/* =====================================================================
   Helder app — same tokens as gohelder.com (dark theme), so the app and
   the waitlist page read as one product.
   ===================================================================== */
:root{
  --roast:#20160F; --page:#20160F; --espresso:#2A1E15; --espresso-hover:#45332A;
  --cream:#FBF6EE; --sand:#F0E7D6; --peach:#D99E76; --copper-dot:#B47552; --copper-label:#F2C3A0;
  --taupe:#B2A091; --text-2:#D8CBBC; --text-3:#B2A091; --input-border:#6D5C4E; --error:#F0A296;

  /* Modes, one copper hue stepped by intensity: colder reads brighter.
     Validated as an ordinal ramp on the card surface (#2B211A). */
  --m-relax:#A8694A; --m-focus:#D99E76; --m-hyper:#F6D3B5;

  --hair:rgba(255,240,225,.10);
  --card-bg:linear-gradient(180deg,rgba(251,246,238,.07) 0%,rgba(251,246,238,.03) 100%);
  --card-ring:inset 0 1px 0 rgba(255,255,255,.10),inset 0 0 0 1px rgba(255,240,225,.08);
  --ease:cubic-bezier(.2,.8,.2,1);
  /* a critically damped spring (Apple's default: damping 1, no overshoot) as an easing curve;
     the duration is 1.47 x the spring's response */
  --spring:var(--ease);
  --font:'Albert Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --tabbar-h:64px;
  color-scheme:dark;
}
@supports (transition-timing-function:linear(0,1)){
  :root{--spring:linear(0,.015 2%,.053 4%,.107 6%,.169 8%,.236 10%,.337 13%,.434 16%,.551 20%,.649 24%,.73 28%,.808 33%,.865 38%,.913 44%,.944 50%,.968 57%,.983 65%,.992 74%,.997 85%,1)}
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;overscroll-behavior:none}
/* Home fits on one screen: no scrolling, no rubber-banding (set by fitHome()) */
html.lock,html.lock body{height:100%;overflow:hidden}
body{
  min-height:100vh;min-height:100dvh;background:var(--page);color:var(--cream);
  font-family:var(--font);font-size:16px;line-height:1.45;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  -webkit-tap-highlight-color:transparent;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation}
button:disabled{cursor:default}
h1,h2,h3,p{margin:0}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus{outline:none}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(217,158,118,.55)!important}
.muted{color:var(--text-3);font-size:14px}
.fine{margin-top:14px;font-size:13px;line-height:1.5;letter-spacing:.005em;color:var(--text-3)}
.ico{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* background glow, sampled from the site's hero */
.glow{position:fixed;inset:0 0 auto 0;height:720px;pointer-events:none;z-index:0;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,#000 40%,transparent 95%);mask-image:linear-gradient(180deg,#000 0%,#000 40%,transparent 95%)}
.glow i{position:absolute;border-radius:50%}
.glow i:nth-child(1){left:-220px;top:-280px;width:980px;height:760px;background:radial-gradient(closest-side,rgba(178,142,121,.16),rgba(178,142,121,0))}
.glow i:nth-child(2){right:-260px;top:-160px;width:900px;height:700px;background:radial-gradient(closest-side,rgba(178,160,145,.08),rgba(178,160,145,0))}
.glow i:nth-child(3){left:calc(50% - 340px);top:380px;width:700px;height:420px;background:radial-gradient(closest-side,rgba(58,42,31,.7),rgba(58,42,31,0))}

/* wordmark */
.logo{display:inline-flex;align-items:baseline;gap:3px;color:var(--cream)}
.logo span:first-child{font-size:26px;font-weight:700;line-height:1;letter-spacing:-0.06em}
.logo .dot{width:7px;height:7px;border-radius:50%;background:var(--peach)}
.logo-lg span:first-child{font-size:34px}
.logo-lg .dot{width:9px;height:9px}

/* ===================================================================== */
/*  Buttons, fields, chips                                               */
/* ===================================================================== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding:0 26px;
  border:0;border-radius:999px;font-weight:500;font-size:17px;white-space:nowrap;
  transition:background .15s,color .15s,box-shadow .15s,transform .12s var(--ease),opacity .15s}
.btn:active:not(:disabled){transform:scale(.97);transition-duration:.15s,.15s,.15s,.08s,.15s}
.btn-primary{background:var(--cream);color:var(--roast)}
.btn-primary:disabled{opacity:.45}
.btn-ghost{background:transparent;color:var(--cream);box-shadow:inset 0 0 0 1.5px rgba(251,246,238,.26)}
.btn-ghost:active:not(:disabled){background:rgba(251,246,238,.08)}
.btn-xl{height:58px;width:100%;font-size:18px}
.btn-sm{height:40px;padding:0 18px;font-size:15px}
.link{border:0;background:none;padding:8px;color:var(--text-2);font-size:15px;transition:color .15s,opacity .1s}
.link:active{opacity:.55}

.field{display:block;width:100%;height:58px;padding:0 24px;border-radius:999px;border:1.5px solid var(--input-border);
  background:rgba(32,22,15,.6);color:var(--cream);font:400 17px var(--font);outline:none;
  transition:border-color .15s,box-shadow .15s}
.field::placeholder{color:currentColor;opacity:.55}
.field:focus{border-color:var(--peach);box-shadow:0 0 0 4px rgba(217,158,118,.22)}

.chip{height:36px;padding:0 14px;border:0;border-radius:999px;background:rgba(251,246,238,.07);
  box-shadow:inset 0 0 0 1px rgba(255,240,225,.12);color:var(--cream);font-size:14px;font-weight:500;
  transition:background .15s,color .15s,box-shadow .15s,transform .1s ease-out}
.chip:active:not(:disabled){transform:scale(.95)}
.chip[aria-pressed="true"]{background:var(--cream);color:var(--roast);box-shadow:none}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip-sm{height:30px;padding:0 12px;font-size:13px}
.chip:disabled{opacity:.5}

/* segmented control with a sliding thumb */
.seg{position:relative;display:grid;grid-auto-flow:column;grid-auto-columns:1fr;padding:4px;border-radius:999px;
  background:rgba(251,246,238,.06);box-shadow:inset 0 0 0 1px rgba(255,240,225,.10);--i:0;--n:3}
.seg-thumb{position:absolute;top:4px;bottom:4px;left:4px;width:calc((100% - 8px) / var(--n));border-radius:999px;
  background:var(--cream);transform:translateX(calc(var(--i) * 100%));transition:transform .44s var(--spring),scale .25s var(--spring);
  box-shadow:0 6px 20px rgba(0,0,0,.25)}
/* The thumb sits above the labels and carries its own dark copy of them (main.js inkSeg),
   shifted opposite to the thumb, so a label reads dark exactly where the thumb covers it. */
.seg-thumb{z-index:2;overflow:hidden;pointer-events:none;transition:transform .44s var(--spring),background .15s}
.seg-ink{position:absolute;top:0;bottom:0;left:0;width:calc(100% * var(--n));display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr));
  transform:translateX(calc(var(--i) * -100% / var(--n)));transition:transform .44s var(--spring);
  color:var(--roast);font-size:15px;font-weight:500;white-space:nowrap}
.seg-ink > span{display:flex;align-items:center;justify-content:center;padding:0 12px}
/* pressed, the thumb dims a touch; while it is dragged or springing, JS moves it */
.seg.is-pressing .seg-thumb{background:var(--sand)}
.seg.is-sliding .seg-thumb,.seg.is-sliding .seg-ink,.seg-thumb.is-sprung,.seg-thumb.is-sprung .seg-ink{transition:background .15s}
.seg button{position:relative;z-index:1;height:40px;padding:0 12px;border:0;background:none;border-radius:999px;
  color:var(--text-2);font-size:15px;font-weight:500;transition:opacity .1s;touch-action:pan-y}
.seg button[aria-checked="true"]{cursor:grab}
.seg button:not([aria-checked="true"]):not(:disabled):active{opacity:.55}
.seg.is-sliding{cursor:grabbing}
.seg button:disabled{opacity:.5}
.seg-sm button{height:32px;font-size:13px;padding:0 10px}
.seg-sm .seg-ink{font-size:13px}
.seg-sm .seg-ink > span{padding:0 10px}

/* ===================================================================== */
/*  Sign in                                                              */
/* ===================================================================== */
.auth{position:relative;z-index:1;min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;
  padding:calc(40px + env(safe-area-inset-top)) 20px calc(32px + env(safe-area-inset-bottom))}
html[data-auth="in"] .auth{display:none}
.auth-inner{width:100%;max-width:420px;display:flex;flex-direction:column;align-items:center;text-align:center}
.auth h1{margin:40px 0 12px;font-size:clamp(40px,11vw,60px);font-weight:500;line-height:1.02;letter-spacing:-0.035em}
.auth .lede{margin:0 0 32px;font-size:18px;color:var(--text-2);text-wrap:balance}
.auth-form{width:100%;display:flex;flex-direction:column;gap:10px}
.auth-form .btn{margin-top:6px}
.auth-form.is-loading .btn .ico{display:none}
.auth-form.is-loading .btn::after{content:"";width:16px;height:16px;border-radius:50%;border:2px solid currentColor;border-right-color:transparent;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.form-error{min-height:22px;margin-top:6px;font-size:15px;color:var(--error)}
.auth-note{margin:2px 8px 0;font-size:13px;line-height:1.5;color:var(--text-3);text-wrap:balance}
.auth-forgot{width:100%}
.auth-links{margin-top:22px;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:15px;color:var(--text-3)}
.auth-links p{margin:0}
.link-strong{padding:8px 4px;color:var(--cream);font-weight:500;text-decoration:underline;text-decoration-color:rgba(251,246,238,.35);text-underline-offset:3px}
.ts{width:100%}
.ts:empty{display:none}

/* ===================================================================== */
/*  Shell: top bar, desktop nav, phone tab bar                            */
/* ===================================================================== */
.shell{position:relative;z-index:1}
html:not([data-auth="in"]) .shell{display:none}
html:not([data-role="owner"]) .owner-only{display:none!important}

/* content scrolling under the bar fades into it through a short blurred edge, not a hard line */
.topbar::after{content:"";position:absolute;left:0;right:0;top:100%;height:18px;pointer-events:none;
  background:linear-gradient(180deg,rgba(32,22,15,.55),rgba(32,22,15,0));
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  -webkit-mask-image:linear-gradient(180deg,#000,transparent);mask-image:linear-gradient(180deg,#000,transparent)}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:calc(10px + env(safe-area-inset-top)) 20px 10px;
  background:linear-gradient(180deg,rgba(32,22,15,.92) 0%,rgba(32,22,15,.72) 100%);
  -webkit-backdrop-filter:blur(20px) saturate(150%);backdrop-filter:blur(20px) saturate(150%)}
.nav{display:none}
.topbar-right{display:flex;align-items:center;gap:10px}

.device-chip{display:inline-flex;align-items:center;gap:9px;height:36px;padding:0 14px 0 12px;border:0;border-radius:999px;
  background:rgba(251,246,238,.07);box-shadow:inset 0 0 0 1px rgba(255,240,225,.12);font-size:14px;font-weight:500;
  max-width:52vw;transition:background .15s,transform .1s ease-out}
.device-chip:active,.avatar:active{transform:scale(.95)}
.device-chip span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.live-dot{position:relative;width:8px;height:8px;flex:none;border-radius:50%;box-shadow:inset 0 0 0 1.5px var(--taupe)}
.is-connected .live-dot{box-shadow:none;background:var(--peach)}
.is-connected .live-dot::before{content:"";position:absolute;inset:0;border-radius:50%;background:var(--peach);animation:hlPulse 2.4s cubic-bezier(.2,.6,.3,1) infinite}
.is-connecting .live-dot{box-shadow:inset 0 0 0 1.5px var(--peach);animation:blink 1s ease-in-out infinite}
.is-finding .live-dot{box-shadow:inset 0 0 0 1.5px var(--peach);animation:blink 2.2s ease-in-out infinite}
@keyframes hlPulse{0%{transform:scale(1);opacity:.6}75%,100%{transform:scale(3.2);opacity:0}}
@keyframes blink{50%{opacity:.3}}

.avatar{width:36px;height:36px;flex:none;display:grid;place-items:center;border:0;border-radius:50%;transition:transform .1s ease-out;
  background:linear-gradient(160deg,#4a3527,#2e2119);box-shadow:inset 0 0 0 1px rgba(255,240,225,.16);font-size:15px;font-weight:600;color:var(--copper-label)}
.avatar-lg{width:56px;height:56px;font-size:22px}

main{padding:8px 20px calc(var(--tabbar-h) + 32px + env(safe-area-inset-bottom));max-width:1180px;margin:0 auto}
.view{animation:viewIn .22s var(--ease)}
@keyframes viewIn{from{opacity:0}to{opacity:1}}

.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;justify-content:space-around;
  padding:6px 12px env(safe-area-inset-bottom);min-height:calc(var(--tabbar-h) + env(safe-area-inset-bottom));
  background:rgba(32,22,15,.78);-webkit-backdrop-filter:blur(24px) saturate(160%);backdrop-filter:blur(24px) saturate(160%)}
.tabbar::before{content:"";position:absolute;left:0;right:0;bottom:100%;height:18px;pointer-events:none;
  background:linear-gradient(0deg,rgba(32,22,15,.5),rgba(32,22,15,0));
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  -webkit-mask-image:linear-gradient(0deg,#000,transparent);mask-image:linear-gradient(0deg,#000,transparent)}
.tabbar a{flex:1;max-width:120px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;font-weight:500;letter-spacing:.01em;color:var(--text-3);transition:color .15s}
.tabbar svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;transition:transform .3s var(--spring)}
.tabbar a:active svg{transform:scale(.86);transition-duration:.1s}
.tabbar a[aria-current="page"]{color:var(--cream)}
.tabbar a[aria-current="page"] svg{stroke:var(--peach)}

/* ===================================================================== */
/*  Cards, headings, KPIs                                                 */
/* ===================================================================== */
.card{position:relative;padding:22px;border-radius:26px;background:var(--card-bg);box-shadow:var(--card-ring)}
.card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}
.card-link{font-size:14px;font-weight:500;color:var(--peach)}
.eyebrow{font-size:15px;font-weight:500;color:var(--copper-label)}
h2.eyebrow{margin-bottom:12px}
.card-head h2.eyebrow{margin-bottom:2px}
.insight{margin:-4px 0 14px;font-size:17px;line-height:1.4;color:var(--cream)}
.view-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin:8px 0 18px}
.view-head h1{font-size:32px;font-weight:500;letter-spacing:-0.03em;line-height:1.1}
.view-head .eyebrow{margin-bottom:4px}
.view-note{font-size:14px;color:var(--text-3)}
#rangeSeg{width:100%;max-width:340px;--n:3}

.kpis{display:grid;gap:16px}
.kpis-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.kpis-4{grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:16px}
.kpi{min-width:0}
.kpi-ico{width:24px;height:24px;margin-bottom:8px}
.kpi-ico svg{width:24px;height:24px;fill:none;stroke:var(--peach);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.kpi-label{font-size:13px;line-height:1.3;letter-spacing:.005em;color:var(--text-3)}
.kpi-value{margin-top:2px;font-size:30px;font-weight:500;letter-spacing:-0.03em;line-height:1.1}
.kpi-value.word{font-size:24px;letter-spacing:-0.02em}
.kpi-value small{margin-left:5px;font-size:15px;font-weight:500;letter-spacing:0;color:var(--text-2)}
.kpi-delta{margin-top:2px;font-size:13px;color:var(--text-3)}

.stat-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;margin-top:16px}

/* ===================================================================== */
/*  Home                                                                  */
/* ===================================================================== */
.home-grid{max-width:560px;margin:0 auto}
.home-main{display:flex;flex-direction:column;align-items:stretch}
html.lock .home-main{min-height:calc(100dvh - 76px - var(--tabbar-h) - 40px - env(safe-area-inset-top) - env(safe-area-inset-bottom));justify-content:center}
.greet{margin:6px 0 4px}
.greet h1{font-size:30px;font-weight:500;letter-spacing:-0.03em;line-height:1.12}
.greet p{margin-top:4px;font-size:17px;color:var(--text-2)}

.dial{--mode:var(--m-focus);position:relative;width:min(78vw,300px,38dvh);aspect-ratio:1;margin:18px auto 22px;display:grid;place-items:center}
.dial[data-mode="relax"]{--mode:var(--m-relax)}
.dial[data-mode="hyper"]{--mode:var(--m-hyper)}
.dial::before{content:"";position:absolute;inset:-4%;border-radius:50%;
  background:radial-gradient(closest-side,color-mix(in srgb,var(--mode) 30%,transparent),transparent 72%);
  transition:background .5s var(--ease)}
.dial::after{content:"";position:absolute;inset:7%;border-radius:50%;
  background:radial-gradient(120% 90% at 50% 0%,rgba(251,246,238,.10),rgba(251,246,238,.02) 60%),#2a1f17;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12),inset 0 0 0 1px rgba(255,240,225,.08),0 30px 60px rgba(0,0,0,.35)}
.dial-ring{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg);z-index:1}
.dial-track{fill:none;stroke:rgba(251,246,238,.07);stroke-width:3}
.dial-prog{fill:none;stroke:var(--mode);stroke-width:3.5;stroke-linecap:round;stroke-dasharray:100 100;stroke-dashoffset:100;
  transition:stroke-dashoffset .9s var(--ease),stroke .5s}
.dial-core{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 12%}
.dial-eyebrow{font-size:15px;font-weight:500;color:var(--copper-label);min-height:22px}
.dial-temp{margin:2px 0 4px;font-size:clamp(68px,21vw,96px);font-weight:500;letter-spacing:-0.05em;line-height:1;
  font-variant-numeric:proportional-nums;transition:opacity .2s}
.dial-temp .deg{font-weight:400;color:var(--text-2);margin-left:.02em}
.dial-temp .deg-sm{font-size:.42em;vertical-align:1.05em;margin-left:.06em}
.dial-temp small{font-size:.42em;letter-spacing:-0.02em}
.dial-sub{font-size:15px;color:var(--text-2);min-height:22px;font-variant-numeric:tabular-nums}
.dial[data-phase="cool"] .dial-temp,.dial[data-phase="hold"] .dial-temp,.dial[data-phase="rewarm"] .dial-temp{font-variant-numeric:tabular-nums}
.pulses{display:flex;gap:7px;justify-content:center;margin-top:12px;min-height:8px}
.pulses i{width:8px;height:8px;border-radius:50%;box-shadow:inset 0 0 0 1.5px rgba(251,246,238,.3);transition:background .3s,box-shadow .3s}
.pulses i.done{background:var(--mode);box-shadow:none}
.pulses i.now{background:var(--mode);box-shadow:0 0 0 4px color-mix(in srgb,var(--mode) 25%,transparent),0 0 16px color-mix(in srgb,var(--mode) 60%,transparent)}

/* the orb breathes while a session runs; slower while it rewarms */
.dial[data-phase="cool"]::before,.dial[data-phase="hold"]::before{animation:breathe 4s ease-in-out infinite}
.dial[data-phase="rewarm"]::before{animation:breathe 7s ease-in-out infinite;opacity:.6}
@keyframes breathe{0%,100%{transform:scale(.96);opacity:.75}50%{transform:scale(1.04);opacity:1}}
.dial[data-phase="off"] .dial-temp{opacity:.35}
/* still running on Helder while the app can't see it: the orb keeps breathing,
   slowly, and the ring shows how far along it should be */
.dial[data-phase="away"]::before{animation:breathe 7s ease-in-out infinite;opacity:.55}
.dial[data-phase="away"] .dial-temp{opacity:.4}
.dial[data-phase="away"] .dial-prog{stroke:color-mix(in srgb,var(--mode) 60%,transparent)}

.seg-modes{--n:3;margin:0 auto;width:100%;max-width:420px}
.seg-modes button{height:58px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;line-height:1.15}
.seg-modes button b{font-weight:500;font-size:15px}
.seg-modes button span{font-size:13px;color:var(--text-3);transition:color .2s}
.seg-modes .seg-ink > span{flex-direction:column;gap:1px;line-height:1.15}
.seg-modes .seg-ink b{font-weight:500;font-size:15px}
.seg-modes .seg-ink span span{font-size:13px;color:rgba(32,22,15,.62)}

.go-wrap{display:flex;flex-direction:column;align-items:center;margin-top:16px}
.btn-go{width:100%;max-width:420px;height:64px;font-size:20px;letter-spacing:-0.01em;
  box-shadow:0 14px 40px rgba(0,0,0,.35)}
.btn-go.is-stop,.btn-go.is-stop:disabled{background:rgba(251,246,238,.04);color:var(--cream);box-shadow:inset 0 0 0 1.5px rgba(251,246,238,.32)}
.btn-go.is-stop:active:not(:disabled){background:rgba(251,246,238,.10)}
.go-hint{min-height:22px;margin-top:12px;font-size:14px;color:var(--text-3);text-align:center}
.go-hint.warn{color:var(--copper-label)}
.go-hint.info{color:var(--text-2)}


/* ===================================================================== */
/*  Charts                                                               */
/* ===================================================================== */
.chart{position:relative;width:100%}
.viz{display:block;width:100%;height:auto;overflow:visible}
.viz text{font-family:var(--font);font-size:12px;letter-spacing:.01em;fill:var(--text-3)}
.viz .tick{font-variant-numeric:tabular-nums}
.viz .grid{stroke:rgba(255,240,225,.08);stroke-width:1;shape-rendering:crispEdges}
.viz .bar{fill:rgba(251,246,238,.22);transition:fill .15s}
.viz .bar.accent{fill:var(--peach)}
.viz .hit{fill:transparent;cursor:default}
.viz .hit:hover+.bar,.viz .hit:focus+.bar{fill:rgba(251,246,238,.38)}
.viz .hit:hover+.bar.accent,.viz .hit:focus+.bar.accent{fill:var(--copper-label)}
.viz .val{fill:var(--cream);font-weight:500;font-size:12px}
.viz .today{fill:var(--cream);font-weight:600}

.tip{position:fixed;z-index:80;pointer-events:none;padding:8px 12px;border-radius:12px;background:#3a2b20;
  box-shadow:0 10px 30px rgba(0,0,0,.4),inset 0 0 0 1px rgba(255,240,225,.12);font-size:13px;color:var(--text-2);
  transform:translate(-50%,calc(-100% - 10px));white-space:nowrap}
.tip b{display:block;font-size:15px;font-weight:600;color:var(--cream)}

/* part-to-whole bar */
.split{display:flex;gap:2px;height:14px;margin:4px 0 16px}
.split i{display:block;height:100%;min-width:4px}
.split i:first-child{border-radius:999px 0 0 999px}
.split i:last-child{border-radius:0 999px 999px 0}
.split i:only-child{border-radius:999px}
.legend{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.legend li{display:grid;grid-template-columns:12px minmax(0,1fr) auto;align-items:center;gap:10px;font-size:15px}
.legend .sw{width:12px;height:12px;border-radius:4px}
.legend .num{font-variant-numeric:tabular-nums;color:var(--text-2)}
.legend .num b{color:var(--cream);font-weight:500}
.legend .num span{margin-left:10px;color:var(--text-3)}

/* meters: avg feeling per mode */
.meters{display:flex;flex-direction:column;gap:14px}
.meter-top{display:flex;justify-content:space-between;align-items:baseline;gap:10px;font-size:15px;margin-bottom:6px}
.meter-top span:last-child{color:var(--text-2);font-variant-numeric:tabular-nums}
.meter-top b{font-weight:500;color:var(--cream)}
.meter-track{position:relative;height:8px;border-radius:999px;background:rgba(251,246,238,.08)}
.meter-fill{position:absolute;left:0;top:0;bottom:0;border-radius:999px;transition:width .5s var(--ease)}
.scale-ends{display:flex;justify-content:space-between;margin-top:10px;font-size:12px;color:var(--text-3)}
.meter-note{margin-top:6px;font-size:13px;color:var(--text-3)}

.empty{padding:6px 0;color:var(--text-3);font-size:15px}

/* ===================================================================== */
/*  Owner                                                                 */
/* ===================================================================== */
.profile-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:12px}
.prof{padding:18px;border-radius:20px;background:rgba(251,246,238,.04);box-shadow:inset 0 0 0 1px rgba(255,240,225,.08)}
.prof.dirty{box-shadow:inset 0 0 0 1.5px rgba(217,158,118,.6)}
.prof-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.prof-head .sw{width:12px;height:12px;border-radius:50%}
.prof-head b{font-size:18px;font-weight:500}
.prof-head small{margin-left:auto;font-size:13px;color:var(--text-3)}
.step{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 0;box-shadow:inset 0 -1px 0 var(--hair)}
.step:last-of-type{box-shadow:none}
.step label{font-size:15px;color:var(--text-2)}
.stepper{display:flex;align-items:center;gap:8px}
.stepper button{width:34px;height:34px;display:grid;place-items:center;border:0;border-radius:50%;
  background:rgba(251,246,238,.08);box-shadow:inset 0 0 0 1px rgba(255,240,225,.12);font-size:18px;line-height:1}
.stepper button{transition:background .15s,transform .1s ease-out}
.stepper button:active:not(:disabled){transform:scale(.9);background:rgba(251,246,238,.16)}
.stepper output{min-width:64px;text-align:center;font-size:17px;font-weight:500;font-variant-numeric:tabular-nums}
.prof-foot{margin-top:10px;font-size:13px;color:var(--text-3)}

.table-wrap{overflow-x:auto;margin:0 -6px;padding:0 6px}
.table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
.table th{padding:8px 10px;text-align:left;font-weight:500;color:var(--text-3);font-size:13px;box-shadow:inset 0 -1px 0 var(--hair)}
.table td{padding:11px 10px;box-shadow:inset 0 -1px 0 var(--hair);white-space:nowrap}
.table tr:last-child td{box-shadow:none}
.table .n{text-align:right;font-variant-numeric:tabular-nums}
.table .who b{display:block;font-weight:500;font-size:15px;color:var(--cream)}
.table .who small{color:var(--text-3);font-size:12px}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-2)}
.pill i{width:8px;height:8px;border-radius:50%}
.status-dot{display:inline-flex;align-items:center;gap:6px}
.status-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--taupe)}
.status-dot.on::before{background:var(--peach)}

.feed{list-style:none;margin:0;padding:0}
.feed li{padding:11px 0;box-shadow:inset 0 -1px 0 var(--hair);font-size:15px}
.feed li:last-child{box-shadow:none}
.feed small{display:block;margin-top:2px;font-size:13px;color:var(--text-3)}

.bars-h{display:flex;flex-direction:column;gap:12px}
.bars-h .row-top{display:flex;justify-content:space-between;font-size:15px;margin-bottom:6px}
.bars-h .row-top span:last-child{color:var(--text-2);font-variant-numeric:tabular-nums}

.diag{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.diag div{min-width:0}
.diag span{display:block;font-size:13px;color:var(--text-3)}
.diag b{display:block;margin-top:2px;font-size:20px;font-weight:500;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ===================================================================== */
/*  Sheets                                                                */
/* ===================================================================== */
.scrim{position:fixed;inset:0;z-index:60;background:rgba(12,8,5,.55);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
  opacity:0;transition:opacity .25s;touch-action:none}
.scrim.on{opacity:1}
/* phone sheets are moved by springs and fingers (main.js), never by CSS transitions */
.scrim.is-physical,.sheet.is-physical{transition:none}
.sheet.is-physical{will-change:transform}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:70;max-height:92vh;max-height:92dvh;overflow-y:auto;overscroll-behavior:contain;
  padding:10px 24px calc(24px + env(safe-area-inset-bottom));border-radius:30px 30px 0 0;
  background:linear-gradient(180deg,#36281e 0%,#2a1e15 50%);
  /* the last shadow is the sheet's own colour continuing below the screen edge, so a bounce or an upward pull never shows a gap */
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 -20px 60px rgba(0,0,0,.4),0 240px 0 0 #2a1e15;
  transform:translateY(105%);transition:transform .34s var(--ease);text-align:center}
.sheet.on{transform:none}
.sheet-grab{height:28px;margin:-10px -24px 8px;display:flex;align-items:center;justify-content:center;touch-action:none;cursor:grab}
.sheet.is-dragging,.sheet.is-dragging .sheet-grab{cursor:grabbing}
.sheet.is-dragging .sheet-grab::before{background:rgba(251,246,238,.4)}
.sheet-grab::before{content:"";width:38px;height:5px;border-radius:999px;background:rgba(251,246,238,.22)}
.sheet h2{font-size:26px;font-weight:500;letter-spacing:-0.025em;line-height:1.15}
.sheet-lede{margin:8px auto 0;max-width:340px;font-size:16px;color:var(--text-2)}
.sheet-actions{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.sheet .fine{text-align:center}
.band{margin:4px auto 10px;width:220px}
.band svg{display:block;width:100%;height:auto;filter:drop-shadow(0 18px 30px rgba(180,117,82,.35))}

.check{width:56px;height:56px;margin:4px auto 14px;display:grid;place-items:center;border-radius:50%;background:var(--cream);color:var(--roast)}
.check svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

fieldset{border:0;margin:24px 0 0;padding:0;min-width:0}
legend{padding:0;margin:0 auto 12px;font-size:16px;font-weight:500;color:var(--cream)}
.rate-row{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}
.rate-row button{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:8px;padding:12px 3px 10px;border:0;border-radius:18px;
  background:rgba(251,246,238,.05);box-shadow:inset 0 0 0 1px rgba(255,240,225,.08);font-size:11.5px;line-height:1.15;font-weight:500;color:var(--text-2);
  transition:background .15s,box-shadow .15s,color .15s,transform .1s ease-out}
.rate-row button:active{transform:scale(.95)}
.rate-row button i{width:26px;height:26px;border-radius:50%;background:var(--copper-label);transition:transform .2s var(--ease)}
.rate-row button[aria-pressed="true"]{background:var(--cream);color:var(--roast);box-shadow:none}
.rate-row button[aria-pressed="true"] i{transform:scale(1.12);background:var(--peach)}
.reasons .chips{justify-content:center}

.acct{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;text-align:left;margin-top:4px}
.acct h2{font-size:22px}
.role-tag{height:26px;padding:0 11px;display:inline-flex;align-items:center;border-radius:999px;background:rgba(217,158,118,.16);color:var(--copper-label);font-size:13px;font-weight:600}
.list{list-style:none;margin:18px 0 0;padding:0;text-align:left;border-radius:20px;background:rgba(251,246,238,.04);box-shadow:inset 0 0 0 1px rgba(255,240,225,.08)}
.list li{display:flex;justify-content:space-between;gap:12px;padding:14px 18px;box-shadow:inset 0 -1px 0 var(--hair);font-size:15px}
.list li:last-child{box-shadow:none}
.list li span:last-child{color:var(--text-2);text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.list button{border:0;background:none;padding:0;color:var(--peach);font-weight:500;transition:opacity .1s}
.list button:active{opacity:.55}


.toast{position:fixed;left:50%;top:calc(14px + env(safe-area-inset-top));z-index:90;max-width:calc(100vw - 32px);
  padding:12px 18px;border-radius:999px;background:var(--cream);color:var(--roast);font-size:15px;font-weight:500;
  box-shadow:0 14px 40px rgba(0,0,0,.4);transform:translate(-50%,-140%);transition:transform .5s var(--spring)}
.toast.on{transform:translate(-50%,0)}

/* phone only */
@media (max-width:639px){
  .card-head-stack{flex-direction:column;align-items:stretch}
  .card-head-stack .btn{width:100%}
}

/* ===================================================================== */
/*  Tablet & desktop                                                      */
/* ===================================================================== */
@media (min-width:640px){
  .kpis-4{grid-template-columns:repeat(4,minmax(0,1fr))}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card-wide,.span-2{grid-column:1 / -1}
  .profile-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .diag{grid-template-columns:repeat(4,minmax(0,1fr))}
  .card{padding:26px 28px;border-radius:30px}
}

@media (min-width:900px){
  :root{--tabbar-h:0px}
  .tabbar{display:none}
  .topbar{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);padding:18px 40px;
    background:linear-gradient(180deg,rgba(32,22,15,.9),rgba(32,22,15,.6))}
  .logo span:first-child{font-size:30px}
  .logo .dot{width:8px;height:8px}
  .nav{display:flex;gap:6px;padding:4px;border-radius:999px;background:rgba(251,246,238,.05);box-shadow:inset 0 0 0 1px rgba(255,240,225,.08)}
  .nav a{display:flex;align-items:center;height:40px;padding:0 20px;border-radius:999px;font-size:16px;font-weight:500;color:var(--text-2);transition:color .15s,background .15s,opacity .1s}
  .nav a:not([aria-current="page"]):active{opacity:.6}
  .nav a[aria-current="page"]{background:var(--cream);color:var(--roast)}
  .topbar-right{justify-self:end}
  .device-chip{height:40px;max-width:260px}
  .avatar{width:40px;height:40px}
  main{padding:16px 40px 64px}

  .home-grid{max-width:600px}
  .home-main{padding:28px 36px 28px;border-radius:36px;background:var(--card-bg);box-shadow:var(--card-ring)}
  html.lock .home-main{min-height:0}
  .greet h1{font-size:34px}
  .dial{width:min(300px,36dvh);margin:14px auto 18px}
  main:has(#view-home:not([hidden])){padding-bottom:16px}
  .dial-temp{font-size:min(96px,13dvh)}
  .view-head h1{font-size:40px}

  .sheet{left:50%;right:auto;top:50%;bottom:auto;width:460px;max-height:88vh;border-radius:32px;padding:28px 32px 30px;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 30px 80px rgba(0,0,0,.45);
    opacity:0;transform:translate(-50%,-50%) scale(.9);transition:transform .5s var(--spring),opacity .2s ease-out}
  .sheet.on{opacity:1;transform:translate(-50%,-50%)}
  .sheet-grab{display:none}
  .toast{top:88px}
}

@media (min-width:1100px){
  .stat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .stat-grid .card-wide{grid-column:span 3}
  .stat-grid .span-2{grid-column:span 2}
  #view-owner .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  #view-owner .stat-grid .card-wide{grid-column:span 2}
}

/* hover only where the pointer can hover: on a phone a tapped control would otherwise stay "hovered" */
@media (hover:hover){
  .btn-primary:hover:not(:disabled){background:var(--sand)}
  .btn-ghost:hover:not(:disabled){background:rgba(251,246,238,.06)}
  .link:hover{color:var(--peach)}
  .chip:hover{background:rgba(251,246,238,.12)}
  .chip[aria-pressed="true"]:hover{background:var(--sand)}
  .device-chip:hover{background:rgba(251,246,238,.12)}
  .btn-go.is-stop:hover:not(:disabled){background:rgba(251,246,238,.10)}
  .stepper button:hover:not(:disabled){background:rgba(251,246,238,.14)}
  .nav a:hover{color:var(--cream)}
  .nav a[aria-current="page"]:hover{color:var(--roast)}
}

/* Reduced motion: gentler, not dead. Movement becomes cross-fades; colour and
   opacity changes stay, and so does the spinner (it shows work, it isn't travel). */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important}
  .auth-form.is-loading .btn::after{animation:spin .8s linear infinite!important}
  .seg-thumb,.seg-ink{transition:transform .15s ease-out}
  .toast{opacity:0;transform:translate(-50%,0);transition:opacity .2s}
  .toast.on{opacity:1}
  .sheet{transform:none;opacity:0;transition:opacity .22s}
  .sheet.on{transform:none;opacity:1}
  .tabbar svg{transition:none}
}
@media (prefers-reduced-motion:reduce) and (min-width:900px){
  .sheet,.sheet.on{transform:translate(-50%,-50%)}
}
/* Reduced transparency: frosted bars and the blurred scrim become solid */
@media (prefers-reduced-transparency:reduce){
  .topbar,.tabbar{background:var(--roast);-webkit-backdrop-filter:none;backdrop-filter:none}
  .topbar::after,.tabbar::before{display:none}
  .tabbar{box-shadow:inset 0 1px 0 var(--hair)}
  .scrim{background:rgba(12,8,5,.78);-webkit-backdrop-filter:none;backdrop-filter:none}
}
/* Increased contrast: brighter secondary text, defined edges */
@media (prefers-contrast:more){
  :root{--text-2:#EFE5DA;--text-3:#D8CBBC;--input-border:#B2A091;--hair:rgba(255,240,225,.3);
    --card-ring:inset 0 0 0 1.5px rgba(255,240,225,.45)}
  .seg,.chip,.device-chip,.prof,.list{box-shadow:inset 0 0 0 1.5px rgba(255,240,225,.45)}
  .topbar::after,.tabbar::before{display:none}
  .topbar{box-shadow:0 1px 0 var(--hair)}
  .tabbar{box-shadow:inset 0 1px 0 var(--hair)}
}