:root{--color-paper:#fdfefd;--color-canvas:#f3f7f4;--color-surface:#eef4f0;--color-vellum:#e9f1ec;--color-chip:#e1ebe5;--color-ink:#16211b;--color-ink-2:#525e57;--color-ink-3:#636e68;--color-ink-4:#8f9993;--color-line:#d3dcd6;--color-hairline:#ced7d1;--color-rule:#828f87;--color-rule-strong:#6a7970;--color-accent:#238255;--color-accent-500:#3a9b6a;--color-accent-deep:#15633f;--color-accent-800:#124c30;--color-accent-tint:#d3f1de;--color-accent-wash:#ecfaf1;--color-accent-card:#e0f7e9;--color-focus:#3a9b6a;--color-focus-ring:#3a9b6a47;--color-band:#142a1f;--color-band-ink:#eff7f2;--color-danger:#b9232a;--color-success:#2a7735;--font-ui:var(--font-public-sans), system-ui, sans-serif;--font-reading:var(--font-source-serif), Georgia, serif;--font-display:var(--font-source-serif), Georgia, serif;--text-hero:clamp(38px, 4.4vw, 56px);--text-section:clamp(28px, 3vw, 38px);--text-app-head:27px;--text-reading:19px;--text-prose:18px;--text-lg:17px;--text-md:16px;--text-control:15px;--text-sm:14px;--text-meta:13.5px;--text-label:13.5px;--tracking-display:-.014em;--tracking-hero:-.021em;--leading-body:1.55;--leading-reading:1.72;--space-3xs:.25rem;--space-2xs:.5rem;--space-xs:.75rem;--space-sm:1rem;--space-md:1.5rem;--space-lg:2.25rem;--space-xl:3rem;--space-2xl:4.5rem;--space-3xl:6.5rem;--radius-control:8px;--radius-card:12px;--radius-plate:16px;--radius-pill:999px;--hit-target:44px;--measure-app:1180px;--measure-prose:68ch;--shadow-soft:0 1px 2px #142a1f0d;--shadow-lift:0 1px 2px #142a1f14, 0 2px 6px #142a1f0f;--shadow-raise:0 2px 4px #142a1f0d, 0 8px 24px #142a1f17;--shadow-inset:inset 0 1px 2px #142a1f0d;--shadow-focus:0 0 0 3px var(--color-focus-ring);--ease-out:cubic-bezier(.2, .7, .2, 1);--ease-spring:cubic-bezier(.34, 1.2, .64, 1);--dur-fast:.12s;--dur-base:.2s;--dur-slow:.28s}
.study-tool{--parchment:var(--color-canvas);--surface:var(--color-paper);--ink:var(--color-ink);--muted:var(--color-ink-2);--crimson:var(--color-accent);--crimson-deep:var(--color-accent-deep);--rule:var(--color-rule);--line:var(--color-line);--focus:var(--color-focus);--font-study-display:var(--font-source-serif), Georgia, serif;--font-study-body:var(--font-public-sans), system-ui, sans-serif;--font-study-reading:var(--font-source-serif), Georgia, serif;--study-shadow:var(--shadow-lift);background:var(--parchment);min-height:100vh;color:var(--ink);font-family:var(--font-study-body);-webkit-font-smoothing:antialiased}.study-tool .study-wrap{max-width:900px;margin:0 auto;padding:48px 20px}.study-tool .study-heading{max-width:760px;margin:0 auto 28px}.study-tool .study-serif{font-family:var(--font-study-display)}.study-tool .study-title{overflow-wrap:anywhere;min-width:0;font-family:var(--font-study-display);letter-spacing:-.011em;margin:0 0 8px;font-size:clamp(32px,4.2vw,44px);font-weight:500}.study-tool .study-lede{color:var(--muted);margin:0}.study-tool .study-form{background:var(--surface);border:1px solid var(--rule);max-width:760px;box-shadow:var(--study-shadow);border-radius:12px;margin:0 auto;padding:26px}.study-tool .study-field{margin-bottom:14px;display:block}.study-tool .study-label{font-family:var(--font-study-body);letter-spacing:0;color:var(--muted);margin-bottom:6px;font-size:13.5px;font-weight:600;display:block}.study-tool .study-input,.study-tool .study-select{background:var(--surface);border:1px solid var(--rule);width:100%;min-height:44px;color:var(--ink);border-radius:8px;padding:12px 14px;font-family:inherit;font-size:16px}.study-tool .study-input:focus-visible,.study-tool .study-select:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-color:var(--focus)}.study-tool .study-input[aria-invalid=true]{border-color:var(--color-danger)}.study-tool .study-help,.study-tool .study-field-error{align-items:flex-start;gap:6px;margin-top:6px;font-size:13.5px;line-height:1.5;display:flex}.study-tool .study-help{color:var(--color-ink-3)}.study-tool .study-field-error{color:var(--color-danger);font-weight:600}.study-tool .study-field-error svg{flex:none;margin-top:2px}.study-tool .study-row{grid-template-columns:1fr 1fr;gap:14px;display:grid}.study-tool .study-submit{background:var(--ink);width:100%;min-height:44px;color:var(--color-paper);font:inherit;letter-spacing:-.005em;cursor:pointer;white-space:nowrap;transition:background-color var(--dur-base) var(--ease-out), transform var(--dur-fast) var(--ease-out);border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;margin-top:6px;padding:14px;font-size:15px;font-weight:600;display:inline-flex}.study-tool .study-submit:hover:not(:disabled){background:var(--color-band)}.study-tool .study-submit:focus-visible,.study-tool .study-passages a:focus-visible,.study-tool .study-passage-index summary:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.study-tool .study-submit:active:not(:disabled){transform:scale(.985)}.study-tool .study-passages a:active{background:var(--color-accent-wash)}@media (prefers-reduced-motion:reduce){.study-tool .study-submit:active:not(:disabled){transform:none}}.study-tool .study-submit:disabled{opacity:.72;cursor:default}.study-tool .study-error{border:1px solid color-mix(in srgb, var(--color-danger) 30%, transparent);background:color-mix(in srgb, var(--color-danger) 6%, var(--surface));color:var(--color-danger);border-radius:8px;align-items:flex-start;gap:8px;margin-top:14px;padding:10px 12px;font-size:.9rem;display:flex}.study-tool .study-spinner{animation:.9s linear infinite study-spin}.study-tool .study-tabular{font-variant-numeric:tabular-nums}.study-tool .study-loading{color:var(--muted);margin-top:16px;font-size:14px}.study-tool .study-loading p{margin:0}.study-tool .study-skeleton{gap:8px;margin-top:12px;display:grid}.study-tool .study-skeleton span{background:var(--color-chip);border-radius:6px;height:10px;display:block}.study-tool .study-skeleton span:first-child{width:38%}.study-tool .study-skeleton span:nth-child(2){width:100%}.study-tool .study-skeleton span:nth-child(3){width:78%}@keyframes study-spin{to{transform:rotate(360deg)}}.study-tool .study-output{background:var(--surface);border:1px solid var(--rule);box-shadow:var(--study-shadow);border-radius:12px;margin-top:40px;padding:34px}.study-tool .study-body{counter-reset:section;font-family:var(--font-study-reading);font-size:18px;line-height:1.72}.study-tool .study-body h2{counter-increment:section;font-family:var(--font-study-display);color:var(--ink);margin:32px 0 10px;font-size:1.5rem;font-weight:500}.study-tool .study-body h2:before{content:counter(section) ". ";color:var(--muted);font-variant-numeric:tabular-nums}.study-tool .study-body h3{font-family:var(--font-study-display);margin:20px 0 6px;font-size:1.15rem}.study-tool .study-body blockquote{font-family:var(--font-study-reading);border:1px solid var(--line);background:var(--color-vellum);color:var(--ink);border-radius:12px;margin:0 0 24px;padding:18px 20px;font-size:1.2rem;font-weight:400;line-height:1.6}.study-tool .study-body p{margin:0 0 14px}.study-tool .study-body ul{margin:0 0 16px;padding-left:22px}.study-tool .study-body strong{color:var(--ink)}.study-tool .key-phrase{border-top:1px solid var(--line);margin-top:14px;padding-top:14px}.study-tool .key-phrase .term{color:var(--crimson-deep);font-weight:600}.study-tool .study-upsell{background:var(--color-accent-card);border:1px solid var(--rule);box-shadow:var(--study-shadow);border-radius:12px;margin-top:24px;padding:24px 26px}.study-tool .study-upsell h2{font-family:var(--font-study-display);margin:0 0 8px;font-size:1.35rem;font-weight:600}.study-tool .study-upsell p{color:var(--muted);margin:0 0 12px;line-height:1.6}.study-tool .study-upsell ul{color:var(--muted);margin:0 0 16px;padding-left:20px;line-height:1.7}.study-tool .study-upsell-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.study-tool .study-upsell-cta{background:var(--ink);min-height:44px;color:var(--color-paper);letter-spacing:-.005em;border-radius:8px;align-items:center;padding:12px 20px;font-weight:600;text-decoration:none;display:inline-flex}.study-tool .study-upsell-secondary{color:var(--ink);text-underline-offset:2px;font-size:.92rem;text-decoration:underline}.study-tool .study-remaining{text-align:center;color:var(--muted);margin-top:12px;font-size:.85rem}@media (max-width:640px){.study-tool .study-row{grid-template-columns:1fr}}@media print{.study-tool .study-form,.study-tool .study-toggle,.study-tool .study-nav,.study-tool .study-submit{display:none!important}.study-tool .study-output{box-shadow:none!important;border:none!important;margin-top:0!important;padding:0!important}.study-tool img{filter:none!important}}.study-tool .study-support{border-top:1px solid var(--rule);max-width:900px;margin:1rem auto 4rem;padding:2rem 1.25rem 0}.study-tool .study-support h2{font-family:var(--font-study-display);color:var(--ink);margin:1.5rem 0 .6rem;font-size:1.2rem;font-weight:600}.study-tool .study-support h2:first-child{margin-top:0}.study-tool .study-support p{color:var(--muted);font-family:var(--font-study-reading);max-width:62ch;margin-bottom:1rem;font-size:18px;line-height:1.72}.study-tool .study-support a{color:var(--crimson-deep);text-underline-offset:2px;text-decoration:underline}.study-tool .study-passages{flex-wrap:wrap;gap:.5rem;margin:.5rem 0 1.5rem;padding:0;list-style:none;display:flex}.study-tool .study-passages a{border:1px solid var(--line);background:var(--surface);min-height:44px;color:var(--ink);white-space:nowrap;border-radius:8px;align-items:center;padding:.5rem .75rem;font-size:.875rem;text-decoration:none;display:inline-flex}.study-tool .study-passages a:hover{border-color:var(--crimson);color:var(--crimson-deep)}.study-tool .study-support-links{font-size:.9rem}.study-tool .study-passage-groups{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-bottom:20px;display:grid}.study-tool .study-passage-groups h3{font-family:var(--font-study-body);color:var(--ink);margin:0 0 8px;font-size:14px;font-weight:700}.study-tool .study-passage-groups .study-passages{margin:0;display:grid}.study-tool .study-passage-index{border-top:1px solid var(--line);padding-top:8px}.study-tool .study-passage-index summary{cursor:pointer;width:fit-content;min-height:44px;color:var(--crimson-deep);white-space:nowrap;align-items:center;font-weight:600;display:flex}.study-tool .study-passage-index[open] summary{margin-bottom:8px}@media (prefers-reduced-motion:reduce){.study-tool .study-spinner{animation:none}}@media (max-width:700px){.study-tool .study-passage-groups{grid-template-columns:minmax(0,1fr);gap:16px}}