:root{
  --acc:#3d48c4;--acc-ink:#2f39b0;--on-acc:#fff;--warm:#ff9f7f;
  --bg:#f2f2f7;--surface:#fff;--surface2:#e9e9ef;--ink:#111114;--dim:#5e5e66;--faint:#8e8e95;--line:rgba(60,60,67,.14);
  --glass:rgba(255,255,255,.8);--glass-edge:rgba(0,0,0,.06);
  --sh:0 1px 2px rgba(0,0,0,.04),0 6px 24px rgba(0,0,0,.06);
  --hero:linear-gradient(170deg,#1c2266 0%,#323c9e 55%,#7a5fb0 82%,#ff9f7f 118%);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --num:-apple-system,"SF Pro Rounded","SF Pro Display","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --ease:cubic-bezier(.2,.9,.25,1);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --acc:#7d86ff;--acc-ink:#a3aaff;--on-acc:#fff;
  --bg:#000;--surface:#1c1c1e;--surface2:#2c2c2e;--ink:#f5f5f7;--dim:#a1a1a8;--faint:#76767e;--line:rgba(84,84,88,.5);
  --glass:rgba(30,30,32,.8);--glass-edge:rgba(255,255,255,.08);--sh:none;
  --hero:linear-gradient(170deg,#0e1240 0%,#232b80 55%,#5a4492 85%,#c9735c 120%);
  color-scheme:dark}}
:root[data-theme="dark"]{
  --acc:#7d86ff;--acc-ink:#a3aaff;--on-acc:#fff;
  --bg:#000;--surface:#1c1c1e;--surface2:#2c2c2e;--ink:#f5f5f7;--dim:#a1a1a8;--faint:#76767e;--line:rgba(84,84,88,.5);
  --glass:rgba(30,30,32,.8);--glass-edge:rgba(255,255,255,.08);--sh:none;
  --hero:linear-gradient(170deg,#0e1240 0%,#232b80 55%,#5a4492 85%,#c9735c 120%);
  color-scheme:dark}
*{box-sizing:border-box}
html{background:var(--bg);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.4 var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden}
body.locked{overflow:hidden}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;-webkit-tap-highlight-color:transparent}
:focus{outline:none}
:focus-visible{outline:3px solid color-mix(in srgb,var(--acc) 70%,transparent);outline-offset:2px}
a{color:var(--acc-ink)}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
svg.i{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:none}
.num{font-family:var(--num);font-variant-numeric:tabular-nums}
[hidden]{display:none!important}

.wrap{max-width:760px;margin:0 auto;padding:0 max(16px,env(safe-area-inset-right)) 0 max(16px,env(safe-area-inset-left))}
.top{display:flex;align-items:center;gap:8px;padding-top:calc(env(safe-area-inset-top) + 8px);min-height:52px}
.yzlink{font-weight:600;font-size:16px;text-decoration:none;color:var(--acc-ink);padding:8px 10px 8px 2px;border-radius:12px;white-space:nowrap}
.sp{flex:1}
.glass{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:44px;min-width:44px;padding:0 14px;border-radius:22px;border:0;font-size:16px;font-weight:600;color:var(--ink);
  background:var(--glass);-webkit-backdrop-filter:blur(16px) saturate(1.8);backdrop-filter:blur(16px) saturate(1.8);box-shadow:0 0 0 .5px var(--glass-edge),0 4px 16px rgba(0,0,0,.07);transition:transform .15s var(--ease)}
.glass.ic{padding:0;width:44px}
.glass:active{transform:scale(.94)}
h1.lt{font-size:34px;line-height:1.1;font-weight:800;letter-spacing:-.02em;margin:6px 0 2px}
.lede{margin:0 0 16px;color:var(--dim);font-size:15px}
.h2{font-size:20px;font-weight:700;margin:28px 2px 10px;letter-spacing:-.01em}
.card{background:var(--surface);border-radius:22px;box-shadow:var(--sh);padding:16px}
.note{font-size:13.5px;color:var(--dim);line-height:1.45;margin:0}

/* segmented control */
.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;background:var(--surface2);border-radius:13px;padding:3px;gap:2px}
.seg button{border:0;background:transparent;padding:8px 2px;border-radius:10px;font-size:14.5px;font-weight:600;min-height:44px;white-space:nowrap;display:flex;align-items:center;justify-content:center;gap:6px;color:var(--ink)}
.seg button svg{width:18px;height:18px}
.seg button[aria-pressed="true"]{background:var(--surface);box-shadow:0 3px 8px rgba(0,0,0,.12),0 0 0 .5px rgba(0,0,0,.04)}
:root[data-theme="dark"] .seg button[aria-pressed="true"]{background:#636366}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .seg button[aria-pressed="true"]{background:#636366}}
@media (max-width:370px){.seg button svg{display:none}}
.mode{margin:0 0 12px}

/* time picker */
.pick{margin:0 0 12px;text-align:center}
.plab{margin:2px 0 6px;font-size:15px;font-weight:650;color:var(--dim)}
.clock{display:flex;align-items:center;justify-content:center;gap:4px}
.col{display:flex;flex-direction:column;align-items:center}
.stp{border:0;background:none;color:var(--acc-ink);width:76px;height:40px;border-radius:12px;display:grid;place-items:center}
.stp:active{background:var(--surface2)}
.stp svg{width:26px;height:26px}
.dig{font-size:68px;line-height:1;font-weight:700;letter-spacing:-.03em;min-width:1.25em;padding:2px 6px;border-radius:16px;cursor:ns-resize;touch-action:none;-webkit-user-select:none;user-select:none}
.dig:focus-visible{outline-offset:-2px}
.colon{font-size:64px;font-weight:700;line-height:1;margin:0 -2px 8px;color:var(--faint)}
.ampm{display:flex;flex-direction:column;gap:6px;margin-left:10px}
.ampm button{border:0;background:var(--surface2);color:var(--dim);border-radius:11px;min-width:54px;min-height:40px;font-weight:700;font-size:15px}
.ampm button[aria-pressed="true"]{background:var(--acc);color:var(--on-acc)}
.chips{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;margin-top:12px}
.chip small{font-size:10.5px;font-weight:700;margin-left:2px;opacity:.75}
.chip{border:0;background:var(--surface2);padding:6px 2px;border-radius:999px;font-weight:600;font-size:14.5px;color:var(--ink);min-height:40px;white-space:nowrap;font-variant-numeric:tabular-nums}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.chip:active{transform:scale(.96)}
.nowt{font-size:64px;font-weight:700;letter-spacing:-.03em;line-height:1.05;margin:0 0 8px}
.nowt small,.big small{font-size:.42em;font-weight:700;letter-spacing:0;margin-left:.18em;opacity:.8}

/* time to fall asleep */
.lat{padding:12px 14px 12px 16px;margin:0 0 12px}
.lrow{display:flex;align-items:center;gap:10px}
.grow{flex:1;min-width:0}
.lrow b{display:block;font-weight:650}
.lrow small{display:block;color:var(--dim);font-size:13px;line-height:1.35}
.lstp{display:flex;align-items:center;gap:4px;flex:none}
.lstp button{width:44px;height:44px;border-radius:13px;border:0;background:var(--surface2);display:grid;place-items:center;color:var(--ink)}
.lstp button:active{transform:scale(.94)}
.lstp button:disabled{opacity:.35}
.lstp output{min-width:64px;text-align:center;font-weight:700;font-size:17px}

/* results */
.hero{background:var(--hero);color:#fff;border-radius:26px;padding:18px 16px 14px;position:relative;overflow:hidden;box-shadow:0 16px 36px -12px rgba(28,34,102,.5)}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(1.6px 1.6px at 12% 18%,rgba(255,255,255,.8),transparent),radial-gradient(1.2px 1.2px at 34% 8%,rgba(255,255,255,.6),transparent),radial-gradient(1.4px 1.4px at 72% 14%,rgba(255,255,255,.7),transparent),radial-gradient(1px 1px at 88% 30%,rgba(255,255,255,.6),transparent),radial-gradient(1.2px 1.2px at 56% 26%,rgba(255,255,255,.5),transparent)}
.hero>*{position:relative}
.hero .k{margin:0;font-size:14px;font-weight:650;opacity:.85}
.hero h2{margin:2px 0 12px;font-size:24px;letter-spacing:-.01em;line-height:1.15}
.res{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.res li{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.12);border-radius:18px;padding:10px 14px;box-shadow:inset 0 0 0 .5px rgba(255,255,255,.16);min-height:76px}
.res li.rec{background:rgba(255,255,255,.2);box-shadow:inset 0 0 0 1px rgba(255,255,255,.3)}
.res li.best{background:#fff;color:#1c2266;box-shadow:0 8px 22px -8px rgba(0,0,0,.4)}
.res .big{font:750 44px/1 var(--num);font-variant-numeric:tabular-nums;letter-spacing:-.03em;white-space:nowrap}
.res .info{flex:1;min-width:0;text-align:right}
.res .info b{display:block;font-size:15px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.res .info small{display:block;font-size:13px;opacity:.8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;padding:3px 7px;border-radius:7px;background:rgba(255,255,255,.22);margin-bottom:3px}
.res li.best .badge{background:#ffe3d8;color:#9a3b1c}
@media (max-width:370px){.res .big{font-size:38px}}
.hacts{display:flex;align-items:center;gap:10px;margin-top:12px}
.tip{flex:1;margin:0;font-size:13.5px;line-height:1.4;opacity:.9}
.hshare{border:0;background:rgba(255,255,255,.18);color:#fff;border-radius:14px;min-height:44px;padding:0 14px;font-weight:700;display:inline-flex;align-items:center;gap:6px;flex:none}
.hshare svg{width:19px;height:19px}
.hshare:active{transform:scale(.96)}

/* age table, prose */
.tw{padding:4px 0;overflow:hidden}
table.at{width:100%;border-collapse:collapse;font-size:15px;font-variant-numeric:tabular-nums}
.at th{font-size:12.5px;color:var(--dim);font-weight:650;text-align:left;padding:10px 16px 6px;text-transform:uppercase;letter-spacing:.03em}
.at td{padding:9px 16px;border-top:.5px solid var(--line)}
.at td b{display:block;font-weight:650}
.at td small{display:block;color:var(--dim);font-size:13px}
.at .r{text-align:right;white-space:nowrap}
.at td.r{font:700 17px/1.2 var(--num)}
.at td.cyc{font:600 14px/1.2 var(--font);color:var(--dim)}
.at tr.you td{background:color-mix(in srgb,var(--acc) 9%,transparent)}
.src{margin:10px 4px 0}
.prose p{margin:0 0 10px;line-height:1.5}
.prose .warn{display:flex;gap:10px;align-items:flex-start;background:color-mix(in srgb,var(--warm) 16%,transparent);border-radius:14px;padding:10px 12px;font-size:14.5px}
.prose .warn svg{color:#c4572f;margin-top:1px}
.prose .more{margin:12px 0 0;font-size:14.5px}
footer.foot{color:var(--dim);font-size:13.5px;line-height:1.5;padding:26px 0 calc(env(safe-area-inset-bottom) + 40px)}

@media (min-width:600px){.res .big{font-size:52px}}
@media (min-width:980px){
  .wrap{max-width:1100px}
  .grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 24px;align-items:start}
  .sect{max-width:760px}
  .dig{font-size:84px}
}

/* sheet */
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.35);opacity:0;transition:opacity .25s;z-index:70}
.scrim.on{opacity:1}
.sheet{position:fixed;left:0;right:0;bottom:0;max-height:92vh;max-height:92dvh;background:var(--bg);border-radius:22px 22px 0 0;box-shadow:0 -10px 50px rgba(0,0,0,.25);z-index:71;display:flex;flex-direction:column;transform:translateY(105%);transition:transform .34s var(--ease);padding-bottom:env(safe-area-inset-bottom);max-width:620px;margin:0 auto}
:root[data-theme="dark"] .sheet{--bg:#1c1c1e;--surface:#2c2c2e;--surface2:#3a3a3c}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .sheet{--bg:#1c1c1e;--surface:#2c2c2e;--surface2:#3a3a3c}}
.sheet.on{transform:none}
.sheet .grab{width:38px;height:5px;border-radius:3px;margin:7px auto 0;flex:none;background:color-mix(in srgb,var(--ink) 22%,transparent)}
.sheet .shd{display:grid;grid-template-columns:60px minmax(0,1fr) 60px;align-items:center;gap:6px;padding:4px 8px 6px}
.sheet .shd h2{margin:0;font-size:17px;text-align:center}
.sheet .hb{border:0;background:none;width:44px;height:44px;padding:0;display:grid;place-items:center;justify-self:end}
.sheet .hb span{width:30px;height:30px;border-radius:50%;background:var(--surface2);display:grid;place-items:center;color:var(--dim)}
.sheet .hb svg{width:16px;height:16px;stroke-width:2.6}
.sheet .sbody{overflow:auto;padding:6px 16px 26px;overscroll-behavior:contain;flex:1}
@media (min-width:720px){.sheet{bottom:50%;transform:translateY(calc(50% + 100vh));border-radius:22px;max-height:86vh;max-height:86dvh}.sheet.on{transform:translateY(50%)}.sheet .grab{display:none}.sheet .shd{padding-top:10px}}
.grp{margin:0 0 18px}
.grp>.cap{font-size:13px;color:var(--dim);text-transform:uppercase;letter-spacing:.04em;margin:0 16px 6px}
.grp>.foot{font-size:13px;color:var(--dim);margin:6px 16px 0;line-height:1.45}
.list{background:var(--surface);border-radius:18px;overflow:hidden;box-shadow:var(--sh)}
.li{display:flex;align-items:center;gap:12px;padding:10px 16px;min-height:52px;position:relative;width:100%;border:0;background:none;text-align:left;text-decoration:none;color:var(--ink);font-size:16px}
.li+.li::before{content:"";position:absolute;top:0;left:16px;right:0;border-top:.5px solid var(--line)}
button.li:active,a.li:active{background:var(--surface2)}
.li small{display:block;color:var(--dim);font-size:13px}
.li .chev{color:var(--faint);width:16px;height:16px}
.li .seg{flex:none;min-width:190px}
.li .seg button{min-height:36px;padding:6px 10px;font-size:14px}
@media (max-width:400px){.li.wrapr{flex-wrap:wrap}.li.wrapr .seg{width:100%}}

.toast{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom) + 28px);transform:translate(-50%,20px);background:rgba(28,28,30,.95);color:#fff;padding:11px 16px;border-radius:16px;font-weight:600;font-size:14.5px;opacity:0;pointer-events:none;transition:opacity .2s,transform .25s var(--ease);z-index:90;max-width:calc(100% - 32px)}
.toast.on{opacity:1;transform:translate(-50%,0)}
@keyframes pop{0%{transform:scale(1)}40%{transform:scale(1.05)}100%{transform:scale(1)}}
.pop{animation:pop .3s var(--ease)}
/* mobile.js gives every button 40px on touch screens (html.touch button): these keep their own sizes */
:root .stp{min-height:40px}:root .seg button{min-height:44px}:root .li .seg button{min-height:36px}:root .lstp button{min-height:44px}:root .hshare{min-height:44px}:root .li{min-height:52px}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}}