:root {
  color-scheme: light;
  --paper: #ffffff;
  --ink: #000000;
  --folder: #0000ee;
  --file: #007900;
  --focus: #ffcc00;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Courier New", Courier, monospace;
  text-transform: lowercase;
}

.directory {
  width: max-content;
  max-width: 100%;
  padding: 32px 44px;
}

.homepage {
  width: 100%;
}

.homepage-grid {
  display: grid;
  grid-template-columns: max-content 340px;
  align-items: start;
  gap: 40px;
  margin-top: 0;
}

.profile {
  margin: 0;
  justify-self: start;
  width: 340px;
}

.profile img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 734 / 718;
  object-fit: cover;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 4vw, 40px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0;
}

.tree {
  margin: 0;
  font-family: inherit;
  font-size: clamp(28px, 3.7vw, 40px);
  line-height: 1.08;
  font-weight: 400;
  white-space: pre;
  overflow-x: auto;
}

.branch {
  color: var(--ink);
}

a {
  text-decoration: none;
}

.path-link {
  color: inherit;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.08em;
}

a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.folder {
  color: var(--folder);
}

.file {
  color: var(--file);
}

.file-page {
  max-width: 980px;
  padding: 32px 44px 60px;
}

.path-title {
  margin: 0 0 28px;
  color: var(--ink);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.2;
  font-weight: 700;
  word-break: break-word;
}

.text-file {
  margin: 0;
  max-width: 82ch;
  font-family: inherit;
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.5;
  white-space: pre-wrap;
}

.text-file a,
.paper-title {
  color: var(--file);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.text-file a.intro-link {
  color: var(--ink);
}

.paper-title {
  text-transform: none;
}

.contact-form {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 16px;
  width: min(100%, 640px);
  margin-top: 12px;
  font-size: 18px;
}

.contact-invitation {
  margin: 28px 0 0;
  font-size: 18px;
  line-height: 1.5;
}

.contact-field {
  display: grid;
  gap: 6px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 2px solid var(--ink);
  border-radius: 0;
  padding: 8px 10px;
  color: var(--ink);
  background: var(--paper);
  font: inherit;
  line-height: 1.35;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form button {
  justify-self: start;
  min-height: 38px;
  border: 2px solid var(--ink);
  border-radius: 0;
  padding: 5px 10px;
  color: var(--paper);
  background: var(--folder);
  font: inherit;
  cursor: pointer;
}

.contact-form button:hover,
.contact-form button:focus-visible {
  color: var(--folder);
  background: var(--paper);
}

.paper-list {
  display: grid;
  gap: 18px;
  max-width: 900px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.35;
}

.paper-list li {
  display: grid;
  gap: 4px;
}

.paper-note {
  color: #555555;
  font-size: 0.8em;
}

.paper-note a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.map-shell {
  width: min(100vw - 40px, 1100px);
  margin: 0 auto;
}

.file-page.map-shell {
  max-width: none;
}

.map-tools {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
  font-size: 16px;
}

.filter-button {
  min-height: 34px;
  padding: 4px 9px;
  border: 2px solid var(--ink);
  border-radius: 0;
  color: var(--folder);
  background: var(--paper);
  font: inherit;
  cursor: pointer;
}

.filter-button:hover,
.filter-button:focus-visible,
.filter-button.is-active {
  color: var(--paper);
  background: var(--folder);
}

.map-note {
  margin-left: 4px;
}

.map-tools code {
  color: var(--file);
}

.media-map {
  position: relative;
  width: 100%;
  height: min(72vh, 760px);
  min-height: 460px;
  overflow: auto;
  background: var(--paper);
}

.map-canvas {
  display: grid;
  grid-template-columns: repeat(var(--map-columns), 160px);
  width: max-content;
  min-width: 100%;
  align-content: start;
  justify-content: center;
}

.media-card {
  width: 160px;
  color: var(--ink);
  transition: transform 120ms ease, z-index 120ms ease;
}

.cover {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 160px;
  height: 230px;
  padding: 14px 12px 12px;
  border: 1px solid var(--paper);
  color: var(--paper);
  background: #444444;
  overflow: hidden;
  text-align: left;
}

.media-card:hover,
.media-card:focus-within {
  position: relative;
  z-index: 1;
  transform: scale(1.04);
}

.cover-type,
.cover-month {
  font-size: 11px;
  letter-spacing: 0;
  text-transform: lowercase;
}

.cover strong {
  max-width: 12ch;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
  line-height: 0.98;
  font-weight: 700;
  word-break: normal;
}

.cover-heading {
  display: grid;
  gap: 10px;
}

.cover-creator {
  max-width: 18ch;
  font-size: 12px;
  line-height: 1.15;
}

.tone-coral .cover { background: #c85b4b; }
.tone-sky .cover { background: #347a9b; }
.tone-gold .cover { background: #c39427; }
.tone-red .cover { background: #9d2c35; }
.tone-charcoal .cover { background: #252525; }
.tone-green .cover { background: #32644e; }
.tone-blue .cover { background: #315b8e; }
.tone-violet .cover { background: #67427c; }
.tone-orange .cover { background: #c6652b; }
.tone-aqua .cover { background: #278b8a; }
.tone-pink .cover { background: #ad5877; }
.tone-black .cover { background: #111111; }
.tone-teal .cover { background: #2e686c; }

.pdf-file iframe {
  display: block;
  width: min(100%, 820px);
  height: min(78vh, 980px);
  min-height: 620px;
  border: 2px solid var(--ink);
}

.pdf-fallback {
  margin: 12px 0 0;
  font-size: 18px;
}

@media (max-width: 640px) {
  .directory {
    padding: 24px 18px;
  }

  .homepage {
    width: 100%;
  }

  .homepage-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-top: 24px;
  }

  .profile {
    width: min(100%, 420px);
  }

  h1 {
    font-size: 28px;
  }

  .tree {
    font-size: 18px;
    line-height: 1.12;
  }

  .file-page {
    padding: 24px 18px 44px;
  }

  .media-map {
    min-height: 520px;
  }

  .pdf-file iframe {
    min-height: 540px;
  }
}

@media (max-width: 360px) {
  .tree {
    font-size: 16px;
  }
}