:root{--bg:#0f2f28;--bg-soft:#163d34;--panel:#f4f7f5;--ink:#12241f;--muted:#5b6f68;--accent:#1f7a5c;--accent-dark:#145743;--danger:#9b2c2c;--border:#d5e0db;color:var(--ink);background:radial-gradient(circle at 0 0,#2a6b55 0%,#0000 40%),linear-gradient(160deg,#0f2f28 0%,#1a463c 45%,#0c241f 100%);min-height:100vh;font-family:Segoe UI,Trebuchet MS,sans-serif;line-height:1.5}*{box-sizing:border-box}body{min-height:100vh;margin:0}#root{min-height:100vh}.page-shell{flex-direction:column;min-height:100vh;display:flex}.site-header{color:#fff;z-index:30;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0c241fd1;border-bottom:1px solid #ffffff1f;justify-content:space-between;align-items:center;gap:16px;padding:16px 24px;display:flex;position:sticky;top:0}.site-brand{color:#fff;align-items:center;gap:10px;font-weight:700;text-decoration:none;display:inline-flex}.site-brand-mark{letter-spacing:.04em;background:linear-gradient(145deg,#3aa882,#1f7a5c);border-radius:10px;place-items:center;width:36px;height:36px;font-size:.75rem;display:inline-grid}.site-brand-text{font-size:1rem}.site-nav{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.nav-link{color:#ffffffd1;border-radius:999px;padding:8px 12px;font-weight:600;text-decoration:none}.nav-link:hover,.nav-link.active{color:#fff;background:#ffffff1f}.site-header-right{align-items:center;gap:10px;display:flex}.nav-cta{color:#fff;background:var(--accent);border-radius:999px;padding:9px 16px;font-weight:700;text-decoration:none}.nav-cta:hover{background:var(--accent-dark)}.home-hero{color:#fff;max-width:980px;margin:0 auto;padding:64px 24px 40px}.home-hero h1{max-width:14ch;margin:10px 0 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14px;font-size:1.15rem;font-weight:800}.intro-lang-label{letter-spacing:.06em;text-transform:uppercase;font-weight:800;color:var(--accent-dark)!important;margin:0 0 12px!important;font-size:.8rem!important}.script-telugu{font-family:Noto Sans Telugu,Segoe UI,sans-serif;line-height:1.8}.script-kannada{font-family:Noto Sans Kannada,Segoe UI,sans-serif;line-height:1.8}.script-tamil{font-family:Noto Sans Tamil,Segoe UI,sans-serif;line-height:1.8}.script-malayalam{font-family:Noto Sans Malayalam,Segoe UI,sans-serif;line-height:1.8}.script-gujarati{font-family:Noto Sans Gujarati,Segoe UI,sans-serif;line-height:1.8}.script-bengali{font-family:Noto Sans Bengali,Segoe UI,sans-serif;line-height:1.8}.script-gurmukhi{font-family:Noto Sans Gurmukhi,Segoe UI,sans-serif;line-height:1.8}.script-odia{font-family:Noto Sans Oriya,Segoe UI,sans-serif;line-height:1.8}.script-devanagari{font-family:Noto Sans Devanagari,Segoe UI,sans-serif;line-height:1.8}.script-arabic{text-align:right;direction:rtl;font-family:Noto Sans Arabic,Segoe UI,sans-serif;line-height:1.9}.script-chinese{font-family:Noto Sans SC,Segoe UI,sans-serif;line-height:1.8}.script-japanese{font-family:Noto Sans JP,Segoe UI,sans-serif;line-height:1.8}.script-korean{font-family:Noto Sans KR,Segoe UI,sans-serif;line-height:1.8}.script-cyrillic,.script-latin{font-family:Segoe UI,Trebuchet MS,sans-serif;line-height:1.7}.home-section{width:100%;max-width:1100px;margin:0 auto;padding:10px 24px 48px}.home-section.first{padding-top:32px}.home-card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.home-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:0 14px 34px #0000002e}.home-section-head{color:#fff;margin-bottom:14px}.home-section-head h2{margin:0 0 4px;font-size:1.55rem}.home-section-head p{color:#ffffffb8;margin:0}.home-panel{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:0 14px 34px #0000002e}.home-panel p{color:var(--muted);margin:0 0 12px}.home-panel p:last-child{margin-bottom:0}.course-stack{gap:18px;display:grid}.course-block{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:0 14px 34px #00000024}.course-block-title-row,.class-detail-heading{justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px;display:flex}.course-block-title-row h3,.class-detail-heading h4{margin:0}.class-lang-badge{color:var(--accent-dark);letter-spacing:.03em;white-space:nowrap;background:#dff3ea;border-radius:999px;align-items:center;padding:4px 10px;font-size:.75rem;font-weight:700;display:inline-flex}.course-block-head p{color:var(--muted);margin:0}.class-layout{gap:14px;margin-top:16px;display:grid}.class-tabs{flex-wrap:wrap;gap:8px;display:flex}button.class-tab{color:var(--ink);background:#e7efeb;border-radius:999px;padding:8px 12px;font-size:.92rem}button.class-tab.active{background:var(--accent);color:#fff}.class-detail-panel{border:1px solid var(--border);background:#fbfcfb;border-radius:12px;padding:16px}.class-detail-panel h4{color:var(--accent-dark);margin:0 0 12px}.class-detail-block{margin-bottom:14px}.class-detail-block:last-child{margin-bottom:0}.class-detail-block h5{letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin:0 0 6px;font-size:.85rem}.class-detail-block p{color:var(--ink);margin:0 0 8px}.class-detail-block p:last-child{margin-bottom:0}.muted-note{color:var(--muted);margin:10px 0 0}.home-card h3{margin:0 0 8px;font-size:1.1rem}.home-error{margin-top:12px}.curriculum-list{gap:12px;display:grid}.curriculum-item{background:var(--panel);border:1px solid var(--border);border-radius:16px;grid-template-columns:auto 1fr;gap:14px;padding:18px 20px;display:grid;box-shadow:0 14px 34px #00000024}.curriculum-index{color:var(--accent);font-size:1.1rem;font-weight:800;line-height:1.2}.curriculum-item h3{margin:0 0 4px}.curriculum-item p{color:var(--muted);margin:0}.curriculum-course{font-size:.88rem;font-weight:700;color:var(--accent-dark)!important;margin-bottom:6px!important}.home-lead+.home-lead{margin-top:10px}.home-card p{color:var(--muted);margin:0}.site-footer{color:#ffffffa6;text-align:center;margin-top:auto;padding:18px 24px 28px;font-size:.9rem}.brand.light{color:#8fd4ba}.auth-shell.compact{flex:1;min-height:auto}.dash-header.compact{margin-top:8px}.dash-header.compact h1{color:#fff}.page-center{color:#fff;place-items:center;min-height:100vh;display:grid}.auth-shell{place-items:center;min-height:100vh;padding:24px;display:grid}.auth-card,.dash-panel{background:var(--panel);border:1px solid var(--border);border-radius:16px;width:min(440px,100%);padding:28px;box-shadow:0 18px 50px #00000040}.brand{letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin:0;font-size:.75rem;font-weight:700}.auth-card h1,.dash-header h1{margin:8px 0 4px;font-size:1.8rem}.subtitle,.welcome{color:var(--muted);margin-top:0}.auth-form{gap:14px;margin-top:20px;display:grid}.auth-form label{gap:6px;font-size:.92rem;font-weight:600;display:grid}.auth-form input{border:1px solid var(--border);font:inherit;border-radius:8px;padding:10px 12px}button{font:inherit;background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:11px 14px;font-weight:600}button:hover{background:var(--accent-dark)}button:disabled{opacity:.7;cursor:wait}button.ghost{color:#fff;background:0 0;border:1px solid #ffffff59}.error{color:var(--danger);font-weight:600}.demo-hint{border-top:1px solid var(--border);color:var(--muted);margin-top:22px;padding-top:16px;font-size:.9rem}.demo-hint ul{margin:8px 0 0;padding-left:18px}.dash-shell{max-width:860px;margin:0 auto;padding:32px 20px 48px}.dash-shell.wide{max-width:1100px}.dash-header{color:#fff;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px;display:flex}.header-sub{color:#ffffffbf;margin:0}.header-actions{align-items:center;gap:10px;display:flex}.header-user{position:relative}.header-user-trigger{color:#fff;background:#ffffff14;border:1px solid #ffffff47;border-radius:999px;align-items:center;gap:10px;padding:6px 10px 6px 14px;display:inline-flex}.header-user-trigger:hover{background:#ffffff29}.header-user-name{text-overflow:ellipsis;white-space:nowrap;max-width:160px;font-weight:600;overflow:hidden}.user-avatar{color:#fff;letter-spacing:.02em;background:linear-gradient(145deg,#3aa882 0%,#1f7a5c 100%);border-radius:50%;flex-shrink:0;place-items:center;width:36px;height:36px;font-size:.78rem;font-weight:700;display:inline-grid;box-shadow:inset 0 0 0 2px #ffffff59}.header-user-menu{background:var(--panel);min-width:220px;color:var(--ink);border:1px solid var(--border);z-index:20;border-radius:12px;padding:10px;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 14px 34px #00000047}.header-user-meta{border-bottom:1px solid var(--border);margin-bottom:8px;padding:8px 8px 12px}.header-user-meta-name{margin:0;font-weight:700}.header-user-meta-role,.header-user-meta-email{color:var(--muted);margin:2px 0 0;font-size:.85rem}.header-user-menu button{background:#2f4f46;width:100%}.ghost-link{color:#fff;border:1px solid #ffffff59;border-radius:8px;padding:10px 14px;font-weight:600;text-decoration:none}.dash-panel{width:100%;margin-bottom:18px}.role-badge{color:var(--accent-dark);letter-spacing:.04em;background:#dff3ea;border-radius:999px;padding:4px 10px;font-size:.8rem;font-weight:700;display:inline-block}.dash-panel h2{margin-top:0;margin-bottom:8px}.dash-panel ul{margin:0;padding-left:18px}.admin-cta{margin-top:18px}.admin-cta a{color:var(--accent-dark);font-weight:700}.role-tabs{gap:8px;margin:12px 0 18px;display:flex}button.tab{color:var(--ink);background:#e7efeb}button.tab.active{background:var(--accent);color:#fff}button.secondary{background:#2f4f46}.admin-form{gap:16px;display:grid}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.form-grid label,.admin-form label{gap:6px;font-size:.92rem;font-weight:600;display:grid}.form-grid label.full{grid-column:1/-1}.admin-form input,.admin-form select,.admin-form textarea{border:1px solid var(--border);font:inherit;border-radius:8px;width:100%;padding:10px 12px}.field-label{margin:0 0 8px;font-weight:700}.subject-block{border:1px solid var(--border);border-radius:10px;padding:12px}.chip-list{flex-wrap:wrap;gap:8px;margin-bottom:10px;display:flex}.chip{background:#e7efeb;border-radius:999px;align-items:center;gap:6px;padding:6px 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