:root{--bg:#fff8ef;--surface:#ffffff;--soft:#fff0dc;--text:#21150b;--muted:#6f6258;--primary:#f59e0b;--secondary:#8a1c13;--border:#ead7bf;--shadow:0 16px 40px rgba(71,38,0,.12);--radius:22px}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%}.skip-link{position:absolute;left:-999px}.skip-link:focus{left:1rem;top:1rem;background:var(--secondary);color:#fff;padding:.75rem 1rem;z-index:999}.container{max-width:1120px;margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;background:rgba(255,248,239,.92);backdrop-filter:blur(14px);z-index:100;border-bottom:1px solid var(--border)}.topbar{text-align:center;font-size:.9rem;color:#fff;background:linear-gradient(90deg,var(--secondary),#c65f16);padding:.45rem}.nav-wrap{max-width:1120px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:1rem 20px}.brand{font-size:1.35rem;font-weight:800;color:var(--secondary)}.main-nav{display:flex;gap:1rem;align-items:center}.main-nav a{font-weight:700;color:#41271a;font-size:.95rem}.main-nav a:hover{color:var(--primary)}.menu-toggle{display:none;border:1px solid var(--border);background:#fff;border-radius:12px;padding:.5rem}.hero{background:radial-gradient(circle at 20% 20%,rgba(245,158,11,.25),transparent 35%),linear-gradient(135deg,#5f130d,#e67619);color:#fff;padding:5.5rem 0;text-align:center}.small-hero{padding:4.2rem 0}.hero h1{font-size:clamp(2.2rem,6vw,4.8rem);margin:.2rem 0;font-weight:900}.hero p{font-size:1.15rem;max-width:720px;margin:.6rem auto 0;color:#fff4e6}.section{padding:4rem 0}.section.soft{background:var(--soft)}.section-head{text-align:center;margin-bottom:1.8rem}.section-head h2{font-size:2.1rem;margin:.2rem 0;color:var(--secondary)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.3rem}.grid.three{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.card,.info-card,.panchangam-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.4rem}.card .num{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;border-radius:50%;background:var(--soft);color:var(--secondary);font-weight:900}.card h3{margin:.8rem 0 .2rem;color:var(--secondary);font-size:1.35rem}.card h4{margin:.1rem 0 1rem;color:var(--muted)}.tags{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1rem}.tag{background:#fff2d7;border:1px solid #f6d28b;color:#704006;border-radius:999px;padding:.22rem .65rem;font-size:.82rem;font-weight:700}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;background:var(--primary);color:#fff;font-weight:800;padding:.85rem 1.25rem;margin-top:1rem;cursor:pointer}.btn:hover{background:#d97706}.center{text-align:center}.narrow{max-width:760px}.search-box{width:100%;padding:1rem 1.1rem;border-radius:16px;border:1px solid var(--border);font-size:1rem;background:#fff;margin-bottom:1.2rem}.answer-box{background:#fff7ea;border-left:4px solid var(--primary);padding:1rem;border-radius:12px;min-height:56px}.eyebrow{text-transform:uppercase;letter-spacing:.1em;font-size:.75rem;font-weight:900;color:var(--primary)}.site-footer{background:#21150b;color:#f8ead7;padding:3rem 0 1rem}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:1.5rem}.footer-grid a{display:block;color:#f3c98d;margin:.35rem 0}.copyright{text-align:center;color:#cdbba8;margin:2rem 0 0}@media(max-width:760px){.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff8ef;border-bottom:1px solid var(--border);padding:1rem 20px;flex-direction:column;align-items:flex-start}.main-nav.open{display:flex}.footer-grid{grid-template-columns:1fr}.section{padding:2.7rem 0}}



/* Batch 06A Dynamic Content Engine Additions */
.page-shell{width:min(1120px,calc(100% - 2rem));margin:0 auto}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.2rem}.content-section{padding:3rem 0}.dynamic-card .btn-secondary{background:#7f1d1d}.dynamic-card .btn-secondary:hover{background:#5f130d}.detail-shell{padding-top:2.5rem;padding-bottom:4rem}.detail-hero{padding:clamp(2rem,5vw,4rem);margin-bottom:1.4rem;background:linear-gradient(135deg,#fff,#fff7e8)}.detail-hero h1{font-size:clamp(2rem,6vw,4.2rem);line-height:1.05;margin:.3rem 0;color:var(--secondary)}.lead{font-size:1.15rem;color:var(--muted);max-width:760px}.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.2rem}.detail-section{padding:1.4rem}.detail-section h2{margin:.1rem 0 .75rem;color:var(--secondary);font-size:1.35rem}.detail-list{padding-left:1.2rem}.detail-list li{margin:.35rem 0}.sloka-text{font-size:1.35rem;line-height:1.9;color:var(--secondary);font-weight:800}.breadcrumb-line{margin:1.5rem 0 0}.breadcrumb-line a{font-weight:800;color:var(--secondary)}.empty-state,.loading-state{padding:2rem;text-align:center;border:1px dashed var(--border);border-radius:var(--radius);background:#fff}.back-to-top{position:fixed;right:1rem;bottom:1rem;width:44px;height:44px;border-radius:999px;border:0;background:var(--secondary);color:#fff;font-size:1.2rem;font-weight:900;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease}.back-to-top.visible{opacity:1;pointer-events:auto}.back-to-top:hover{transform:translateY(-2px)}.search-label{display:block;margin-bottom:.5rem;font-weight:900;color:var(--secondary)}.search-input{width:100%;padding:1rem 1.1rem;border-radius:16px;border:1px solid var(--border);font-size:1rem;background:#fff;margin-bottom:.75rem}.practice-box{background:#fff7ea;border-left:4px solid var(--primary);border-radius:12px;padding:1rem;margin:1rem 0}.timeline-item{position:relative}.timeline-item+.timeline-item{margin-top:1rem}@media(max-width:760px){.detail-grid{grid-template-columns:1fr}.detail-hero{padding:1.5rem}.main-nav.open,.nav.open{display:flex}}

/* Batch 06B Learning, Media and Bilingual Content */
.ta-text{font-size:1.05rem;color:#7f1d1d;line-height:1.8}.small-note{color:var(--muted);font-size:.92rem}.quiz-stack{display:grid;gap:1.2rem}.quiz-card{max-width:900px}.quiz-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.75rem;margin:1rem 0}.quiz-option{border:1px solid var(--border);background:#fff;border-radius:14px;padding:.85rem;font-weight:800;cursor:pointer;text-align:left}.quiz-option:hover{border-color:var(--primary);background:#fff7ea}.quiz-feedback{font-weight:900}.quiz-feedback.ok{color:#166534}.quiz-feedback.bad{color:#991b1b}.media-card audio{width:100%;margin-top:1rem}.daily-panel h2,.detail-section .ta-text{font-family:system-ui,-apple-system,Segoe UI,Arial,sans-serif}.learning-card ol{padding-left:1.2rem}.learning-card li{margin:.35rem 0}@media(max-width:760px){.quiz-options{grid-template-columns:1fr}}

/* Batch 06C UI Framework, Accessibility and PWA Enhancements */
.scroll-progress{position:fixed;top:0;left:0;height:4px;width:0;background:linear-gradient(90deg,var(--primary),var(--secondary));z-index:1000;box-shadow:0 0 14px rgba(245,158,11,.35)}
.osb-utility-bar{position:fixed;right:1rem;top:42%;display:flex;flex-direction:column;gap:.5rem;z-index:120;pointer-events:auto}.utility-btn{border:1px solid var(--border);background:rgba(255,255,255,.94);color:var(--secondary);border-radius:999px;padding:.6rem .7rem;font-weight:900;box-shadow:0 8px 24px rgba(71,38,0,.12);cursor:pointer;min-width:44px}.utility-btn:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}.toast-wrap{position:fixed;right:1rem;bottom:4.5rem;display:grid;gap:.5rem;z-index:150}.toast{background:#21150b;color:#fff;padding:.8rem 1rem;border-radius:14px;box-shadow:var(--shadow);font-weight:800;transition:opacity .25s ease,transform .25s ease}.toast.hide{opacity:0;transform:translateY(8px)}
.fade-in-card{animation:osbFadeUp .45s ease both;animation-delay:var(--delay,0ms)}@keyframes osbFadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
body.font-large{font-size:18px}body.font-large .container,body.font-large .page-shell{max-width:1040px}body.theme-dark{--bg:#130d09;--surface:#20140e;--soft:#2a1a12;--text:#fff4e6;--muted:#d6bfa7;--border:#4b2d1e;--shadow:0 16px 40px rgba(0,0,0,.28);background:var(--bg);color:var(--text)}body.theme-dark .site-header{background:rgba(19,13,9,.93)}body.theme-dark .main-nav a{color:#fff0dc}body.theme-dark .card,body.theme-dark .info-card,body.theme-dark .panchangam-card,body.theme-dark .search-input,body.theme-dark .search-box{background:var(--surface);color:var(--text)}body.theme-dark .tag{background:#3b2618;border-color:#6b4425;color:#ffd08a}body.theme-dark .detail-hero{background:linear-gradient(135deg,#20140e,#2a1a12)}body.theme-dark .answer-box,body.theme-dark .practice-box{background:#2a1a12}
.card{transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}.card:hover{transform:translateY(-3px);border-color:#f2bf65;box-shadow:0 22px 50px rgba(71,38,0,.16)}.btn{transition:transform .18s ease,background .18s ease}.btn:hover{transform:translateY(-1px)}
@media(max-width:760px){.osb-utility-bar{top:auto;right:.75rem;bottom:4.2rem;flex-direction:row}.utility-btn{padding:.55rem .65rem;font-size:.86rem}.toast-wrap{left:.75rem;right:.75rem;bottom:7.4rem}.toast{text-align:center}.back-to-top{bottom:.75rem}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.001ms!important}.fade-in-card{animation:none!important}}
@media print{.site-header,.site-footer,.osb-utility-bar,.back-to-top,.scroll-progress,.toast-wrap{display:none!important}body{background:#fff;color:#000}.card{box-shadow:none;border:1px solid #ccc}}

/* Batch 07 Murugan Encyclopedia */
.encyclopedia-card,.name-card,.legend-card{position:relative;overflow:hidden}.encyclopedia-card::after,.legend-card::after{content:"ॐ";position:absolute;right:1rem;bottom:-.6rem;font-size:4rem;color:rgba(245,158,11,.12);font-weight:900}.name-card .num{margin-bottom:.5rem}.legend-card .practice-box{margin-top:1rem}.quick-topic-row{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center;margin:1rem 0 2rem}.quick-topic-row .btn{margin-top:0}@media(max-width:760px){.quick-topic-row{justify-content:flex-start}}


/* Batch 14-16 shared production polish */
:root{--om-bg:#fff8ef;--om-card:#fffdf9;--om-text:#2b170f;--om-muted:#735b4d;--om-red:#9b1c16;--om-orange:#f59a00;--om-border:#efd5b8;--om-shadow:0 22px 60px rgba(96,45,12,.12);--om-radius:28px;}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 20% 0%,#fff4de 0,#fff8ef 35%,#fffdf9 100%);color:var(--om-text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;line-height:1.65}.site-topbar,.top-ribbon{background:linear-gradient(90deg,#9b1c16,#d96d00);color:#fff;text-align:center;padding:.45rem 1rem;font-weight:700}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,248,239,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--om-border)}.header-container{max-width:1160px;margin:auto;padding:1rem 1.2rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}.logo-text{font-size:1.6rem;font-weight:900;color:var(--om-red);text-decoration:none}#primary-navigation ul,.nav-links{display:flex;gap:1.2rem;list-style:none;margin:0;padding:0}#primary-navigation a,.nav-links a{color:var(--om-text);text-decoration:none;font-weight:800}.page-shell,.container{max-width:1160px;margin:auto;padding:2rem 1.2rem}.page-hero,.hero-card{background:linear-gradient(135deg,rgba(255,255,255,.95),rgba(255,244,224,.84));border:1px solid var(--om-border);border-radius:var(--om-radius);box-shadow:var(--om-shadow);padding:4rem 3rem;margin:2rem auto}.page-hero h1,.hero-card h1{font-size:clamp(2.4rem,7vw,5rem);line-height:.95;color:var(--om-red);margin:.5rem 0}.eyebrow{letter-spacing:.25em;text-transform:uppercase;color:var(--om-orange);font-weight:900;font-size:.78rem}.grid,.library-grid,.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.2rem}.card,.library-card,.reader-panel,.admin-card,.om-card{background:rgba(255,255,255,.9);border:1px solid var(--om-border);border-radius:22px;box-shadow:var(--om-shadow);padding:1.5rem}.btn,.btn-small,button,.action-btn{border:0;border-radius:999px;background:var(--om-orange);color:#fff;font-weight:900;padding:.75rem 1rem;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:.35rem}.btn-outline,.btn-small{background:#fff;color:var(--om-red);border:1px solid var(--om-border)}input,select,textarea{width:100%;border:1px solid var(--om-border);border-radius:999px;padding:.8rem 1rem;background:#fff;font:inherit}.pill,.tag{display:inline-flex;border:1px solid #ffc15d;border-radius:999px;padding:.25rem .6rem;font-size:.78rem;color:#8a3500;background:#fffaf0;margin:.15rem}.parallel-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.tamil,[lang="ta"]{font-family:system-ui,"Noto Sans Tamil",Latha,sans-serif}.reader-text{font-size:1.1rem}.source-note{border-left:4px solid var(--om-orange);padding-left:1rem;color:var(--om-muted)}.empty-state{padding:2rem;text-align:center;border:1px dashed var(--om-border);border-radius:22px;background:#fff}.utility-dock{position:fixed;right:1rem;bottom:5rem;z-index:1200;display:flex;flex-direction:column;gap:.65rem;background:rgba(255,255,255,.72);backdrop-filter:blur(16px);border:1px solid var(--om-border);border-radius:999px;padding:.6rem;box-shadow:var(--om-shadow)}.utility-dock button{background:#fff;color:var(--om-red);border:1px solid var(--om-border);min-width:96px;justify-content:center}.toast{position:fixed;bottom:1.2rem;left:50%;transform:translateX(-50%);background:#25130d;color:#fff;padding:.8rem 1.2rem;border-radius:999px;z-index:2000}.night-mode{background:#160d09;color:#fff}.night-mode .site-header,.night-mode .card,.night-mode .library-card,.night-mode .reader-panel,.night-mode .page-hero,.night-mode .om-card{background:#24140e;color:#fff;border-color:#573221}.night-mode a{color:#ffd28c}.skip-link{position:absolute;left:-999px}.skip-link:focus{left:1rem;top:1rem;background:#fff;padding:.7rem;z-index:9999}#mobile-menu-toggle{display:none}.table-wrap{overflow:auto}.status-table{width:100%;border-collapse:collapse;background:#fff;border-radius:18px;overflow:hidden}.status-table th,.status-table td{border-bottom:1px solid var(--om-border);padding:.8rem;text-align:left}.status-good{color:#177245;font-weight:900}.status-review{color:#a45a00;font-weight:900}.status-bad{color:#b00020;font-weight:900}@media(max-width:760px){.header-container{align-items:flex-start;flex-direction:column}#primary-navigation ul,.nav-links{flex-wrap:wrap;font-size:.9rem}.page-hero,.hero-card{padding:2rem 1.2rem}.parallel-grid{grid-template-columns:1fr}.utility-dock{right:.5rem;bottom:1rem}.utility-dock button{min-width:72px;font-size:.78rem}}