/* Scope the six-surface craft to this one dogfood day. */
body[data-day="how-black-lights-work"] .daily-nav {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0;
}
body[data-day="how-black-lights-work"] .daily-nav a {
  padding: 16px 8px;
  text-align: center;
}
.bl-title-note {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: #70654d;
  margin-top: 20px;
}
.bl-title-plate {
  margin: 0 0 24px;
  border-radius: 5px;
  overflow: hidden;
}
.bl-title-plate img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 460px;
  object-fit: cover;
}
.bl-visual-notes {
  margin: 32px 0;
  padding: 24px 0;
  border-top: 1px solid #d9d1c1;
}
.bl-visual-notes summary,
.bl-art-context summary {
  min-height: 48px;
  padding: 12px 0;
  cursor: pointer;
}
.bl-panel {
  max-width: 1120px;
  margin-inline: auto;
}
.bl-dogfood {
  font:
    600 10px Inter,
    sans-serif;
  letter-spacing: 0.12em;
  border: 1px solid #aa9877;
  border-radius: 3px;
  padding: 5px 8px;
  margin-left: 12px;
  vertical-align: middle;
}
.bl-stage-copy {
  max-width: 700px;
  margin: 24px 0;
}
.bl-stage-copy h3 {
  font:
    400 clamp(26px, 3.5vw, 42px) / 1.12 Newsreader,
    serif;
  margin: 8px 0;
}
.bl-bench {
  border: 1px solid #5d503b;
  background: #151b21;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 18px 45px #31231518;
}
.bl-apparatus {
  position: relative;
  isolation: isolate;
  background: radial-gradient(ellipse at 48% 58%, #353736, #111820 72%);
}
.bl-panel:not([hidden]) .bl-apparatus {
  background-image:
    linear-gradient(#1017225c, #10172218),
    url("./assets/black-light-diorama/clean.jpg");
  background-size: cover;
  background-position: center;
}
.bl-drawing {
  display: block;
  width: 100%;
  height: auto;
  min-height: 260px;
}
.bl-pointer {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5eddb;
  color: #342f26;
  border: 1px solid #c7b896;
  border-radius: 5px;
  font:
    600 clamp(11px, 1.5vw, 15px) / 1.25 Inter,
    sans-serif;
  padding: 10px 12px;
  min-height: 48px;
  max-width: 29%;
  text-align: center;
  box-shadow: 0 4px 14px #080c1429;
}
.bl-pointer::after {
  content: "";
  position: absolute;
  width: 1px;
  height: 27px;
  background: #e8d8b8;
  top: 100%;
  left: 50%;
}
.bl-pointer-lamp {
  left: 9%;
  top: 7%;
}
.bl-pointer-coating {
  right: 7%;
  top: 10%;
}
.bl-pointer-star {
  left: 38%;
  top: 32%;
}
.bl-pointer-star::after {
  height: 35px;
}
.bl-pointer-coating::after {
  height: 44px;
}
.bl-pointer[data-bl] {
  border: 1px dashed #80663b;
  cursor: pointer;
}
.bl-pointer[data-bl]:hover {
  background: #fff9e9;
  box-shadow: 0 0 0 3px #c7ac7066;
}
.bl-comparison-label {
  position: absolute;
  left: 70%;
  bottom: 5%;
  color: #f6ead2;
  font-size: 12px;
}
.bl-green-halo,
.bl-visible-rays,
.bl-uv-path {
  opacity: 0;
}
[data-lit="true"] .bl-green-halo,
[data-lit="true"] .bl-visible-rays,
[data-lit="true"] .bl-uv-path {
  opacity: 1;
}
[data-lit="true"] .bl-lamp-face {
  fill: #655889;
}
[data-lit="true"] .bl-star,
[data-lit="true"] .bl-coating {
  fill: #c6f592;
  filter: drop-shadow(0 0 10px #abf27c80);
}
[data-motion="once"] .bl-uv-path {
  animation: bl-arrive 1s ease both;
}
[data-motion="once"] .bl-star,
[data-motion="once"] .bl-coating {
  animation: bl-reglow 2.4s ease both;
}
[data-motion="once"] .bl-visible-rays,
[data-motion="once"] .bl-green-halo {
  animation: bl-arrive 1.1s 0.8s ease both;
}
@keyframes bl-arrive {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes bl-reglow {
  0%,
  22% {
    fill: #c3b694;
    filter: none;
  }
  65%,
  100% {
    fill: #c6f592;
    filter: drop-shadow(0 0 10px #abf27c80);
  }
}
.bl-control-base {
  padding: 24px 32px 30px;
  border-top: 1px solid #9a7852;
  background: linear-gradient(105deg, #483529, #2e251f 60%, #47372a);
  color: #fbf2df;
  min-height: 166px;
}
.bl-control-base > p {
  margin: 0 0 16px;
  font-size: 16px;
}
.bl-control-base button {
  font:
    600 14px/1.35 Inter,
    sans-serif;
  cursor: pointer;
  min-height: 48px;
  border-radius: 6px;
  padding: 14px 18px;
  border: 1px solid #c6b595;
}
.bl-primary,
.bl-activate {
  background: linear-gradient(#f8efd8, #d9c6a0);
  color: #352b1d;
  box-shadow: 0 3px 0 #957851;
}
.bl-secondary {
  color: #fbf2df;
  background: transparent;
  margin-left: 12px;
}
.bl-activate {
  min-height: 78px !important;
  width: 100%;
  max-width: 430px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}
.bl-switch {
  width: 24px;
  height: 34px;
  border-radius: 5px;
  background: linear-gradient(#fff8e9 52%, #c1af88 53%);
  border: 1px solid #8f7f62;
  box-shadow: 0 2px 4px #352d2960;
}
.bl-tray {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.bl-tray button {
  background: #ede2c9;
  color: #382d21;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
}
.bl-tray button[aria-pressed="true"] {
  outline: 3px solid #cfc7ef;
  outline-offset: 2px;
}
.bl-tray button:disabled {
  background: #322922;
  color: #d8cbae;
  border-color: #776349;
  cursor: default;
}
.bl-piece-icon {
  width: 25px;
  height: 25px;
  flex: 0 0 auto;
  background: #776955;
  display: block;
}
.bl-icon-lamp {
  border-radius: 3px 3px 12px 12px;
  background: #454651;
  border-bottom: 5px solid #9c8fb6;
}
.bl-icon-coating {
  border-radius: 50%;
  border: 4px dotted #ebe2c5;
}
.bl-icon-star {
  clip-path: polygon(
    50% 0,
    62% 34%,
    100% 38%,
    71% 61%,
    81% 100%,
    50% 77%,
    19% 100%,
    29% 61%,
    0 38%,
    38% 34%
  );
}
.bl-model-note {
  font-size: 12px;
  line-height: 1.6;
  max-width: 730px;
  color: #625b4d;
  margin: 16px 0;
}
.bl-status {
  min-height: 48px;
  font-size: 14px;
  max-width: 760px;
}
.bl-external {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin: 12px 0 30px;
  align-items: center;
}
.bl-external .text-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
}
.bl-explain,
.bl-talk {
  background: #eee8dc;
  border-left: 2px solid #a28957;
  padding: 24px;
  margin: 24px 0;
  max-width: 800px;
}
.bl-explain h3,
.bl-talk h3 {
  font:
    400 30px/1.15 Newsreader,
    serif;
  margin: 0 0 16px;
}
.bl-talk li {
  margin-bottom: 14px;
}
.bl-path {
  display: flex;
  gap: 28px;
  font-size: 15px;
  line-height: 1.5;
  padding-left: 24px;
}
.bl-path li {
  flex: 1;
  padding-right: 12px;
}
.bl-art-context {
  max-width: 640px;
  border-top: 1px solid #d9d1c1;
}
.bl-art-context img {
  width: 100%;
  height: auto;
  border-radius: 5px;
}
.bl-art-context p {
  font-size: 13px;
}
.bl-quiz {
  max-width: 760px;
}
.bl-quiz fieldset {
  border: 0;
  border-top: 1px solid #d9d1c1;
  padding: 26px 0;
  margin: 0;
}
.bl-quiz legend {
  font:
    400 26px/1.2 Newsreader,
    serif;
  float: left;
  width: 100%;
  margin: 0 0 16px;
}
.bl-quiz label {
  clear: both;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 10px 14px;
  margin: 8px 0;
  border: 1px solid #cfc4ae;
  border-radius: 5px;
  cursor: pointer;
}
.bl-quiz input {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  accent-color: #685737;
}
.bl-quiz label:has(input:checked) {
  background: #ede4ce;
  border-color: #87704b;
}
.bl-quiz details {
  border-top: 1px solid #d9d1c1;
  padding-top: 20px;
}
.bl-quiz summary {
  padding: 12px 0;
  min-height: 48px;
  cursor: pointer;
}
.bl-quiz dd {
  margin: 0 0 16px;
}
.bl-foldable {
  max-width: 760px;
}
.bl-foldable .primary-button {
  margin: 16px 0;
}
.bl-foldable ol {
  line-height: 1.8;
}
body[data-day="how-black-lights-work"] .growth-table {
  font-size: clamp(11px, 1.25vw, 14px);
  table-layout: fixed;
}
body[data-day="how-black-lights-work"] .growth-table th,
body[data-day="how-black-lights-work"] .growth-table td {
  padding: 9px 2px;
  overflow-wrap: anywhere;
}
@media (max-width: 650px) {
  body[data-day="how-black-lights-work"] .daily-nav {
    grid-template-columns: repeat(4, 1fr);
    row-gap: 0;
  }
  body[data-day="how-black-lights-work"] .daily-nav a {
    padding: 11px 5px;
    font-size: 13px;
    min-height: 44px;
  }
  body[data-day="how-black-lights-work"].reader-open .daily-nav {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }
  body[data-day="how-black-lights-work"].reader-open .daily-nav a {
    font-size: 10px;
    padding: 12px 1px;
  }
  .bl-control-base {
    padding: 20px 16px;
    min-height: 150px;
  }
  .bl-pointer {
    font-size: 10px;
    padding: 6px 7px;
    min-height: 44px;
    max-width: 30%;
  }
  .bl-pointer::after {
    height: 14px;
  }
  .bl-pointer-lamp {
    left: 5%;
    top: 4%;
  }
  .bl-pointer-coating {
    right: 3%;
    top: 8%;
  }
  .bl-pointer-star {
    left: 36%;
    top: 28%;
  }
  .bl-pointer-coating::after {
    height: 30px;
  }
  .bl-drawing {
    min-height: 270px;
  }
  .bl-comparison-label {
    font-size: 10px;
    bottom: 12%;
    left: 73%;
  }
  .bl-tray {
    gap: 7px;
  }
  .bl-tray button {
    padding: 12px 5px;
    font-size: 11px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: center;
    min-height: 92px;
  }
  .bl-secondary {
    margin: 12px 0 0;
  }
  .bl-notice > div {
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }
  .bl-path {
    display: block;
    margin: 0;
    font-size: 14px;
  }
  .bl-path li {
    margin-bottom: 8px;
  }
  .bl-stage-copy h3 {
    font-size: 28px;
  }
  .bl-external {
    gap: 12px;
  }
  .bl-model-note {
    font-size: 11px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .bl-panel *,
  .bl-panel *::before,
  .bl-panel *::after {
    animation: none !important;
    transition: none !important;
  }
}
@media print {
  .bl-panel,
  .bl-quiz,
  .bl-foldable {
    break-before: page;
  }
  .bl-external,
  .bl-art-context,
  .bl-control-base button {
    display: none !important;
  }
  .bl-bench {
    box-shadow: none;
  }
  .bl-drawing {
    max-height: 350px;
  }
}

/* Leaders align with the lamp, coating lens and star in SVG coordinates. */
.bl-pointer-lamp {
  left: 29%;
  top: 3%;
  transform: translateX(-50%);
}
.bl-pointer-coating {
  left: 73%;
  right: auto;
  top: 14%;
  transform: translateX(-50%);
}
.bl-pointer-star {
  left: 48%;
  top: 33%;
  transform: translateX(-50%);
}
.bl-pointer-lamp::after {
  height: 42px;
}
.bl-pointer-star::after {
  height: 60px;
}
@media (max-width: 650px) {
  .bl-pointer-lamp {
    top: 4%;
  }
  .bl-pointer-coating {
    top: 10%;
  }
  .bl-pointer-star {
    top: 31%;
  }
  .bl-pointer-lamp::after {
    height: 25px;
  }
  .bl-pointer-star::after {
    height: 24px;
  }
  .bl-pointer-coating::after {
    height: 22px;
  }
}
@media (min-width: 651px) and (max-width: 1000px) {
  body[data-day="how-black-lights-work"] .family-reader .curiosity-plate {
    max-width: 540px;
  }
}