/* Scoped practice cards; keep inputs selectable even when book text is protected. */
.chapter-exercise{margin:42px 0 22px;padding:clamp(20px,3vw,34px);border:1px solid var(--line,#d9d6c9);border-radius:18px;background:var(--paper,#faf9f3);color:var(--ink,#30352b);font-size:15px;line-height:1.65;user-select:text;-webkit-user-select:text;scroll-margin-top:100px;overflow-wrap:anywhere}
.chapter-exercise *{box-sizing:border-box}
.chapter-exercise .exercise-header h2{font-size:clamp(22px,2.4vw,29px);line-height:1.35;margin:10px 0 12px;letter-spacing:-.025em}
.exercise-eyebrow{font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--olive,#586449)}
.exercise-header>p{font-size:14px;color:var(--muted,#72776b);line-height:1.75;margin:0 0 18px}
.exercise-progress{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line,#dddccf);padding-top:12px;font-size:12px;color:var(--muted,#72776b)}
.exercise-progress span:first-child{color:var(--olive,#586449);font-weight:650}
.exercise-section{margin:26px 0 0;padding-top:22px;border-top:1px solid var(--line,#dddccf)}
.chapter-exercise .exercise-section h3,.chapter-exercise .exercise-results h3{font-size:17px;font-weight:650;margin:0 0 18px;line-height:1.45}
.exercise-section h3>span{display:inline-block;min-width:29px;margin-right:8px;font-size:12px;color:var(--muted,#777b70);vertical-align:middle}
.exercise-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:19px 16px}
.exercise-field{margin:0;padding:0;border:0;min-width:0;grid-column:1/-1}
.exercise-field-number{grid-column:auto}
.exercise-field>label,.exercise-field>legend{display:block;width:100%;padding:0;margin:0 0 8px;font-size:14px;font-weight:600;color:inherit;line-height:1.5}
.exercise-field-hint{margin:-1px 0 9px;font-size:12px!important;line-height:1.6!important;color:var(--muted,#72776b)}
.exercise-options{display:grid;grid-template-columns:1fr;gap:7px}
.exercise-option{display:flex!important;align-items:flex-start;gap:9px;padding:11px 13px;background:var(--bg,#fffef9);border:1px solid var(--line,#dddccf);border-radius:9px;font-size:13px;line-height:1.55;cursor:pointer;font-weight:400!important}
.exercise-option:has(input:checked){border-color:var(--olive,#586449);background:color-mix(in srgb,var(--olive,#586449) 9%,var(--paper,#faf9f3))}
.exercise-option:has(input:focus-visible){outline:2px solid var(--olive,#586449);outline-offset:2px}
.chapter-exercise input[type=radio]{width:16px!important;height:16px;flex:0 0 16px;margin:3px 0 0!important;padding:0;accent-color:var(--olive,#586449)}
.chapter-exercise input:not([type=radio]),.chapter-exercise textarea{width:100%;min-width:0;min-height:43px;margin:0;border:1px solid var(--line,#d8d8c9);border-radius:8px;background:var(--bg,#fffef9);color:inherit;font:inherit;font-size:14px;line-height:1.55;padding:10px 12px;box-shadow:none;user-select:text;-webkit-user-select:text}
.chapter-exercise textarea{resize:vertical;min-height:92px}
.chapter-exercise input:focus,.chapter-exercise textarea:focus{outline:2px solid color-mix(in srgb,var(--olive,#586449) 45%,transparent);outline-offset:1px;border-color:var(--olive,#586449)}
.chapter-exercise [aria-invalid=true]{border-color:#a95638!important}
.exercise-number-wrap{position:relative;display:flex;gap:8px;align-items:center}
.exercise-number-wrap input{flex:1;width:0!important}
.exercise-number-wrap>span{font-size:12px;color:var(--muted,#72776b);flex-shrink:0}
.exercise-field-error{font-size:12px!important;color:#a95638;margin:5px 0 0!important;line-height:1.5!important}
.exercise-results{border-top:1px solid var(--line,#dddccf);padding-top:24px;margin-top:28px}
.exercise-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:15px}
.exercise-metric{padding:15px 14px;border-radius:10px;background:color-mix(in srgb,var(--olive,#586449) 8%,var(--paper,#faf9f3));min-width:0}
.exercise-metric>span{display:block;color:var(--muted,#72776b);font-size:12px;line-height:1.5}
.exercise-metric>strong{display:block;margin-top:6px;font-size:20px;line-height:1.3;font-weight:650;font-variant-numeric:tabular-nums;color:var(--olive,#586449)}
.exercise-guidance{margin:0!important;padding:0!important;list-style:none!important}
.exercise-guidance li{padding:12px 13px;margin:8px 0 0!important;border-left:3px solid var(--orange,#b47448);border-radius:0 7px 7px 0;background:color-mix(in srgb,var(--orange,#b47448) 7%,var(--paper,#faf9f3));font-size:13px;line-height:1.7}
.exercise-guidance li.is-info{border-left-color:var(--olive,#586449);background:color-mix(in srgb,var(--olive,#586449) 6%,var(--paper,#faf9f3))}
.exercise-neutral{color:var(--muted,#72776b);font-size:13px!important;line-height:1.7!important}
.exercise-report{margin-top:21px;border:1px solid var(--line,#dddccf);border-radius:10px;background:var(--bg,#fffef9)}
.exercise-report>summary{padding:13px 15px;cursor:pointer;font-weight:600;font-size:14px;list-style:revert}
.exercise-report>pre{white-space:pre-wrap;word-break:break-word;margin:0!important;padding:4px 15px 17px!important;border:0!important;background:transparent!important;color:inherit!important;font:inherit!important;font-size:13px!important;line-height:1.9!important;user-select:text;-webkit-user-select:text}
.exercise-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px;align-items:center}
.exercise-actions>.btn{font-size:13px;padding:10px 14px;min-height:43px;white-space:normal}
.exercise-actions>.btn:disabled{opacity:.6;cursor:wait}
.exercise-save-state{flex:1 0 100%;font-size:12px;color:var(--muted,#72776b);min-height:22px}
@media(max-width:600px){.chapter-exercise{padding:19px 16px;border-radius:13px;margin:26px 0 16px}.exercise-fields{gap:17px 12px}.exercise-metrics{gap:8px}.exercise-metric{padding:12px 10px}.exercise-metric>strong{font-size:18px}.exercise-progress{font-size:11px}.exercise-actions>.btn{flex:1 1 140px}.chapter-exercise input:not([type=radio]),.chapter-exercise textarea{font-size:16px}.exercise-option{padding:12px;min-height:46px}}
@media(max-width:390px){.exercise-field-number{grid-column:1/-1}.exercise-metrics{grid-template-columns:1fr}.exercise-progress{flex-direction:column;gap:3px}}

/* Reflection-first reading cards: quick choices, a clear interpretation, optional depth. */
.exercise-reflection{background:var(--paper,#faf9f3);padding:clamp(22px,3vw,36px);border-color:color-mix(in srgb,var(--olive,#586449) 24%,var(--line,#d9d6c9));box-shadow:0 12px 30px rgba(51,60,40,.035)}
.exercise-reflection .exercise-header-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:13px}
.exercise-reflection .exercise-eyebrow{font-size:12px;letter-spacing:.13em}
.exercise-time{padding:4px 9px;border:1px solid var(--line,#dddccf);border-radius:20px;color:var(--muted,#72776b);font-size:11px;white-space:nowrap}
.exercise-reflection .exercise-header h2{margin:0 0 13px;font-size:clamp(23px,2.5vw,30px);line-height:1.45}
.exercise-reflection .exercise-header .exercise-purpose{font-size:16px;color:var(--ink,#30352b);line-height:1.8;margin-bottom:9px;max-width:44em}
.exercise-reflection .exercise-header .exercise-instruction{font-size:12px;line-height:1.8;margin-bottom:19px;color:var(--muted,#72776b)}
.exercise-reflection .exercise-progress{border-top:0;background:color-mix(in srgb,var(--olive,#586449) 6%,var(--paper,#faf9f3));padding:9px 12px;border-radius:7px}
.exercise-quick{margin-top:10px}
.exercise-question{display:grid;grid-template-columns:25px minmax(0,1fr);gap:9px;padding:21px 0;border-bottom:1px solid var(--line,#dddccf)}
.exercise-question:last-child{border-bottom:0;padding-bottom:4px}
.exercise-question-index{font-size:11px;font-weight:650;color:var(--muted,#72776b);padding-top:3px;font-variant-numeric:tabular-nums}
.exercise-reflection .exercise-question .exercise-field{grid-column:auto}
.exercise-reflection .exercise-quick .exercise-field>legend{font-size:15px;font-weight:650;margin-bottom:11px;line-height:1.6}
.exercise-reflection .exercise-quick .exercise-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.exercise-reflection .exercise-quick .exercise-option{border-radius:10px;padding:13px 12px;min-height:58px;align-items:flex-start;transition:border-color .15s,background .15s,box-shadow .15s}
.exercise-reflection .exercise-quick .exercise-option:hover{border-color:color-mix(in srgb,var(--olive,#586449) 60%,var(--line,#dddccf))}
.exercise-reflection .exercise-quick .exercise-option:has(input:checked){box-shadow:inset 0 0 0 1px var(--olive,#586449);background:color-mix(in srgb,var(--olive,#586449) 9%,var(--paper,#faf9f3))}
.exercise-reflection .exercise-results{border:0;padding:0;margin-top:26px}
.exercise-verdict{display:grid;grid-template-columns:minmax(0,1fr);gap:17px;padding:23px;border-radius:14px;background:color-mix(in srgb,var(--olive,#586449) 5%,var(--paper,#faf9f3));border:1px solid color-mix(in srgb,var(--olive,#586449) 18%,var(--line,#dddccf));transition:background .2s}
.exercise-verdict:has(.exercise-score){grid-template-columns:90px minmax(0,1fr);gap:20px}
.exercise-verdict.is-ready{background:color-mix(in srgb,var(--olive,#586449) 11%,var(--paper,#faf9f3));border-color:color-mix(in srgb,var(--olive,#586449) 38%,var(--line,#dddccf))}
.exercise-verdict.is-attention{background:color-mix(in srgb,var(--orange,#b47448) 8%,var(--paper,#faf9f3));border-color:color-mix(in srgb,var(--orange,#b47448) 40%,var(--line,#dddccf))}
.exercise-result-label{display:block;font-size:10px;letter-spacing:.08em;color:var(--olive,#586449);margin-bottom:8px}
.exercise-reflection .exercise-verdict h3{font-size:19px;line-height:1.55;margin:0 0 9px;font-weight:650}
.exercise-verdict-body>p{font-size:13px!important;line-height:1.85!important;margin:0!important;color:var(--ink,#30352b)}
.exercise-score{display:flex;flex-direction:column;align-items:flex-start;border-right:1px solid color-mix(in srgb,var(--olive,#586449) 22%,transparent);padding-right:16px;color:var(--olive,#586449)}
.exercise-score>strong{font-size:55px;line-height:1.05;font-weight:600;letter-spacing:-.065em;font-variant-numeric:tabular-nums}
.exercise-score>span{font-size:13px;margin-top:7px;line-height:1.5}
.exercise-score>small{font-size:10px;margin-top:12px;color:var(--muted,#72776b);line-height:1.6}
.exercise-next{margin-top:16px;padding-top:13px;border-top:1px solid color-mix(in srgb,var(--olive,#586449) 18%,transparent)}
.exercise-next>span{font-size:11px;font-weight:650;color:var(--olive,#586449)}
.exercise-next>ol{padding-left:19px!important;margin:8px 0 0!important;font-size:13px;line-height:1.8}
.exercise-next li{margin:5px 0 0!important;padding-left:2px}
.exercise-score-note{grid-column:1/-1;font-size:10px!important;line-height:1.6!important;margin:0!important;padding-top:13px;border-top:1px solid color-mix(in srgb,var(--olive,#586449) 16%,transparent);color:var(--muted,#72776b)}
.exercise-thoughts{margin:27px 0 20px;padding-left:15px;border-left:2px solid color-mix(in srgb,var(--orange,#b47448) 60%,var(--line,#dddccf))}
.exercise-reflection .exercise-thoughts h3{font-size:14px;line-height:1.6;margin:0 0 11px;font-weight:600}
.exercise-prompt-tabs{display:flex;flex-wrap:wrap;gap:7px}
.exercise-prompt-tabs button{padding:5px 9px;border:1px solid var(--line,#dddccf);background:transparent;border-radius:20px;color:var(--muted,#72776b);font:inherit;font-size:11px;line-height:1.7;cursor:pointer}
.exercise-prompt-tabs button[aria-pressed=true]{border-color:var(--olive,#586449);color:var(--olive,#586449);background:color-mix(in srgb,var(--olive,#586449) 7%,var(--paper,#faf9f3))}
.exercise-prompt-tabs button:focus-visible{outline:2px solid var(--olive,#586449);outline-offset:2px}
.exercise-thoughts>[data-exercise-prompt-text]{font-size:14px;line-height:1.85;margin:12px 0 0;color:var(--ink,#30352b)}
.exercise-example{border:1px solid var(--line,#dddccf);border-radius:10px;margin:19px 0;background:color-mix(in srgb,var(--orange,#b47448) 3%,var(--paper,#faf9f3))}
.exercise-example>summary{padding:13px 15px;font-size:12px;line-height:1.8;cursor:pointer}
.exercise-example>summary>span{font-weight:600;margin-right:8px;color:var(--orange,#a7683e)}
.exercise-example-content{padding:3px 16px 16px}
.exercise-demo-label{display:inline-block;font-size:10px;letter-spacing:.02em;color:var(--orange,#a7683e)}
.exercise-example-content>p{font-size:13px!important;line-height:1.9!important;margin:9px 0 0!important}
.exercise-example-content .exercise-metrics{margin:14px 0 0}
.exercise-example-content .exercise-metric{background:var(--paper,#faf9f3)}
.exercise-deeper{margin:22px 0;border:1px solid var(--line,#dddccf);border-radius:12px;overflow:clip}
.exercise-deeper>summary{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:16px 17px;cursor:pointer;list-style:none}
.exercise-deeper>summary::-webkit-details-marker{display:none}
.exercise-deeper>summary strong{display:block;font-size:14px;font-weight:600;line-height:1.6}
.exercise-deeper>summary div>span{display:block;font-size:11px;color:var(--muted,#72776b);margin-top:4px;line-height:1.7}
.exercise-deeper-arrow{font-size:22px;font-weight:300;line-height:1;color:var(--olive,#586449);transition:transform .15s}
.exercise-deeper[open] .exercise-deeper-arrow{transform:rotate(45deg)}
.exercise-deeper-content{padding:0 17px 18px}
.exercise-deeper-hint{font-size:12px!important;color:var(--muted,#72776b);line-height:1.8!important;margin:0 0 4px!important}
.exercise-deeper .exercise-section{padding-top:20px;margin-top:21px}
.exercise-deeper [data-exercise-calculations]{margin-top:22px}
.exercise-reflection .exercise-report{margin-top:18px;background:transparent}
.exercise-reflection .exercise-report>summary{font-size:12px;color:var(--muted,#72776b);font-weight:400}
.exercise-reflection .exercise-actions{margin-top:18px}
@media(max-width:600px){.exercise-reflection{padding:21px 16px}.exercise-reflection .exercise-header h2{font-size:23px}.exercise-reflection .exercise-header .exercise-purpose{font-size:15px}.exercise-reflection .exercise-header-top{gap:8px}.exercise-time{font-size:10px}.exercise-question{grid-template-columns:20px minmax(0,1fr);gap:6px;padding:19px 0}.exercise-reflection .exercise-quick .exercise-options{grid-template-columns:1fr}.exercise-reflection .exercise-quick .exercise-option{min-height:47px;padding:11px 12px}.exercise-verdict{padding:19px 16px}.exercise-verdict:has(.exercise-score){grid-template-columns:1fr;gap:16px}.exercise-score{display:grid;grid-template-columns:auto 1fr;column-gap:10px;align-items:end;border-right:0;border-bottom:1px solid color-mix(in srgb,var(--olive,#586449) 20%,transparent);padding:0 0 14px}.exercise-score>strong{font-size:52px;grid-row:1/3}.exercise-score>span{margin:0;font-size:14px;align-self:end}.exercise-score>small{margin:0;font-size:10px;align-self:start}.exercise-reflection .exercise-verdict h3{font-size:18px}.exercise-thoughts{padding-left:12px}.exercise-deeper>summary{padding:14px}.exercise-deeper-content{padding:0 14px 15px}.exercise-reflection .exercise-progress{font-size:11px}}
@media(prefers-reduced-motion:reduce){.exercise-verdict,.exercise-deeper-arrow,.exercise-reflection .exercise-quick .exercise-option{transition:none}}