/* ==========================================================================
   Filter Generator (and Pixelated Kisses before it)
   The apps' own red on CustomTkinter charcoal, set into the portfolio.
   ========================================================================== */

.theme-filter {
  --accent: #f73930;
  --accent-2: #ff8178;
  --app-red: #f73930;
  --app-red-hi: #c42d26;
  --app-ink: #121212;
  --app-win: #242424;
  --app-side: #2b2b2b;
  --app-seg: #4a4a4a;
  --app-track: #4a4d50;
  --app-fill: #aab0b5;
  --app-text: #dce4ee;
  --app-gray: #9b9b9b;
  --app-font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ── Hero: the app's window, rebuilt in HTML ─────────────────────────────── */

.fg-hero {
  padding-bottom: 26px;
  margin-bottom: 40px;
}

.fg-app {
  container-type: inline-size;
  box-shadow:
    0 0 0 0.5px rgba(0, 0, 0, 0.8),
    0 50px 120px -40px rgba(0, 0, 0, 0.9),
    0 0 140px -36px rgba(247, 57, 48, 0.32);
}

/* Everything inside is measured in the app's own pixels: 1100 across. */
.fg-app__body {
  --u: calc(100cqi / 1100);
  display: grid;
  grid-template-columns: calc(var(--u) * 280) minmax(0, 1fr);
  aspect-ratio: 1100 / 760;
  background: var(--app-win);
  font-family: var(--app-font);
  font-size: calc(var(--u) * 13);
  line-height: 1.25;
  letter-spacing: 0;
  color: var(--app-text);
  user-select: none;
}

.fg-app__side {
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: calc(var(--u) * 30) calc(var(--u) * 20) calc(var(--u) * 20);
  background: var(--app-side);
}

.fg-app__logo {
  text-align: center;
  font-size: calc(var(--u) * 24);
  font-weight: 700;
  line-height: 1.2;
  color: var(--app-red);
}

.fg-app__hint {
  margin-top: calc(var(--u) * 16);
  text-align: center;
  font-size: calc(var(--u) * 11);
  font-style: italic;
  color: var(--app-gray);
}

.fg-app__btn {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: calc(var(--u) * 140);
  height: calc(var(--u) * 28);
  margin: calc(var(--u) * 14) auto 0;
  border-radius: calc(var(--u) * 6);
  font-weight: 600;
  color: #fff;
  background: var(--app-red);
}

.fg-app__btn--go {
  margin-top: calc(var(--u) * 16);
}

.fg-app__btn--ghost {
  margin-top: calc(var(--u) * 8);
  color: var(--app-gray);
  background: transparent;
  box-shadow: inset 0 0 0 max(1px, calc(var(--u) * 1)) #808080;
}

.fg-app__spacer {
  flex: 1;
}

.fg-app__cap {
  margin-top: calc(var(--u) * 22);
  font-size: calc(var(--u) * 12);
  font-weight: 700;
  color: var(--app-gray);
}

.fg-app__sl {
  margin-top: calc(var(--u) * 8);
}

.fg-app__sl span {
  display: block;
}

.fg-app__sl i {
  position: relative;
  display: block;
  width: calc(var(--u) * 200);
  height: calc(var(--u) * 16);
  margin: calc(var(--u) * 2) auto 0;
}

.fg-app__sl i::before,
.fg-app__sl i::after {
  content: "";
  position: absolute;
  top: 50%;
}

.fg-app__sl i::before {
  left: 0;
  right: 0;
  height: calc(var(--u) * 4);
  border-radius: 99px;
  transform: translateY(-50%);
  background: linear-gradient(90deg, var(--app-fill) calc(var(--v) * 100%), var(--app-track) 0);
}

.fg-app__sl i::after {
  left: calc(var(--v) * 100%);
  width: calc(var(--u) * 16);
  height: calc(var(--u) * 16);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: var(--app-red);
}

.fg-app__main {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-width: 0;
  min-height: 0;
  margin: calc(var(--u) * 20);
  padding: calc(var(--u) * 15) calc(var(--u) * 20);
  border-radius: calc(var(--u) * 15);
  background: var(--app-ink);
}

.fg-app__seg {
  justify-self: center;
  display: flex;
  padding: calc(var(--u) * 2);
  border-radius: calc(var(--u) * 6);
  background: var(--app-seg);
}

.fg-app__seg span {
  display: grid;
  place-items: center;
  height: calc(var(--u) * 24);
  padding: 0 calc(var(--u) * 14);
  border-radius: calc(var(--u) * 5);
}

.fg-app__seg .is-on {
  color: #fff;
  background: var(--app-red);
}

.fg-app__pic {
  position: relative;
  min-height: 0;
}

.fg-app__pic img {
  position: absolute;
  inset: calc(var(--u) * 12) 0;
  width: 100%;
  height: calc(100% - var(--u) * 24);
  object-fit: contain;
}

.fg-app__nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.fg-app__nav span {
  display: grid;
  place-items: center;
  width: calc(var(--u) * 70);
  height: calc(var(--u) * 28);
  border-radius: calc(var(--u) * 6);
  background: #333;
}

.fg-app__nav em {
  font-style: normal;
  color: var(--app-gray);
}

/* The earlier app, pinned to the corner like a print. */
.fg-pk {
  position: absolute;
  left: -6%;
  bottom: -9%;
  z-index: 2;
  width: 30%;
  margin: 0;
  overflow: hidden;
  border-radius: 10px;
  background: #1a1a1a;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 30px 60px -18px rgba(0, 0, 0, 0.85), 0 0 60px -20px rgba(247, 57, 48, 0.35);
  transform: rotate(-5deg);
}

.fg-pk img {
  width: 100%;
}

.fg-pk figcaption {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 4px 8px;
  padding: 8px 10px 9px;
}

.fg-pk b {
  font-family: var(--app-font);
  font-size: 10.5px;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: 0;
  color: var(--app-red);
}

.fg-pk span {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--app-gray);
  white-space: nowrap;
}

.fg-chip {
  position: absolute;
  right: 5%;
  bottom: 0;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 16px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
  color: var(--fg-2);
  background: rgba(18, 18, 18, 0.86);
  border: 1px solid rgba(247, 57, 48, 0.34);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 14px 40px -12px rgba(0, 0, 0, 0.7);
}

.fg-chip .i {
  color: var(--app-red);
}

.fg-chip b {
  font-weight: 500;
  color: var(--accent-2);
}

@media (max-width: 900px) {
  .fg-hero {
    margin-top: 12px;
  }

  .fg-pk {
    left: -1%;
  }
}

@media (max-width: 560px) {
  .fg-hero {
    padding-bottom: 58px;
    margin-bottom: 8px;
  }

  .fg-pk {
    left: 1%;
    bottom: 46px;
    width: 36%;
  }

  .fg-pk figcaption {
    padding: 6px 8px 7px;
  }

  .fg-pk b {
    font-size: 9px;
  }

  .fg-chip {
    right: auto;
    left: 50%;
    bottom: 0;
    height: 32px;
    padding: 0 12px;
    font-size: 11px;
    transform: translateX(-50%);
  }
}

/* ── The live filter ─────────────────────────────────────────────────────── */

.fg-demo {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  grid-template-areas:
    "top   top"
    "stage side"
    "bar   side"
    "pipe  pipe";
  gap: 14px 16px;
  padding: 16px;
  border-radius: var(--r-l);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent 40%),
    #1c1c1e;
  border: 1px solid var(--line);
  box-shadow: 0 40px 100px -50px rgba(0, 0, 0, 0.9);
  transition: border-color 0.3s;
}

.fg-demo.is-drop {
  border-color: rgba(247, 57, 48, 0.6);
}

.fg-demo__top {
  grid-area: top;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
  min-width: 0;
}

/* Which app: quiet tabs. */
.fg-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-width: 0;
}

.fg-tabs button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 550;
  color: var(--fg-2);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  transition: color 0.25s, background-color 0.25s, border-color 0.25s;
}

.fg-tabs button span {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--fg-3);
}

.fg-tabs button:hover {
  color: var(--fg);
}

.fg-tabs button[aria-pressed="true"] {
  color: var(--fg);
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--line-2);
}

.fg-tabs button[aria-pressed="true"] span {
  color: var(--accent-2);
}

/* Before | After: the app's own segmented control. */
.fg-seg {
  display: inline-flex;
  padding: 3px;
  border-radius: 10px;
  background: #3a3a3c;
}

.fg-seg button {
  min-width: 76px;
  height: 30px;
  padding: 0 14px;
  border-radius: 7px;
  font-size: 13.5px;
  font-weight: 550;
  color: var(--app-text);
  transition: background-color 0.2s, color 0.2s;
}

.fg-seg button:hover {
  background: rgba(255, 255, 255, 0.06);
}

.fg-seg button[aria-pressed="true"] {
  color: #fff;
  background: var(--app-red);
}

.fg-seg button[aria-pressed="true"]:hover {
  background: var(--app-red-hi);
}

/* The photo. */
.fg-demo__stage {
  grid-area: stage;
  position: relative;
  aspect-ratio: 3 / 2;
  min-width: 0;
  overflow: hidden;
  border-radius: 14px;
  background: var(--app-ink);
}

.fg-demo__stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  cursor: crosshair;
  touch-action: pan-y;
  border-radius: inherit;
}

.fg-demo__stage canvas:focus-visible {
  outline: 2px solid var(--app-red);
  outline-offset: -2px;
}

.fg-probe {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.fg-probe::before,
.fg-probe::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.fg-probe::before {
  width: 22px;
  height: 22px;
  border: 1.5px solid #fff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.55), inset 0 0 0 1px rgba(0, 0, 0, 0.55);
}

.fg-probe::after {
  width: 3px;
  height: 3px;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.6);
}

.fg-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  max-width: calc(100% - 20px);
  padding: 5px 10px;
  border-radius: 999px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--app-text);
  background: rgba(18, 18, 18, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.1);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  pointer-events: none;
}

.fg-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  text-align: center;
  font-size: 15px;
  color: var(--app-gray);
  background: rgba(18, 18, 18, 0.55);
  pointer-events: none;
}

.fg-loading[hidden] {
  display: none;
}

/* Under the photo: which photo, how long it took, save. */
.fg-demo__bar {
  grid-area: bar;
  align-self: start;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
  min-width: 0;
}

.fg-photos {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.fg-photos button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 32px;
  padding: 0 13px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--fg-2);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  transition: color 0.25s, background-color 0.25s, border-color 0.25s;
}

.fg-photos button:hover {
  color: var(--fg);
}

.fg-photos button[aria-pressed="true"] {
  color: var(--fg);
  border-color: rgba(247, 57, 48, 0.55);
  background: rgba(247, 57, 48, 0.1);
}

.fg-photos .i {
  font-size: 14px;
}

.fg-demo__meta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.fg-stat {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--fg-3);
  font-variant-numeric: tabular-nums;
}

.fg-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 4px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-2);
  transition: color 0.2s;
}

.fg-link:hover {
  color: var(--fg);
}

.fg-link .i {
  font-size: 14px;
}

/* The sidebar, as in the app. */
.fg-demo__side {
  grid-area: side;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 20px 20px 16px;
  border-radius: 18px;
  background: var(--app-side);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.fg-side__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.fg-logo {
  font-family: var(--app-font);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.005em;
  text-transform: uppercase;
  color: var(--app-red);
}

.fg-cap {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
}

.fg-sliders {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.fg-slider__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.fg-slider label {
  font-size: 13.5px;
  color: var(--app-text);
}

.fg-slider output {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  color: var(--fg-2);
}

.fg-range {
  --p: 50%;
  display: block;
  width: 100%;
  height: 26px;
  margin: 0;
  background: transparent;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.fg-range:focus-visible {
  outline-offset: 0;
}

.fg-range::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--app-fill) var(--p), var(--app-track) var(--p));
}

.fg-range::-webkit-slider-thumb {
  width: 16px;
  height: 16px;
  margin-top: -6px;
  border: 0;
  border-radius: 50%;
  background: var(--app-red);
  box-shadow: 0 0 0 0 rgba(247, 57, 48, 0);
  transition: box-shadow 0.2s, background-color 0.2s;
  -webkit-appearance: none;
  appearance: none;
}

.fg-range:hover::-webkit-slider-thumb {
  background: var(--app-red-hi);
}

.fg-range:focus-visible::-webkit-slider-thumb,
.fg-range:active::-webkit-slider-thumb {
  box-shadow: 0 0 0 5px rgba(247, 57, 48, 0.28);
}

.fg-range::-moz-range-track {
  height: 4px;
  border-radius: 4px;
  background: var(--app-track);
}

.fg-range::-moz-range-progress {
  height: 4px;
  border-radius: 4px;
  background: var(--app-fill);
}

.fg-range::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border: 0;
  border-radius: 50%;
  background: var(--app-red);
}

@media (pointer: coarse) {
  .fg-range {
    height: 34px;
  }

  .fg-range::-webkit-slider-thumb {
    width: 22px;
    height: 22px;
    margin-top: -9px;
  }

  .fg-range::-moz-range-thumb {
    width: 22px;
    height: 22px;
  }
}

.fg-side__note {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--fg-3);
}

.fg-side__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 4px 12px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.fg-side__order {
  font-size: 11.5px;
  line-height: 1.4;
  color: var(--fg-3);
}

.fg-demo[data-mode-now="pk"] .fg-side__order {
  display: none;
}

/* The pipeline: one pixel, step by step. */
.fg-demo__pipe {
  grid-area: pipe;
  min-width: 0;
  padding: 16px 16px 14px;
  border-radius: 18px;
  background: #161617;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.fg-pipe__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
}

.fg-pipe__head .fg-cap {
  margin-top: 0;
}

.fg-pipe__px {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-3);
}

.fg-pipe__px b {
  margin-left: 6px;
  font-weight: 500;
  color: var(--fg);
}

.fg-pipe {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.fg-pipe--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.fg-pipe li {
  position: relative;
  min-width: 0;
}

/* A hairline arrow from each step to the next. */
.fg-pipe li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -7px;
  width: 6px;
  height: 1px;
  background: rgba(255, 255, 255, 0.16);
}

.fg-step {
  display: grid;
  align-content: start;
  gap: 6px;
  width: 100%;
  height: 100%;
  padding: 10px 10px 11px;
  border-radius: 12px;
  text-align: left;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: border-color 0.2s, background-color 0.2s, opacity 0.2s;
}

.fg-step:hover {
  border-color: rgba(255, 255, 255, 0.16);
}

.fg-step__n {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--fg-4);
  transition: color 0.2s;
}

.fg-step__name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.fg-step__sw {
  height: 22px;
  border-radius: 6px;
  background: #2a2a2c;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.fg-step__rgb {
  overflow: hidden;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: var(--fg-3);
}

.fg-step__rgb b {
  font-weight: 500;
  color: var(--fg);
}

.fg-step__rgb b.is-same {
  color: var(--fg-3);
}

.fg-step__skip {
  font-style: italic;
  color: var(--fg-4);
}

.fg-step.is-off .fg-step__name,
.fg-step.is-off .fg-step__sw {
  opacity: 0.4;
}

/* The step a slider is moving right now. */
.fg-step.is-active {
  border-color: rgba(247, 57, 48, 0.45);
  box-shadow: inset 0 2px 0 var(--app-red);
}

.fg-step.is-active .fg-step__n {
  color: var(--app-red);
}

/* The step the photo is showing. */
.fg-step[aria-pressed="true"] {
  background: rgba(247, 57, 48, 0.09);
  border-color: rgba(247, 57, 48, 0.7);
}

.fg-step[aria-pressed="true"] .fg-step__n {
  color: var(--accent-2);
}

.fg-math {
  min-height: 3.2em;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--fg-2);
}

.fg-math__n {
  color: var(--accent-2);
}

.fg-hint {
  margin-top: 6px;
  font-size: 12px;
  color: var(--fg-3);
}

@media (hover: none) {
  .fg-step:hover {
    border-color: rgba(255, 255, 255, 0.06);
  }
}

@media (max-width: 1100px) {
  .fg-pipe:not(.fg-pipe--4) {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .fg-pipe li:nth-child(5)::after {
    display: none;
  }
}

@media (max-width: 1100px) {
  .fg-demo {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "top"
      "stage"
      "bar"
      "side"
      "pipe";
  }

  .fg-sliders[data-group="fg"] {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
  }

  .fg-side__foot {
    margin-top: 14px;
  }
}

@media (max-width: 620px) {
  .fg-demo {
    gap: 12px;
    padding: 10px;
    border-radius: 22px;
  }

  .fg-demo__stage {
    border-radius: 12px;
  }

  /* Two up, so the photo and all seven sliders fit on one phone screen. */
  .fg-sliders[data-group="fg"] {
    column-gap: 18px;
  }

  .fg-slider label {
    font-size: 13px;
  }

  .fg-logo {
    font-size: 16px;
  }

  .fg-cap {
    margin-top: 12px;
  }

  .fg-demo__side,
  .fg-demo__pipe {
    padding: 16px 14px 14px;
    border-radius: 16px;
  }

  .fg-pipe:not(.fg-pipe--4) {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .fg-pipe--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fg-pipe li::after {
    display: none;
  }

  .fg-demo__top {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .fg-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fg-tabs button {
    justify-content: center;
    height: 36px;
    padding: 0 8px;
    font-size: 13px;
  }

  .fg-tabs button span {
    display: none;
  }

  .fg-seg {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fg-step__name {
    overflow: visible;
    white-space: normal;
    font-size: 12.5px;
    line-height: 1.25;
  }
}

@media (prefers-reduced-motion: reduce) {
  .fg-step,
  .fg-seg button,
  .fg-tabs button,
  .fg-photos button {
    transition: none;
  }
}

@media (max-width: 359px) {
  .fg-sliders[data-group="fg"] {
    grid-template-columns: minmax(0, 1fr);
  }
}