts100-eyebrow{color:#53e5ec}
.ts100-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:clamp(1.5rem,5vw,5rem);align-items:center}
.ts100-hero-copy h1,.ts100-tracker-hero h1{font-size:clamp(2.15rem,4.7vw,3.8rem);line-height:1.1;color:#fff;margin:.25rem 0 1rem;max-width:700px}
.ts100-hero-copy>p,.ts100-tracker-hero>div>p{color:#e0ecf6;line-height:1.7;max-width:690px;font-size:1.06rem}
.ts100-hero-copy .ts100-hero-sub{color:#72e2ef;font-weight:800;font-size:1.5rem;margin:.4rem 0 1rem}
.ts100-byline{font-weight:700;color:#d8e6f0}
.ts100-hero-copy .ts100-ghost,.ts100-tracker-hero .ts100-ghost{color:#bbf1f5}
.ts100-hero-copy .ts100-launch{border:1px solid #5b7c9d;border-radius:10px;padding:.8rem 1rem;margin-top:1.6rem;color:#e9f2f9;font-size:.9rem}
.ts100-hero-cover{display:flex;flex-direction:column;align-items:center;margin:0}
.ts100-hero-cover .ts100-cover{max-width:220px;box-shadow:9px 17px 32px #02091577}
.ts100-hero-cover figcaption{color:#a9bacd}
.ts100-reading{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(240px,.8fr);gap:3rem;align-items:start}
.ts100-reading h2,.ts100-support h2,.ts100-section-head h2,.ts100-next h2{color:#142449;font-size:clamp(1.55rem,3vw,2.2rem)}
.ts100-reading p,.ts100-support p,.ts100-next p{line-height:1.7}
.ts100-style-tags{display:flex;flex-wrap:wrap;gap:.55rem;margin:1.15rem 0}
.ts100-style-tags span{padding:.5rem .7rem;border:1px solid #87d4e2;background:#e6f8fc;border-radius:6px;color:#073e59;font-size:.85rem;font-weight:750}
.ts100-facts{background:#f0f4fb;padding:1.2rem 1.4rem;border-radius:14px}
.ts100-facts h3{margin:.1rem 0 1.2rem}
.ts100-facts dl{margin:0}.ts100-facts dl div{display:flex;align-items:center;gap:1rem;margin:.4rem 0}.ts100-facts dt{font-weight:900;font-size:2.05rem;color:#1475a8;min-width:52px}.ts100-facts dd{margin:0}
.ts100-section-head{max-width:760px;margin-bottom:1.5rem}.ts100-section-head p{line-height:1.6}
.ts100-chapter-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem}
.ts100-chapter-card{display:flex;flex-direction:column;gap:.3rem;text-decoration:none;background:#fff;border:1px solid #cfdfef;border-radius:13px;padding:1.1rem;box-shadow:0 2px 12px rgba(11,32,62,.055);transition:transform .15s ease,border-color .15s ease}
.ts100-chapter-card:hover,.ts100-chapter-card:focus-visible{transform:translateY(-2px);border-color:#12bfca}
.ts100-chapter-card>span:first-child{font-size:.73rem;letter-spacing:.045em;font-weight:800;color:#07888f}
.ts100-chapter-card strong{color:#122b53;font-size:1.06rem}
.ts100-chapter-card small{font-size:.85rem;color:#415b70;line-height:1.55}
.ts100-card-action{font-size:.83rem;margin-top:auto;padding-top:.45rem;color:#155d90;font-weight:850}
.ts100-support{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(240px,.8fr);gap:2rem;align-items:center}
.ts100-support-side{background:#fff;border-radius:14px;padding:1.3rem;box-shadow:0 3px 18px #0b264719}
.ts100-support-side h3{margin:0 0 .8rem}.ts100-support-side .btn{display:inline-flex;margin:.7rem 0}
.ts100-support-side .ts100-text-link{display:block}
.ts100-next-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.ts100-next-grid a{display:flex;flex-direction:column;gap:.7rem;color:#1c3b58;padding:1.15rem;background:#f1f7fa;border:1px solid #d4e5ed;border-radius:12px;text-decoration:none}
.ts100-next-grid strong{font-size:1.05rem;color:#152d54}.ts100-next-grid span{font-size:.88rem;line-height:1.55}.ts100-next-grid em{margin-top:auto;font-size:.86rem;color:#0c719b;font-style:normal;font-weight:800}
.ts100-tracker-hero h1{max-width:none}
.ts100-tracker-progress{max-width:780px;background:#102d50;padding:1rem 1.2rem;border:1px solid #437196;border-radius:12px;margin:1.6rem 0 1rem}
.ts100-total-line{display:flex;align-items:center;justify-content:space-between;gap:.6rem;margin-bottom:.6rem}.ts100-total-line strong{color:#fff}.ts100-total-line span{font-weight:850;color:#7feeea}
.ts100-bar{height:13px;border-radius:10px;overflow:hidden;background:#365775;border:1px solid #6284a7}.ts100-bar span{display:block;height:100%;width:0%;background:linear-gradient(90deg,#15d3df,#a5f18e);transition:width .18s ease}
.ts100-tracker-hero .ts100-privacy{font-size:.81rem!important;color:#c5daea!important;margin:.7rem 0 0}
.ts100-action-btn{border:0;min-height:44px;cursor:pointer;border-radius:8px;padding:.75rem 1.15rem;color:#051f36;background:#4ce2dc;font-weight:800}
.ts100-reset-btn{border:1px solid #9cb7d0;min-height:44px;cursor:pointer;border-radius:8px;padding:.75rem 1.15rem;background:transparent;color:#fff;font-weight:750}
.ts100-tracker-note{border-left:4px solid #17b7c6;background:#e8f8fb;padding:.9rem 1.2rem;margin-bottom:1.5rem;color:#163047;line-height:1.65}
.ts100-tracker-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.15rem;align-items:stretch}
.ts100-tracker-chapter{background:#fff;border:1px solid #cbdbe9;box-shadow:0 4px 16px #0924400c;border-radius:13px;padding:1.3rem;scroll-margin-top:155px}
.ts100-tracker-heading{display:flex;flex-wrap:wrap;gap:.7rem;justify-content:space-between;align-items:flex-start;margin-bottom:1.1rem}
.ts100-tracker-heading span{font-size:.68rem;font-weight:900;letter-spacing:.07em;color:#0d8992}.ts100-tracker-heading h2{font-size:1.22rem;line-height:1.25;color:#17294a;margin:.25rem 0}
.ts100-chapter-count{font-size:.8rem;color:#274563;background:#ebf5fc;padding:.35rem .55rem;border-radius:6px;white-space:nowrap}
.ts100-tasks{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.5rem}
.ts100-task{position:relative;min-height:48px;border:1px solid #bdd5e5;border-radius:9px;background:#eff6fb;color:#0c2e4b;font-size:1rem;font-weight:850;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.15rem}
.ts100-task:hover,.ts100-task:focus-visible{border-color:#0e949f;background:#e0fafa}
.ts100-task[aria-pressed="true"]{background:#086b6e;color:#fff;border-color:#086b6e}
.ts100-tick{display:none;font-size:.76rem}.ts100-task[aria-pressed="true"] .ts100-tick{display:inline}
.ts100-tracker-foot{margin-top:2rem;font-size:.9rem}
@media(max-width:900px){.ts100-hero-grid{grid-template-columns:minmax(0,1fr) 190px}.ts100-tracker-grid{grid-template-columns:1fr 1fr;gap:.7rem}.ts100-tracker-chapter{padding:.9rem}}
@media(max-width:700px){.ts100-book-feature,.ts100-home-grid{grid-template-columns:1fr;gap:1.2rem}.ts100-book-art,.ts100-home-art{order:-1}.ts100-book-art .ts100-cover{max-width:155px}.ts100-home-section .ts100-cover{max-width:132px}.ts100-hero-grid{grid-template-columns:1fr}.ts100-hero-cover{order:-1}.ts100-hero-cover .ts100-cover{max-width:135px}.ts100-hero-cover figcaption{max-width:200px}.ts100-book-hero{padding:2rem 0}.ts100-reading,.ts100-support{grid-template-columns:1fr;gap:1.1rem}.ts100-chapter-grid,.ts100-tracker-grid,.ts100-next-grid{grid-template-columns:1fr}.ts100-mini{flex-direction:column;align-items:flex-start;gap:1rem}.ts100-tracker-chapter{scroll-margin-top:85px}}
@media(max-width:420px){.ts100-tracker-chapter{padding:.8rem}.ts100-tasks{gap:.35rem}.ts100-task{min-height:46px}.ts100-actions{gap:.65rem}.ts100-actions>*{max-width:100%}}
@media(prefers-reduced-motion:reduce){.ts100-chapter-card,.ts100-bar span{transition:none}}
@media print{.site-header,.site-footer,.ts100-tracker-hero .ts100-actions{display:none!important}.ts100-tracker-grid{display:block}.ts100-tracker-chapter{break-inside:avoid;box-shadow:none;margin-bottom:.5rem}.ts100-task{background:#fff!important;color:#111!important;min-height:32px}.ts100-task[aria-pressed=true]{outline:2px solid #111}}

/* Scale cover typography to card-size, not viewport width: avoid clipped title on mobile. */
.ts100-hero-cover .ts100-cover-title,.ts100-home-section .ts100-cover-title{font-size:1.13rem}
@media(max-width:700px){.ts100-book-art .ts100-cover-title{font-size:1.15rem}.ts100-hero-cover .ts100-cover-number,.ts100-home-section .ts100-cover-number{font-size:3.3rem}.ts100-hero-cover .ts100-cover,.ts100-home-section .ts100-cover{padding:.65rem}.ts100-hero-cover .ts100-cover-kicker,.ts100-home-section .ts100-cover-kicker{font-size:.43rem}.ts100-hero-cover .ts100-cover-subtitle,.ts100-home-section .ts100-cover-subtitle{font-size:.58rem}.ts100-hero-cover .ts100-cover-author,.ts100-home-section .ts100-cover-author{font-size:.5rem}}