.i8-reading{margin:1.2rem 0!important;border:1px solid #bdcdbd;border-radius:16px;padding:1.1rem 1.3rem;background:#fffdf7}.i8-reading summary{font-size:1.15em;color:#154c42;line-height:1.4}.i8-reading-body{font-family:Georgia,"DejaVu Serif",serif;line-height:1.85}.i8-reading-body p{white-space:pre-line}.i8-reading .mt-kicker{margin-top:1rem}.i8-focus{border-top:1px solid #ccd5c7;padding-top:1rem;color:#3f594d}.i8-visual{display:block;width:100%;height:auto;margin:1.4rem 0}.i8-listening,.i8-workshop{padding:1.5rem 0;border-bottom:1px solid #c8d4c9}.i8-speech{padding:1rem;background:#eaf1e5;border-radius:12px}.i8-speech button,.i8-editor button,[data-order] button{border:0;border-radius:9px;background:#174f45;color:#fff;padding:.7rem 1rem;margin:.25rem .4rem .25rem 0;cursor:pointer;font:inherit}.i8-order-fields{display:grid;gap:1rem}.i8-order-fields label,.i8-editor label{display:block;font-weight:600}.i8-order-fields select{width:100%;min-width:0;padding:.7rem;border:1px solid #b8c6b7;border-radius:8px;font:inherit;background:#fff}.i8-editor textarea{width:100%;max-width:100%;display:block;padding:1rem;border:1px solid #aec0ae;border-radius:10px;font:inherit;line-height:1.6;background:#fff;resize:vertical}.i8-editor fieldset{border:1px solid #bacbbb;border-radius:12px;padding:1rem;margin-top:1rem}.i8-editor fieldset label{font-weight:400;margin:.7rem 0;display:flex;gap:.6rem;align-items:baseline}.i8-editor input{flex-shrink:0}.i8-editor-actions{display:flex;flex-wrap:wrap}.mt-prose dd{margin:0 0 1rem}.mt-app a:focus-visible,.mt-app button:focus-visible,.mt-app select:focus-visible,.mt-app textarea:focus-visible,.mt-app summary:focus-visible{outline:3px solid #a86f20;outline-offset:3px}.mt-app .mt-hero h1{font-size:clamp(2.3rem,4.4vw,4.4rem)}.mt-cover strong{font-size:clamp(1.9rem,3vw,3rem)}@media(max-width:480px){.i8-reading{padding:.8rem!important}.i8-order-fields select{font-size:15px}.i8-editor textarea{padding:.7rem}.i8-speech button{width:100%;margin:.3rem 0}.mt-cover{min-height:290px}}
.i8-editor fieldset{min-width:0}.i8-editor fieldset input[type="checkbox"]{width:18px;min-width:18px;height:18px;flex:0 0 18px;padding:0;margin:0}

.tk-app .mt-cover strong{font-size:clamp(1.7rem,2.7vw,2.7rem)}
.tk-app .i8-code{white-space:pre-wrap;overflow-wrap:anywhere;tab-size:4;background:#edf2e8;border:1px solid #bdcdbd;border-radius:12px;padding:1rem;font:14px/1.65 "DejaVu Sans Mono",monospace;color:#163d37;max-width:100%}
.i8-controls{display:flex;flex-wrap:wrap;align-items:end;gap:1rem;margin:1rem 0}.i8-controls label{display:block;flex:1 1 180px;min-width:0}.i8-controls select,.i8-controls input{display:block;width:100%;min-width:0;padding:.7rem;border:1px solid #acbfae;border-radius:8px;background:white;color:#173e35;font:inherit}
.tk-app [data-data-lab] input[type=number]{width:5.1rem;min-width:4rem;padding:.6rem .35rem;font:inherit;border:1px solid #acbfae;border-radius:6px;background:#fff}.tk-app [data-data-lab] table{min-width:410px;font-size:.95em}.tk-app [data-data-lab] td,.tk-app [data-data-lab] th{padding:.65rem .45rem}
.i8-workshop button{border:0;border-radius:9px;background:#174f45;color:#fff;padding:.75rem 1rem;cursor:pointer;font:inherit}.i8-summary{background:#f0f3e9;border-left:4px solid #46765b;padding:.6rem 1rem;margin:1rem 0}.i8-chart{border:1px solid #c5d2c2;border-radius:12px;padding:1rem;margin:1rem 0}.i8-chart-row{display:grid;grid-template-columns:6.4em minmax(0,1fr) 2em;gap:.6rem;align-items:center;margin:.7rem 0;font-size:.88em}.i8-track{height:24px;border-left:1px solid #365d4c;border-right:1px solid #b3c3b3;background:#e6ecdf}.i8-bar{height:100%;background:#326a57}.i8-chart-row strong{text-align:right}
.i8-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}.tk-app [hidden]{display:none!important}[data-data-status][data-state=invalid],[data-algorithm-result][data-state=invalid]{color:#8b2924;font-weight:600}.i8-workshop form{min-width:0}.i8-workshop table caption{text-align:left;font-size:.9em;font-weight:600;margin:.4rem 0}.i8-workshop .mt-table-wrap{max-width:100%;overflow-x:auto}.i8-chart p{font-size:.9em}.i8-workshop [data-trace] table{min-width:430px}
@media(max-width:480px){.i8-chart{padding:.65rem}.i8-chart-row{grid-template-columns:5.8em minmax(0,1fr) 1.5em;gap:.35rem;font-size:.8em}.i8-controls{gap:.65rem}.tk-app .i8-code{font-size:12px;padding:.65rem}}

.i8-actions{display:flex;flex-wrap:wrap;gap:.6rem}.i8-chart-row{grid-template-columns:5em minmax(0,1fr) 5.5em}.i8-chart-row strong{font-size:.85em}.i8-axis{display:flex;justify-content:space-between;margin:0 5.5em 0 5em;font-size:.8em}.i8-workshop [data-state=invalid]{color:#8b2924;font-weight:600}.i8-chart-row.is-missing .i8-track{background:repeating-linear-gradient(45deg,#eee,#eee 5px,#ddd 5px,#ddd 6px)}@media(max-width:480px){.i8-chart-row{grid-template-columns:3.8em minmax(0,1fr) 4.2em;gap:.3rem}.i8-axis{margin:0 4.2em 0 3.8em}}
.i8-chart svg{display:block;width:100%;height:auto;max-height:470px;background:#fffdf6;border-radius:10px}.i8-workshop [data-line-table] table{max-width:440px}.i8-workshop input[type=text]{display:block;width:100%;padding:.8rem;border:1px solid #acbfae;border-radius:9px;font:inherit;margin:.7rem 0}.i8-summary strong{overflow-wrap:anywhere}.i8-workshop [data-state=invalid]{color:#8b2924;font-weight:600}.i8-workshop{scroll-margin-top:1rem}.i8-actions{display:flex;flex-wrap:wrap;gap:.6rem}.i8-chart{padding:.5rem;border:1px solid #c5d2c2;border-radius:12px;margin:1rem 0}.i8-controls input{min-height:44px}.i8-workshop button{min-height:44px}
/* Keep the full subject name within the illustrated cover and compact lab tables readable. */
.tk-app .mt-cover strong{font-size:1.75rem;letter-spacing:.02em;overflow-wrap:normal}
.tk-app .i8-workshop .mt-table-wrap table{min-width:0;width:100%;table-layout:fixed}
.tk-app .i8-workshop .mt-table-wrap th,.tk-app .i8-workshop .mt-table-wrap td{overflow-wrap:anywhere}