:root{
  color-scheme:light;
  --page:#dfe3ec; --topbar:rgba(244,246,251,.92); --card2:#f5f7fb; --card3:#e8ebf3; --ink2:#334155;
  --tint-green:#ecfdf5; --tint-orange:#fff7ed; --tint-orange2:#ffedd5; --tint-yellow:#fffbeb; --tint-red:#fef2f2; --tint-pink:#fdf2f8; --tint-indigo:#eef2ff; --tint-violet:#f5f3ff;
  --on-orange:#9a3412; --on-green:#065f46; --on-red:#991b1b; --on-indigo:#3730a3; --on-pink:#be185d; --up:#047857; --down:#b91c1c;
  --bg:#f4f6fb; --card:#fff; --ink:#0f172a; --muted:#5b6b82; --line:#e5e9f2;
  --pri:#4f46e5; --pri-soft:#eef0ff; --ltc:#345d9d; --ltc-soft:#e9f0fb;
  --ok:#059669; --ok-soft:#e7f7f1; --warn:#b45309; --warn-soft:#fff7e6;
  --radius:16px; --tabh:64px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-size:16px;line-height:1.45;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;background:var(--page);color:var(--ink);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
.app{max-width:430px;margin:0 auto;min-height:100vh;background:var(--bg);position:relative;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--topbar);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand{font-weight:700;font-size:18px;display:flex;align-items:center;gap:8px}
.logo{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;font-size:16px}
.badge-example{font-size:12.5px;font-weight:800;letter-spacing:.08em;color:var(--on-orange);background:var(--tint-orange2);border:1.5px dashed #f97316;padding:4px 8px;border-radius:999px}
.view{flex:1;padding:14px 16px calc(var(--tabh) + 24px)}
.tabbar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:430px;height:var(--tabh);background:var(--card);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);z-index:10;padding-bottom:env(safe-area-inset-bottom)}
.tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:12.5px;color:var(--muted);font-weight:600}
.tabbar a .ti{font-size:21px;line-height:1}
.tabbar a.active{color:var(--pri)}
.tabbar a[data-tab=pay] .ti{width:30px;height:30px;border-radius:10px;background:var(--pri);color:#fff;display:grid;place-items:center;font-size:19px}
h1{font-size:24px;letter-spacing:-.01em}
h2{font-size:16px;margin:18px 0 8px;display:flex;justify-content:space-between;align-items:baseline}
h2 small{font-weight:500;color:var(--muted);font-size:14px}
.muted{color:var(--muted)}
.small{font-size:14px}
.card{background:var(--card);border-radius:var(--radius);border:1px solid var(--line);padding:14px}
.hero{background:linear-gradient(135deg,#312e81,#4f46e5 60%,#7c3aed);color:#fff;border:0;padding:18px}
.hero .lbl{font-size:14px;opacity:.85;display:flex;justify-content:space-between}
.hero .big{font-size:37px;font-weight:800;letter-spacing:-.02em;margin:4px 0 2px}
.hero .ex{font-size:12.5px;opacity:.8}
.split{display:flex;height:8px;border-radius:99px;overflow:hidden;margin:14px 0 10px;background:rgba(255,255,255,.2)}
.legend{display:flex;justify-content:space-between;font-size:14px}
.legend span i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}
.members{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mcard{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px;transition:transform .1s}
.mcard:active{transform:scale(.98)}
.mhead{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:700;color:#fff;font-size:16px;flex:none}
.avatar.lg{width:56px;height:56px;font-size:24px}
.mname{font-weight:700;font-size:16px}
.role{font-size:12.5px;color:var(--muted)}
.musd{font-weight:800;font-size:18px}
.coins{font-size:12.5px;color:var(--muted);margin-top:2px;line-height:1.5}
.coin-dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:4px;vertical-align:1px}
.list{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.row{display:flex;align-items:center;gap:10px;padding:11px 12px;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:0}
.row .ic{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font-size:16px;flex:none}
.row .t{flex:1;min-width:0;font-size:15.5px}
.row .t b{font-weight:650}
.row .t .s{font-size:12.5px;color:var(--muted);margin-top:1px}
.row .amt{font-size:15.5px;font-weight:700;text-align:right;white-space:nowrap}
.pos{color:var(--ok)}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:13px;border-radius:12px;font-weight:700;font-size:16px;background:var(--pri);color:#fff}
.btn.sec{background:var(--pri-soft);color:var(--pri)}
.btn.ghost{background:var(--card);border:1px solid var(--line);color:var(--ink)}
.btn:disabled{opacity:.5}
.btns{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.back{display:inline-flex;align-items:center;gap:4px;font-size:15.5px;color:var(--pri);font-weight:600;margin-bottom:10px}
.profile{display:flex;align-items:center;gap:12px}
.pill{display:inline-flex;align-items:center;gap:4px;font-size:12.5px;font-weight:700;padding:3px 8px;border-radius:99px}
.pill.ro{background:var(--ok-soft);color:var(--ok)}
.bal2{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.bal{border-radius:14px;padding:12px}
.bal.ltc{background:var(--ltc-soft)}
.bal .c{font-size:14px;font-weight:700;display:flex;align-items:center;gap:6px}
.bal .v{font-size:19px;font-weight:800;margin-top:4px}
.bal .u{font-size:12.5px;color:var(--muted)}
.addr{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;word-break:break-all;color:var(--ink2)}
.addrrow{display:flex;gap:10px;align-items:flex-start;padding:11px 12px;border-bottom:1px solid var(--line)}
.addrrow:last-child{border-bottom:0}
.addrrow .k{font-size:12.5px;font-weight:700;margin-bottom:3px}
.copy{font-size:12.5px;font-weight:700;color:var(--pri);padding:4px 8px;border-radius:8px;background:var(--pri-soft);flex:none}
.label{font-size:14px;font-weight:700;color:var(--muted);margin:14px 0 6px;text-transform:uppercase;letter-spacing:.05em}
.chips{display:flex;gap:8px}
.chip{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 4px;border-radius:12px;border:1.5px solid var(--line);background:var(--card);font-size:14px;font-weight:600}
.chip.on{border-color:var(--pri);background:var(--pri-soft);color:var(--pri)}
.chip .avatar{width:28px;height:28px;font-size:14px}
.seg{display:grid;grid-template-columns:1fr 1fr;background:var(--card3);border-radius:12px;padding:3px}
.seg button{padding:8px;border-radius:9px;font-weight:700;font-size:15.5px;color:var(--muted)}
.seg button.on{background:var(--card);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.08)}
.amount{display:flex;align-items:center;background:var(--card);border:1.5px solid var(--line);border-radius:12px;padding:0 12px}
.amount input{flex:1;border:0;outline:0;font:inherit;font-size:22px;font-weight:800;padding:10px 0;min-width:0;background:transparent}
.amount .unit{font-weight:700;color:var(--muted)}
.amount .usd{font-size:14px;color:var(--muted);margin-left:8px;white-space:nowrap}
.qrbox{display:flex;gap:12px;align-items:center}
.qr{width:112px;height:112px;flex:none;border-radius:10px;border:1px solid var(--line);padding:6px;background:var(--card);position:relative}
.qr svg{width:100%;height:100%;display:block}
.qr .qrtag{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--card);font-size:11px;font-weight:800;color:var(--on-orange);padding:2px 4px;border:1px dashed #f97316;border-radius:4px;white-space:nowrap}
.note{font-size:14px;border-radius:12px;padding:10px 12px;line-height:1.45}
.note.info{background:var(--pri-soft);color:var(--on-indigo)}
.note.warn{background:var(--warn-soft);color:var(--warn)}
.note.ok{background:var(--ok-soft);color:var(--on-green)}
.stack>*+*{margin-top:10px}
/* chat */
.chat{display:flex;flex-direction:column;gap:10px}
.msg{display:flex;gap:8px;align-items:flex-end;max-width:85%}
.msg .bub{background:var(--card);border:1px solid var(--line);padding:9px 12px;border-radius:16px 16px 16px 4px;font-size:16px;line-height:1.4}
.msg .who{font-size:12.5px;color:var(--muted);margin-bottom:2px;font-weight:600}
.msg.me{align-self:flex-end;flex-direction:row-reverse}
.msg.me .bub{background:var(--pri);color:#fff;border-color:var(--pri);border-radius:16px 16px 4px 16px}
.msg .avatar{width:26px;height:26px;font-size:12.5px}
.sys{align-self:center;font-size:12.5px;background:var(--card);border:1px solid var(--line);color:var(--muted);padding:6px 10px;border-radius:99px;text-align:center}
.sys b{color:var(--ink)}
.day{align-self:center;font-size:12.5px;color:var(--muted);font-weight:600}
.composer{position:fixed;bottom:var(--tabh);left:50%;transform:translateX(-50%);width:100%;max-width:430px;background:var(--card);border-top:1px solid var(--line);padding:8px 12px;display:flex;gap:8px;z-index:9}
.composer input{flex:1;border:1px solid var(--line);border-radius:99px;padding:10px 14px;font:inherit;font-size:16px;outline:0;background:var(--bg)}
.composer button{width:40px;height:40px;border-radius:50%;background:var(--pri);color:#fff;font-size:17px}
.view.chatv{padding-bottom:calc(var(--tabh) + 76px)}
/* forms */
textarea,select,.field input{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:10px 12px;font:inherit;font-size:15.5px;background:var(--card);outline:0}
textarea{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;resize:none;height:64px}
textarea:focus,select:focus,.field input:focus{border-color:var(--pri)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.can{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}
.can div{font-size:14px;border-radius:12px;padding:10px;line-height:1.35}
.can .y{background:var(--ok-soft);color:var(--on-green)}
.can .n{background:var(--tint-red);color:var(--on-red)}
.can b{display:block;font-size:14px;margin-bottom:3px}
/* sheet + toast */
.sheet{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:20;display:flex;align-items:flex-end;justify-content:center}
.sheet .panel{background:var(--card);width:100%;max-width:430px;border-radius:20px 20px 0 0;padding:18px 16px 24px}
.sheet .grab{width:40px;height:4px;border-radius:9px;background:#cbd5e1;margin:0 auto 12px}
.hidden{display:none!important}
.toast{position:fixed;left:50%;bottom:calc(var(--tabh) + 16px);transform:translateX(-50%);background:#0f172a;color:#fff;font-size:15.5px;padding:10px 14px;border-radius:12px;z-index:30;max-width:360px;text-align:center}
/* ---- Birthday Fund additions ---- */
.logo{background:linear-gradient(135deg,#ec4899,#8b5cf6)}
.hero{background:linear-gradient(135deg,#831843,#be185d 45%,#7c3aed)}
.cd{display:flex;align-items:center;gap:12px;margin-top:8px}
.cd .days{background:rgba(255,255,255,.16);border-radius:14px;padding:8px 12px;text-align:center;min-width:64px}
.cd .days b{display:block;font-size:28px;line-height:1}
.cd .days span{font-size:12.5px;opacity:.85}
.math{display:inline-block;margin-top:6px;background:rgba(255,255,255,.16);padding:4px 10px;border-radius:99px;font-size:14px;font-weight:600}
.prog{height:8px;border-radius:99px;background:var(--card3);overflow:hidden}
.prog>i{display:block;height:100%;background:linear-gradient(90deg,#10b981,#059669);border-radius:99px}
.hero .prog{background:rgba(255,255,255,.2)} .hero .prog>i{background:var(--card)}
.stat{display:flex;justify-content:space-between;font-size:14px;margin:12px 0 6px}
.pill.paid{background:var(--ok-soft);color:var(--ok)}
.pill.pend{background:var(--warn-soft);color:var(--warn)}
.pill.cash{background:var(--tint-green);color:var(--on-green)}
.remind{font-size:12.5px;font-weight:700;color:var(--pri);background:var(--pri-soft);padding:5px 9px;border-radius:8px;flex:none}
.remind.done{color:var(--muted);background:var(--card2)}
.splitbar{display:flex;height:10px;border-radius:99px;overflow:hidden;margin:8px 0}
.splitbar .c{background:#10b981}
.oweline{display:flex;justify-content:space-between;align-items:baseline}
.oweline .v{font-size:24px;font-weight:800}
.payopts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:10px}
.payopt{min-width:0;border:1.5px solid var(--line);border-radius:12px;padding:8px 4px;text-align:center;font-size:14px;font-weight:700;background:var(--card)}
.payopt .lg{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;margin:0 auto 4px;color:#fff;font-size:16px;font-weight:800}
.payopt .h{display:block;font-size:12.5px;color:var(--muted);font-weight:600;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.payopt.on{border-color:var(--pri);background:var(--pri-soft)}
.check{display:flex;align-items:center;gap:8px;font-size:15.5px;font-weight:600;margin-top:10px}
.check input{width:18px;height:18px;accent-color:var(--pri)}
.invite{display:flex;align-items:center;gap:8px;background:var(--card);border:1.5px dashed #c7d2fe;border-radius:12px;padding:8px 8px 8px 12px}
.invite .addr{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chip.sm{flex-direction:row;justify-content:center;padding:9px 4px;font-size:15.5px;font-weight:700}
input[type=range]{width:100%;accent-color:var(--pri)}
.cal{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}
.mo{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:7px 4px;text-align:center;min-height:58px}
.mo .n{font-size:12.5px;font-weight:700;color:var(--muted)}
.mo .dots{display:flex;flex-wrap:wrap;justify-content:center;gap:3px;margin-top:5px}
.mo .dots i{width:16px;height:16px;border-radius:50%;font-style:normal;font-size:11px;color:#fff;display:grid;place-items:center;font-weight:700}
.mo.now{border-color:var(--pri);background:var(--pri-soft)}
.mo.mine{border-color:#ec4899;background:var(--tint-pink)}
.streak{display:flex;gap:4px;margin-top:8px}
.streak i{flex:1;height:22px;border-radius:5px;background:#10b981}
.streak i.late{background:#fbbf24}
.streak i.up{background:var(--card3)}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:10px;text-align:center}
.kpi b{display:block;font-size:21px}
.kpi span{font-size:12.5px;color:var(--muted)}
/* ---- Family Crypto Learn additions ---- */
.logo{background:linear-gradient(135deg,#f59e0b,#6366f1)}
.tabbar{grid-template-columns:repeat(5,1fr)}
.tabbar a{font-size:12.5px}
.greet{font-size:24px;font-weight:800;letter-spacing:-.01em}
.prices{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.pcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px;display:block}
.pcard .top{display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:700}
.pcard .p{font-size:21px;font-weight:800;margin-top:4px}
.pcard .ch{font-size:12.5px;font-weight:700}
.pcard svg{width:100%;height:34px;display:block;margin-top:6px}
.up{color:var(--up)} .down{color:var(--down)}
.exlbl{font-size:11px;font-weight:800;color:var(--on-orange);background:var(--tint-orange2);padding:2px 5px;border-radius:5px;letter-spacing:.04em}
.lesson{display:flex;gap:12px;align-items:center}
.lesson .ico{width:44px;height:44px;border-radius:12px;background:var(--pri-soft);display:grid;place-items:center;font-size:24px;flex:none}
.event{display:flex;gap:12px;align-items:center}
.event .date{width:48px;flex:none;text-align:center;border-radius:12px;background:var(--tint-pink);color:var(--on-pink);padding:6px 0;font-weight:800;line-height:1.1}
.event .date small{display:block;font-size:12.5px;font-weight:700;text-transform:uppercase}
.lb{display:flex;align-items:center;gap:10px;padding:8px 0}
.lb+.lb{border-top:1px solid var(--line)}
.lb .rank{width:18px;font-weight:800;color:var(--muted);font-size:15.5px}
.lb .xp{font-weight:800;font-size:15.5px}
.path{position:relative}
.step{display:flex;align-items:center;gap:12px;padding:9px 12px;border-bottom:1px solid var(--line);background:var(--card)}
.step:last-child{border-bottom:0}
.step .n{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:14px;font-weight:800;flex:none;background:var(--card2);color:var(--muted)}
.step.done .n{background:var(--ok);color:#fff}
.step.cur{background:var(--pri-soft)} .step.cur .n{background:var(--pri);color:#fff}
.step.lock{opacity:.55}
.step .t{flex:1;font-size:15.5px;font-weight:600}
.step .t .s{font-size:12.5px;color:var(--muted);font-weight:500}
.q{margin-top:12px}
.q .qt{font-size:15.5px;font-weight:700;margin-bottom:6px}
.opt{display:block;width:100%;text-align:left;border:1.5px solid var(--line);border-radius:10px;padding:8px 10px;font-size:15.5px;margin-top:6px;background:var(--card)}
.opt.right{border-color:var(--ok);background:var(--ok-soft);color:var(--on-green);font-weight:700}
.opt.wrong{border-color:#fca5a5;background:var(--tint-red);color:var(--on-red)}
.reward{display:flex;gap:10px;align-items:center;background:linear-gradient(135deg,#fffbeb,#fef3c7);border:1px solid #fde68a;border-radius:12px;padding:10px 12px;font-size:14px;color:var(--on-orange)}
.chart{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px}
.chart svg{width:100%;height:200px;display:block}
.ranges{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:10px}
.ranges button{padding:7px;border-radius:9px;font-weight:700;font-size:14px;color:var(--muted);background:var(--card2)}
.ranges button.on{background:var(--ink);color:#fff}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.stats div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px}
.stats span{display:block;font-size:12.5px;color:var(--muted);font-weight:600}
.stats b{font-size:16px}
.bot .bub{background:var(--tint-yellow);border-color:#fde68a}
.bot .avatar{background:#f59e0b!important}
.conn{display:flex;align-items:center;gap:10px}
.conn .cb{width:40px;height:40px;border-radius:12px;background:#1e40af;color:#fff;display:grid;place-items:center;font-weight:800;font-size:15.5px;flex:none}
.qs{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px}
.qs button{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:14px;font-weight:600;min-width:60px}
.qs button.on .avatar{outline:3px solid var(--pri);outline-offset:2px}

.lbrow{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.lbc{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:8px 6px;display:flex;flex-direction:column;align-items:center;gap:2px}
.lbc .nm{font-size:14px;font-weight:700;white-space:nowrap}
.lbc .xp{font-size:12.5px;color:var(--muted);font-weight:700}
.homev h2{margin:13px 0 7px}
.homev .card.lesson{padding:11px 14px}
.pcard.wide .prow{display:flex;align-items:flex-end;gap:12px}
.pcard.wide .p{font-size:28px}
.pcard.wide .sparkw{flex:1;min-width:0}
.pcard.wide .sparkw svg{height:48px;margin:0}

/* ---- streak, badges, quiz night ---- */
.streakrow{display:flex;align-items:center;gap:12px}
.flame{font-size:28px;line-height:1}
.days7{display:flex;gap:5px;margin-top:4px}
.days7 span{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:12.5px;font-weight:800;background:var(--card2);color:var(--muted)}
.days7 span.on{background:#f59e0b;color:#fff}
.days7 span.today{background:var(--card);border:2px dashed #f59e0b;color:var(--on-orange)}
.badges{display:flex;gap:8px;overflow-x:auto;margin-top:10px;padding-bottom:2px}
.bdg{flex:none;width:66px;text-align:center;font-size:12.5px;font-weight:700;line-height:1.2}
.bdg i{display:grid;place-items:center;width:44px;height:44px;margin:0 auto 4px;border-radius:50%;font-style:normal;font-size:22px;background:linear-gradient(135deg,#fef3c7,#fde68a);border:2px solid #fbbf24}
.bdg.lock{opacity:.45} .bdg.lock i{background:var(--card2);border-color:#cbd5e1;filter:grayscale(1)}
.quiznight{background:linear-gradient(135deg,#0f172a,#312e81);color:#fff;border:0}
.quiznight .small{color:#c7d2fe}
.quiznight .btn{background:#fbbf24;color:#0f172a;padding:10px}
.quiznight .btn.in{background:rgba(255,255,255,.15);color:#fff}
.calcl{display:flex;align-items:center;gap:12px}
.calcl .ico{width:44px;height:44px;border-radius:12px;background:var(--tint-green);display:grid;place-items:center;font-size:24px;flex:none}
/* ---- videos ---- */
.vrow{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scroll-snap-type:x mandatory}
.vcard{flex:none;width:200px;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;scroll-snap-align:start;display:block}
.thumb{position:relative;height:104px;display:grid;place-items:center;color:#fff}
.thumb .play{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.92);color:#0f172a;display:grid;place-items:center;font-size:16px;padding-left:3px}
.thumb .len{position:absolute;right:6px;bottom:6px;background:rgba(15,23,42,.85);font-size:12.5px;font-weight:700;padding:2px 5px;border-radius:5px}
.thumb .tp{position:absolute;left:6px;top:6px;background:rgba(255,255,255,.2);font-size:12.5px;font-weight:700;padding:2px 6px;border-radius:99px}
.vbody{padding:8px 10px 10px}
.vbody .vt{font-size:14px;font-weight:700;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:32px}
.vbody .vs{font-size:12.5px;color:var(--muted);margin-top:3px}
.vlist .vcard{width:auto;display:flex}
.vlist .thumb{width:118px;height:auto;min-height:78px;flex:none}
.vlist .vbody{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center}
/* ---- calculator ---- */
.res{background:linear-gradient(135deg,#064e3b,#059669);color:#fff;border:0}
.res.neg{background:linear-gradient(135deg,#7f1d1d,#dc2626)}
.res .big{font-size:35px;font-weight:800;letter-spacing:-.02em}
.presets{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.presets button{padding:8px 2px;border-radius:10px;background:var(--card);border:1.5px solid var(--line);font-size:12.5px;font-weight:700;line-height:1.2}
.presets button b{display:block;font-size:16px}
.presets button.on{border-color:var(--pri);background:var(--pri-soft);color:var(--pri)}
.disc{background:var(--tint-orange);border:1.5px solid #fdba74;color:var(--on-orange);border-radius:12px;padding:10px 12px;font-size:14px;font-weight:700;line-height:1.4}
.minirow{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.field label{display:block;font-size:12.5px;font-weight:700;color:var(--muted);margin-bottom:4px}
/* ---- wallet ---- */
.mrow .addr{font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mrow.on{background:var(--pri-soft)}
.quiznight .btn{white-space:nowrap;flex:none}
.thumb .wd{position:absolute;left:6px;bottom:6px;background:#059669;font-size:12.5px;font-weight:800;padding:2px 6px;border-radius:5px}
.vs{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* ---- calculators ---- */
.hubc{display:flex;align-items:center;gap:12px}
.hubc .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:24px;flex:none}
.ctl{margin-top:12px}
.ctl:first-child{margin-top:0}
.ctl-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:4px}
.ctl-top label{font-size:14px;font-weight:700;color:var(--ink2)}
.numwrap{display:flex;align-items:center;gap:3px;border:1.5px solid var(--line);border-radius:10px;padding:0 8px;background:var(--card)}
.numwrap:focus-within{border-color:var(--pri)}
.numin{border:0;outline:0;font:inherit;font-weight:800;font-size:16px;width:74px;padding:6px 0;text-align:right;background:transparent}
input[type=date].numin{border:1.5px solid var(--line);border-radius:10px;padding:5px 8px;text-align:left;font-size:15.5px}
.numwrap .u{font-size:14px;font-weight:700;color:var(--muted)}
.ctl input[type=range]{margin:2px 0 0}
.ticks{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);font-weight:600;padding:0 2px}
.asm{font-size:11px;font-weight:800;color:var(--on-orange);background:var(--tint-orange2);padding:1px 5px;border-radius:5px;letter-spacing:.04em;margin-left:4px}
.kpis2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.kpis2 div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px}
.kpis2 span{display:block;font-size:12.5px;color:var(--muted);font-weight:600}
.kpis2 b{font-size:18px}
.kpis2 .good{background:var(--tint-green);border-color:#a7f3d0} .kpis2 .good b{color:var(--on-green)}
.kpis2 .bad{background:var(--tint-red);border-color:#fecaca} .kpis2 .bad b{color:var(--on-red)}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.cmp>div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px;line-height:1.4}
.cmp .h{font-weight:800;font-size:15.5px;margin-bottom:3px}
.facts{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.facts span{font-size:12.5px;background:var(--ltc-soft);color:var(--on-indigo);padding:4px 8px;border-radius:99px}
.chart svg text{font-family:inherit}
/* ---- lesson page ---- */
.kp{list-style:none;display:flex;flex-direction:column;gap:8px}
.kp li{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 12px 10px 30px;font-size:15.5px;line-height:1.45;position:relative}
.kp li::before{content:"•";position:absolute;left:13px;top:8px;color:var(--pri);font-size:19px;font-weight:800}
.counter{margin-top:10px;background:var(--card2);border:1px dashed #94a3b8;border-radius:12px;padding:10px 12px;font-size:14px;line-height:1.45;color:var(--ink2)}
a.step{color:inherit}
.rc{padding:12px 12px 10px}
.rh{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:6px}
.rv{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.1}
.rs{font-size:12.5px;color:var(--ink2);text-align:right;line-height:1.45;flex:none;max-width:52%}
.disc{font-size:14px;padding:8px 10px}
.ticks2{position:relative;height:28px;margin:0 8px}
.ticks2 span{position:absolute;top:0;transform:translateX(-50%);font-size:12.5px;color:var(--muted);font-weight:600;white-space:nowrap}
.ticks2 span:first-child{transform:none}
.ticks2 .lastmk{top:13px;transform:translateX(-100%);color:var(--on-orange);font-weight:800}
.ticks2 .lastmk::after{content:"";position:absolute;right:0;top:-16px;width:2px;height:8px;background:#b45309}
.snap{margin-top:4px;font-size:12.5px;font-weight:700;color:var(--on-orange);background:var(--tint-orange);border:1px solid #fdba74;border-radius:8px;padding:4px 9px}

/* kid-friendly supply screen */
.supbig{text-align:center;padding:4px 2px 6px}
.supbig .bign{font-size:22px;font-weight:700;color:var(--ink)}
.supbig .bign b{display:block;font-size:43px;line-height:1.1;font-weight:900;color:#345d9d;letter-spacing:-.5px}
.supbig .bigs{font-size:16px;color:var(--muted);margin-top:4px}
.pbar{height:14px;border-radius:99px;background:var(--card3);overflow:hidden;margin-top:14px}
.pbar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#60a5fa,#345d9d)}
.pbl{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);font-weight:600;margin-top:5px}
.kidcard{display:flex;flex-direction:column;gap:8px;font-size:16px;font-weight:600;line-height:1.35;background:var(--tint-orange);border-color:#fed7aa}
.ticks2.plain{height:16px}
.ticks2.plain span:last-child{transform:translateX(-100%)}
.hvline{display:inline-block;margin-top:10px;padding:5px 12px;border-radius:99px;background:var(--tint-orange);border:1px solid #fed7aa;color:var(--on-orange);font-size:14px;font-weight:700}

/* ---------- live data ---------- */
.hbadges{display:flex;flex-direction:column;align-items:flex-end;gap:3px}
.hbadges .badge-example{font-size:11px;padding:2px 7px;border-width:1px}
.badge-live{font-size:11px;font-weight:800;letter-spacing:.06em;padding:2px 7px;border-radius:999px;border:1px solid;white-space:nowrap}
.badge-live.live{color:var(--on-green);background:var(--tint-green);border-color:#34d399}
.badge-live.stale{color:var(--on-orange);background:var(--tint-yellow);border-color:#f59e0b}
.badge-live.loading{color:var(--ink2);background:var(--card2);border-color:#cbd5e1}
.badge-live.down{color:var(--on-orange);background:var(--tint-orange2);border-color:#f97316;border-style:dashed}
.livelbl{font-size:11px;font-weight:800;color:var(--on-green);background:var(--tint-green);padding:2px 6px;border-radius:5px;letter-spacing:.04em;white-space:nowrap}
.stalelbl{font-size:11px;font-weight:800;color:var(--on-orange);background:var(--tint-yellow);padding:2px 6px;border-radius:5px;letter-spacing:.04em}
.loadlbl{font-size:11px;font-weight:800;color:var(--ink2);background:var(--card2);padding:2px 6px;border-radius:5px;letter-spacing:.04em}
.extag{font-size:11px;font-weight:800;color:var(--on-orange);background:var(--tint-orange2);padding:1px 5px;border-radius:4px;letter-spacing:.04em;text-transform:uppercase;vertical-align:1px}
h2 small.extag{font-size:11px}
.liveline.stale,.liveline.down{color:var(--on-orange)}
.skel{color:transparent;background:linear-gradient(90deg,#e2e8f0,#f1f5f9,#e2e8f0);background-size:200% 100%;border-radius:6px;animation:skel 1.2s infinite}
@keyframes skel{0%{background-position:100% 0}100%{background-position:-100% 0}}
.spin{display:inline-block;width:12px;height:12px;border:2px solid #cbd5e1;border-top-color:var(--pri);border-radius:50%;animation:spin .8s linear infinite;vertical-align:-2px}
@keyframes spin{to{transform:rotate(360deg)}}
.cph{height:190px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);font-size:15.5px;text-align:center}
.cax{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);font-weight:600;margin-top:4px;gap:6px}
.balbig{font-size:30px;font-weight:900;letter-spacing:-.02em}
.balbig span{font-size:16px;color:var(--muted);font-weight:700}
.pastebox{display:flex;gap:6px;margin-top:10px}
.pastebox input{flex:1;min-width:0;border:1.5px solid var(--line);border-radius:12px;padding:9px 10px;font:inherit;font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.pnote{color:var(--on-green);background:var(--ok-soft);border-radius:10px;padding:7px 10px}
.fvk{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:10px 0 6px}
.fvk div{background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:6px 8px}
.fvk span{display:block;font-size:12.5px;color:var(--muted);font-weight:600}
.fvk b{font-size:15.5px}
.recsec{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line)}
.gmarks{position:relative;height:40px;margin:2px 8px 0}
.gmark{position:absolute;transform:translateX(-50%);background:var(--card);border:1px solid #c7d2fe;color:#4338ca;font-size:12.5px;font-weight:700;padding:2px 6px;border-radius:999px;white-space:nowrap;line-height:1.3}
.gmark.r0{top:4px}.gmark.r1{top:22px}
.gmark i{position:absolute;left:50%;bottom:100%;width:1.5px;background:#a5b4fc}
.gmark.r0 i{height:5px}.gmark.r1 i{height:23px}
.gmark.on{background:#4f46e5;border-color:#4f46e5;color:#fff}
.recsec{margin:14px 0 4px;padding:12px 0 4px;border-bottom:1px dashed var(--line)}
.linkbtn{background:none;border:0;padding:6px 0 2px;color:var(--pri);font:inherit;font-size:15.5px;font-weight:700;cursor:pointer}
.buytbl{width:100%;border-collapse:collapse;margin-top:6px;font-size:12.5px;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.buytbl th{font-size:12.5px;color:var(--muted);font-weight:700;text-align:right;padding:6px 6px;background:var(--card2);line-height:1.2}
.buytbl td{padding:6px 6px;text-align:right;border-top:1px solid var(--line);font-weight:600;vertical-align:top}
.buytbl th:first-child,.buytbl td:first-child{text-align:left}
.buytbl td .muted{font-size:11px;font-weight:600}
.buytbl tfoot td{background:var(--tint-indigo);font-weight:800}
.buytbl td:nth-child(n+2){white-space:nowrap}.buytbl td,.buytbl th{padding:6px 5px}

/* ================= dark mode (follows system; manual override in Settings) ================= */
html[data-theme=dark]{
  color-scheme:dark;
  --page:#05070d; --topbar:rgba(11,16,32,.92); --bg:#0b1020; --card:#131a2e; --card2:#1a2238; --card3:#232c45; --line:#2a3452;
  --ink:#e8edf7; --ink2:#c8d1e3; --muted:#9aa6bd;
  --pri:#8b93ff; --pri-soft:#232a52; --ltc:#7aa7e8; --ltc-soft:#1b2a45;
  --ok:#34d399; --ok-soft:#10312a; --warn:#fbbf24; --warn-soft:#3a2a0d;
  --tint-green:#10312a; --tint-orange:#35220f; --tint-orange2:#3d2610; --tint-yellow:#342a0c; --tint-red:#3a1518; --tint-pink:#3a1630; --tint-indigo:#222a55; --tint-violet:#2a2150;
  --on-orange:#fdba74; --on-green:#6ee7b7; --on-red:#fca5a5; --on-indigo:#c7d2fe; --on-pink:#f9a8d4; --up:#34d399; --down:#f87171;
}
html[data-theme=dark] .btn{color:#0b1020} html[data-theme=dark] .btn.sec{color:var(--pri)} html[data-theme=dark] .btn.ghost{color:var(--ink)}
html[data-theme=dark] .tabbar,html[data-theme=dark] .list{background:var(--card)}
html[data-theme=dark] .disc{border-color:#9a3412}
html[data-theme=dark] .kidcard,html[data-theme=dark] .hvline{border-color:#7c3a10}
html[data-theme=dark] .qr{background:#fff}
html[data-theme=dark] .ranges button.on{background:var(--pri);color:#0b1020}
html[data-theme=dark] .seg button.on{background:var(--card3);color:var(--ink)}
html[data-theme=dark] .toast{background:#e8edf7;color:#0b1020}
html[data-theme=dark] input,html[data-theme=dark] select{color:var(--ink)}
html[data-theme=dark] .quiznight{background:linear-gradient(135deg,#1e1b4b,#312e81)}
html[data-theme=dark] .badge-live.live{background:#10312a;color:#6ee7b7;border-color:#059669}
html[data-theme=dark] .badge-live.loading{background:var(--card2);color:var(--muted);border-color:var(--line)}
html[data-theme=dark] .bdg.lock i{border-color:var(--line)}
/* charts: SVG presentation colors → theme colors */
html[data-theme=dark] svg line[stroke="#eef1f6"]{stroke:#26304a}
html[data-theme=dark] svg text[fill="#64748b"]{fill:#9aa6bd}
html[data-theme=dark] svg circle[stroke="#fff"]{stroke:#131a2e}
html[data-theme=dark] svg path[stroke="#64748b"]{stroke:#9aa6bd}
html[data-theme=dark] svg path[stroke="#345d9d"]{stroke:#7aa7e8}
html[data-theme=dark] svg path[fill="#345d9d"]{fill:#7aa7e8}
html[data-theme=dark] svg path[stroke="#059669"]{stroke:#34d399}
html[data-theme=dark] svg path[fill="#059669"]{fill:#34d399}
html[data-theme=dark] svg text[fill="#dc2626"],html[data-theme=dark] svg text[fill="#b45309"]{fill:#fca5a5}
html[data-theme=dark] svg line[stroke="#dc2626"]{stroke:#f87171}
html[data-theme=dark] .chart svg line[stroke="#cbd5e1"]{stroke:#3a4563}

/* ================= new UI bits ================= */
.hdr-r{display:flex;align-items:center;gap:8px}
.iconbtn{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;font-size:18px;background:var(--card);border:1px solid var(--line)}
.brand{font-size:18px}
/* big plain answer */
.answer{background:linear-gradient(135deg,var(--tint-green),var(--card));border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.ans1{font-size:21px;line-height:1.35;font-weight:600}
.ans1 b{font-weight:900}
.ans1 .ansv{color:var(--up)}
.ans1 .hyp{font-size:14px;color:var(--muted);font-weight:600}
.ans2{margin-top:6px;font-size:16px;color:var(--ink2)}
.lblrow{font-weight:800;display:flex;align-items:center;gap:6px}
/* chips */
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.chips .chip{min-width:56px;padding:8px 12px;border-radius:999px;border:1.5px solid var(--line);background:var(--card);font-weight:700;font-size:15px;color:var(--ink)}
.chips .chip.on{border-color:var(--pri);background:var(--pri-soft);color:var(--pri)}
.morebtn{display:block;width:100%;text-align:left;margin-top:12px;padding:14px 16px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line);font-weight:800;font-size:16px;color:var(--pri)}
.morebtn .muted{font-weight:600;font-size:13px;margin-left:4px}
.h3{font-size:16px;margin:16px 0 6px}
/* tooltips */
.tip{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;font-size:15px;font-weight:700;color:var(--pri);background:var(--pri-soft);vertical-align:middle;line-height:1;margin-left:2px;flex:none}
.tippop{position:fixed;z-index:60;max-width:300px;background:var(--ink);color:var(--card);font-size:15px;line-height:1.4;padding:12px 14px;border-radius:14px;box-shadow:0 12px 30px rgba(0,0,0,.28)}
.tippop b{display:block;font-size:13px;opacity:.75;margin-bottom:2px;text-transform:uppercase;letter-spacing:.04em}
.tippop::before{content:"";position:absolute;left:var(--ax,24px);top:-6px;width:12px;height:12px;background:inherit;transform:rotate(45deg)}
.tippop.above::before{top:auto;bottom:-6px}
/* home */
.famtot{display:block;margin-top:12px}
.famtot .v{font-size:26px;font-weight:900;letter-spacing:-.01em;margin-top:2px}
.lessonbtn{margin-top:12px;justify-content:space-between;padding:16px;font-size:17px;text-align:left}
.lessonbtn small{display:block;font-weight:600;opacity:.85;font-size:13px}
.qlinks{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.qlinks a{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 6px;text-align:center;font-weight:700;font-size:14px}
.qlinks a span{display:block;font-size:22px;margin-bottom:2px}
/* intro + settings overlays */
.overlay{position:fixed;inset:0;z-index:50;background:rgba(5,8,18,.55);display:flex;align-items:flex-end;justify-content:center}
.intro{position:fixed;inset:0;z-index:55;background:var(--bg);display:flex;flex-direction:column;max-width:430px;margin:0 auto;padding:18px 22px calc(24px + env(safe-area-inset-bottom))}
.intro .skip{align-self:flex-end;font-weight:700;color:var(--muted);padding:8px 4px;font-size:16px}
.intro .art{font-size:84px;text-align:center;margin:36px 0 12px}
.intro h2{font-size:26px;display:block;text-align:center;margin:8px 0 12px;line-height:1.25}
.intro p{font-size:18px;line-height:1.5;text-align:center;color:var(--ink2)}
.intro .fine{font-size:14px;color:var(--muted);text-align:center;margin-top:14px}
.intro .dots{display:flex;justify-content:center;gap:8px;margin:auto 0 18px}
.intro .dots i{width:9px;height:9px;border-radius:50%;background:var(--card3)} .intro .dots i.on{background:var(--pri);width:24px;border-radius:9px}
.intro .navb{display:grid;grid-template-columns:1fr 2fr;gap:10px}
.sheet{width:100%;max-width:430px;background:var(--card);border-radius:22px 22px 0 0;padding:18px 18px calc(24px + env(safe-area-inset-bottom))}
.sheet h3{font-size:19px;margin-bottom:12px}
.sheet .seg3{display:grid;grid-template-columns:repeat(3,1fr);background:var(--card3);border-radius:12px;padding:3px}
.sheet .seg3 button{padding:10px;border-radius:10px;font-weight:700;color:var(--muted)}
.sheet .seg3 button.on{background:var(--card);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.15)}
.sheet .srow{margin-top:16px}
/* header fit with larger type */
.topbar{padding:10px 12px 10px 16px}
.brand{font-size:17px;white-space:nowrap}
.hbadges .badge-live,.hbadges .badge-example{font-size:10px;letter-spacing:.04em;white-space:nowrap}
.hdr-r{gap:6px}
.chips .chip{white-space:nowrap}
.btns.b3 .btn{padding:11px 4px;font-size:15px;white-space:nowrap}
.supbig .bign b{color:var(--ltc)}
.updbar{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(var(--tabh) + 14px);z-index:70;background:var(--pri);color:#fff;font-weight:800;font-size:15px;padding:12px 18px;border-radius:999px;box-shadow:0 10px 24px rgba(0,0,0,.25);white-space:nowrap}
html[data-theme=dark] .updbar{color:#0b1020}