/*
 * Shared interaction and typography layer. Loaded after the compiled
 * Tailwind bundle and mobile.css on every page, so equal-specificity
 * selectors here win.
 */

:root {
  /* The compiled bundle's grey (oklch 0.5348 at 85% alpha) is 3.1:1 on the
     page; this one is 4.8:1, past WCAG AA's 4.5:1 for body text. */
  --secondary: #616161;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --duration-hover: 150ms;
  --duration-press: 160ms;
  --duration-enter: 420ms;
  --color-text-muted: var(--secondary);
  --color-image-outline: rgb(0 0 0 / 0.08);
  --shadow-chip:
    0 0 0 1px rgb(0 0 0 / 0.06), 0 1px 2px -1px rgb(0 0 0 / 0.06),
    0 2px 4px rgb(0 0 0 / 0.04);
  --shadow-chip-hover:
    0 0 0 1px rgb(0 0 0 / 0.14), 0 1px 2px -1px rgb(0 0 0 / 0.08),
    0 3px 6px rgb(0 0 0 / 0.06);
}

/* Copy is written in normal case; the lowercase look is presentation only. */
body {
  text-transform: lowercase;
}

code,
.keep-case,
input,
textarea {
  text-transform: none;
}

code {
  font-family: inherit;
  font-size: inherit;
}

main {
  overflow-wrap: break-word;
}

.nowrap {
  white-space: nowrap;
}

/* ---------- Page shell: one width on every subpage ---------- */

.page-shell {
  max-width: none;
  margin-inline: 0;
}

.page-main {
  max-width: 42rem;
}

.page-main .prose-left,
.page-main .prose-left p {
  text-align: left;
}

/* ---------- Site nav ---------- */

.site-nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
  margin-right: -0.5rem;
}

.site-nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding-inline: 0.5rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--duration-hover) ease-out;
}

.site-nav-links a[aria-current="page"] {
  color: var(--foreground);
}

@media (hover: hover) {
  .site-nav-links a:hover {
    color: var(--foreground);
  }
}

/* ---------- Inline text links ---------- */

.ulink {
  color: var(--foreground);
  text-decoration: none;
}

.ulink-text {
  padding-bottom: 1px;
  border-bottom: 1px dotted var(--color-text-muted);
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: 0 calc(100% + 1px);
  background-size: 0% 1px;
  transition: background-size 220ms var(--ease-out);
}

.ulink-icon {
  display: inline-block;
  width: 0.875rem;
  height: 0.875rem;
  margin-left: 0.25rem;
  vertical-align: -0.125em;
  color: var(--color-text-muted);
  transition:
    color var(--duration-hover) ease-out,
    transform 200ms var(--ease-out);
}

.ulink-logo {
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-right: 0.25rem;
  vertical-align: -0.125em;
  object-fit: contain;
}

.ulink:focus-visible .ulink-text {
  background-size: 100% 1px;
}

@media (hover: hover) {
  .ulink:hover .ulink-text {
    background-size: 100% 1px;
  }

  .ulink:hover .ulink-icon {
    color: var(--foreground);
    transform: translateX(2px);
  }

  .ulink[target="_blank"]:hover .ulink-icon {
    transform: translate(1.5px, -1.5px);
  }
}

/* ---------- Section call-to-action links ("More about me ->") ---------- */

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 40px;
  padding-inline: 0.5rem 0.375rem;
  font-weight: var(--font-weight-medium);
  color: var(--foreground);
  transition:
    opacity var(--duration-hover) ease-out,
    scale var(--duration-press) ease-out;
}

.cta svg {
  width: 0.75rem;
  height: 0.75rem;
  transition: transform 200ms var(--ease-out);
}

.cta:active {
  scale: 0.97;
}

.cta:focus-visible svg {
  transform: translateX(3px);
}

@media (hover: hover) {
  .cta:hover {
    opacity: 0.7;
  }

  .cta:hover svg {
    transform: translateX(3px);
  }
}

/* ---------- Chips (project repo / site links) ---------- */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  min-height: 28px;
  padding: 0.25rem 0.375rem 0.25rem 0.5rem;
  font-size: var(--text-xs);
  white-space: nowrap;
  color: var(--foreground);
  background: #fff;
  box-shadow: var(--shadow-chip);
  transition:
    box-shadow var(--duration-hover) ease-out,
    scale var(--duration-press) ease-out;
}

.chip svg {
  width: 0.875rem;
  height: 0.875rem;
  color: var(--color-text-muted);
  transition:
    color var(--duration-hover) ease-out,
    transform 200ms var(--ease-out);
}

.chip:active {
  scale: 0.97;
}

@media (hover: hover) {
  .chip:hover {
    box-shadow: var(--shadow-chip-hover);
  }

  .chip:hover svg {
    color: var(--foreground);
    transform: translateX(2px);
  }
}

/* Project titles: show the arrow on hover and on keyboard focus. */
.project-title svg {
  opacity: 0;
  transform: translateX(-4px);
  transition:
    opacity var(--duration-hover) ease-out,
    transform 200ms var(--ease-out);
}

.project-title:focus-visible svg {
  opacity: 1;
  transform: none;
}

@media (hover: hover) {
  .project-title:hover svg {
    opacity: 1;
    transform: none;
  }
}

/* Rows that are entire links (projects on the home page, PRs, tracks). */
.row-link {
  transition: opacity var(--duration-hover) ease-out;
}

@media (hover: hover) {
  .row-link:hover {
    opacity: 0.7;
  }
}

/* Small icon-only link next to a heading: give it a real hit area. */
.icon-link {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  color: var(--color-text-muted);
  transition: color var(--duration-hover) ease-out;
}

.icon-link svg {
  width: 12px;
  height: 12px;
}

@media (hover: hover) {
  .icon-link:hover {
    color: var(--foreground);
  }
}

/* ---------- Copy email button with icon swap ---------- */

.copy-btn {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin-left: 0.125rem;
  vertical-align: middle;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: 6px;
  transition:
    color var(--duration-hover) ease-out,
    background-color var(--duration-hover) ease-out,
    scale var(--duration-press) ease-out;
}

html:not(.js) .copy-btn {
  display: none;
}

.copy-btn:active {
  scale: 0.96;
}

.copy-btn svg {
  grid-area: 1 / 1;
  width: 14px;
  height: 14px;
  transition:
    opacity 200ms var(--ease-out),
    scale 200ms var(--ease-out),
    filter 200ms var(--ease-out);
}

.copy-btn .icon-done,
.copy-btn[data-copied] .icon-idle {
  opacity: 0;
  scale: 0.25;
  filter: blur(4px);
}

.copy-btn[data-copied] .icon-done {
  opacity: 1;
  scale: 1;
  filter: blur(0);
}

.copy-btn[data-copied] {
  color: var(--foreground);
}

@media (hover: hover) {
  .copy-btn:hover {
    color: var(--foreground);
    background-color: rgb(0 0 0 / 0.05);
  }
}

/* ---------- Images ---------- */

img.object-cover {
  outline: 1px solid var(--color-image-outline);
  outline-offset: -1px;
}

/* Animated ascii scenes in place of hero photos (assets/js/ascii-hero.js).
   The canvas is sized to whole rows, a little taller than the box, and the
   box crops it from the middle. */
.page-main .hero-ascii {
  display: flex;
  align-items: center;
  overflow: hidden;
  outline: 1px solid var(--color-image-outline);
  outline-offset: -1px;
}

.hero-ascii canvas {
  flex: none;
  width: 100%;
}

/* ---------- Scroll reveal ---------- */

/* Static by default; only hide content when motion is welcome and JS runs. */
html.js section.reveal,
html.js hr.reveal,
html.js article.reveal {
  opacity: 1;
  animation: none;
}

@media (prefers-reduced-motion: no-preference) {
  html.js section.reveal,
  html.js hr.reveal,
  html.js article.reveal {
    opacity: 0;
  }

  html.js section.reveal.visible,
  html.js article.reveal.visible {
    animation: reveal-in var(--duration-enter) var(--ease-out)
      var(--reveal-delay, 0ms) both;
  }

  html.js hr.reveal.visible {
    animation: reveal-fade var(--duration-enter) ease-out
      var(--reveal-delay, 0ms) both;
  }
}

@keyframes reveal-in {
  from {
    opacity: 0;
    transform: translateY(8px);
    filter: blur(4px);
  }

  to {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

@keyframes reveal-fade {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* ---------- Spotify widgets ---------- */

.live-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #16a34a;
}

@media (prefers-reduced-motion: no-preference) {
  .live-dot {
    animation: live-pulse 2s ease-in-out infinite;
  }
}

@keyframes live-pulse {
  50% {
    opacity: 0.35;
  }
}

.fade-img {
  opacity: 0;
  transition: opacity 200ms ease-out;
}

.fade-img[data-loaded] {
  opacity: 1;
}

/* Every artist gets the same width, so the photos sit at even intervals
   however long each name is. A short last row stays centered. */
#spotify-top-artists {
  --artist-gap: 0.5rem;
  --artist-columns: 5;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem var(--artist-gap);
}

#spotify-top-artists > a {
  flex: 0 0
    calc(
      (100% - (var(--artist-columns) - 1) * var(--artist-gap)) /
        var(--artist-columns)
    );
  min-width: 0;
}

#spotify-top-artists > a span {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Loading and error messages span the row. */
#spotify-top-artists > div {
  flex-basis: 100%;
}

@media (max-width: 374px) {
  #spotify-top-artists {
    --artist-columns: 3;
  }
}