:root {
  --ink: #171713;
  --paper: #f2eddf;
  --paper-deep: #e5ddc9;
  --signal: #ff4d1c;
  --acid: #d8ff3f;
  --blue: #2457ff;
  --muted: #716b60;
  --line: rgba(23, 23, 19, 0.22);
  --display: "Bodoni 72", Didot, "Iowan Old Style", Georgia, serif;
  --body: "Avenir Next", Futura, "Century Gothic", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  line-height: 1.45;
}

button,
input,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.paper-noise {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  opacity: 0.25;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.16'/%3E%3C/svg%3E");
}

.masthead {
  position: relative;
  display: grid;
  grid-template-columns: minmax(82px, 0.4fr) minmax(0, 2.4fr) minmax(180px, 0.75fr);
  min-height: 540px;
  padding: clamp(24px, 4vw, 64px);
  overflow: hidden;
  border-bottom: 2px solid var(--ink);
  background:
    linear-gradient(115deg, transparent 62%, rgba(216, 255, 63, 0.78) 62%),
    repeating-linear-gradient(90deg, transparent 0 12.45%, var(--line) 12.5% 12.55%),
    var(--paper);
}

.masthead::after {
  content: "1650";
  position: absolute;
  right: -0.035em;
  bottom: -0.29em;
  font: 900 clamp(11rem, 30vw, 34rem) / 1 var(--display);
  letter-spacing: -0.1em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(23, 23, 19, 0.24);
  pointer-events: none;
}

.edition-mark {
  align-self: start;
  display: inline-grid;
  width: 74px;
  border: 2px solid var(--ink);
  transform: rotate(-4deg);
  text-align: center;
  background: var(--signal);
  color: white;
}

.edition-mark span,
.edition-mark small {
  padding: 6px 5px;
  font-size: 0.62rem;
  letter-spacing: 0.16em;
}

.edition-mark strong {
  padding: 5px;
  border-top: 2px solid var(--ink);
  font: 700 1.1rem/1 var(--display);
}

.masthead-copy {
  position: relative;
  z-index: 1;
  align-self: center;
  max-width: 940px;
}

.eyebrow,
.section-index {
  margin: 0 0 16px;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.masthead h1 {
  max-width: 900px;
  margin: 0;
  font: 900 clamp(4.2rem, 10vw, 10rem) / 0.72 var(--display);
  letter-spacing: -0.075em;
}

.masthead h1 em {
  display: inline-block;
  margin-left: 0.58em;
  color: var(--blue);
  font-weight: 400;
}

.lede {
  max-width: 620px;
  margin: 52px 0 0 16%;
  padding-left: 20px;
  border-left: 6px solid var(--signal);
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  font-weight: 600;
}

.issue-note {
  position: relative;
  z-index: 2;
  align-self: end;
  justify-self: end;
  display: grid;
  gap: 4px;
  padding: 18px;
  border: 2px solid var(--ink);
  box-shadow: 8px 8px 0 var(--ink);
  background: var(--acid);
}

.issue-note span,
.issue-note small {
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.issue-note strong {
  font: 900 2.1rem/1 var(--display);
}

main {
  position: relative;
  z-index: 1;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 2px solid var(--ink);
}

.metrics article {
  display: grid;
  min-height: 156px;
  padding: 24px clamp(18px, 3vw, 42px);
  border-right: 1px solid var(--ink);
}

.metrics article:last-child {
  border-right: 0;
}

.metrics span,
.metrics small {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.metrics strong {
  align-self: center;
  font: 900 clamp(2.7rem, 5vw, 5rem) / 1 var(--display);
  letter-spacing: -0.06em;
}

.catalog-shell {
  padding: clamp(42px, 6vw, 90px) clamp(18px, 4vw, 64px) 72px;
}

.catalog-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.catalog-heading h2,
.method-note h2,
.dialog-copy h2 {
  margin: 0;
  font: 900 clamp(2.8rem, 6vw, 6rem) / 0.9 var(--display);
  letter-spacing: -0.055em;
}

.result-count {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.filters {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: minmax(220px, 1.5fr) repeat(4, minmax(112px, 0.6fr)) auto;
  gap: 1px;
  margin: 0 0 34px;
  border: 2px solid var(--ink);
  background: var(--ink);
  box-shadow: 0 10px 30px rgba(23, 23, 19, 0.12);
}

.filters label {
  display: grid;
  min-width: 0;
  background: rgba(242, 237, 223, 0.97);
}

.filters label > span {
  padding: 9px 12px 0;
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.filters input,
.filters select {
  width: 100%;
  min-width: 0;
  padding: 6px 12px 11px;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-weight: 700;
}

.filters label:focus-within {
  background: var(--acid);
}

.filters button,
.pagination button,
.card-actions button,
.card-actions a,
.dialog-actions button,
.dialog-actions a {
  border: 0;
  color: inherit;
  background: none;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

#reset-filters {
  padding: 12px 18px;
  color: white;
  background: var(--blue);
  white-space: nowrap;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 38px 18px;
}

.level-card {
  min-width: 0;
  animation: card-in 520ms both;
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
}

.media-frame {
  position: relative;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  border: 1px solid var(--ink);
  background: var(--paper-deep);
}

.level-card:nth-child(3n + 1) .media-frame {
  clip-path: polygon(0 0, 100% 1.4%, 98.5% 100%, 1.5% 98.8%);
}

.level-image,
.media-frame video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.level-image {
  transition: transform 420ms cubic-bezier(0.2, 0.75, 0.3, 1), filter 220ms ease;
}

.level-card:hover .level-image {
  transform: scale(1.035);
  filter: saturate(1.08) contrast(1.03);
}

.media-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 6px 8px;
  border: 1px solid var(--ink);
  background: var(--acid);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.stop-video {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 7px 10px;
  border: 1px solid white;
  color: white;
  background: rgba(23, 23, 19, 0.78);
  cursor: pointer;
}

.card-body {
  padding: 14px 4px 0;
}

.card-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
}

.card-title-row h3 {
  margin: 0;
  font: 900 2rem/1 var(--display);
  letter-spacing: -0.04em;
}

.resource-id {
  color: var(--muted);
  font: 800 0.66rem/1 var(--body);
  letter-spacing: 0.08em;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 10px;
}

.tag {
  padding: 4px 7px 3px;
  border: 1px solid var(--line);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tag.video {
  border-color: var(--signal);
  color: var(--signal);
}

.tag.fixed {
  border-color: var(--blue);
  color: var(--blue);
}

.tag.issue {
  border-color: var(--ink);
  background: var(--acid);
}

.layout-summary {
  min-height: 2.9em;
  margin: 12px 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  border: 1px solid var(--ink);
  background: var(--ink);
}

.card-actions > * {
  min-height: 42px;
  padding: 9px 10px;
  background: var(--paper);
  font-size: 0.7rem;
  text-align: center;
}

.card-actions > *:hover {
  color: white;
  background: var(--blue);
}

.card-actions .play-video {
  color: white;
  background: var(--signal);
}

.card-actions .play-video:disabled {
  color: var(--muted);
  background: var(--paper-deep);
  cursor: not-allowed;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 56px;
}

.pagination > button {
  min-width: 120px;
  padding: 12px 16px;
  border: 1px solid var(--ink);
}

.pagination > button:hover:not(:disabled) {
  color: white;
  background: var(--ink);
}

.pagination button:disabled {
  opacity: 0.32;
  cursor: not-allowed;
}

.page-numbers {
  min-width: 150px;
  text-align: center;
  font: 900 1.15rem/1 var(--display);
}

.method-note {
  display: grid;
  grid-template-columns: minmax(180px, 0.5fr) minmax(0, 2fr);
  gap: 44px;
  padding: clamp(48px, 7vw, 100px) clamp(24px, 7vw, 110px);
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  background: var(--acid);
}

.method-note > div {
  max-width: 900px;
}

.method-note p:not(.section-index) {
  max-width: 780px;
  margin: 28px 0 0;
  font-size: 1rem;
}

code {
  padding: 0.12em 0.35em;
  border: 1px solid currentColor;
  font-size: 0.88em;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(18px, 4vw, 64px);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.layout-dialog {
  width: min(1080px, calc(100vw - 30px));
  max-height: min(820px, calc(100vh - 30px));
  padding: 0;
  border: 2px solid var(--ink);
  color: var(--ink);
  background: var(--paper);
  box-shadow: 18px 18px 0 rgba(23, 23, 19, 0.35);
}

.layout-dialog::backdrop {
  background: rgba(23, 23, 19, 0.72);
  backdrop-filter: blur(6px);
}

.layout-dialog[open] {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(360px, 1.2fr);
}

.dialog-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  width: 42px;
  height: 42px;
  border: 2px solid var(--ink);
  background: var(--acid);
  font: 900 1.6rem/1 var(--display);
  cursor: pointer;
}

.dialog-copy {
  padding: clamp(28px, 5vw, 58px);
  border-right: 2px solid var(--ink);
}

.dialog-copy h2 {
  margin-bottom: 22px;
}

.dialog-copy > p:not(.section-index) {
  color: var(--muted);
}

.order-string {
  max-height: 210px;
  margin-top: 22px;
  padding: 14px;
  overflow: auto;
  border: 1px solid var(--ink);
  font: 700 0.72rem/1.55 ui-monospace, SFMono-Regular, Menlo, monospace;
  word-break: break-word;
  background: var(--paper-deep);
}

.dialog-actions {
  display: grid;
  gap: 8px;
  margin-top: 22px;
}

.dialog-actions > * {
  padding: 12px 14px;
  border: 1px solid var(--ink);
  text-align: center;
}

.dialog-actions button {
  color: white;
  background: var(--blue);
}

.layout-stage {
  display: grid;
  place-items: center;
  min-height: 600px;
  padding: clamp(48px, 7vw, 84px);
  background:
    linear-gradient(45deg, rgba(23, 23, 19, 0.05) 25%, transparent 25%) 0 0 / 22px 22px,
    linear-gradient(-45deg, rgba(23, 23, 19, 0.05) 25%, transparent 25%) 0 0 / 22px 22px,
    #d8d0be;
}

.layout-board {
  display: grid;
  width: min(100%, 470px);
  aspect-ratio: 1;
  border: 3px solid var(--ink);
  box-shadow: 12px 12px 0 var(--signal);
  background: var(--ink);
  gap: 1px;
}

.layout-tile {
  position: relative;
  min-width: 0;
  min-height: 0;
  background-repeat: no-repeat;
}

.layout-tile span {
  position: absolute;
  right: 3px;
  bottom: 3px;
  min-width: 18px;
  padding: 2px 3px;
  color: white;
  background: rgba(23, 23, 19, 0.78);
  font-size: 0.54rem;
  font-weight: 900;
  text-align: center;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 80px 20px;
  border: 2px dashed var(--line);
  text-align: center;
}

.fatal-error {
  max-width: 720px;
  margin: 60px auto;
  padding: 24px;
  border: 2px solid var(--ink);
  background: #ffd5c8;
}

@media (max-width: 1120px) {
  .catalog-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .filters {
    grid-template-columns: minmax(220px, 1.5fr) repeat(2, minmax(120px, 0.7fr));
  }

  #reset-filters {
    grid-column: span 1;
  }
}

@media (max-width: 780px) {
  .masthead {
    grid-template-columns: 68px 1fr;
    min-height: 560px;
    padding: 24px 18px 36px;
  }

  .masthead-copy {
    align-self: start;
    padding-top: 76px;
  }

  .masthead h1 {
    font-size: clamp(3.6rem, 17vw, 6.3rem);
  }

  .masthead h1 em {
    margin-left: 0;
  }

  .lede {
    margin: 34px 0 0;
  }

  .issue-note {
    position: absolute;
    right: 24px;
    bottom: 28px;
  }

  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .metrics article:nth-child(2) {
    border-right: 0;
  }

  .metrics article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--ink);
  }

  .catalog-heading {
    align-items: start;
    flex-direction: column;
  }

  .filters {
    position: static;
    grid-template-columns: 1fr 1fr;
  }

  .search-field,
  #reset-filters {
    grid-column: 1 / -1;
  }

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

  .method-note {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  footer {
    flex-direction: column;
  }

  .layout-dialog[open] {
    grid-template-columns: 1fr;
    overflow: auto;
  }

  .dialog-copy {
    border-right: 0;
    border-bottom: 2px solid var(--ink);
  }

  .layout-stage {
    min-height: auto;
    padding: 42px;
  }
}

@media (max-width: 500px) {
  .catalog-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .media-frame {
    aspect-ratio: 4 / 5;
  }

  .filters {
    grid-template-columns: 1fr;
  }

  .filters > *,
  .search-field,
  #reset-filters {
    grid-column: 1;
  }

  .pagination {
    gap: 6px;
  }

  .pagination > button {
    min-width: 96px;
  }

  .page-numbers {
    min-width: 82px;
  }

  .layout-stage {
    padding: 32px 24px 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}