@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&display=swap');

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

:root {
  --bg: #f0ece3;
  --text: #1a1a1a;
  --dim: #999;
  --border: #c8c4bb;
  --hover-bg: #1a1a1a;
  --hover-text: #f0ece3;
  --toggle-bg: #1a1a1a;
  --toggle-text: #f0ece3;
}

[data-theme="dark"] {
  --bg: #141414;
  --text: #e8e4db;
  --dim: #666;
  --border: #2a2a2a;
  --hover-bg: #e8e4db;
  --hover-text: #141414;
  --toggle-bg: #e8e4db;
  --toggle-text: #141414;
}

html {
  font-size: 14px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Mono', monospace;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 2rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background 0.2s, color 0.2s;
  position: relative;
}

/* ── Grain texture ── */

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
}

[data-theme="dark"] body::before {
  opacity: 0.06;
}

/* ── Header ── */

header {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  transition: border-color 0.2s;
}

.header-left {}

.site-name {
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  margin-bottom: 0.4rem;
  transition: color 0.2s;
}

.site-name span {
  color: var(--dim);
}

.site-sub {
  font-size: 0.8rem;
  color: var(--dim);
  transition: color 0.2s;
}

/* ── Theme toggle ── */

.theme-toggle {
  background: var(--toggle-bg);
  color: var(--toggle-text);
  border: none;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

.theme-toggle:hover {
  opacity: 0.8;
}

/* ── Project list ── */

main {
  flex: 1;
}

.project-list {
  display: flex;
  flex-direction: column;
}

.project {
  display: grid;
  grid-template-columns: 2.5rem 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 1rem;
  row-gap: 0.4rem;
  padding: 2.2rem 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: background 0.1s, color 0.1s, border-color 0.2s, padding 0.1s;
  cursor: pointer;
}

.project:hover {
  background: var(--hover-bg);
  color: var(--hover-text);
}

.project:hover .project-num,
.project:hover .project-tag,
.project:hover .project-desc {
  color: rgba(128,128,128,0.5);
}

.project-num {
  font-size: 0.72rem;
  color: var(--dim);
  padding-top: 0.15rem;
  grid-row: 1;
  grid-column: 1;
  transition: color 0.1s;
}

.project-name {
  font-size: 1.15rem;
  font-weight: 500;
  grid-row: 1;
  grid-column: 2;
  transition: color 0.1s;
}

.project-tag {
  font-size: 0.72rem;
  color: var(--dim);
  grid-row: 1;
  grid-column: 3;
  text-align: right;
  padding-top: 0.2rem;
  transition: color 0.1s;
  white-space: nowrap;
}

.project-desc {
  font-size: 0.82rem;
  color: var(--dim);
  grid-row: 2;
  grid-column: 2 / 4;
  line-height: 1.6;
  transition: color 0.1s;
}

.project-arrow {
  display: none;
}

/* ── WIP card ── */

.project-wip {
  opacity: 0.4;
  cursor: default;
  pointer-events: none;
}

.wip-tag {
  font-size: 0.65rem;
  color: var(--dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-left: 0.5rem;
  border: 1px solid var(--border);
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  vertical-align: middle;
}

/* ── Footer ── */

footer {
  padding: 2.5rem 0 3rem;
  display: flex;
  gap: 2rem;
  align-items: center;
  transition: border-color 0.2s;
}

footer a,
footer span {
  font-size: 0.78rem;
  color: var(--dim);
  text-decoration: none;
  transition: color 0.15s;
}

footer a:hover {
  color: var(--text);
}

.email {
  margin-left: auto;
}

/* ── Responsive ── */

@media (max-width: 600px) {
  .project {
    grid-template-columns: 2rem 1fr;
  }

  .project-tag {
    display: none;
  }

  .project-desc {
    grid-column: 2;
  }

  header {
    padding: 2.5rem 0 2rem;
    align-items: flex-start;
    flex-direction: column;
    gap: 1.5rem;
  }
}