@font-face {
  font-family: "Figtree";
  src: url("fonts/figtree.woff2") format("woff2");
  font-weight: 300 900;
  font-display: swap;
}

:root {
  --yellow: #ffd60a;
  --bg: #000000;
  --raise: #121212;
  --raise-2: #1c1c1c;
  --line: #2c2c2c;
  --text: #f5f5f5;
  --muted: #a3a3a3;
  --acc: var(--yellow);        /* filled things: buttons, the ring */
  --acc-hover: #ffe14d;
  --acc-text: var(--yellow);   /* yellow as text, icons, outlines */
  --acc-dim: #6b5a00;
  --ink: #000000;              /* text on yellow */
  --error: #ff8a80;
  --shadow: rgba(0, 0, 0, .7);
  --r: 14px;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: dark;
}
/* light: yellow can't be text on white (1.3:1), so it only ever fills, with black on or beside it */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #ffffff; --raise: #f2f2f2; --raise-2: #e6e6e6; --line: #d4d4d4;
    --text: #000000; --muted: #525252;
    --acc-hover: #f5c800; --acc-text: #000000; --acc-dim: #e0b800;
    --error: #b42318; --shadow: rgba(0, 0, 0, .18);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #ffffff; --raise: #f2f2f2; --raise-2: #e6e6e6; --line: #d4d4d4;
  --text: #000000; --muted: #525252;
  --acc-hover: #f5c800; --acc-text: #000000; --acc-dim: #e0b800;
  --error: #b42318; --shadow: rgba(0, 0, 0, .18);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1rem/1.55 "Figtree", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--acc); color: var(--ink); }
:focus-visible { outline: 2px solid var(--acc-text); outline-offset: 3px; border-radius: 6px; }
html { scrollbar-color: var(--line) var(--bg); }

main { max-width: 760px; margin: 0 auto; padding: 64px 16px 40px; counter-reset: step; }
.top { margin-bottom: 56px; }
h1 {
  font-size: clamp(3.5rem, 15vw, 6rem); font-weight: 900; letter-spacing: -0.04em; line-height: .88;
  margin: 0 0 24px;
}
h1 span { display: block; }
h1 a { color: inherit; text-decoration: none; }
/* "Budget" sits on a yellow bar, the same fill as the energy slider below */
h1 span + span { width: fit-content; background: var(--acc); color: var(--ink); padding: 0 .12em .08em; margin: .06em 0 0 -.06em; }
.lede { color: var(--muted); margin: 0; max-width: 46ch; font-size: 1.125rem; line-height: 1.5; }
h2 { font-size: clamp(1.5rem, 4.5vw, 1.875rem); font-weight: 850; margin: 4px 0 14px; letter-spacing: -0.03em; line-height: 1.1; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.hint { color: var(--muted); margin: -4px 0 14px; font-size: 0.9375rem; max-width: 60ch; }

.step {
  display: grid; grid-template-columns: 44px minmax(0, 1fr); column-gap: 24px; align-items: start;
  padding: 36px 0 40px; border-top: 1px solid var(--line);
}
.step > * { grid-column: 2; }
/* the steps are a real sequence, so they're numbered; hidden ones don't count */
.step::before {
  counter-increment: step; content: counter(step); grid-column: 1; grid-row: 1;
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 10px;
  background: var(--acc); color: var(--ink); font: 900 1.375rem/1 "Figtree", sans-serif; font-variant-numeric: tabular-nums;
}
.step[hidden] { display: none; }
@media (max-width: 560px) {
  .step { grid-template-columns: minmax(0, 1fr); }
  .step > * { grid-column: 1; }
  .step::before { width: 36px; height: 36px; font-size: 1.125rem; margin-bottom: 14px; grid-row: auto; }
}

.ic { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* photo pickers */
.drop {
  display: grid; justify-items: center; text-align: center; gap: 6px;
  padding: 40px 24px 36px; border: 2px dashed var(--line); border-radius: 18px;
  background: var(--raise); cursor: pointer; transition: border-color .2s, background .2s;
}
.drop:hover { border-color: var(--acc-text); background: var(--raise-2); }
.drop:hover .badge { transform: scale(1.06) rotate(-4deg); }
.drop:focus-within { outline: 2px solid var(--acc-text); outline-offset: 3px; }
.drop input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.badge {
  display: grid; place-items: center; width: 68px; height: 68px; border-radius: 50%; margin-bottom: 10px;
  background: var(--acc); color: var(--ink); transition: transform .4s var(--ease);
}
.badge .ic { width: 32px; height: 32px; stroke-width: 2; }
.drop-main { font-weight: 800; font-size: 1.3125rem; letter-spacing: -0.015em; }
.drop-sub { color: var(--muted); font-size: 0.9375rem; max-width: 42ch; }
.drop.small { padding: 28px 20px 26px; }
.drop.small .badge { width: 56px; height: 56px; }
.drop.busy { opacity: .5; pointer-events: none; }

.preview { margin: 16px 0 0; }
.preview img { display: block; width: 100%; max-height: 360px; object-fit: cover; border-radius: var(--r); }

.wait { margin-top: 18px; color: var(--muted); }
.wait p { margin: 0 0 14px; display: flex; gap: 16px; justify-content: space-between; align-items: center; }
.clock {
  font: 900 2.25rem/1 "Figtree", sans-serif; letter-spacing: -0.03em; font-variant-numeric: tabular-nums;
  color: var(--acc-text); white-space: nowrap;
}
.skeleton { display: flex; flex-wrap: wrap; gap: 8px; }
.skeleton i { height: 34px; border-radius: 999px; background: var(--raise-2); animation: breathe 2.4s ease-in-out infinite; }
.skeleton i:nth-child(1) { width: 140px; } .skeleton i:nth-child(2) { width: 96px; animation-delay: .3s; }
.skeleton i:nth-child(3) { width: 170px; animation-delay: .6s; } .skeleton i:nth-child(4) { width: 110px; animation-delay: .9s; }
.skeleton i:nth-child(5) { width: 130px; animation-delay: 1.2s; }
@keyframes breathe { 50% { opacity: .45; } }

.error { color: var(--error); margin: 14px 0 0; }

/* detected items */
.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 12px 9px 16px;
  border: 1.5px solid var(--line); border-radius: 999px; background: var(--raise);
  color: var(--text); font: inherit; font-size: 1rem; font-weight: 650; cursor: pointer;
  transition: opacity .2s, border-color .2s, background .2s;
  animation: pop .5s var(--ease) both;
}
@keyframes pop { from { opacity: 0; transform: scale(.9); } }
.chip:hover { border-color: var(--acc-text); }
.chip:hover .ic { color: var(--text); }
.chip small { color: var(--muted); font-size: 0.8125rem; font-weight: 500; }
.chip .ic { width: 16px; height: 16px; color: var(--muted); }
.chip[aria-pressed="true"] { opacity: .45; text-decoration: line-through; text-decoration-color: var(--muted); }

/* energy */
.slider { display: grid; gap: 12px; margin-bottom: 28px; }
.slider output { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; order: -1; margin-bottom: 6px; }
.slider output b { font-size: clamp(2.75rem, 10vw, 4.25rem); font-weight: 900; line-height: .95; font-variant-numeric: tabular-nums; letter-spacing: -0.04em; }
.slider output span { color: var(--muted); font-size: 1.125rem; font-weight: 600; }
/* a fat battery-like track, filled up to the thumb (--v is set by showBudget) */
input[type=range] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 34px; margin: 0; background: transparent; cursor: pointer;
}
input[type=range]::-webkit-slider-runnable-track {
  height: 18px; border-radius: 9px; box-shadow: inset 0 0 0 1px var(--line);
  background: linear-gradient(90deg, var(--acc) var(--v, 45%), var(--raise-2) 0);
}
input[type=range]::-moz-range-track {
  height: 18px; border-radius: 9px; box-shadow: inset 0 0 0 1px var(--line);
  background: linear-gradient(90deg, var(--acc) var(--v, 45%), var(--raise-2) 0);
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 34px; height: 34px; margin-top: -8px; border-radius: 50%;
  background: var(--bg); border: 6px solid var(--acc-text); box-shadow: 0 4px 12px -4px var(--shadow);
  transition: transform .2s var(--ease);
}
input[type=range]::-moz-range-thumb {
  width: 22px; height: 22px; border-radius: 50%; background: var(--bg); border: 6px solid var(--acc-text);
  box-shadow: 0 4px 12px -4px var(--shadow);
}
input[type=range]:active::-webkit-slider-thumb { transform: scale(1.12); }
input[type=range]:focus-visible { outline: none; }
input[type=range]:focus-visible::-webkit-slider-thumb { outline: 2px solid var(--acc-text); outline-offset: 3px; }
/* tick ruler; the 17px inset is where the 34px thumb's centre can travel */
.ruler {
  position: relative; height: 26px; margin: -4px 17px 0;
  background: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 2.5%) top / 100% 7px no-repeat;
}
.ruler span {
  position: absolute; left: calc(var(--at) * 100%); bottom: 0; translate: -50% 0;
  font: 500 0.75rem/1 var(--mono); color: var(--muted); font-variant-numeric: tabular-nums;
}
.ruler span::before { content: ""; position: absolute; left: 50%; bottom: 100%; width: 1px; height: 12px; margin-bottom: 3px; background: var(--muted); }

button { font: inherit; cursor: pointer; }
.primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; border: 0; border-radius: 999px;
  padding: 16px 28px; background: var(--acc); color: var(--ink); font-weight: 800; font-size: 1.0625rem; letter-spacing: -0.01em;
  box-shadow: 0 10px 24px -14px var(--shadow);
  transition: transform .15s var(--ease), background .2s;
}
.primary .ic { width: 20px; height: 20px; stroke-width: 2.25; }
#go { min-width: min(100%, 280px); }
@media (max-width: 560px) { #go { width: 100%; } }
.primary:hover { background: var(--acc-hover); }
.primary:active { transform: scale(.97); }
.primary:disabled { opacity: .5; cursor: progress; }
.ghost { border: 1.5px solid var(--line); background: none; color: var(--text); border-radius: 999px; padding: 12px 20px; margin-top: 18px; font-weight: 650; }
.ghost:hover { border-color: var(--acc-dim); }

/* the one move: the only loud thing on the page, and it arrives slowly */
.one {
  padding: clamp(24px, 5vw, 40px); border-radius: 24px;
  /* a block of yellow in both themes, everything in it black */
  background: var(--yellow); --text: #000; --muted: #3d3d3d; --acc: #000; --acc-hover: #262626;
  --acc-text: #000; --ink: var(--yellow); --line: rgba(0, 0, 0, .3); --raise-2: rgba(0, 0, 0, .14); --acc-dim: #000;
  color: var(--text); box-shadow: 0 30px 60px -36px rgba(0, 0, 0, .55);
  animation: arrive 1.4s var(--ease) both;
}
.one ::selection { background: #000; color: var(--yellow); }
@keyframes arrive { from { opacity: 0; transform: translateY(14px); filter: blur(6px); } }
.one .label { color: var(--acc-text); font-weight: 700; font-size: 1rem; margin: 0 0 10px; }
.one h3, .one .move { font-size: clamp(2.5rem, 9vw, 4rem); line-height: .95; letter-spacing: -0.04em; margin: 0 0 18px; font-weight: 900; text-wrap: balance; }
.one .route { display: flex; align-items: center; gap: 10px; color: var(--text); font-size: 1.1875rem; font-weight: 650; margin: 0 0 4px; flex-wrap: wrap; }
.one .cost { color: var(--muted); margin: 0 0 28px; font-size: 1.0625rem; font-variant-numeric: tabular-nums; }
.one .route .ic { width: 18px; height: 18px; color: var(--acc-text); }
.one .row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
/* countdown ring: segmented track, fills as the planned seconds run out */
.ring { position: relative; width: 104px; height: 104px; display: grid; place-items: center; flex: none; }
.ring svg { position: absolute; inset: 0; }
.ring circle { fill: none; stroke-width: 6; stroke-dasharray: 2.6 1.4; }
.ring .track { stroke: var(--raise-2); }
.ring .fill {
  stroke: var(--acc);
  mask: conic-gradient(#000 calc(var(--p, 0) * 1%), transparent 0);
}
.ring.over .fill { stroke: var(--muted); }
.one .timer { font: 800 0.9375rem/1.2 "Figtree", sans-serif; font-variant-numeric: tabular-nums; color: var(--muted); text-align: center; max-width: 7ch; }
.one .timer.on { color: var(--text); }
.one .rest { color: var(--muted); margin: 18px 0 0; }
.one.empty h3 { font-size: clamp(1.75rem, 6vw, 2.5rem); }
.one .primary { box-shadow: none; }
/* light: a hairline keeps the yellow block off the white */
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) .one { box-shadow: 0 30px 60px -36px rgba(0, 0, 0, .35), inset 0 0 0 1px rgba(0, 0, 0, .08); } }
:root[data-theme="light"] .one { box-shadow: 0 30px 60px -36px rgba(0, 0, 0, .35), inset 0 0 0 1px rgba(0, 0, 0, .08); }

.calib { color: var(--muted); font-size: 0.9375rem; margin: 14px 0 0; }
.calib b { color: var(--text); font-weight: 600; }

.plan { margin-top: 18px; }
.plan summary { cursor: pointer; color: var(--muted); padding: 6px 0; font-weight: 650; }
.stats { display: inline-flex; flex-wrap: wrap; gap: 4px 14px; margin-left: 10px; font: 500 0.8125rem/1.4 var(--mono); }
.stats b { color: var(--text); font-weight: 600; }
.plan summary:hover { color: var(--text); }
.plan ol { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 8px; }
.plan li {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center;
  padding: 12px 14px; border-radius: 12px; background: var(--raise);
}
.plan li .what { font-weight: 750; }
.plan li .meta { color: var(--muted); font-size: 0.875rem; grid-column: 1; }
.plan li button { grid-row: span 2; grid-column: 2; }
.plan li.done { opacity: .5; }
.mini {
  display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 999px;
  background: none; color: var(--text); padding: 6px 12px; font-size: 0.875rem; font-variant-numeric: tabular-nums;
}
.mini:hover { border-color: var(--acc-dim); }
.mini .ic { width: 16px; height: 16px; }
.mini.on { border-color: var(--acc-text); color: var(--acc-text); }
.mini:disabled { cursor: default; }

.verdict { margin-top: 18px; padding: 28px 24px; border-radius: 20px; background: var(--raise); border: 1.5px solid var(--line); }
.verdict h3 { margin: 0 0 8px; font-size: clamp(1.75rem, 6vw, 2.5rem); font-weight: 900; line-height: 1; letter-spacing: -0.035em; }
.verdict p { margin: 0; color: var(--muted); }

.foot { color: var(--muted); font-size: 0.8125rem; border-top: 1px solid var(--line); padding-top: 24px; margin-top: 12px; }

@media (prefers-reduced-motion: reduce) {
  .one, .skeleton i, .chip { animation: none; }
}

/* online demo only (static.js): sample rooms instead of an upload */
.sample-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
@media (max-width: 560px) { .sample { border-radius: 14px; gap: 8px; padding-bottom: 10px; } .sample span { padding: 0 10px; font-size: .9375rem; } }
.sample {
  display: grid; gap: 10px; padding: 0 0 14px; border: 2px solid var(--line); border-radius: 18px;
  background: var(--raise); color: var(--text); text-align: left; overflow: hidden;
  transition: border-color .2s, transform .3s var(--ease);
}
.sample:hover { border-color: var(--acc-text); transform: translateY(-3px); }
.sample img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; transition: transform .5s var(--ease); }
.sample:hover img { transform: scale(1.04); }
.sample span { padding: 0 14px; font-size: 1.0625rem; font-weight: 750; letter-spacing: -0.01em; }
.hint a, .foot a { color: var(--acc-text); text-decoration-color: var(--acc); text-decoration-thickness: 2px; text-underline-offset: 3px; }

.phone { margin: 14px 0 18px; }
.phone summary { cursor: pointer; color: var(--muted); }
.phone-body { display: flex; gap: 18px; align-items: center; margin-top: 12px; }
.phone-body p { margin: 0; color: var(--muted); }
.qr { flex: none; width: 132px; padding: 8px; background: #fff; border-radius: 10px; }
.qr svg { display: block; width: 100%; height: auto; }
.mono { display: block; margin-top: 8px; font-family: var(--mono); font-size: .8em; word-break: break-all; }
@media (max-width: 520px) { .phone-body { flex-direction: column; align-items: flex-start; } }