@font-face {
  font-family: "Silkscreen";
  font-style: normal;
  font-weight: 400;
  font-display: block;
  src: url("assets/fonts/silkscreen-400-latin-ext.woff2") format("woff2");
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Silkscreen";
  font-style: normal;
  font-weight: 400;
  font-display: block;
  src: url("assets/fonts/silkscreen-400-latin.woff2") format("woff2");
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Silkscreen";
  font-style: normal;
  font-weight: 700;
  font-display: block;
  src: url("assets/fonts/silkscreen-700-latin-ext.woff2") format("woff2");
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Silkscreen";
  font-style: normal;
  font-weight: 700;
  font-display: block;
  src: url("assets/fonts/silkscreen-700-latin.woff2") format("woff2");
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Azeret Mono";
  font-style: normal;
  font-weight: 300 500;
  font-display: block;
  src: url("assets/fonts/azeret-mono-latin-ext.woff2") format("woff2");
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Azeret Mono";
  font-style: normal;
  font-weight: 300 500;
  font-display: block;
  src: url("assets/fonts/azeret-mono-latin.woff2") format("woff2");
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Skip link ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-lg);
  z-index: 999;
  background: var(--accent);
  color: var(--bg);
  font-family: "Silkscreen", monospace;
  font-size: 0.7rem;
  padding: 0.5rem 1rem;
  text-decoration: none;
  text-transform: lowercase;
  letter-spacing: 0.08em;
}
.skip-link:focus {
  top: var(--space-sm);
}

/* ── Global focus styles ── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
a:focus-visible,
button:focus-visible,
details > summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

#bgm-toggle {
  position: fixed;
  top: 1.2rem;
  right: 1.2rem;
  z-index: 100;
  isolation: isolate;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: "Silkscreen", monospace;
  font-size: 0.7rem;
  padding: 0.3rem 0.6rem;
  cursor: pointer;
  letter-spacing: 0.05em;
  opacity: 0.7;
  transition: opacity 0.2s;
}
#bgm-toggle:hover {
  opacity: 1;
}
#bgm-toggle[aria-pressed="true"] {
  background: color-mix(in oklch, var(--accent) 12%, transparent);
}

:root {
  --accent: oklch(72% 0.18 195);
  --accent-dim: oklch(55% 0.14 195);
  --bg: oklch(10% 0.012 195);
  --bg-card: oklch(13% 0.015 195);
  --bg-card-hover: oklch(16% 0.018 195);
  --border: oklch(22% 0.018 195);
  --border-strong: oklch(32% 0.025 195);
  --text: oklch(88% 0.01 195);
  --text-dim: oklch(55% 0.015 195);
  --text-tag: oklch(65% 0.02 195);

  --lang-ts: oklch(65% 0.18 260);
  --lang-go: oklch(68% 0.17 205);
  --lang-kotlin: oklch(62% 0.2 300);

  --star-color: oklch(78% 0.15 75);
  --status-green: oklch(72% 0.2 145);
  --lightbox-bg: oklch(5% 0.01 195 / 0.92);
  --border-canvas: oklch(22% 0.018 195 / 0.6);
  --scanline: oklch(0% 0 0 / 0.025);
  --accent-hue: 195;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;

  --pixel-size: 20px;

  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Azeret Mono", monospace;
  font-weight: 300;
  line-height: 1.65;
  min-height: 100dvh;
  overflow-x: hidden;
  position: relative;
}

/* CRT scanlines */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    var(--scanline) 2px,
    var(--scanline) 4px
  );
}

/* Pixel grid canvas background */
#grid-canvas {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  pointer-events: none;
}

main {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg) calc(var(--space-2xl) + 480px);
}

/* ── Header ── */
.site-header {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg) 0;
  display: flex;
  align-items: flex-start;
  gap: var(--space-xl);
}

.pixel-avatar {
  flex-shrink: 0;
  width: 6.25rem;
  height: 6.25rem;
  image-rendering: pixelated;
  outline: 2px solid var(--border-strong);
  outline-offset: 3px;
  position: relative;
}

.pixel-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  image-rendering: pixelated;
  filter: saturate(0.7) contrast(1.1);
}

.pixel-avatar::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(
      transparent 75%,
      color-mix(in oklch, var(--bg) 60%, transparent) 75%
    ),
    linear-gradient(
      90deg,
      transparent 75%,
      color-mix(in oklch, var(--bg) 60%, transparent) 75%
    );
  background-size: 4px 4px;
  pointer-events: none;
}

.header-text h1 {
  font-family: "Silkscreen", monospace;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.01em;
  line-height: 1.1;
  text-shadow: 0 0 24px color-mix(in oklch, var(--accent) 30%, transparent);
}

.tagline {
  color: var(--text-dim);
  font-size: 0.875rem;
  margin-top: var(--space-xs);
  letter-spacing: 0.01em;
}

.header-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.header-links a {
  font-family: "Silkscreen", monospace;
  font-size: 0.7rem;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  padding: 0.75rem 1rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  transition:
    color 0.15s,
    border-color 0.15s;
}

.header-links a:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
}

/* ── Section label ── */
.section-label {
  font-family: "Silkscreen", monospace;
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

/* ── Projects grid ── */
.projects {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.projects .section-label {
  grid-column: 1 / -1;
}

/* ── Card ── */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  position: relative;
  transition:
    border-color 0.2s,
    background 0.2s;
  cursor: default;
}

/* Pixel corner accents */
.project-card::before,
.project-card::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.2s;
}

.project-card::before {
  top: -1px;
  left: -1px;
}

.project-card::after {
  bottom: -1px;
  right: -1px;
}

.project-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
}

.project-card:hover::before,
.project-card:hover::after {
  opacity: 1;
}

.project-card.featured {
  border-color: var(--border-strong);
}

.project-card.featured::before,
.project-card.featured::after {
  opacity: 0.6;
}

.card-inner {
  padding: var(--space-lg) var(--space-xl);
}

.project-card.featured .card-inner {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
}

.project-card.featured .card-meta {
  grid-column: 1;
  grid-row: 1;
}

.project-card.featured h3 {
  grid-column: 1;
  grid-row: 2;
}

.project-card.featured p {
  grid-column: 1;
  grid-row: 3;
}

.project-card.featured .card-tags {
  grid-column: 1;
  grid-row: 4;
}

/* ── Card meta ── */
.card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.lang-dot {
  width: 10px;
  height: 10px;
  display: inline-block;
  flex-shrink: 0;
  image-rendering: pixelated;
  position: relative;
}

/* Pixelated dot using clip-path */
.lang-dot[data-lang="typescript"] {
  background: var(--lang-ts);
  clip-path: polygon(
    2px 0,
    calc(100% - 2px) 0,
    100% 2px,
    100% calc(100% - 2px),
    calc(100% - 2px) 100%,
    2px 100%,
    0 calc(100% - 2px),
    0 2px
  );
}
.lang-dot[data-lang="go"] {
  background: var(--lang-go);
  clip-path: polygon(
    2px 0,
    calc(100% - 2px) 0,
    100% 2px,
    100% calc(100% - 2px),
    calc(100% - 2px) 100%,
    2px 100%,
    0 calc(100% - 2px),
    0 2px
  );
}
.lang-dot[data-lang="kotlin"] {
  background: var(--lang-kotlin);
  clip-path: polygon(
    2px 0,
    calc(100% - 2px) 0,
    100% 2px,
    100% calc(100% - 2px),
    calc(100% - 2px) 100%,
    2px 100%,
    0 calc(100% - 2px),
    0 2px
  );
}

.lang-label {
  font-family: "Silkscreen", monospace;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
}

.stars {
  margin-left: auto;
  font-family: "Silkscreen", monospace;
  font-size: 0.6rem;
  color: var(--star-color);
  letter-spacing: 0.05em;
}

/* ── Card heading ── */
.project-card h3 {
  font-family: "Silkscreen", monospace;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.project-card.featured h3 {
  font-size: 1.5rem;
}

.project-card h3 a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.15s;
}

.project-card h3 a:hover {
  color: var(--accent);
}

/* ── Card body ── */
.project-card p {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: var(--space-md);
  max-width: 65ch;
  line-height: 1.7;
}

/* ── Tags ── */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.card-tags span {
  font-family: "Silkscreen", monospace;
  font-size: 0.55rem;
  color: var(--text-tag);
  letter-spacing: 0.06em;
  padding: 0.125rem 0.375rem;
  border: 1px solid var(--border);
  text-transform: lowercase;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .site-header {
    gap: var(--space-lg);
  }

  .card-inner {
    padding: var(--space-md) var(--space-lg);
  }
}

@media (max-width: 600px) {
  .site-header {
    flex-direction: column;
    gap: var(--space-lg);
    align-items: center;
    text-align: center;
  }

  .header-links {
    justify-content: center;
  }

  .project-card.featured .card-inner {
    display: block;
  }

  .card-inner {
    padding: var(--space-md);
  }

  .screenshots-strip img,
  .screenshot-btn img {
    height: 130px;
  }

  #lightbox-img {
    max-width: 95vw;
    max-height: 80vh;
  }
}

/* ── Screenshot accordion ── */
.card-screenshots {
  margin-top: var(--space-md);
  border-top: 1px solid var(--border);
  padding-top: var(--space-md);
}

.card-screenshots summary {
  font-family: "Silkscreen", monospace;
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  cursor: pointer;
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-height: 44px;
  transition: color 0.15s;
}

.card-screenshots summary::-webkit-details-marker {
  display: none;
}

.card-screenshots summary::before {
  content: "▶" / "";
  font-size: 0.5rem;
  transition: transform 0.15s;
  display: inline-block;
}

.card-screenshots[open] summary::before {
  transform: rotate(90deg);
}

.card-screenshots summary:hover {
  color: var(--accent);
}

.screenshots-strip {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  padding-top: var(--space-md);
  padding-bottom: var(--space-xs);
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.screenshots-strip {
  flex-shrink: 0;
  background: none;
  border: none;
  padding: 0;
  cursor: zoom-in;
  display: block;
  line-height: 0;
}

.screenshot-btn img {
  height: 180px;
  width: auto;
  display: block;
  border: 1px solid var(--border);
  image-rendering: auto;
  transition: border-color 0.15s;
}

.screenshot-btn:hover img,
.screenshot-btn:focus-visible img {
  border-color: var(--accent-dim);
}

/* ── Lightbox ── */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--lightbox-bg);
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

#lightbox.open {
  display: flex;
}

#lightbox-img {
  max-width: min(90vw, 1200px);
  max-height: 85vh;
  width: auto;
  height: auto;
  display: block;
  border: 1px solid var(--border-strong);
  image-rendering: auto;
}

#lightbox-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: "Silkscreen", monospace;
  font-size: 1.2rem;
  width: 44px;
  height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    color 0.15s,
    border-color 0.15s;
  line-height: 1;
}

#lightbox-close:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
}

/* ── Pixel cursor trail (JS-driven) ── */
.pixel-trail {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  width: 6px;
  height: 6px;
  background: var(--accent);
  opacity: 0;
  image-rendering: pixelated;
  box-shadow: 0 0 4px var(--accent);
}

/* ── Footer ── */
.site-footer {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
  font-family: "Silkscreen", monospace;
  font-size: 0.6rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

.site-footer a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.15s;
}

.site-footer a:hover {
  color: var(--accent);
}

.footer-sep {
  opacity: 0.4;
}

.footer-status {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.status-dot {
  width: 6px;
  height: 6px;
  background: var(--status-green);
  display: inline-block;
  animation: pulse-status 2s ease-in-out infinite;
}

@keyframes pulse-status {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

/* ── Lightning flash ── */
@keyframes bolt-flash {
  0% {
    filter: brightness(1);
  }
  5% {
    filter: brightness(1.6) saturate(0.7);
  }
  15% {
    filter: brightness(1.25) saturate(0.85);
  }
  35% {
    filter: brightness(1.08);
  }
  100% {
    filter: brightness(1);
  }
}

body.lightning-flash {
  animation: bolt-flash 380ms ease-out forwards;
}