/* Animal vision simulator (/animal-vision/simulator). Builds on site.css: same tokens, same .compare and .lens-chips. */

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.sim-hero {
  display: grid;
  gap: 28px;
  padding: 32px 0 0;
  /* An explicit track: an implicit one would size itself to the figure's 27rem and run off a phone. */
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "intro" "tool" "controls";
}
.sim-intro { grid-area: intro; min-width: 0; }
.sim-tool { grid-area: tool; }
.sim-controls { grid-area: controls; min-width: 0; display: grid; gap: 18px; align-content: start; }

.sim-crumbs { margin: 0 0 12px; font: 500 0.8125rem/1.4 var(--mono); letter-spacing: 0.04em; color: var(--muted); }
.sim-crumbs a { color: var(--muted); }
.sim-crumbs a:hover { color: var(--ink); }

.sim-intro h1 { font-size: clamp(2.5rem, 11vw, 4.25rem); font-weight: 800; letter-spacing: -0.045em; }
.sim .lede { font-size: clamp(1.125rem, 4.4vw, 1.3125rem); line-height: 1.5; margin: 18px 0 0; max-width: 34rem; }

@media (min-width: 860px) {
  .sim-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 27rem);
    grid-template-areas: "intro tool" "controls tool";
    grid-template-rows: auto 1fr;
    column-gap: 56px;
    row-gap: 32px;
    padding-top: 48px;
  }
}

/* ---- The picture: the site's compare slider, with canvases for live renders ---- */

.sim-tool .compare-stage { aspect-ratio: 2 / 3; max-height: 82vh; }
.compare-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.compare-stage [hidden] { display: none; }

.sim-status {
  position: absolute; top: 12px; left: 12px; z-index: 4; margin: 0;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px 6px 9px; border-radius: 999px;
  background: rgba(10, 12, 20, 0.66); color: #fff;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  font: 600 0.8125rem/1.3 var(--body);
  pointer-events: none;
}
.sim-status[hidden] { display: none; }
.sim-spinner {
  width: 14px; height: 14px; flex: none; border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.3); border-top-color: #fff;
}
@media (prefers-reduced-motion: no-preference) {
  .sim-spinner { animation: sim-spin 0.8s linear infinite; }
  @keyframes sim-spin { to { transform: rotate(360deg); } }
}

/* A way to your own photo without scrolling past the chips on a phone. */
.sim-stage-upload {
  position: absolute; top: 12px; right: 12px; z-index: 4;
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 36px; padding: 0 13px 0 11px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.92); color: #141a30;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  font: 650 0.8125rem/1 var(--body); cursor: pointer;
  transition: transform 200ms var(--ease);
}
.sim-stage-upload svg { width: 15px; height: 15px; }
.sim-stage-upload:active { transform: scale(0.97); }

.sim-drop {
  position: absolute; inset: 10px; z-index: 5;
  display: grid; place-items: center;
  border: 2px dashed rgba(255, 255, 255, 0.9); border-radius: 20px;
  background: rgba(10, 12, 20, 0.55); color: #fff;
  font: 700 1.125rem/1.2 var(--display);
  pointer-events: none;
}
.sim-drop[hidden] { display: none; }

/* ---- Lens chips: the eight free lenses wrap; the 22 in the app sit in one row you swipe ---- */

.sim-chips { flex-wrap: wrap; }
.sim-chips button { padding: 0 16px; }

.sim-lens-note {
  margin: 12px auto 0; max-width: 26rem; min-height: 2.9em;
  color: var(--muted); font-size: 0.9375rem; line-height: 1.45; text-align: center;
}
.sim-lens-note b { color: var(--ink); }

.sim-locked { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.sim-locked-title {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  margin: 0 0 8px; color: var(--muted); font-size: 0.875rem; font-weight: 600;
}
.lock { width: 13px; height: 13px; flex: none; }

.sim-locked-row {
  list-style: none; margin: 0 -16px; padding: 2px 16px 6px;
  display: flex; gap: 6px; overflow-x: auto;
  overscroll-behavior-x: contain; scrollbar-width: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 16px, #000 calc(100% - 28px), transparent);
  mask-image: linear-gradient(90deg, transparent, #000 16px, #000 calc(100% - 28px), transparent);
}
.sim-locked-row::-webkit-scrollbar { display: none; }
.sim-locked-row li { flex: none; }
.sim-locked-row button {
  min-height: 34px; padding: 0 12px; border-radius: 999px;
  border: 1px dashed var(--line); background: transparent; color: var(--muted);
  font: 600 0.8125rem/1 var(--body); white-space: nowrap; cursor: pointer;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}
.sim-locked-row button::after { content: " · in the app"; font-weight: 400; opacity: 0.8; }
.sim-locked-row button:hover { color: var(--ink); border-color: var(--muted); }
@media (min-width: 860px) {
  .sim-locked-row { flex-wrap: wrap; justify-content: center; margin: 0; padding: 2px 0 0; -webkit-mask-image: none; mask-image: none; }
  .sim-locked-row button::after { content: none; }
}

.sim-locked-note {
  margin: 10px auto 0; max-width: 24rem; text-align: center;
  font-size: 0.875rem; line-height: 1.45; color: var(--ink);
}
.sim-locked-note[hidden] { display: none; }

/* ---- Controls: upload, samples, privacy, honesty ---- */

.sim-upload {
  display: grid; justify-items: start; gap: 8px;
  padding: 18px 18px 16px; border-radius: 22px;
  border: 1.5px dashed var(--line); background: var(--surface);
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}
.sim-upload.is-over { border-color: var(--link); background: var(--paper-2); }
.sim-upload-button {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 48px; padding: 0 20px; border-radius: 999px;
  background: var(--ink); color: var(--paper);
  font: 650 1rem/1 var(--body); cursor: pointer;
  transition: transform 200ms var(--ease), filter 200ms var(--ease);
}
.sim-upload-button svg { width: 18px; height: 18px; }
.sim-upload-button:hover { filter: brightness(1.15); }
.sim-upload-button:active { transform: scale(0.98); }
.sim-upload input:focus-visible + .sim-upload-hint,
.sim-upload:focus-within .sim-upload-button { outline: 3px solid var(--focus); outline-offset: 3px; }
.sim-upload-hint { margin: 0; color: var(--muted); font-size: 0.9375rem; line-height: 1.4; }

.sim-samples { display: flex; gap: 10px; flex-wrap: wrap; }
.sim-samples button {
  display: grid; justify-items: center; gap: 6px;
  padding: 6px 6px 8px; border-radius: 16px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  font: 600 0.8125rem/1.2 var(--body); cursor: pointer;
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}
.sim-samples button:active { transform: scale(0.97); }
.sim-samples img { width: 80px; height: 120px; border-radius: 11px; object-fit: cover; background: var(--paper-2); }
.sim-samples button[aria-pressed="true"] { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }

.sim-private {
  display: flex; gap: 10px; align-items: flex-start; margin: 0;
  color: var(--muted); font-size: 0.9375rem; line-height: 1.45;
}
.sim-private .lock { margin-top: 0.3em; color: var(--ink); }
.sim-private b { color: var(--ink); }

.honesty { margin: 0; color: var(--muted); font-size: 0.9375rem; line-height: 1.5; }
.honesty-tag {
  display: inline-block; margin-right: 6px; padding: 2px 9px; border-radius: 999px;
  background: var(--glow-sun); color: var(--ink); border: 1px solid rgba(241, 216, 62, 0.65);
  font: 600 0.75rem/1.5 var(--mono); letter-spacing: 0.04em; text-transform: uppercase;
  vertical-align: 1px;
}

.sim-save { margin: 0; }
.sim-save-button {
  min-height: 40px; padding: 0 16px; border-radius: 999px;
  border: 1px solid var(--line); background: transparent; color: var(--ink);
  font: 600 0.9375rem/1 var(--body); cursor: pointer;
}
.sim-save-button:hover { border-color: var(--ink); }
.sim-save-button:disabled { opacity: 0.45; cursor: default; }

.sim-error {
  margin: 0; padding: 12px 14px; border-radius: 14px;
  background: var(--paper-2); color: var(--ink); font-size: 0.9375rem; line-height: 1.45;
  border-left: 3px solid #d64545;
}
.sim-error[hidden] { display: none; }

/* ---- Below the tool ---- */

.sim-cta {
  margin-top: 64px; padding: 26px 24px;
  display: grid; gap: 18px; align-items: center;
  border: 1px solid var(--line); border-radius: 28px; background: var(--surface); box-shadow: var(--shadow);
}
.sim-cta h2 { font-size: clamp(1.5rem, 5.5vw, 2rem); font-weight: 700; letter-spacing: -0.03em; }
.sim-cta p { margin: 10px 0 0; color: var(--muted); max-width: 34rem; }
.sim-cta .get { margin: 0; }
@media (min-width: 860px) {
  .sim-cta { grid-template-columns: 1fr auto; padding: 32px 36px; }
}

.sim-article { max-width: 44rem; margin-top: 24px; }
.sim-article h2 { font-size: clamp(1.375rem, 5vw, 1.75rem); font-weight: 700; letter-spacing: -0.025em; margin: 44px 0 10px; }
.sim-article p { margin: 0 0 14px; }
.sim-article .sim-sources-title { font-size: 1.125rem; letter-spacing: -0.01em; }
.sim-sources { margin: 0; padding-left: 1.25rem; color: var(--muted); font-size: 0.9375rem; line-height: 1.5; }
.sim-sources li + li { margin-top: 6px; }

/* site.css gives every img display: block, which beats the hidden attribute. */
.sim [hidden] { display: none !important; }
.compare-stage img.is-pending { filter: grayscale(0.35) brightness(0.5); }