/* Design tokens. Spacing runs on a 4px grid; radii 12/16/22; one accent, one warning. */
:root{
  color-scheme:light dark;
  --bg:#f3f7f6;--bg2:#e1efec;--card:#fff;--fg:#0e1f1d;--mute:#60787a;--line:#e3ecea;--soft:#f0f6f5;
  --accent:#0d9488;--accent-fg:#fff;--accent2:#0f766e;--accent-soft:#d8f2ee;
  --warn:#c2620a;--warn-soft:#fdeedb;--bad:#d4443f;--water:#2f8fe0;
  --shadow:0 1px 0 rgba(14,31,29,.03),0 10px 28px -16px rgba(14,31,29,.22);
  --font:ui-rounded,"SF Pro Rounded",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
@media(prefers-color-scheme:dark){:root{
  --bg:#0a1413;--bg2:#10231f;--card:#12211e;--fg:#e9f4f2;--mute:#8aa6a3;--line:#1f3430;--soft:#0e1b19;
  --accent:#2dd4bf;--accent-fg:#052420;--accent2:#14b8a6;--accent-soft:#12332e;
  --warn:#f5a049;--warn-soft:#33260f;--bad:#f0706c;--water:#5eb3f5;
  --shadow:0 1px 0 rgba(255,255,255,.03),0 10px 28px -16px rgba(0,0,0,.7);
}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{background:var(--bg);-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;color:var(--fg);font:16px/1.45 var(--font);-webkit-font-smoothing:antialiased;
  background:radial-gradient(900px 420px at 50% -120px,var(--bg2),transparent),var(--bg);
  padding-bottom:calc(104px + env(safe-area-inset-bottom))}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0;touch-action:manipulation}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin:0}
:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 55%,transparent);outline-offset:2px;border-radius:10px}
.wrap{max-width:520px;margin:0 auto;padding:calc(20px + env(safe-area-inset-top)) 16px 0}
.num{font-variant-numeric:tabular-nums}
.muted{color:var(--mute)}.center{text-align:center}
.eyebrow{font-size:.72rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--mute)}
.eyebrow.inv{color:#ffffffb8}
.ic{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* header + day strip */
.top{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:12px}
.top h1{font-size:2rem;line-height:1.1;letter-spacing:-.035em;font-weight:800;margin-top:4px}
.top h1 .of{font-size:1rem;font-weight:600;color:var(--mute);letter-spacing:0}
.nav{display:flex;gap:8px}
.icon-btn{width:44px;height:44px;border-radius:14px;background:var(--card);box-shadow:var(--shadow);display:grid;place-items:center;transition:transform .12s}
.icon-btn:active:not(:disabled){transform:scale(.93)}
.icon-btn:disabled{opacity:.3;cursor:default}
.strip{display:flex;gap:3px;margin:0 0 18px}
.strip i{flex:1;height:5px;border-radius:3px;background:var(--line)}
.strip i.on{background:var(--accent)}

/* hero */
.hero{display:grid;grid-template-columns:1fr auto;gap:6px 16px;align-items:center;margin-bottom:14px;padding:22px 20px 18px;border-radius:26px;color:#fff;
  background:radial-gradient(120% 140% at 100% 0,#2dd4bf 0,transparent 55%),linear-gradient(135deg,#0f766e,#0d9488);box-shadow:0 18px 36px -20px rgba(13,148,136,.8)}
.hero .big{font-size:3.4rem;font-weight:800;letter-spacing:-.05em;line-height:1;margin:6px 0 12px}
.hero .big small{font-size:1.1rem;font-weight:600;letter-spacing:0;margin-left:5px;opacity:.85}
.pills{display:flex;gap:6px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:5px;padding:5px 10px 5px 8px;border-radius:99px;background:#fff;color:#0f766e;font-size:.82rem;font-weight:700}
.pill .ic{width:15px;height:15px}.pill.soft{background:#ffffff26;color:#fff;font-weight:600}
.hero .msg{grid-column:1/-1;margin-top:10px;font-size:.92rem;line-height:1.4;color:#ffffffe6;border-top:1px solid #ffffff30;padding-top:12px}
.hero .msg.behind{color:#fff3df}
.ring{display:block}.ring .trk{stroke:#ffffff33}.ring .bar{stroke:#fff;transition:stroke-dashoffset .8s cubic-bezier(.2,.8,.2,1)}.ring text{fill:#fff}
.hero.count{display:block;text-align:center;padding:30px 20px}.hero.count .big{font-size:5.6rem;margin:4px 0}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow);margin-bottom:14px}
.enter .card,.enter .banner,.enter .stat,.enter .hero{animation:rise .4s cubic-bezier(.2,.8,.2,1) both}
.enter .card:nth-of-type(2){animation-delay:.05s}.enter .card:nth-of-type(3){animation-delay:.1s}.enter .card:nth-of-type(4){animation-delay:.15s}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.ch{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.ch h2{font-size:1.02rem;font-weight:700;letter-spacing:-.01em}
.ch .tag{margin-left:auto;font-size:.82rem;font-weight:600;color:var(--mute);background:var(--soft);padding:4px 10px;border-radius:99px}
.ib{width:34px;height:34px;border-radius:11px;background:var(--accent-soft);color:var(--accent2);display:grid;place-items:center;flex:none}
@media(prefers-color-scheme:dark){.ib{color:var(--accent)}}
.banner{display:flex;gap:12px;align-items:flex-start;border-radius:18px;padding:14px 16px;margin-bottom:14px;background:var(--accent-soft);color:var(--accent2);font-size:.92rem;line-height:1.4}
.banner .ic{margin-top:1px}
@media(prefers-color-scheme:dark){.banner{color:var(--accent)}}
.banner.warn{background:var(--warn-soft);color:var(--warn)}
.note{font-size:.8rem;color:var(--mute);margin-top:12px;line-height:1.4}
.plan{font-size:1.02rem;line-height:1.5}

/* form controls */
.f{display:block;margin-bottom:14px}
.f>span{display:block;font-size:.78rem;font-weight:600;color:var(--mute);margin:0 0 6px 2px}
input[type=number],input[type=text],input[type=date],input[type=time],select{
  width:100%;min-height:50px;padding:0 14px;border-radius:14px;border:1.5px solid var(--line);background:var(--soft);outline:none;min-width:0;
  transition:border-color .15s,box-shadow .15s;-webkit-appearance:none;appearance:none}
input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
input::placeholder{color:var(--mute);opacity:.75}
.sel{position:relative}
.sel::after{content:"";position:absolute;right:16px;top:50%;width:7px;height:7px;border:solid var(--mute);border-width:0 2px 2px 0;transform:translateY(-70%) rotate(45deg);pointer-events:none}
.sel select{padding-right:38px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0 8px;margin-top:14px}
.grid3 input[type=time]{padding:0 8px;text-align:center}
.row{display:flex;gap:10px;align-items:center}
.sep{height:1px;background:var(--line);margin:4px 0 18px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 20px;border-radius:16px;background:var(--accent2);color:#fff;font-weight:700;white-space:nowrap;transition:transform .12s,filter .15s}
@media(prefers-color-scheme:dark){.btn{background:var(--accent);color:var(--accent-fg)}}
.btn:active{transform:scale(.97)}.btn:hover{filter:brightness(1.05)}
.btn.ghost{background:var(--accent-soft);color:var(--accent2)}
@media(prefers-color-scheme:dark){.btn.ghost{color:var(--accent)}}
.btn.danger{background:var(--warn-soft);color:var(--bad)}
.btn.block{width:100%;min-height:54px;font-size:1.02rem}
.btn .ic{width:18px;height:18px}
.round{width:50px;height:50px;border-radius:50%;background:var(--soft);border:1.5px solid var(--line);display:grid;place-items:center;flex:none;transition:transform .12s}
.round:active{transform:scale(.92)}.round.fill{background:var(--accent2);border-color:transparent;color:#fff}
@media(prefers-color-scheme:dark){.round.fill{background:var(--accent);color:var(--accent-fg)}}

/* weight stepper */
.stepper{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.bigin{flex:1;display:flex;align-items:baseline;justify-content:center;gap:6px;min-width:0}
.bigin input{width:7.5ch;min-height:0;padding:0;border:0;background:none;text-align:center;font-size:2.8rem;font-weight:800;letter-spacing:-.04em;box-shadow:none!important;border-radius:8px}
.bigin span{font-weight:700;color:var(--mute)}

/* progress bars + big numbers */
.kv{display:flex;align-items:baseline;gap:10px;margin-bottom:12px}
.kv b{font-size:2.3rem;font-weight:800;letter-spacing:-.04em;line-height:1}.kv b small{font-size:1rem;color:var(--mute);letter-spacing:0}
.bar-wrap{position:relative;height:12px;background:var(--soft);border:1px solid var(--line);border-radius:99px;overflow:hidden}
.bar-wrap.tall{height:18px}
.bar-wrap i{position:absolute;top:0;bottom:0;width:2px;background:var(--card);opacity:.9}
.bar-fill{height:100%;border-radius:99px;background:var(--accent);transition:width .5s cubic-bezier(.2,.8,.2,1)}
.bar-fill.over{background:var(--warn)}.bar-fill.water{background:linear-gradient(90deg,var(--water),color-mix(in srgb,var(--water) 70%,#fff))}
.quick .btn{flex:1;padding:0 8px}.quick .btn:nth-child(2){flex:2}
.row.quick{margin-top:14px}

/* meals */
.meals{list-style:none;margin:14px 0 0;padding:0}
.meals li{display:flex;align-items:center;gap:10px;padding:10px 0;border-top:1px solid var(--line)}
.meals li span:first-child{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.x{width:36px;height:36px;border-radius:11px;color:var(--mute);display:grid;place-items:center}
.x .ic{width:17px;height:17px}.x:hover{background:var(--soft);color:var(--bad)}
.mealform{display:grid;grid-template-columns:1fr 84px 50px;gap:8px;margin-top:12px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 8px 8px 14px;border-radius:99px;background:var(--soft);border:1px solid var(--line);font-size:.86rem;font-weight:600}
.chip b{background:var(--accent-soft);color:var(--accent2);border-radius:99px;padding:2px 8px;font-size:.78rem}
@media(prefers-color-scheme:dark){.chip b{color:var(--accent)}}

/* habits */
.autos{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.apill{display:inline-flex;align-items:center;gap:6px;padding:6px 12px 6px 9px;border-radius:99px;background:var(--soft);border:1px solid var(--line);color:var(--mute);font-size:.84rem;font-weight:600}
.apill .ic{width:15px;height:15px}
.apill.on{background:var(--accent-soft);border-color:transparent;color:var(--accent2)}
@media(prefers-color-scheme:dark){.apill.on{color:var(--accent)}}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tile{position:relative;text-align:left;display:flex;flex-direction:column;gap:3px;padding:14px;border-radius:18px;background:var(--soft);border:1.5px solid var(--line);transition:transform .12s,background .2s,border-color .2s}
.tile:active{transform:scale(.97)}
.tile .ti{width:36px;height:36px;border-radius:12px;background:var(--card);display:grid;place-items:center;color:var(--mute);margin-bottom:8px}
.tile b{font-size:.92rem;line-height:1.25}.tile small{font-size:.76rem;color:var(--mute);line-height:1.3}
.tile .tick{position:absolute;top:12px;right:12px;width:22px;height:22px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;color:transparent}
.tile .tick .ic{width:13px;height:13px;stroke-width:3}
.tile.on{background:var(--accent-soft);border-color:var(--accent)}
.tile.on .ti{background:var(--accent);color:var(--accent-fg)}.tile.on .tick{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}
.streak{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:.88rem;color:var(--mute);font-weight:600}.streak .ic{color:var(--warn);width:18px;height:18px}
.task{display:flex;align-items:center;gap:14px;width:100%;text-align:left;padding:13px 0;border-top:1px solid var(--line)}
.task:first-of-type{border-top:0;padding-top:0}
.chk{flex:none;width:28px;height:28px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;color:transparent;transition:.2s}
.chk .ic{width:15px;height:15px;stroke-width:3}
.task.on .chk{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}
.task .t{flex:1;font-weight:600}.task .t small{display:block;color:var(--mute);font-weight:400;font-size:.82rem}

/* progress screen */
.stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:14px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:2px}
.stat .ib{margin-bottom:10px}.stat b{font-size:1.45rem;font-weight:800;letter-spacing:-.03em}.stat>span:last-child{font-size:.8rem;color:var(--mute)}
.chart{width:100%;height:auto;display:block}
.chart text{fill:var(--mute);font-size:11px;font-family:var(--font)}
.chart .gl{stroke:var(--line)}.chart .tl{stroke:var(--accent);stroke-opacity:.45;stroke-dasharray:2 4}
.chart .ideal{stroke:var(--mute);stroke-opacity:.7;stroke-dasharray:5 5;fill:none}
.chart .real{stroke:var(--accent);fill:none;stroke-width:3.5;stroke-linecap:round;stroke-linejoin:round}
.chart .area{fill:url(#ga)}.chart circle{fill:var(--card);stroke:var(--accent);stroke-width:2.5}
.chart .tip rect{fill:var(--fg)}.chart .tip text{fill:var(--bg);font-weight:700;font-size:11.5px}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:.78rem;color:var(--mute);margin-top:10px}
.legend i{display:inline-block;width:16px;height:3px;border-radius:2px;background:var(--accent);margin-right:6px;vertical-align:middle}
.legend i.d{background:var(--mute)}.legend i.g{background:var(--accent);opacity:.45}
.wk{display:flex;align-items:center;gap:14px;padding:12px 0;border-top:1px solid var(--line)}
.wk:first-of-type{border-top:0;padding-top:0}
.wi{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--mute);font-weight:700;font-size:.85rem;flex:none}
.wi .ic{width:16px;height:16px;stroke-width:3}
.wk.ok .wi{background:var(--accent);color:var(--accent-fg)}.wk.no .wi{background:var(--warn-soft);color:var(--warn)}
.wk .n{flex:1;font-weight:600}.wk .n small{display:block;font-weight:400;color:var(--mute);font-size:.8rem}
.days{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.dcell{aspect-ratio:1;border-radius:14px;background:var(--soft);border:1px solid var(--line);display:grid;place-items:center;font-size:.86rem;font-weight:700;color:var(--mute)}
.dcell.l1{background:var(--accent-soft);border-color:transparent;color:var(--accent2)}
.dcell.l2{background:color-mix(in srgb,var(--accent) 50%,var(--card));border-color:transparent;color:var(--fg)}
.dcell.l3{background:var(--accent);border-color:transparent;color:var(--accent-fg)}
.dcell.cur{outline:2.5px solid var(--fg);outline-offset:2px}.dcell.fut{opacity:.4}

/* tab bar */
.tabs{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:center;padding:0 16px calc(12px + env(safe-area-inset-bottom));pointer-events:none;z-index:5}
.tabs div{pointer-events:auto;display:flex;gap:4px;background:color-mix(in srgb,var(--card) 88%,transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border:1px solid var(--line);border-radius:24px;padding:6px;box-shadow:0 14px 34px -12px rgba(0,0,0,.35);width:100%;max-width:400px}
.tabs button{flex:1;min-height:56px;border-radius:18px;color:var(--mute);font-size:.72rem;font-weight:600;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;transition:background .2s,color .2s}
.tabs button .ic{width:22px;height:22px}
.tabs button.on{background:var(--accent-soft);color:var(--accent2)}
@media(prefers-color-scheme:dark){.tabs button.on{color:var(--accent)}}

/* onboarding */
.hello{padding-top:calc(7vh + env(safe-area-inset-top))}
.brand{width:60px;height:60px;border-radius:20px;background:linear-gradient(135deg,#0f766e,#14b8a6);color:#fff;display:grid;place-items:center;margin-bottom:18px;box-shadow:0 14px 28px -12px rgba(13,148,136,.7)}
.brand .ic{width:30px;height:30px}
.hello h1{font-size:2.1rem;line-height:1.1;letter-spacing:-.04em;font-weight:800;margin-bottom:8px}
.lead{margin-bottom:24px;font-size:1.02rem;line-height:1.5}

#toast{position:fixed;left:50%;bottom:calc(104px + env(safe-area-inset-bottom));transform:translate(-50%,16px);background:var(--fg);color:var(--bg);
  padding:12px 18px;border-radius:99px;opacity:0;pointer-events:none;transition:.25s;font-size:.9rem;font-weight:600;z-index:10;max-width:calc(100vw - 32px);text-align:center}
#toast.show{opacity:1;transform:translate(-50%,0)}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}