/* Colors.css — site styles */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400&family=Geist:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --paper:   #FFFCF0;
  --paper-2: #F2F0E5;
  --ui:      #E6E4D9;
  --ui-2:    #DAD8CE;
  --ui-3:    #CECDC3;
  --tx-3:    #B7B5AC;
  --tx-2:    #6F6E69;
  --tx:      #100F0F;
  --accent:  #205EA6;
  --accent-2:#1A4F8C;
  --red:     #AF3029;
  --green:   #66800B;

  --serif: 'Newsreader', 'Iowan Old Style', 'Charter', Georgia, serif;
  --sans:  'Geist', system-ui, -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono:  'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;

  --maxw: 1100px;
  --radius: 8px;
  --radius-sm: 5px;
  --shadow-sm: 0 1px 0 rgba(16,15,15,0.04), 0 1px 2px rgba(16,15,15,0.04);
  --shadow-pop: 0 10px 30px -10px rgba(16,15,15,0.18), 0 2px 6px rgba(16,15,15,0.06);
}

:root[data-theme="dark"] {
  --paper:   #100F0F;
  --paper-2: #1C1B1A;
  --ui:      #282726;
  --ui-2:    #343331;
  --ui-3:    #403E3C;
  --tx-3:    #575653;
  --tx-2:    #878580;
  --tx:      #CECDC3;
  --accent:  #4385BE;
  --accent-2:#66A0C8;
  --red:     #D14D41;
  --green:   #879A39;
  --shadow-sm: 0 1px 0 rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
  --shadow-pop: 0 10px 30px -10px rgba(0,0,0,0.6), 0 2px 6px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--tx);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  transition: border-color .15s, color .15s;
}
a:hover { border-bottom-color: var(--accent); }

::selection { background: color-mix(in srgb, var(--accent) 35%, transparent); color: var(--tx); }

code, kbd, pre, .mono { font-family: var(--mono); font-size: 0.92em; }

hr { border: 0; border-top: 1px solid var(--ui-2); margin: 4rem 0; }

/* ------- Header ------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem max(1.25rem, calc((100vw - var(--maxw)) / 2));
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(160%) blur(8px);
  -webkit-backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--ui-2);
}

.brand {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 1.25rem;
  color: var(--tx);
  border: 0;
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--accent); }
.brand .dot { color: var(--accent); }

.site-header nav {
  display: flex;
  gap: 1.25rem;
  margin-left: 1.5rem;
}
.site-header nav a {
  color: var(--tx-2);
  font-size: 0.92rem;
  border: 0;
}
.site-header nav a:hover { color: var(--tx); }

.header-tools {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.search {
  position: relative;
  display: flex;
  align-items: center;
}
.search svg {
  position: absolute;
  left: 0.65rem;
  width: 14px;
  height: 14px;
  color: var(--tx-2);
  pointer-events: none;
}
.search input {
  font: inherit;
  font-size: 0.9rem;
  padding: 0.4rem 0.7rem 0.4rem 2rem;
  border: 1px solid var(--ui-2);
  background: var(--paper-2);
  color: var(--tx);
  border-radius: var(--radius-sm);
  width: 220px;
  outline: none;
  transition: border-color .15s, background .15s;
  height: 32px;
}
.search input:focus { border-color: var(--accent); background: var(--paper); }
.search input:focus + svg, .search:hover svg { color: var(--tx); }

.format-select, .theme-toggle {
  font: inherit;
  font-size: 0.85rem;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--ui-2);
  background: var(--paper-2);
  color: var(--tx);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color .15s, background .15s;
  height: 32px;
}
.format-select:hover, .theme-toggle:hover { border-color: var(--ui-3); background: var(--paper); }

.theme-toggle {
  width: 32px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.theme-toggle svg { width: 14px; height: 14px; }

/* ------- Layout container ------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ------- Hero ------- */
.hero {
  padding: 5rem 0 3rem;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(3rem, 7vw, 5rem);
  line-height: 1;
  margin: 0 0 1rem;
  letter-spacing: -0.025em;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent);
}
.hero .lede {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  line-height: 1.5;
  color: var(--tx);
  max-width: 38em;
  margin: 0 0 1.75rem;
  font-weight: 400;
}
.hero .lede .accent { font-style: italic; color: var(--tx-2); }

.hero-meta {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  flex-wrap: wrap;
  color: var(--tx-2);
  font-size: 0.9rem;
}
.hero-meta a { color: var(--tx); }
.hero-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.hero-meta .ver {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--tx-2);
  background: var(--paper-2);
  border: 1px solid var(--ui-2);
  border-radius: 99px;
  padding: 0.05rem 0.45rem;
  vertical-align: 1px;
  letter-spacing: 0.02em;
}
.hero-meta .pip {
  display: inline-block;
  width: 0.4rem; height: 0.4rem;
  background: var(--tx-3);
  border-radius: 50%;
}

/* ------- Section headings ------- */
.section {
  padding: 2.5rem 0;
  scroll-margin-top: 80px;
}
.section > h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.9rem;
  letter-spacing: -0.015em;
  margin: 0 0 0.4rem;
}
.section > h2 .num {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--tx-3);
  vertical-align: middle;
  margin-right: 0.6em;
  letter-spacing: 0.05em;
}
.section > .section-lede {
  color: var(--tx-2);
  margin: 0 0 1.75rem;
  max-width: 56ch;
}

/* ------- Code blocks ------- */
.codeblock {
  position: relative;
  background: var(--paper-2);
  border: 1px solid var(--ui-2);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.55;
  overflow: hidden;
  margin: 0;
}
.codeblock pre {
  margin: 0;
  padding: 1rem 3.5rem 1rem 1rem;
  overflow-x: auto;
  color: var(--tx);
  white-space: pre;
}
.codeblock .tag { color: var(--accent); }
.codeblock .attr { color: var(--tx-2); }
.codeblock .str { color: var(--green); }
.codeblock .key { color: var(--red); }

.copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font: inherit;
  font-family: var(--sans);
  font-size: 0.75rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--ui-2);
  background: var(--paper);
  color: var(--tx-2);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .15s;
  letter-spacing: 0.02em;
}
.copy-btn:hover { color: var(--tx); border-color: var(--ui-3); }
.copy-btn.copied { color: var(--green); border-color: var(--green); }

/* ------- Install / Usage grids ------- */
.install-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.install-block h3 {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--tx-2);
  margin: 0 0 0.6rem;
}
.install-block p {
  color: var(--tx-2);
  font-size: 0.95rem;
  margin: 0.6rem 0;
}
.install-block code {
  background: var(--paper-2);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  color: var(--tx);
  border: 1px solid var(--ui-2);
  font-size: 0.85em;
}

.usage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.usage-card {
  background: var(--paper-2);
  border: 1px solid var(--ui-2);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.usage-card h4 {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--tx-2);
  margin: 0 0 0.6rem;
  letter-spacing: 0.02em;
}
.usage-card .class-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.usage-card .pill {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.5rem;
  background: var(--paper);
  border: 1px solid var(--ui-2);
  border-radius: 99px;
  color: var(--tx);
}
.usage-card p { margin: 0.4rem 0 0; color: var(--tx-2); font-size: 0.9rem; }

.example-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
}
.example-row .demo {
  width: 2.2rem; height: 2.2rem;
  border-radius: 6px;
  flex-shrink: 0;
}
.example-row code {
  font-size: 0.8rem;
  color: var(--tx);
}

/* ------- Palette nav ------- */
.palette-nav-wrap {
  position: sticky;
  top: 56px;
  z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(160%) blur(8px);
  -webkit-backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--ui-2);
  margin: 0 -1.25rem 2rem;
  padding: 0 1.25rem;
}
.palette-nav {
  display: flex;
  gap: 0.25rem;
  overflow-x: auto;
  padding: 0.5rem 0;
  scrollbar-width: thin;
}
.palette-nav a {
  font-size: 0.85rem;
  padding: 0.4rem 0.75rem;
  border-radius: 99px;
  color: var(--tx-2);
  border: 0;
  white-space: nowrap;
  transition: background .15s, color .15s;
}
.palette-nav a:hover { background: var(--ui); color: var(--tx); }
.palette-nav a.active { background: var(--tx); color: var(--paper); }

/* ------- Palette block ------- */
.palette {
  margin: 0 0 4rem;
  scroll-margin-top: 124px;
}
.palette-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--ui-2);
}
.palette-title {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  flex-wrap: wrap;
}
.palette-title h3 {
  font-family: var(--serif);
  font-size: 2.1rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0;
  line-height: 1.1;
}
.palette-title .count {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--tx-3);
  letter-spacing: 0.05em;
}
.palette-desc {
  color: var(--tx-2);
  font-size: 0.95rem;
  max-width: 56ch;
  margin: 0.5rem 0 0;
  flex-basis: 100%;
}
.palette-desc a { color: var(--tx); }

.palette-embed {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--paper-2);
  border: 1px solid var(--ui-2);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.3rem 0.3rem 0.7rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--tx-2);
  max-width: 100%;
  overflow: hidden;
}
.palette-embed .embed-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 30rem;
}
.palette-embed button {
  font: inherit;
  font-family: var(--sans);
  font-size: 0.72rem;
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--ui-2);
  background: var(--paper);
  color: var(--tx-2);
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.palette-embed button:hover { color: var(--tx); border-color: var(--ui-3); }
.palette-embed button.copied { color: var(--green); border-color: var(--green); }

/* ------- Families ------- */
.family {
  margin: 0 0 1.5rem;
}
.family h4 {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: lowercase;
  letter-spacing: 0.06em;
  color: var(--tx-2);
  margin: 0 0 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.family h4 .dot {
  width: 0.6rem; height: 0.6rem;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--tx) 12%, transparent);
}

/* ------- Swatches ------- */
.swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(108px, 1fr));
  gap: 4px;
}
.swatches.tight {
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
}

.swatch {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: stretch;
  height: 84px;
  padding: 8px 10px;
  border: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font: inherit;
  text-align: left;
  outline: 1px solid color-mix(in srgb, var(--tx) 6%, transparent);
  outline-offset: -1px;
  transition: transform .12s ease, box-shadow .12s ease;
  overflow: hidden;
}
.swatch:hover {
  z-index: 2;
  transform: translateY(-1px);
  box-shadow: var(--shadow-pop);
}
.swatch:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.swatch .swatch-name {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  opacity: 0.92;
  line-height: 1.2;
  word-break: break-word;
}
.swatch .swatch-hex {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 400;
  opacity: 0.65;
  letter-spacing: 0.01em;
}
.swatch.compact { height: 64px; padding: 6px 8px; }
.swatch.compact .swatch-name { font-size: 0.66rem; }
.swatch.compact .swatch-hex { font-size: 0.66rem; }

/* compact mode hides hex */
body[data-density="compact"] .swatch .swatch-hex { display: none; }
body[data-density="compact"] .swatch { height: 56px; }
body[data-density="spacious"] .swatch { height: 104px; }

/* ------- Copy popover ------- */
.copy-pop {
  position: fixed;
  z-index: 100;
  background: var(--paper);
  border: 1px solid var(--ui-2);
  border-radius: var(--radius);
  box-shadow: var(--shadow-pop);
  min-width: 240px;
  padding: 6px;
  font-family: var(--sans);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .12s, transform .12s;
  pointer-events: none;
}
.copy-pop.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.copy-pop .pop-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.6rem 0.6rem;
  border-bottom: 1px solid var(--ui-2);
  margin-bottom: 4px;
}
.copy-pop .pop-chip {
  width: 28px; height: 28px;
  border-radius: 6px;
  flex-shrink: 0;
  outline: 1px solid color-mix(in srgb, var(--tx) 10%, transparent);
  outline-offset: -1px;
}
.copy-pop .pop-name {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--tx);
  font-weight: 500;
  line-height: 1.1;
}
.copy-pop .pop-sub {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--tx-3);
  line-height: 1.2;
}
.copy-pop .pop-row {
  display: grid;
  grid-template-columns: 4.5rem 1fr auto;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.6rem;
  border-radius: 5px;
  cursor: pointer;
  border: 0;
  background: transparent;
  width: 100%;
  font: inherit;
  text-align: left;
}
.copy-pop .pop-row:hover { background: var(--paper-2); }
.copy-pop .pop-row .label {
  font-family: var(--sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tx-2);
}
.copy-pop .pop-row .val {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--tx);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.copy-pop .pop-row .ico {
  width: 14px; height: 14px;
  opacity: 0.4;
}
.copy-pop .pop-row:hover .ico { opacity: 0.8; }
.copy-pop .pop-row.copied .ico { color: var(--green); opacity: 1; }
.copy-pop .pop-row.copied .label { color: var(--green); }

.copy-pop .pop-foot {
  display: flex;
  justify-content: space-between;
  padding: 0.45rem 0.6rem 0.3rem;
  border-top: 1px solid var(--ui-2);
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--tx-3);
}

/* ------- Toast ------- */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(calc(100% + 2.5rem));
  opacity: 0;
  visibility: hidden;
  background: var(--tx);
  color: var(--paper);
  padding: 0.55rem 1rem;
  border-radius: 99px;
  font-size: 0.85rem;
  box-shadow: var(--shadow-pop);
  transition: transform .25s ease, opacity .25s ease, visibility 0s linear .25s;
  z-index: 200;
  font-family: var(--mono);
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
  transition: transform .25s ease, opacity .25s ease, visibility 0s;
}

/* ------- Footer ------- */
.site-footer {
  border-top: 1px solid var(--ui-2);
  padding: 3rem 0;
  color: var(--tx-2);
  font-size: 0.9rem;
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
  align-items: flex-start;
}
.site-footer .col-title {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--tx-3);
  margin: 0 0 0.6rem;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.35rem; }
.site-footer a { color: var(--tx); border: 0; }
.site-footer a:hover { color: var(--accent); }

/* ------- Wide gamut callout ------- */
.gamut-note {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--paper-2);
  border: 1px solid var(--ui-2);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  font-size: 0.92rem;
  color: var(--tx-2);
  margin-top: 1.25rem;
}
.gamut-note strong { color: var(--tx); font-weight: 500; }
.gamut-note .ring {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem; height: 2rem;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #af3029, #bc5215, #ad8301, #66800b, #24837b, #205ea6, #5e409d, #a02f6f, #af3029);
  flex-shrink: 0;
  margin-top: 2px;
}
.gamut-note .ring-inner {
  width: 1.1rem; height: 1.1rem;
  background: var(--paper);
  border-radius: 50%;
}

/* ------- Hide swatch when filtered ------- */
.swatch.hidden { display: none; }
.family.hidden { display: none; }
.palette.hidden { display: none; }

@media (max-width: 700px) {
  .site-header { padding: 0.5rem 0.85rem; gap: 0.5rem; }
  .site-header nav { display: none; }
  .search input { width: 140px; }
  .hero { padding: 3rem 0 2rem; }
  .swatches { grid-template-columns: repeat(auto-fill, minmax(86px, 1fr)); }
  .palette-embed .embed-text { max-width: 14rem; font-size: 0.65rem; }
}