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var(--sp-3);border:1px solid var(--rule);border-radius:var(--chip-radius);background:color-mix(in oklab, var(--surface-elevated) 92%, transparent);-webkit-backdrop-filter:blur(6px);transition:color var(--motion-quick), border-color var(--motion-quick)}.focus-graph__reset:hover{color:var(--text-primary);border-color:var(--rule-strong)}.focus-graph__hint{color:var(--text-muted);font-size:var(--type-micro);letter-spacing:.04em;text-shadow:0 1px 2px var(--surface-page)}@media (max-width:640px){.focus-graph{aspect-ratio:auto;gap:var(--sp-3);isolation:auto;background:0 0;border:none;border-radius:0;flex-direction:column;display:flex;overflow:visible}.focus-graph__svg{aspect-ratio:4/3.4;background:var(--surface-panel);border:1px solid var(--rule);border-radius:var(--panel-radius)}.focus-graph__legend{background:var(--surface-elevated);-webkit-backdrop-filter:none;pointer-events:auto;max-width:none;padding:var(--sp-2) var(--sp-3);position:static}.focus-graph__legend-list{gap:var(--sp-2) var(--sp-3);flex-flow:wrap}.focus-graph__controls{justify-content:space-between;position:static}.focus-graph__reset{background:var(--surface-elevated);-webkit-backdrop-filter:none;min-height:40px;padding:var(--sp-2) var(--sp-4)}.focus-graph__hint{display:none}}.focus-graph__tooltip{z-index:40;background:var(--surface-elevated);border:1px solid var(--rule);padding:var(--sp-2) var(--sp-3);font-size:var(--type-small);color:var(--text-primary);pointer-events:none;border-radius:4px;max-width:22rem;line-height:1.4;position:fixed;transform:translate(12px,12px);box-shadow:0 2px 12px #0003}.focus-graph__tooltip-n{color:var(--text-muted);font-size:var(--type-micro);text-transform:uppercase;letter-spacing:.06em;margin-bottom:2px;font-weight:500}.focus-graph__tooltip-lead{color:var(--text-primary);font-size:var(--type-body);font-weight:500;line-height:1.4}.focus-graph__tooltip-lead[lang=ta]{font-family:var(--font-tamil)}.focus-graph__tooltip-verse-line{display:block}.focus-graph__tooltip-sub{color:var(--text-muted);margin-top:2px}.focus-graph__tooltip-sub[lang=ta]{font-family:var(--font-tamil)}.focus-graph__tooltip-hint{color:var(--text-muted);font-size:var(--type-micro);text-transform:uppercase;letter-spacing:.06em;margin-top:var(--sp-2);padding-top:var(--sp-2);border-top:1px solid var(--rule);font-weight:500}.focus-graph__tooltip[data-touch=true]{top:auto;left:12px;right:12px;bottom:max(12px, env(safe-area-inset-bottom));z-index:60;pointer-events:auto;width:auto;max-width:none;transform:none;box-shadow:0 8px 24px #00000047}@media (prefers-reduced-motion:reduce){.focus-graph__svg,.focus-graph__edge,.focus-graph__kural-bg,.focus-graph__theme-bg{transition:none}}.legend{bottom:var(--sp-3);left:var(--sp-3);background:var(--surface-elevated);border:1px solid var(--rule);padding:var(--sp-2) var(--sp-3);font-size:var(--type-micro);color:var(--text-secondary);pointer-events:none;z-index:2;max-width:calc(100% - var(--sp-6));border-radius:4px;position:absolute}.legend__list{gap:var(--sp-1);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.legend__item{align-items:center;gap:var(--sp-2);display:flex}.legend__swatch{flex-shrink:0;width:32px;height:8px}.legend__line--structural{stroke:var(--rule);stroke-width:1px;opacity:.6}.legend__line--thematic{stroke:var(--edge-thematic);stroke-width:3px;stroke-dasharray:4 3}.graph-list{padding:var(--sp-3);background:var(--surface-elevated);border:1px solid 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solid #0000;border-radius:4px;grid-template-rows:auto auto;grid-template-columns:5rem 1fr auto;row-gap:2px;display:grid}.graph-list__btn:hover:not(:disabled){border-color:var(--rule);background:var(--surface-page)}.graph-list__btn--focus{background:var(--surface-page);border-color:var(--accent);border-width:1px}.graph-list__btn--theme{grid-template-rows:auto;grid-template-columns:1fr auto}.graph-list__n{color:var(--text-secondary);font-variant-numeric:tabular-nums;grid-area:1/1/span 2;align-self:center;font-weight:600}.graph-list__ta{color:var(--text-primary);flex-direction:column;grid-area:1/2;line-height:1.35;display:flex}.graph-list__ta-line{display:block}.graph-list__gist{color:var(--text-muted);font-size:var(--type-micro);grid-area:2/2;line-height:1.4}.graph-list__shared,.graph-list__here{color:var(--edge-thematic);font-size:var(--type-micro);text-transform:lowercase;letter-spacing:.03em;text-align:right;grid-area:1/3/span 2;align-self:center;max-width:9rem}.graph-list__here{color:var(--accent)}.graph-list__theme-lead{color:var(--text-primary);font-weight:500}.graph-list__theme-sub{color:var(--text-muted);font-size:var(--type-micro);margin-left:var(--sp-2)}.crumb{font-size:var(--type-small);color:var(--text-muted)}.crumb__list{align-items:center;gap:var(--sp-1);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.crumb__item{align-items:center;gap:var(--sp-1);display:inline-flex}.crumb__link{color:var(--text-muted);font-variant-numeric:tabular-nums;border-bottom:none}.crumb__link:hover{color:var(--accent)}.crumb__here{color:var(--text-primary);font-variant-numeric:tabular-nums;font-weight:500}.crumb__sep{color:var(--rule-strong);padding:0 var(--sp-1)}.focus{gap:var(--sp-5);flex-direction:column;display:flex}.focus__grid{gap:var(--sp-5);grid-template-columns:1fr;align-items:start;display:grid}.focus__graph-panel{gap:var(--sp-3);flex-direction:column;min-width:0;display:flex;position:relative}.focus__reading{width:100%;min-width:0;max-width:48rem;margin:0 auto}@media (min-width:1024px){.focus__grid{grid-template-columns:minmax(0,3fr) minmax(0,2fr)}.focus__graph-panel{order:1}.focus__reading{order:2;max-width:none;margin:0}}@media (max-width:1023px){.focus__graph-panel{order:2}.focus__reading{order:1}}.focus-loading{align-items:center;gap:var(--sp-3);padding:var(--sp-7) 0;color:var(--text-muted);justify-content:center;display:flex}.focus-loading__dot{background:var(--accent);border-radius:50%;width:.5rem;height:.5rem;animation:1.2s ease-in-out infinite focus-pulse}@keyframes focus-pulse{0%,to{opacity:.3;transform:scale(.9)}50%{opacity:1;transform:scale(1.1)}}@media (prefers-reduced-motion:reduce){.focus-loading__dot{opacity:.6;animation:none}}.focus-error{padding:var(--sp-5);border:1px solid var(--rule-strong);background:var(--surface-elevated);border-radius:var(--panel-radius);color:var(--text-primary)}.theme-view{gap:var(--sp-6);flex-direction:column;max-width:52rem;margin:0 auto;display:flex}.theme-view__head{gap:var(--sp-3);flex-direction:column;display:flex}.theme-view__eyebrow{font-size:var(--type-micro);text-transform:uppercase;letter-spacing:.14em;color:var(--text-muted);font-weight:500}.theme-view__title{align-items:baseline;gap:var(--sp-4);font-size:var(--type-h1);color:var(--text-primary);flex-wrap:wrap;font-weight:600;line-height:1.2;display:flex}.theme-view__title-lead{font-weight:700}.theme-view__title[dir=ltr] [lang=ta].theme-view__title-lead,.theme-view__title-lead[lang=ta]{font-size:1.2em}.theme-view__title-sub{color:var(--text-muted);font-size:.7em;font-weight:500}.theme-view__desc{color:var(--text-secondary);font-size:var(--type-body);max-width:44ch;line-height:1.55}.theme-view__count{color:var(--text-muted);font-size:var(--type-small)}.theme-view__section-title{font-size:var(--type-small);color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:var(--sp-3);border-bottom:1px solid var(--rule);padding-bottom:var(--sp-2);font-weight:500}.hist{gap:var(--sp-4);grid-template-columns:repeat(3,1fr);align-items:end;max-width:28rem;margin:0;padding:0;list-style:none;display:grid}.hist__item{gap:var(--sp-2);flex-direction:column;display:flex}.hist__bar-wrap{align-items:flex-end;height:5rem;display:flex}.hist__bar{background:var(--edge-thematic);width:100%;min-height:2px;transition:height var(--motion-focus);border-radius:2px 2px 0 0}.hist__labels{flex-direction:column;gap:2px;display:flex}.hist__count{font-size:var(--type-body);color:var(--text-primary);font-variant-numeric:tabular-nums;font-weight:600}.hist__name{font-size:var(--type-small);color:var(--text-muted)}.theme-view__list{gap:var(--sp-5);flex-direction:column;display:flex}.theme-view__group{gap:var(--sp-2);flex-direction:column;display:flex}.theme-view__group-title{align-items:baseline;gap:var(--sp-3);font-size:var(--type-body);color:var(--text-primary);padding-bottom:var(--sp-1);border-bottom:1px solid var(--rule);flex-wrap:wrap;font-weight:600;display:flex}.theme-view__adh-n{color:var(--text-muted);font-weight:500;font-size:var(--type-small);font-variant-numeric:tabular-nums}.theme-view__adh-en,.theme-view__adh-ta{font-weight:600}.theme-view__adh-ta{font-size:1.1em}.theme-view__group-title .theme-view__adh-en:not(:first-child),.theme-view__group-title .theme-view__adh-ta:not(:first-child){color:var(--text-muted);font-size:.9em;font-weight:500}.theme-view__kurals{gap:var(--sp-1);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.theme-view__kural{column-gap:var(--sp-3);padding:var(--sp-2) var(--sp-3);color:var(--text-primary);transition:background var(--motion-quick), border-color var(--motion-quick);border:1px solid #0000;border-radius:4px;grid-template-rows:auto auto;grid-template-columns:5rem 1fr;row-gap:2px;display:grid}.theme-view__kural:hover{background:var(--surface-elevated);border-color:var(--rule);color:var(--text-primary)}.theme-view__kural-n{color:var(--text-secondary);font-variant-numeric:tabular-nums;font-weight:600;font-size:var(--type-small);grid-area:1/1/span 2;align-self:center}.theme-view__kural-ta{color:var(--text-primary);flex-direction:column;grid-area:1/2;line-height:1.35;display:flex}.theme-view__kural-ta-line{display:block}.theme-view__kural-gist{color:var(--text-muted);font-size:var(--type-small);grid-area:2/2;line-height:1.4}.adh-view{gap:var(--sp-5);flex-direction:column;max-width:56rem;margin:0 auto;display:flex}.adh-view__head{gap:var(--sp-2);margin-bottom:var(--sp-3);flex-direction:column;display:flex}.adh-view__title{font-size:var(--type-h1);font-weight:600}.adh-view__sub{color:var(--text-muted);font-size:var(--type-body);max-width:52ch;line-height:1.55}.adh-view__group{gap:var(--sp-2);flex-direction:column;display:flex}.adh-view__iyal-head{top:var(--header-height);background:var(--surface-page);padding:var(--sp-3) 0 var(--sp-2);border-bottom:1px solid var(--rule-strong);z-index:5;align-items:baseline;gap:var(--sp-3);flex-wrap:wrap;display:flex;position:sticky}.adh-view__paal{font-size:var(--type-micro);text-transform:uppercase;letter-spacing:.12em;color:var(--text-muted);font-weight:500}.adh-view__iyal{align-items:baseline;gap:var(--sp-2);font-size:var(--type-h3);color:var(--text-primary);font-weight:600;display:inline-flex}.adh-view__iyal [lang=ta]{font-size:1.1em}.adh-view__iyal-sub{color:var(--text-muted);font-size:.85em;font-weight:500}.adh-view__list{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.adh-row{align-items:baseline;gap:var(--sp-4);padding:var(--sp-3);color:var(--text-primary);transition:background var(--motion-quick), border-color var(--motion-quick);border:1px solid #0000;border-radius:4px;grid-template-columns:3rem 1fr auto;display:grid}.adh-row:hover{background:var(--surface-elevated);border-color:var(--rule);color:var(--text-primary)}.adh-row__n{color:var(--text-muted);font-variant-numeric:tabular-nums;font-size:var(--type-small);font-weight:500}.adh-row__title{flex-direction:column;gap:2px;min-width:0;display:flex}.adh-row__title-lead{color:var(--text-primary);font-weight:500;line-height:1.3}.adh-row__title-lead[lang=ta]{font-size:1.1em}.adh-row__title-sub{color:var(--text-muted);font-size:var(--type-small);line-height:1.3}.adh-row__themes{gap:var(--sp-1);flex-wrap:wrap;justify-content:flex-end;max-width:18rem;display:flex}.adh-row__theme{padding:2px var(--sp-2);border-radius:var(--chip-radius);background:var(--surface-panel);color:var(--text-secondary);font-size:var(--type-micro);border:1px solid var(--rule);white-space:nowrap;display:inline-block}@media (max-width:768px){.adh-row{grid-template-rows:auto auto;grid-template-columns:2.5rem 1fr}.adh-row__themes{grid-column:1/-1;justify-content:flex-start;max-width:none}}.about{gap:var(--sp-5);width:100%;max-width:62ch;padding-top:var(--sp-4);flex-direction:column;margin:0 auto;display:flex}.about__head{gap:var(--sp-2);flex-direction:column;display:flex}.about__title{color:var(--text-primary);letter-spacing:-.005em;margin:0;font-size:clamp(1.75rem,3.6vw,2.5rem);font-weight:600;line-height:1.15}.about__prose{gap:var(--sp-4);flex-direction:column;display:flex}.about__prose p{color:var(--text-secondary);font-size:var(--type-body);margin:0;line-height:1.7}.about__note{padding-top:var(--sp-4);border-top:1px solid var(--rule);color:var(--text-muted);font-size:var(--type-small);max-width:58ch;margin:0;font-style:italic;line-height:1.6}.about__section{gap:var(--sp-3);padding-top:var(--sp-3);flex-direction:column;display:flex}.about__section-title{font-size:var(--type-h2);color:var(--text-primary);margin:0;font-weight:600;line-height:1.2}.about__section-lede{color:var(--text-secondary);font-size:var(--type-body);margin:0;line-height:1.65}.about__features{gap:var(--sp-4);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.about__feature{color:var(--text-secondary);font-size:var(--type-body);line-height:1.65}.about__feature-lead{color:var(--text-primary);font-weight:600}.about__closing{padding-top:var(--sp-4);border-top:1px solid var(--rule);color:var(--text-muted);font-size:var(--type-small);margin:0;font-style:italic;line-height:1.6}.about[lang=ta] .about__note,.about[lang=ta] .about__closing{font-style:normal}.app-root{flex-direction:column;min-height:100vh;display:flex}.app-main{padding:var(--sp-5) var(--sp-5) var(--sp-7);max-width:var(--content-max);flex:1;width:100%;margin:0 auto}@media (max-width:640px){.app-main{padding:var(--sp-4) var(--sp-3) var(--sp-6)}}:root{--surface-page:#f5efe0;--surface-panel:#ecdec3;--surface-elevated:#faf5e6;--text-primary:#1a1815;--text-secondary:#3d2f24;--text-muted:#5c4a3a;--accent:#8f4715;--accent-hover:#6f3610;--focus-ring:#b45c1e;--rule:#d4c39e;--rule-strong:#b7a475;--tag-bg:#e5d4a6;--tag-bg-hover:#d9c48a;--edge-structural:#7a6a55;--edge-thematic:#3e5c2a;--node-fill:var(--surface-elevated);--node-fill-focus:#f0d5a8;--node-fill-theme:var(--tag-bg);--paal-aram:#8f4715;--paal-porul:#6b5b3a;--paal-inbam:#8f3a5c;--font-tamil:"Noto Serif Tamil", "Latha", "Nirmala UI", serif;--font-body:"Source Serif 4", "Iowan Old Style", "Georgia", serif;--type-verse:clamp(1.55rem, 4.2vw, 2.5rem);--type-h1:clamp(1.5rem, 3vw, 2rem);--type-h2:clamp(1.25rem, 2.4vw, 1.5rem);--type-h3:1.125rem;--type-body:1rem;--type-small:.875rem;--type-micro:.75rem;--sp-1:.25rem;--sp-2:.5rem;--sp-3:.75rem;--sp-4:1rem;--sp-5:1.5rem;--sp-6:2rem;--sp-7:3rem;--sp-8:4rem;--header-height:3.5rem;--content-max:72rem;--panel-radius:6px;--chip-radius:999px;--motion-focus:.38s cubic-bezier(.4, 0, .2, 1);--motion-quick:.18s cubic-bezier(.4, 0, .2, 1)}@media (prefers-reduced-motion:reduce){:root{--motion-focus:.15s linear;--motion-quick:.1s linear}}@media (max-width:640px){:root{--header-height:6.25rem}}[data-theme=dark]{--surface-page:#1c1712;--surface-panel:#26201a;--surface-elevated:#322a22;--text-primary:#f0e8d5;--text-secondary:#d3c4a7;--text-muted:#9a8b73;--accent:#e08a3c;--accent-hover:#f0a457;--focus-ring:#f0a457;--rule:#3d3428;--rule-strong:#584a3a;--tag-bg:#3d3428;--tag-bg-hover:#4d4234;--edge-structural:#6a5e4e;--edge-thematic:#8fb85c;--node-fill:var(--surface-elevated);--node-fill-focus:#5a4326;--node-fill-theme:var(--tag-bg);--paal-aram:#e08a3c;--paal-porul:#c8b06b;--paal-inbam:#d97b9b}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;font-size:100%}body{background:var(--surface-page);color:var(--text-primary);font-family:var(--font-body);font-size:var(--type-body);font-optical-sizing:auto;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;min-height:100vh;margin:0;padding:0;line-height:1.55}h1,h2,h3,h4,h5,h6,p{margin:0}[lang=ta]{font-family:var(--font-tamil);font-feature-settings:"kern" 1}a{color:var(--accent);transition:border-color var(--motion-quick), color var(--motion-quick);border-bottom:1px solid #0000;text-decoration:none}a:hover{color:var(--accent-hover);border-bottom-color:currentColor}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:none;margin:0;padding:0}:where(a,button,input,select,textarea,[tabindex]):focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px;border-radius:3px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{background:var(--surface-elevated);color:var(--text-primary);padding:var(--sp-2) var(--sp-4);transition:transform var(--motion-quick);z-index:100;border:1px solid var(--rule);border-top:none;border-left:none;border-bottom-right-radius:4px;position:absolute;top:0;left:0;transform:translateY(-100%)}.skip-link:focus{transform:translateY(0)}