/* ===== GitHub Radar — رادار GitHub ===== */

:root {
  --bg: #0d1117;
  --bg-2: #10161f;
  --card: #141b24;
  --card-hi: #1a222c;
  --border: #232c38;
  --border-hi: #303d4d;
  --text: #e6edf3;
  --muted: #8b98a9;
  --accent: #2dd4bf;
  --accent-soft: rgba(45, 212, 191, .12);
  --star: #f0b429;
  --shadow: 0 8px 30px rgba(0, 0, 0, .35);
  --font: "IBM Plex Sans Arabic", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f7fa;
    --bg-2: #ffffff;
    --card: #ffffff;
    --card-hi: #fafbfc;
    --border: #e3e8ee;
    --border-hi: #cfd7e0;
    --text: #182029;
    --muted: #5a6673;
    --accent: #0d9488;
    --accent-soft: rgba(13, 148, 136, .10);
    --star: #d99400;
    --shadow: 0 6px 22px rgba(20, 30, 45, .10);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* تبديل لغة الشرح مع زر AR/EN */
html[lang="ar"] .lx-en { display: none; }
html[lang="en"] .lx-ar { display: none; }

body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(1100px 460px at 50% -180px, var(--accent-soft), transparent 70%),
    var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .85rem clamp(1rem, 4vw, 2.5rem);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: .2px;
}
.brand-mark {
  width: 22px; height: 22px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  position: relative;
  overflow: hidden;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 0;
  background: conic-gradient(from 0deg, transparent 0 290deg, var(--accent-soft) 330deg, var(--accent) 360deg);
  animation: sweep 3.4s linear infinite;
}
.brand-mark::before {
  content: "";
  position: absolute; inset: 0; margin: auto;
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--accent); z-index: 1;
}
@keyframes sweep { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .brand-mark::after { animation: none; } }

.lang-btn {
  font-family: var(--mono);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  padding: .4rem .85rem;
  border-radius: 8px;
  transition: border-color .15s, color .15s;
}
.lang-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Hero ---------- */
.hero {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(2.4rem, 7vw, 4.2rem) 1.25rem 1.5rem;
  text-align: center;
}
.hero-title {
  margin: 0 0 .7rem;
  font-size: clamp(1.7rem, 4.6vw, 2.7rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.4px;
}
.hero-sub {
  margin: 0 auto;
  max-width: 560px;
  color: var(--muted);
  font-size: clamp(1rem, 2.4vw, 1.12rem);
}
.hero-row {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: .8rem 1.4rem;
}
.countdown {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .45rem .9rem;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 999px;
}
.cd-label { font-size: .82rem; color: var(--muted); }
.cd-time {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--accent);
  min-width: 3.4ch;
  text-align: center;
}
.stats {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .9rem;
  color: var(--muted);
}
.stats strong { color: var(--text); }
.stats .mono { font-family: var(--mono); font-size: .82rem; }
.stats .sep { opacity: .5; }

/* ---------- Controls ---------- */
.controls {
  max-width: 1080px;
  margin: 1.4rem auto 0;
  padding: 0 clamp(1rem, 4vw, 2rem);
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  align-items: center;
  justify-content: space-between;
}
.filters { display: flex; gap: .5rem; }
.filter-btn {
  font-family: inherit;
  font-size: .92rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  padding: .5rem 1.1rem;
  border-radius: 999px;
  transition: all .15s;
}
.filter-btn:hover { border-color: var(--border-hi); }
.filter-btn.active {
  background: var(--accent);
  color: #04201c;
  border-color: var(--accent);
}
.fav-count {
  font-family: var(--mono);
  font-size: .78rem;
  opacity: .85;
}
.search-box {
  flex: 1 1 240px;
  max-width: 340px;
  font-family: inherit;
  font-size: .95rem;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .6rem 1rem;
  transition: border-color .15s;
}
.search-box::placeholder { color: var(--muted); }
.search-box:focus { outline: none; border-color: var(--accent); }

.notice {
  max-width: 640px;
  margin: 1.4rem auto 0;
  padding: 1.1rem 1.4rem;
  text-align: center;
  color: var(--muted);
  background: var(--card);
  border: 1px dashed var(--border-hi);
  border-radius: 14px;
}

/* ---------- Grid + cards ---------- */
.grid {
  max-width: 1080px;
  margin: 1.5rem auto 3rem;
  padding: 0 clamp(1rem, 4vw, 2rem);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 1.15rem;
  align-items: start;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.25rem 1.35rem;
  transition: border-color .18s, transform .18s, box-shadow .18s;
}
.card:hover {
  border-color: var(--border-hi);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .75rem;
}
.repo-name {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 600;
  word-break: break-word;
  line-height: 1.4;
}
.repo-name a { text-decoration: none; }
.repo-name a:hover { color: var(--accent); }

.fav-btn {
  flex: 0 0 auto;
  cursor: pointer;
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 9px;
  transition: all .15s;
}
.fav-btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.fav-btn:hover { color: var(--accent); border-color: var(--accent); }
.fav-btn.saved { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.fav-btn.saved svg { fill: currentColor; stroke: currentColor; }

.tagline {
  margin: .7rem 0 .85rem;
  color: var(--text);
  font-size: .96rem;
}
.badge-new {
  display: inline-block;
  font-family: var(--mono);
  font-size: .66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  padding: .06rem .45rem;
  border-radius: 999px;
  vertical-align: middle;
  margin-inline-start: .3rem;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1rem;
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--muted);
}
.meta .cat {
  font-size: .68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .4px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: .08rem .5rem;
  border-radius: 6px;
}
.meta .stars { color: var(--star); }
.meta .lang { display: inline-flex; align-items: center; gap: .4rem; }
.meta .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); display: inline-block;
}

.details-toggle {
  margin-top: 1rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  font-family: inherit;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .55rem;
  transition: background .15s, border-color .15s;
}
.details-toggle:hover { background: var(--accent-soft); border-color: var(--accent); }
.details-toggle .chev {
  font-style: normal;
  transition: transform .25s;
  display: inline-block;
}
.card.open .details-toggle .chev { transform: rotate(180deg); }

.details {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}
.card.open .details { max-height: 1600px; }
.details .sec { margin-top: 1.1rem; }
.details .sec:first-child { margin-top: 1.3rem; }
.details h4 {
  margin: 0 0 .3rem;
  font-size: .82rem;
  font-weight: 700;
  color: var(--accent);
  padding-inline-start: .6rem;
  border-inline-start: 2px solid var(--accent);
}
.details p { margin: 0; color: var(--text); font-size: .95rem; }
.details .pending { color: var(--muted); margin-top: 1.2rem; font-size: .92rem; }

.btn-gh {
  display: inline-block;
  margin-top: 1.15rem;
  font-size: .88rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--muted);
  transition: color .15s;
}
.btn-gh:hover { color: var(--accent); }

/* ---------- Footer ---------- */
.site-foot {
  border-top: 1px solid var(--border);
  padding: 2rem 1.25rem 2.6rem;
  text-align: center;
  color: var(--muted);
}
.foot-auto { margin: 0 0 .5rem; font-size: .86rem; }
.foot-by { margin: 0; font-size: .92rem; }
.foot-by a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}
.foot-by a:hover { text-decoration: underline; }