/* GitHot shared styles — light default, dark via [data-theme="dark"] */

:root {
  --bg: #eef3f7;
  --bg-elevated: #ffffff;
  --panel: #ffffff;
  --panel-2: #f4f7fa;
  --ink: #15202b;
  --muted: #5b6b7c;
  --accent: #0d9488;
  --accent-deep: #0f766e;
  --warm: #d97706;
  --line: rgba(21, 32, 43, 0.1);
  --shadow: 0 12px 32px rgba(21, 32, 43, 0.08);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --gap: 28px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --tag-lang: #0284c7;
  --tag-paper: #7c3aed;
  --tag-school: #059669;
  --tag-year: #db2777;
  --tag-auto: #0d9488;
  --tag-ai: #ea580c;
  --tag-owner: #4f46e5;
  --growth: #047857;
  --chrome-bg: rgba(255, 255, 255, 0.82);
  --select-bg: #fff;
}

[data-theme="dark"] {
  --bg: #10151c;
  --bg-elevated: #171e28;
  --panel: #171e28;
  --panel-2: #1c2430;
  --ink: #edf2f7;
  --muted: #93a2b3;
  --accent: #2ec4b6;
  --accent-deep: #1a8f85;
  --warm: #f0a35e;
  --line: rgba(237, 242, 247, 0.1);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --tag-lang: #38bdf8;
  --tag-paper: #c4b5fd;
  --tag-school: #34d399;
  --tag-year: #f472b6;
  --tag-auto: #2ec4b6;
  --tag-ai: #fb923c;
  --tag-owner: #a5b4fc;
  --growth: #34d399;
  --chrome-bg: rgba(13, 18, 24, 0.82);
  --select-bg: #0d1218;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  overflow-y: auto;
}

/* Theme switch transition — enabled only while .theme-animating is present */
html.theme-animating,
html.theme-animating body,
html.theme-animating body *,
html.theme-animating body *::before,
html.theme-animating body *::after {
  transition:
    background-color 0.38s var(--ease),
    color 0.38s var(--ease),
    border-color 0.38s var(--ease),
    box-shadow 0.38s var(--ease),
    fill 0.38s var(--ease),
    stroke 0.38s var(--ease),
    opacity 0.38s var(--ease) !important;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
  font-family: var(--font-body);
  color: var(--ink);
  line-height: 1.6;
  background: var(--bg);
}

/* Tech animated background */
.bg-tech {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(900px 480px at 8% -8%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 55%),
    radial-gradient(720px 400px at 92% 0%, color-mix(in srgb, var(--warm) 14%, transparent), transparent 50%),
    radial-gradient(600px 360px at 70% 90%, color-mix(in srgb, var(--tag-lang) 10%, transparent), transparent 55%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg) 88%, #cfe8f0) 0%, var(--bg) 42%, color-mix(in srgb, var(--bg) 92%, #0d9488) 100%);
}

.bg-tech::before {
  content: "";
  position: absolute;
  inset: -20%;
  background-image:
    linear-gradient(color-mix(in srgb, var(--ink) 6%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--ink) 6%, transparent) 1px, transparent 1px);
  background-size: 48px 48px;
  animation: gridDrift 48s linear infinite;
  opacity: 0.45;
}

.bg-tech::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  left: 18%;
  top: 28%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%);
  filter: blur(8px);
  animation: orbFloat 16s ease-in-out infinite;
}

@keyframes gridDrift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-48px, -48px, 0); }
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.7; }
  50% { transform: translate(40px, -30px) scale(1.15); opacity: 1; }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.shell, .wrap {
  width: min(980px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 4rem;
  position: relative;
}

/* Chrome */
.site-chrome {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--chrome-bg);
  backdrop-filter: blur(10px);
  animation: rise 450ms var(--ease) both;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.site-brand img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.9rem;
  flex: 1 1 auto;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.site-nav a:hover { color: var(--ink); }
.site-nav a.is-active {
  color: var(--ink);
  font-weight: 600;
}

.chrome-controls {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.lang-select,
#theme-toggle {
  font: inherit;
  cursor: pointer;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--select-bg);
  color: var(--ink);
  padding: 0.35rem 0.65rem;
  font-size: 0.82rem;
  font-weight: 600;
  min-height: 2.2rem;
}

#theme-toggle {
  width: 2.2rem;
  padding: 0;
  display: grid;
  place-items: center;
}

/* Hero */
.hero {
  margin: 0 0 1.75rem;
  animation: rise 650ms var(--ease) both;
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.55rem;
}

.hero-brand img {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.badge {
  display: inline-block;
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.brand {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0;
}

.slogan {
  margin: 0 0 0.45rem;
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 500;
}

.lede {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  max-width: 44rem;
}

.lede strong { color: var(--ink); font-weight: 600; }

/* Tools / date query */
.tools {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 1.35rem;
  animation: rise 500ms var(--ease) both;
}

.date-query {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.65rem;
  align-items: end;
  flex: 1 1 auto;
}

.date-field { display: grid; gap: 0.25rem; min-width: 4.8rem; }
.date-field span {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.date-query select,
.date-query button {
  font: inherit;
  height: 2.5rem;
  min-height: 2.5rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--select-bg);
  color: var(--ink);
  padding: 0 0.75rem;
}

.date-query button {
  cursor: pointer;
  font-weight: 600;
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 34%, var(--select-bg)), color-mix(in srgb, var(--accent-deep) 42%, var(--select-bg)));
  border-color: color-mix(in srgb, var(--accent) 48%, var(--line));
}

.date-hint { margin: 0; width: 100%; color: var(--warm); font-size: 0.9rem; }

/* Featured */
.featured-section {
  margin: 0 0 1.35rem;
  animation: rise 700ms var(--ease) both;
}

.featured-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.featured-head h2,
.panel-title,
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
  margin: 0;
}

.featured-head a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.85rem;
}

.featured-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem 1.1rem 1.1rem;
  box-shadow: var(--shadow);
}

.featured-card--auto { border-color: color-mix(in srgb, var(--tag-auto) 40%, var(--line)); }
.featured-card--ai { border-color: color-mix(in srgb, var(--tag-ai) 40%, var(--line)); }
.featured-card--owner { border-color: color-mix(in srgb, var(--tag-owner) 40%, var(--line)); }
.featured-card--paper { border-color: color-mix(in srgb, var(--tag-paper) 40%, var(--line)); }

.featured-card__label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.featured-card__title { margin: 0 0 0.35rem; font-size: 1.05rem; }
.featured-card__title a { color: inherit; text-decoration: none; }
.featured-card__title a:hover { color: var(--accent); }
.featured-card__meta { margin: 0 0 0.5rem; color: var(--muted); font-size: 0.88rem; }
.featured-reason { margin: 0; color: var(--ink); font-size: 0.92rem; }
.growth { color: var(--growth); font-weight: 600; }

/* Panels & list rows */
.board { display: grid; gap: 1.25rem; }

.panel {
  background: transparent;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.count-badge {
  color: var(--muted);
  font-size: 0.9rem;
}

.count-badge strong { color: var(--ink); }

.digest-stack,
.weekly-grid,
.list-stack {
  display: grid;
  gap: 0.75rem;
}

/* Horizontal list cards on desktop, vertical on mobile */
.project-row {
  display: grid;
  grid-template-columns: 88px 1fr auto;
  gap: 0.9rem 1rem;
  align-items: start;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.85rem 1rem;
  box-shadow: var(--shadow);
  animation: rise 550ms var(--ease) both;
}

.project-row__thumb {
  width: 88px;
  height: 88px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--panel-2);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.project-row__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.project-row__thumb-fallback {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 0.35rem;
  color: #fff;
  background: linear-gradient(135deg, var(--tag-lang), var(--accent));
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
}

.project-row__body { min-width: 0; }

.project-row__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.55rem;
  margin-bottom: 0.25rem;
}

.project-row__rank {
  font-weight: 700;
  color: var(--warm);
  font-size: 0.95rem;
}

.project-row__title {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.project-row__title a {
  color: inherit;
  text-decoration: none;
}

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

.project-row__intro {
  margin: 0.2rem 0 0.45rem;
  color: var(--muted);
  font-size: 0.9rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-row__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  line-height: 1.2;
}

.tag--lang {
  color: var(--tag-lang);
  background: color-mix(in srgb, var(--tag-lang) 12%, transparent);
  border-color: color-mix(in srgb, var(--tag-lang) 28%, transparent);
}

.tag--paper {
  color: var(--tag-paper);
  background: color-mix(in srgb, var(--tag-paper) 12%, transparent);
  border-color: color-mix(in srgb, var(--tag-paper) 28%, transparent);
}

.tag--school {
  color: var(--tag-school);
  background: color-mix(in srgb, var(--tag-school) 12%, transparent);
  border-color: color-mix(in srgb, var(--tag-school) 28%, transparent);
}

.tag--year {
  color: var(--tag-year);
  background: color-mix(in srgb, var(--tag-year) 12%, transparent);
  border-color: color-mix(in srgb, var(--tag-year) 28%, transparent);
}

.rec-tag,
.tag--auto { color: var(--tag-auto); background: color-mix(in srgb, var(--tag-auto) 12%, transparent); border: 1px solid color-mix(in srgb, var(--tag-auto) 28%, transparent); border-radius: 999px; padding: 0.18rem 0.5rem; font-size: 0.72rem; font-weight: 600; }
.tag--ai, .rec-tag--ai { color: var(--tag-ai); background: color-mix(in srgb, var(--tag-ai) 12%, transparent); border-color: color-mix(in srgb, var(--tag-ai) 28%, transparent); }
.tag--owner, .rec-tag--owner { color: var(--tag-owner); background: color-mix(in srgb, var(--tag-owner) 12%, transparent); border-color: color-mix(in srgb, var(--tag-owner) 28%, transparent); }
.tag--paper, .rec-tag--paper { color: var(--tag-paper); background: color-mix(in srgb, var(--tag-paper) 12%, transparent); border: 1px solid color-mix(in srgb, var(--tag-paper) 28%, transparent); border-radius: 999px; padding: 0.18rem 0.5rem; font-size: 0.72rem; font-weight: 600; }

.project-row__stats {
  display: grid;
  gap: 0.35rem;
  justify-items: end;
  text-align: right;
  min-width: 6.5rem;
}

.project-row__stats .stat__label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.project-row__stats .stat__value {
  font-weight: 700;
  font-size: 0.95rem;
}

.project-row__stats .stat--growth .stat__value { color: var(--growth); }

.read-link {
  display: inline-block;
  margin-top: 0.45rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
}

.read-link:hover { text-decoration: underline; }

.summary-box { display: none; }

/* Ads / footer */
.ad-slot {
  margin: 1rem 0;
  padding: 0.75rem;
  border: 1px dashed var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel) 80%, transparent);
}

.ad-label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.8;
  margin-bottom: 0.35rem;
}

.site-footer,
footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.2rem;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.6rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }

/* Stars page rows */
.star-list { display: grid; gap: 0.55rem; }

.star-row {
  display: grid;
  grid-template-columns: 2.5rem 1fr auto;
  gap: 0.75rem 1rem;
  align-items: center;
  text-decoration: none;
  color: inherit;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  box-shadow: var(--shadow);
}

.star-row:hover { border-color: var(--accent); }
.star-row__rank { font-weight: 700; color: var(--warm); }
.star-row__name { font-weight: 600; display: block; }
.star-row__meta { color: var(--muted); font-size: 0.85rem; display: block; margin-top: 0.15rem; }
.star-row__metrics { display: grid; gap: 0.15rem; justify-items: end; font-size: 0.88rem; }
.star-delta { color: var(--growth); font-weight: 600; }
.star-delta--muted { color: var(--muted); }
.trend--up { color: var(--growth); margin-right: 0.2rem; }
.trend--flat { color: var(--muted); margin-right: 0.2rem; }
.star-row--top-1 { border-color: color-mix(in srgb, #f59e0b 45%, var(--line)); }
.star-row--top-2 { border-color: color-mix(in srgb, #94a3b8 45%, var(--line)); }
.star-row--top-3 { border-color: color-mix(in srgb, #d97706 40%, var(--line)); }

/* Stats / users */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
  margin: 1rem 0 1.5rem;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: var(--shadow);
}

.stat-card h3 { margin: 0 0 0.5rem; font-size: 1rem; }
.lang-bar {
  display: grid;
  grid-template-columns: minmax(7.5rem, 9.5rem) 1fr 3rem;
  gap: 0.55rem;
  align-items: center;
  margin: 0.45rem 0;
  font-size: 0.88rem;
}

.lang-bar__label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-width: 0;
}

.lang-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 6px;
  overflow: hidden;
  background: var(--panel-2);
  border: 1px solid var(--line);
}

.lang-icon img {
  width: 16px;
  height: 16px;
  display: block;
  object-fit: contain;
}

.lang-icon--fallback {
  background: color-mix(in srgb, var(--lang-color, #64748b) 18%, var(--panel-2));
  color: var(--lang-color, #64748b);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.lang-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}

.lang-bar__track {
  height: 8px;
  border-radius: 999px;
  background: var(--panel-2);
  overflow: hidden;
}

.lang-bar__fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--tag-lang));
}

.lang-bar__pct {
  text-align: right;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.user-row {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 0.85rem;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  margin-bottom: 0.55rem;
  box-shadow: var(--shadow);
}

.user-row__avatar {
  display: block;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--line);
  flex-shrink: 0;
  background: var(--panel-2);
}

.user-row__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.user-row__body { min-width: 0; }
.user-row__name { font-weight: 700; margin: 0 0 0.2rem; }
.user-row__name a { color: inherit; text-decoration: none; }
.user-row__name a:hover { color: var(--accent); }
.user-row__meta { margin: 0; color: var(--muted); font-size: 0.88rem; }
.user-row__work { margin: 0.25rem 0 0; font-size: 0.88rem; }
.user-row__work a { color: var(--accent); text-decoration: none; font-weight: 600; }

/* Static article content */
.prose {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.4rem 1.5rem 1.6rem;
  box-shadow: var(--shadow);
}

.prose h2 { font-size: 1.15rem; margin: 1.4rem 0 0.5rem; }
.prose a { color: var(--accent); }

/* Recommendations filters */
.rec-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 1rem;
}

.rec-filters button {
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.rec-filters button.is-active {
  color: var(--ink);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, var(--panel));
}

@media (max-width: 899px) {
  .project-row {
    grid-template-columns: 1fr;
  }

  .project-row__thumb {
    width: 100%;
    height: 160px;
  }

  .project-row__stats {
    justify-items: start;
    text-align: left;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    min-width: 0;
  }

  .tools { flex-direction: column; align-items: stretch; }
  .date-query button { width: 100%; }
  .star-row {
    grid-template-columns: 2rem 1fr;
  }
  .star-row__metrics {
    grid-column: 1 / -1;
    justify-items: start;
    grid-template-columns: repeat(3, auto);
    gap: 0.75rem;
  }
}

@media (min-width: 900px) {
  .project-row {
    grid-template-columns: 88px minmax(0, 1fr) auto;
  }
}