/*
  Drafting-sheet look: cool paper, ink, and magenta construction guides.
  Magenta only marks guides, focus and the selected icon. Nothing else is colored.
*/
:root {
  --sans: "Bricolage Grotesque", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --folder: #c09553; /* vscode-icons default folder */
}
:root[data-theme="light"] {
  --paper: #e9edf1;
  --sheet: #f6f8fa;
  --ink: #17202b;
  --graphite: #56616e;
  --rule: #cfd6de;
  --rule-strong: #aab4bf;
  --guide: #c2185b;
  --danger: #b3261e;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --paper: #1a2029;
  --sheet: #212833;
  --ink: #e4e9ee;
  --graphite: #95a1ae;
  --rule: #2f3843;
  --rule-strong: #46515e;
  --guide: #ff6aa8;
  --danger: #ff8a80;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font:
    400 14px/1.55 var(--sans),
    sans-serif;
  font-variation-settings: "wdth" 100;
  -webkit-font-smoothing: antialiased;
}
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}
code,
pre,
textarea {
  font-family: var(--mono);
  font-size: 0.86em;
}
:focus-visible {
  outline: 2px solid var(--guide);
  outline-offset: 2px;
}

/* ---------- header ---------- */
.titlebar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}
.brand svg {
  width: 22px;
  height: 22px;
}
.brand-folder {
  fill: var(--folder);
}
.titlebar-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}
.repo {
  gap: 8px;
  text-decoration: none;
}
.repo svg {
  width: 20px;
  height: 20px;
}
.brand-guide {
  fill: none;
  stroke: var(--guide);
  stroke-width: 1.4;
  stroke-dasharray: 2 1.5;
}

/* ---------- hero: text + specimen sheet ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 640px);
  gap: 56px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 24px 48px;
  align-items: start;
}
h1 {
  margin: 0 0 18px;
  font-size: 56px;
  line-height: 1;
  font-weight: 650;
  font-variation-settings:
    "wdth" 88,
    "opsz" 96;
  letter-spacing: -0.015em;
  max-width: 12ch;
  text-wrap: balance;
}
.lede {
  margin: 0 0 28px;
  max-width: 46ch;
  font-size: 16px;
  color: var(--graphite);
}

/* controls */
.btn {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 14px;
  background: var(--sheet);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
}
.btn:hover {
  border-color: var(--ink);
}
.btn.primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.btn.ghost {
  background: none;
  border-color: transparent;
  color: var(--graphite);
}
.btn.ghost:hover {
  color: var(--ink);
}
.btn.small {
  height: 28px;
  padding: 0 10px;
  font-size: 13px;
}
.btn.remove:hover {
  border-color: var(--danger);
  color: var(--danger);
}
.btn:disabled {
  opacity: 0.4;
  pointer-events: none;
}
.field {
  height: 34px;
  padding: 0 10px;
  background: var(--sheet);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  font-size: 13px;
}
.linkbtn {
  padding: 0;
  background: none;
  border: 0;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--rule-strong);
  text-underline-offset: 3px;
  cursor: pointer;
}
.linkbtn:hover {
  text-decoration-color: currentColor;
}
input[type="file"] {
  display: none;
}
input[type="range"],
input[type="checkbox"] {
  accent-color: var(--guide);
}
.row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

/* drop zone */
.drop {
  display: grid;
  gap: 4px;
  padding: 22px 24px;
  border: 1.5px dashed var(--rule-strong);
  border-radius: 8px;
  cursor: pointer;
}
.drop:hover,
.drop.over {
  border-color: var(--guide);
}
.drop.over {
  background: color-mix(in srgb, var(--guide) 7%, transparent);
}
.drop-lead {
  font-size: 18px;
  font-weight: 600;
}
.drop-sub {
  color: var(--graphite);
}
.drop .row {
  margin-top: 14px;
}

.paste {
  display: none;
  margin-top: 12px;
}
.paste.open {
  display: block;
}
.paste textarea {
  display: block;
  width: 100%;
  min-height: 130px;
  padding: 12px;
  background: var(--sheet);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  resize: vertical;
}
.paste .row {
  margin-top: 8px;
}
.paste .field {
  flex: 1 1 200px;
}
.err {
  color: var(--danger);
  font-size: 13px;
}

/* specimen: the folder drawn large on its 32-unit grid */
.specimen {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 200px;
  gap: 24px;
  align-items: start;
}
.sheet {
  display: block;
  width: 100%;
  aspect-ratio: 1;
}
.grid-bg {
  fill: var(--sheet);
}
.grid-fine {
  fill: none;
  stroke: var(--rule);
  stroke-width: 0.04;
}
.grid-major {
  fill: none;
  stroke: var(--rule-strong);
  stroke-width: 0.06;
}
.grid-edge {
  fill: none;
  stroke: var(--rule-strong);
  stroke-width: 0.08;
}
.axis text {
  font: 1.05px var(--sans);
  fill: var(--graphite);
  text-anchor: middle;
}
.axis text.v {
  text-anchor: end;
}
.ghost-folder {
  fill: var(--folder);
  opacity: 0.35;
}
.guides {
  fill: none;
  stroke: var(--guide);
  stroke-width: 0.12;
  pointer-events: none;
}
.guides rect,
.guides circle {
  stroke-dasharray: 0.5 0.35;
}
.specimen figcaption {
  display: grid;
  gap: 10px;
  font-size: 13px;
}
#specName {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
  font-size: 12px;
  overflow-wrap: anywhere;
}
.ctl {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 8px;
  align-items: center;
}
.ctl label {
  color: var(--graphite);
}
.ctl output {
  grid-area: 1 / 2;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.ctl input[type="range"],
.ctl select {
  grid-column: 1 / -1;
  width: 100%;
  margin: 0;
}
.hint {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--graphite);
}
.hint .linkbtn {
  display: block;
  margin-top: 6px;
  font-size: 13px;
}

/* ---------- work area ---------- */
.workbench {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 48px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px 64px;
  align-items: start;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
}
h2 {
  margin: 0;
  font-size: 24px;
  font-variation-settings:
    "wdth" 88,
    "opsz" 48;
  font-weight: 650;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.empty {
  margin: 0;
  padding: 32px 0;
  color: var(--graphite);
}

/* icon rows: separated by rules, not boxed */
.item {
  position: relative;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}
.item.is-focus::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 20px;
  bottom: 20px;
  width: 3px;
  background: var(--guide);
}
.thumb {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border: 1px solid var(--rule);
  background: repeating-conic-gradient(var(--rule) 0 25%, var(--sheet) 0 50%) 0
    0 / 12px 12px;
}
.thumb img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}
.meta {
  display: grid;
  gap: 14px;
  min-width: 0;
}
.top {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.top .src {
  flex-basis: 100%;
  font-size: 12px;
  color: var(--graphite);
}
.namebox {
  display: flex;
  align-items: center;
  flex: 1 1 260px;
  height: 34px;
  background: var(--sheet);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 13px;
}
.namebox:focus-within {
  border-color: var(--guide);
}
.namebox span {
  padding-left: 10px;
  color: var(--graphite);
}
.namebox input {
  flex: 1;
  min-width: 0;
  height: 100%;
  padding: 0 10px 0 0;
  border: 0;
  background: none;
  font-family: inherit;
  font-weight: 500;
}
.namebox input:focus {
  outline: none;
}

.colors {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  font-size: 13px;
}
.swatch {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--graphite);
}
.swatch b {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
}
.chip {
  width: 16px;
  height: 16px;
  border-radius: 3px;
}
.swatch input[type="color"] {
  width: 30px;
  height: 22px;
  padding: 2px;
  background: var(--sheet);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  cursor: pointer;
}
.swatch input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}
.swatch input[type="color"]::-webkit-color-swatch {
  border: 0;
  border-radius: 2px;
}
.swatch input[type="color"]::-moz-color-swatch {
  border: 0;
  border-radius: 2px;
}

.previews {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
/* real VS Code sidebar colors, so the preview is honest */
.tile {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  border-radius: 4px;
}
.tile.dark {
  background: #181818;
}
.tile.light {
  background: #f8f8f8;
  box-shadow: inset 0 0 0 1px #e0e0e0;
}

.file {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  border-top: 1px dotted var(--rule-strong);
}
.file code {
  margin-right: auto;
  overflow-wrap: anywhere;
}
.file .size {
  font-size: 12px;
  color: var(--graphite);
  font-variant-numeric: tabular-nums;
}
details.code {
  border-top: 1px dotted var(--rule-strong);
}
details.code summary {
  padding: 8px 0 0;
  font-size: 13px;
  color: var(--graphite);
  cursor: pointer;
}
details.code pre {
  margin: 8px 0 0;
  padding: 12px;
  max-height: 220px;
  overflow: auto;
  background: var(--sheet);
  border: 1px solid var(--rule);
  font-size: 11.5px;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ---------- explorer preview ---------- */
.side {
  position: sticky;
  top: 24px;
}
.check {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--graphite);
  cursor: pointer;
}
.explorers {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}
.explorer {
  border-radius: 6px;
  overflow: hidden;
  font:
    13px/22px "Segoe UI",
    system-ui,
    sans-serif;
}
.explorer .bar {
  padding: 6px 12px 2px;
  font-size: 12px;
  opacity: 0.65;
}
.explorer.dark {
  background: #181818;
  color: #ccc;
}
.explorer.light {
  background: #f8f8f8;
  color: #3b3b3b;
  box-shadow: inset 0 0 0 1px #e0e0e0;
}
.explorer .rows {
  padding-bottom: 8px;
  max-height: 300px;
  overflow: auto;
}
.erow {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 22px;
  padding: 0 10px;
  white-space: nowrap;
}
.erow .tw {
  width: 12px;
  font-size: 10px;
  text-align: center;
}
.erow img {
  width: 16px;
  height: 16px;
}
.erow.child {
  padding-left: 38px;
}
.zoom2 .erow {
  height: 44px;
  font-size: 26px;
  gap: 12px;
}
.zoom2 .erow img {
  width: 32px;
  height: 32px;
}
.zoom2 .erow.child {
  padding-left: 70px;
}

/* toast answers an action, so it gets the only motion on the page */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  z-index: 20;
  padding: 9px 16px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 4px;
  font-weight: 500;
  opacity: 0;
  transform: translate(-50%, 8px);
  pointer-events: none;
  transition:
    opacity 0.16s,
    transform 0.16s;
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- responsive ---------- */
/* mid widths: keep text and grid side by side, controls move under the grid */
@media (max-width: 1240px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 400px);
    gap: 40px;
  }
  .specimen {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .specimen figcaption {
    grid-template-columns: 1fr 1fr;
    gap: 10px 20px;
  }
  #specName,
  .hint {
    grid-column: 1 / -1;
  }
  .hint .linkbtn {
    display: inline;
    margin: 0 0 0 4px;
  }
}
@media (max-width: 960px) {
  .workbench {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 32px;
  }
}
@media (max-width: 800px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .specimen {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 24px;
  }
  .specimen figcaption {
    grid-template-columns: 1fr;
  }
  .workbench {
    grid-template-columns: 1fr;
  }
  .side {
    position: static;
  }
}
@media (max-width: 600px) {
  .titlebar,
  .hero,
  .workbench {
    padding-left: 16px;
    padding-right: 16px;
  }
  h1 {
    font-size: 42px;
  }
  .specimen {
    grid-template-columns: 1fr;
  }
  .item {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .item.is-focus::before {
    left: -10px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .toast {
    transition: none;
  }
}