:root{--bg:#f6f8ff;--card:#fff;--tx:#0f172a;--mut:#64748b;--bd:#e6eaf7;--soft:#eef2ff;--b:#2563eb;--v:#7c3aed;--c:#06b6d4;--ok:#10b981;--warn:#f59e0b;--bad:#ef4444;--g:linear-gradient(135deg,#2563eb,#7c3aed 55%,#06b6d4);--sh:0 10px 30px -14px rgba(37,99,235,.3);--r:18px;--side:264px}
[data-theme=dark]{--bg:#060a18;--card:#0e1430;--tx:#e8ecff;--mut:#93a0c6;--bd:#1d2750;--soft:#151d42;--sh:0 10px 30px -14px #000b}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:15px/1.55 "Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--tx);background:radial-gradient(900px 400px at 100% -10%,rgba(124,58,237,.08),transparent),radial-gradient(800px 400px at 0 0,rgba(6,182,212,.08),transparent),var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3,p{margin:0}h2{font-size:1.5rem;letter-spacing:-.02em}h3{font-size:1.05rem}
button,input,select,textarea{font:inherit;color:inherit}
.skip-link{position:absolute;left:-999px}.skip-link:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:99}
.muted{color:var(--mut)}.ic{flex:none;vertical-align:middle}
.app{display:flex;min-height:100vh}
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--side);background:var(--card);border-right:1px solid var(--bd);padding:20px 14px;display:flex;flex-direction:column;gap:16px;z-index:20}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit;padding:4px 6px}
.brand-logo,.top-logo{border-radius:14px;object-fit:cover;box-shadow:0 6px 18px -6px rgba(37,99,235,.6)}
.brand-text strong{display:block;font-size:1.05rem;line-height:1.2}.brand-text small{color:var(--mut);font-size:.72rem}
.nav{display:flex;flex-direction:column;gap:4px;flex:1;overflow:auto}
.nav a{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:12px;color:var(--mut);text-decoration:none;font-weight:600;transition:.2s}
.nav a:hover{background:var(--soft);color:var(--tx)}
.nav a.active{background:var(--g);color:#fff;box-shadow:0 8px 20px -8px rgba(37,99,235,.7)}
.side-foot .mini{background:var(--soft);border-radius:14px;padding:14px;font-size:.85rem}
.main-wrap{margin-left:var(--side);flex:1;min-width:0}
.topbar{position:sticky;top:0;z-index:15;display:flex;align-items:center;gap:12px;padding:14px 28px;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--bd)}
.top-logo{display:none}.top-title{flex:1;min-width:0}.top-title h1{font-size:1.15rem}.top-title span{font-size:.8rem}
.top-actions{display:flex;gap:8px;align-items:center}
.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--bd);background:var(--card);display:grid;place-items:center;cursor:pointer;transition:.2s}
.icon-btn:hover{border-color:var(--b);color:var(--b);transform:translateY(-1px)}
.mini-timer{background:var(--g);color:#fff;padding:8px 14px;border-radius:12px;font-weight:700;text-decoration:none;font-variant-numeric:tabular-nums}
.view{padding:26px 28px 40px;max-width:1280px;margin:auto;animation:in .35s ease}
@keyframes in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.row.end{justify-content:flex-end;margin-top:16px}.row.c{justify-content:center}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--bd);background:var(--card);padding:10px 16px;border-radius:12px;font-weight:600;cursor:pointer;transition:.2s;text-decoration:none}
.btn:hover{transform:translateY(-1px);border-color:var(--b)}
.btn.primary{background:var(--g);color:#fff;border:0;box-shadow:0 8px 20px -8px rgba(37,99,235,.7)}
.btn.danger{background:var(--bad);color:#fff;border:0}.btn.sm{padding:6px 12px;font-size:.85rem}
.card{background:var(--card);border:1px solid var(--bd);border-radius:var(--r);padding:20px;box-shadow:var(--sh);margin-bottom:18px}
.card-h{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:14px}
.grid{display:grid;gap:18px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.grid>.card{margin:0}
.hero{display:flex;justify-content:space-between;align-items:center;gap:20px;background:var(--g);color:#fff;border-radius:24px;padding:28px;margin-bottom:18px;box-shadow:0 20px 40px -18px rgba(79,70,229,.7);overflow:hidden}
.hero h2{font-size:1.9rem}.hero p{opacity:.92;margin:6px 0 16px;max-width:520px}.hero .btn{background:#fff;color:#1e3a8a;border:0}.hero .btn.ghost{background:rgba(255,255,255,.18);color:#fff}
.hero img{width:150px;height:150px;border-radius:26px;object-fit:cover;box-shadow:0 16px 40px -10px #0008;flex:none}
.stat{display:flex;gap:14px;align-items:center}.stat-ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--soft);color:var(--b)}
.stat-v{font-size:1.5rem;font-weight:800;line-height:1.1}.stat-l{font-size:.8rem;color:var(--mut)}
.list{display:flex;flex-direction:column;gap:10px}
.item{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border:1px solid var(--bd);border-radius:14px;background:var(--card);transition:.2s}
.item:hover{border-color:var(--b);box-shadow:var(--sh)}.item.done b{text-decoration:line-through;opacity:.55}
.item .grow{flex:1;min-width:0}.item p{font-size:.85rem;margin-top:4px;color:var(--mut)}
.check{width:26px;height:26px;border-radius:50%;border:2px solid var(--bd);background:transparent;display:grid;place-items:center;cursor:pointer;color:transparent;flex:none;transition:.2s}
.check:hover{border-color:var(--b)}.check.on{background:var(--ok);border-color:var(--ok);color:#fff}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.chip{font-size:.72rem;font-weight:600;padding:3px 10px;border-radius:99px;background:var(--soft);color:var(--mut)}
.chip[style]{background:color-mix(in srgb,var(--c) 15%,transparent);color:var(--c)}
.chip.bad,.chip.pr-high{background:rgba(239,68,68,.14);color:var(--bad)}.chip.warn,.chip.pr-med{background:rgba(245,158,11,.16);color:#b45309}.chip.pr-low{background:rgba(16,185,129,.14);color:#047857}
.acts{display:flex;gap:2px}.ib{width:32px;height:32px;border-radius:9px;border:0;background:transparent;color:var(--mut);cursor:pointer;display:grid;place-items:center}.ib:hover{background:var(--soft);color:var(--b)}.ib.on{color:var(--warn)}
.bar{height:8px;border-radius:9px;background:var(--soft);overflow:hidden}.bar i{display:block;height:100%;background:var(--g);border-radius:9px;transition:width .5s}
.empty{text-align:center;padding:26px 10px;color:var(--mut)}.empty b{display:block;color:var(--tx)}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.search{flex:1;min-width:180px;display:flex;align-items:center;gap:8px;border:1px solid var(--bd);border-radius:12px;padding:0 12px;background:var(--card)}.search input{border:0;outline:0;background:transparent;flex:1;padding:10px 0}
select,input:not([type=checkbox]):not([type=range]),textarea{border:1px solid var(--bd);background:var(--card);border-radius:12px;padding:10px 12px;outline:0;width:100%}
.filters select{width:auto}input:focus,select:focus,textarea:focus{border-color:var(--b);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.search input{border:0;box-shadow:none!important;padding:10px 0}
.field{display:block;margin-bottom:12px;font-size:.82rem;font-weight:600;color:var(--mut)}.field>*{margin-top:5px;font-weight:400;color:var(--tx)}
.mback{position:fixed;inset:0;background:rgba(8,12,30,.55);backdrop-filter:blur(4px);display:grid;place-items:center;padding:16px;z-index:60;animation:in .2s}
.modal{background:var(--card);border-radius:22px;padding:24px;width:100%;max-width:480px;max-height:90vh;overflow:auto;box-shadow:0 30px 70px -20px #000a}.modal h3{margin-bottom:14px}
.tt{display:grid;grid-template-columns:repeat(7,minmax(130px,1fr));gap:10px;overflow-x:auto}
.tt-col{background:var(--soft);border-radius:14px;padding:10px;min-height:120px}.tt-col h4{margin:0 0 8px;font-size:.8rem;color:var(--mut);text-transform:uppercase;letter-spacing:.06em}.tt-col.today{outline:2px solid var(--b)}
.tt-item{background:var(--card);border-left:4px solid var(--c);border-radius:10px;padding:8px 10px;margin-bottom:8px;font-size:.82rem}.tt-item b{display:block}
.count{font-size:1.8rem;font-weight:800;background:var(--g);-webkit-background-clip:text;background-clip:text;color:transparent}
input[type=range]{width:100%;accent-color:var(--v)}
.note{display:flex;flex-direction:column;gap:6px}.note p{white-space:pre-wrap;word-break:break-word;color:var(--mut);font-size:.88rem}
.tc{text-align:center}.seg{display:inline-flex;background:var(--soft);border-radius:14px;padding:4px;margin-bottom:18px}
.seg button{border:0;background:transparent;padding:8px 16px;border-radius:10px;font-weight:600;cursor:pointer;color:var(--mut)}.seg button.on{background:var(--card);color:var(--b);box-shadow:var(--sh)}
.ring{position:relative;width:min(280px,70vw);margin:0 auto 18px}.ring svg{width:100%;transform:rotate(-90deg)}.ring circle{fill:none;stroke-width:8}
.rb{stroke:var(--soft)}.rf{stroke:url(#rg);stroke-linecap:round;stroke-dasharray:339.29;transition:stroke-dashoffset .3s linear}
.rt{position:absolute;inset:0;display:grid;place-content:center}.rt b{font-size:3rem;font-variant-numeric:tabular-nums;letter-spacing:-.03em}.rt span{color:var(--mut)}
.chart{display:flex;gap:10px;align-items:flex-end;height:150px}.chart div{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:6px;font-size:.72rem;color:var(--mut)}.chart i{width:100%;max-width:34px;background:var(--g);border-radius:8px 8px 3px 3px;min-height:4px}
.hab{display:grid;grid-template-columns:1fr repeat(7,30px) auto;gap:6px;align-items:center;padding:8px 0;border-bottom:1px solid var(--bd)}.hab .dn{text-align:center;font-size:.68rem;color:var(--mut)}
.dot{width:28px;height:28px;border-radius:9px;border:1px solid var(--bd);background:transparent;cursor:pointer;color:transparent;display:grid;place-items:center}.dot.on{background:var(--ok);border-color:var(--ok);color:#fff}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.cal .h{text-align:center;font-size:.75rem;color:var(--mut);font-weight:700}
.day{aspect-ratio:1/.85;border:1px solid var(--bd);background:var(--card);border-radius:12px;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font-weight:600}
.day:hover{border-color:var(--b)}.day.today{background:var(--soft);color:var(--b)}.day.sel{background:var(--g);color:#fff;border:0}.day span{display:flex;gap:3px;height:6px}.day u{width:6px;height:6px;border-radius:50%;background:var(--b)}.day u.e{background:var(--bad)}.day u.g{background:var(--ok)}
.toggle{display:flex;align-items:center;justify-content:space-between;padding:10px 0}.toggle input{width:44px;height:24px;accent-color:var(--b)}
.bottom-nav{display:none}
#toastRoot{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);z-index:80;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{background:#0f172a;color:#fff;padding:10px 18px;border-radius:12px;box-shadow:0 10px 30px -10px #000a;animation:in .25s}
.fc{min-height:160px;display:grid;place-items:center;text-align:center;font-size:1.25rem;font-weight:700;background:var(--soft);border-radius:18px;padding:20px;cursor:pointer;margin-bottom:12px}
@media(max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:899px){
 .sidebar{display:none}.main-wrap{margin:0}.top-logo{display:block}.topbar{padding:calc(10px + env(safe-area-inset-top)) 16px 10px}
 .view{padding:18px 16px calc(100px + env(safe-area-inset-bottom))}.g2,.g3,.g4{grid-template-columns:1fr}.g4.s{grid-template-columns:1fr 1fr}
 .hero{flex-direction:column-reverse;align-items:flex-start;padding:22px}.hero img{width:96px;height:96px;border-radius:20px}.hero h2{font-size:1.5rem}
 .bottom-nav{display:flex;position:fixed;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:30;background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(16px);border:1px solid var(--bd);border-radius:22px;padding:6px;box-shadow:0 14px 40px -10px rgba(37,99,235,.4)}
 .bottom-nav a,.bottom-nav button{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 2px;border:0;background:transparent;color:var(--mut);text-decoration:none;border-radius:16px;cursor:pointer;font-size:.68rem}
 .bottom-nav em{font-style:normal;font-weight:600}.bottom-nav .active{background:var(--g);color:#fff}
 .hab{grid-template-columns:1fr repeat(7,26px) auto;gap:3px}.dot{width:24px;height:24px}
 .tt{grid-template-columns:repeat(7,150px)}#toastRoot{bottom:110px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ===== v2: new components ===== */
.icon-btn{position:relative}
.badge{position:absolute;top:-5px;right:-5px;min-width:18px;height:18px;border-radius:9px;background:var(--bad);color:#fff;font:700 .65rem/18px inherit;font-style:normal;text-align:center;padding:0 4px}
.qa-btn b{font-weight:700}
.footer{margin:10px 28px 30px;padding:24px 20px;border:1px solid var(--bd);border-radius:var(--r);background:var(--card);display:grid;gap:10px;justify-items:center;text-align:center;box-shadow:var(--sh)}
.foot-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px}.foot-links a{color:var(--mut);text-decoration:none;font-weight:600;font-size:.88rem}.foot-links a:hover{color:var(--b)}
.footer p{color:var(--mut);font-size:.82rem}.footer .credit{font-size:.9rem}.footer .credit b{background:var(--g);-webkit-background-clip:text;background-clip:text;color:transparent}
.fab{display:none}
.notice{padding:12px 14px;border-radius:12px;background:var(--soft);font-size:.88rem;margin:6px 0 14px}.notice:empty{display:none}.notice.ok{background:rgba(16,185,129,.14);color:#047857}.notice.bad{background:rgba(239,68,68,.12);color:var(--bad)}
.guide{border:1px dashed var(--b);background:var(--soft)}.guide ol{margin:0 0 14px;padding-left:20px;color:var(--mut)}.guide li{margin:5px 0}
.nextc{display:flex;gap:14px;align-items:center}
.topic{display:flex;gap:10px;align-items:center;padding:5px 0;font-size:.92rem}.topic input{width:20px;height:20px;accent-color:var(--v)}.tdone{text-decoration:line-through;opacity:.6}
.folders{display:flex;gap:8px;overflow-x:auto;padding:2px 0 14px;margin:0;scrollbar-width:none}.folders::-webkit-scrollbar{display:none}
.folders .chip{cursor:pointer;border:0;padding:8px 14px;font-size:.82rem;font-family:inherit;white-space:nowrap;flex:none}.folders .chip.on{background:var(--g);color:#fff}
.mono{font:800 2.3rem/1 ui-monospace,Menlo,Consolas,monospace;text-align:center;margin:8px 0 14px;font-variant-numeric:tabular-nums}
.qa{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px}.qa .btn{justify-content:center}
.legal h3{margin:18px 0 6px}.legal h3:first-child{margin-top:0}.legal p,.legal li{color:var(--mut)}.legal a{color:var(--b)}
.ib.on svg{fill:currentColor}.sm-in{width:84px!important;text-align:center}.sep{border:0;border-top:1px solid var(--bd);margin:20px 0}
.cal-grid{grid-template-columns:1.3fr 1fr}
.card,.btn,.item{transition:box-shadow .25s,transform .2s,border-color .2s}.card:hover{box-shadow:0 16px 38px -16px rgba(37,99,235,.38)}
.btn:active,.ib:active,.day:active,.check:active{transform:scale(.96)}
:focus-visible{outline:3px solid rgba(37,99,235,.45);outline-offset:2px}
a{color:var(--b)}

/* ===== v2: mobile optimisation ===== */
@media(max-width:899px){
 html{-webkit-text-size-adjust:100%}body{font-size:15px}
 input,select,textarea{font-size:16px!important}
 .topbar{gap:10px}.top-title h1{font-size:1.05rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
 .qa-btn{display:none}.mini-timer{padding:6px 10px;font-size:.8rem}
 .view{padding:14px 14px 14px}.page-head{margin-bottom:14px}.page-head h2{font-size:1.3rem}
 .card{padding:16px;border-radius:16px}.grid{gap:14px}
 .hero{border-radius:20px;padding:20px}.hero p{font-size:.9rem}
 .stat{gap:10px}.stat-ic{width:40px;height:40px}.stat-v{font-size:1.15rem;overflow-wrap:anywhere}
 .btn{padding:11px 14px;min-height:44px}.btn.sm{min-height:38px}.ib{width:38px;height:38px}.check{width:30px;height:30px}
 .filters select{flex:1;min-width:120px}
 .qa{grid-template-columns:repeat(3,1fr)}
 .item{padding:12px}.item .acts{flex-direction:row}
 .cal-grid{grid-template-columns:1fr}.cal{gap:4px}.day{aspect-ratio:1/1;border-radius:10px;font-size:.85rem}
 .tt{grid-template-columns:repeat(7,150px);padding-bottom:6px}
 .hab{grid-template-columns:1fr repeat(7,26px);gap:4px}.hab .acts{grid-column:1/-1;justify-content:flex-end}
 .rt b{font-size:2.5rem}.mono{font-size:1.9rem}
 .modal{position:fixed;left:0;right:0;bottom:0;max-width:none;width:100%;border-radius:24px 24px 0 0;padding:20px 18px calc(20px + env(safe-area-inset-bottom));max-height:88vh;animation:sheet .25s ease}
 .mback{place-items:end stretch;padding:0}
 @keyframes sheet{from{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}
 .bottom-nav{left:12px;right:12px;padding:4px;border-radius:20px}.bottom-nav a,.bottom-nav button{padding:6px 2px;font-size:.62rem;min-height:48px;justify-content:center}.bottom-nav .ic{width:20px;height:20px}
 .fab{display:grid;place-items:center;position:fixed;right:16px;bottom:calc(84px + env(safe-area-inset-bottom));width:54px;height:54px;border-radius:50%;border:0;background:var(--g);color:#fff;z-index:31;box-shadow:0 12px 28px -8px rgba(79,70,229,.85);cursor:pointer}
 .view{padding-bottom:20px}
 .footer{margin:6px 14px calc(100px + env(safe-area-inset-bottom));padding:18px 14px}
 #toastRoot{bottom:calc(150px + env(safe-area-inset-bottom))}
}
@media(max-width:380px){.g4.s{grid-template-columns:1fr}.qa{grid-template-columns:repeat(2,1fr)}.hero h2{font-size:1.3rem}}

.side-credit{margin-top:12px;text-align:center;font-size:.8rem;color:var(--mut)}.side-credit b{background:var(--g);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:.9rem}.side-credit a{color:var(--mut);text-decoration:none;font-size:.72rem}.side-credit a:hover{color:var(--b)}

[data-accent=violet]{--b:#7c3aed;--v:#a855f7;--c:#ec4899;--g:linear-gradient(135deg,#7c3aed,#a855f7 55%,#ec4899)}
[data-accent=cyan]{--b:#0891b2;--v:#2563eb;--c:#06b6d4;--g:linear-gradient(135deg,#0891b2,#2563eb 55%,#06b6d4)}
[data-accent=green]{--b:#059669;--v:#0d9488;--c:#10b981;--g:linear-gradient(135deg,#059669,#0d9488 55%,#34d399)}
[data-accent=pink]{--b:#db2777;--v:#9333ea;--c:#f43f5e;--g:linear-gradient(135deg,#db2777,#9333ea 55%,#f43f5e)}
.swatch{width:42px;height:42px;border-radius:50%;border:3px solid transparent;cursor:pointer;box-shadow:0 4px 12px -4px #0005}.swatch.on{border-color:var(--tx)}

/* ===== v3: onboarding, books reader, language ===== */
html[lang=hi] body{font-family:"Plus Jakarta Sans","Noto Sans Devanagari",system-ui,sans-serif}
.pick{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.chip.pk{cursor:pointer;border:1px solid var(--bd);background:var(--card);padding:9px 14px;font-size:.85rem;font-family:inherit;color:var(--tx)}
.chip.pk.on{background:var(--g);color:#fff;border-color:transparent}
.hero .chip.cls{background:rgba(255,255,255,.22);color:#fff}
.ob{max-width:520px}.ob-top{display:flex;gap:14px;align-items:center;margin-bottom:14px}.ob-top img{border-radius:16px;box-shadow:0 8px 20px -8px rgba(37,99,235,.6)}
.ob-list{list-style:none;padding:0;margin:0 0 16px}.ob-list li{padding:4px 0;font-size:.92rem}
.steps{margin:0;padding-left:22px;color:var(--mut)}.steps li{margin:8px 0}
.reader{max-width:980px;height:92vh;padding:0;display:flex;flex-direction:column;overflow:hidden}
.rd-h{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--bd)}.rd-h b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rd-bar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;padding:8px 12px;border-bottom:1px solid var(--bd)}.rd-bar select{width:auto;min-width:120px}
.rd-f{flex:1;width:100%;border:0;background:#fff}
#langBtn b{font-size:.9rem}
@media(max-width:899px){
 .reader{position:fixed;inset:0;top:0;bottom:0;left:0;right:0;width:100%;max-width:none;height:100dvh;max-height:100dvh;border-radius:0;padding:0}
 .rd-bar{padding:8px}.ob{padding-bottom:calc(24px + env(safe-area-inset-bottom))}
}