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.tb-head{align-items:flex-end;margin-bottom:1.45rem}
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.tb-book{display:flex;flex-direction:column;min-width:0;padding:1.3rem 1.45rem;border:1px solid var(--line);border-top:4px solid #687457;background:#fafaf4;border-radius:4px}
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.tb-button{background:#fff;color:var(--field);border:1px solid #aeb4a4;border-radius:3px;padding:.6rem .85rem;min-height:40px;line-height:1.25}
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.tb-panel,.tb-notebook,.tb-personal,.tb-bonus{border:1px solid var(--line);border-radius:4px;padding:1.1rem;background:#f7f8f1;min-width:0}
.tb-panel,.tb-personal,.tb-bonus{margin:1rem 0}
.tb-bonus{border-left:4px solid #657b51}.tb-bonus h2{margin:0 0 .35rem;font-size:1.1rem}.tb-bonus p{margin:.4rem 0;line-height:1.5;font-size:.9rem}
.tb-bonus form{display:flex;align-items:end;flex-wrap:wrap;gap:.6rem;margin-top:.8rem}
.tb-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(255px,1fr);align-items:start;gap:1rem}
.tb-page{border:1px solid #cfcfc2;border-radius:3px;padding:clamp(1rem,3vw,2.6rem);background:#fffef7;color:#292c25;min-width:0}
.tb-pagehead{padding-bottom:.8rem;border-bottom:1px solid var(--line);margin-bottom:1.15rem;font:11px/1.4 monospace;text-transform:uppercase;letter-spacing:.065em}
.tb-copy{font:1.08rem/1.7 Georgia,serif;white-space:pre-wrap;overflow-wrap:anywhere}
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.tb-notebook details{font-size:.84rem;line-height:1.45}
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.tb-state{margin:.8rem 0 .2rem}
.tb-progress{justify-content:flex-start;font-size:.84rem;color:#4a5543;gap:.5rem .9rem}
.tb-progress progress{width:6rem;max-width:100%;height:.55rem;accent-color:#627652}
.tb-help{font-size:.82rem;line-height:1.5;color:var(--muted);margin:1rem 0}
.tb-issue{color:#822e1c;background:#fff1e8;border-left:3px solid #a94925;padding:.8rem;margin:.5rem 0;font-size:.9rem;line-height:1.45}
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.tb-table th,.tb-table td{padding:.65rem .5rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tb-table th{font-size:.75rem}.tb-table button{margin:0}
.tb-note-row{border-top:1px solid var(--line);padding:.8rem 0}.tb-note-row>summary{line-height:1.5}.tb-note-row dt{font-weight:bold;font-size:.83rem;margin-top:.8rem}.tb-note-row dd{margin:.3rem 0;color:#444b3c}
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.tb-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:900px){.tb-layout{grid-template-columns:minmax(0,1fr) minmax(225px,.8fr);gap:.65rem}.tb-page{padding:1rem}}
@media(max-width:730px){.tb-layout{grid-template-columns:minmax(0,1fr)}.tb-book{padding:1rem}.tb-panel,.tb-notebook{padding:.9rem}.tb-pagehead{gap:.5rem}.tb-head{align-items:flex-start}.tb-controls .tb-button{min-height:42px}}
.tb-notebook .tb-check{display:flex;flex-direction:row;gap:.5rem;align-items:flex-start;font-size:.83rem;line-height:1.4;margin:.8rem 0}
.tb-check input{flex:0 0 auto;width:1rem;height:1rem;margin:.1rem 0}
.tb-layout.tb-expanded{grid-template-columns:minmax(0,1fr)}
.tb-pagefoot{margin:1rem 0 0;border-top:1px solid var(--line);padding-top:.65rem}
.tb-zoom{padding:0}
@media(max-width:730px){.tb-zoom{display:none}}
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.training-books .tb-book h2{font-size:1.75rem}
.training-books .tb-controls form{flex-direction:row;align-items:center}
.training-books .tb-controls input[type=number]{width:4.6rem}
.training-books .tb-bonus form{flex-direction:row}