:root {
  --clr-bg: #0f1115;
  --clr-surface: #171a21;
  --clr-surface-2: #1e232d;
  --clr-text: #e6e8ef;
  --clr-muted: #a2a8b7;
  --clr-primary: #e31e24; /* Kurdish flag red */
  --clr-secondary: #009e49; /* Kurdish flag green */
  --clr-accent: #f9cf00; /* Kurdish flag yellow */
  --clr-link: #7ab7ff;
  --clr-blue: #1e88e5;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-1: 0 6px 20px rgba(0,0,0,0.25);
  --shadow-2: 0 12px 30px rgba(0,0,0,0.35);
  --maxw: 1200px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: "Roboto", system-ui, -apple-system, Segoe UI, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--clr-link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(23, 26, 33, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.4px;
}

.brand .logo {
  width: 28px;
  height: 28px;
  border-radius: 0;
  background: url('../img/logo.png') center/contain no-repeat transparent;
}

.brand .title {
  font-size: 1.05rem;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 999px;
}

.nav-links a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--clr-text);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active { background: rgba(255,255,255,0.06); }

.nav-links a::after { display:none; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Promote Calendar button visually */
.nav-actions .btn.secondary {
  font-weight: 800;
  border-color: rgba(98,166,255,0.45);
  background: linear-gradient(180deg, rgba(98,166,255,0.22), rgba(98,166,255,0.06));
}

/* Search */
.search {
  position: relative;
}

.search input[type="search"] {
  width: min(340px, 60vw);
  background: var(--clr-surface-2);
  color: var(--clr-text);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 10px 12px;
  border-radius: 999px;
  outline: none;
}

.search-results {
  position: absolute;
  top: 110%;
  left: 0;
  right: 0;
  background: var(--clr-surface);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.search-results .item {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  cursor: pointer;
}

.search-results .item:last-child { border-bottom: none; }
.search-results .item:hover, .search-results .item.active { background: var(--clr-surface-2); }

/* Hero */
.hero {
  padding: 72px 0 42px;
  background:
    radial-gradient(1200px 600px at 10% -20%, rgba(227,30,36,0.25), transparent 40%),
    radial-gradient(900px 500px at 100% 10%, rgba(249,207,0,0.25), transparent 40%),
    radial-gradient(900px 500px at 70% -20%, rgba(0,158,73,0.25), transparent 40%),
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin: 0 0 10px;
}

.hero p { color: var(--clr-muted); margin: 0; max-width: 70ch; }

.hero .cta { display:flex; gap:10px; margin-top:16px; }
.hero .cta .btn { padding: 12px 18px; font-weight: 700; }
.hero .cta .btn.primary { background: linear-gradient(180deg, rgba(227,30,36,0.28), rgba(227,30,36,0.08)); }
.hero .cta .btn.secondary { background: linear-gradient(180deg, rgba(0,158,73,0.28), rgba(0,158,73,0.08)); }

/* Cards grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.card {
  background: linear-gradient(180deg, var(--clr-surface), var(--clr-surface-2));
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-1);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
  border-color: rgba(255,255,255,0.12);
}

.card .card-title {
  font-weight: 700;
  margin: 0 0 6px;
}

.card .card-text { color: var(--clr-muted); }

/* Uniform game previews */
.game-preview { width: 100%; height: 160px; object-fit: cover; border-radius: 8px; display: block; }

/* Featured cards with images (home) */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}

.feature-card {
  display: block;
  background: #ffffff;
  color: #0f1115;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.06);
  text-decoration: none;
  transform: translateZ(0);
  position: relative;
}

.feature-card .thumb {
  display: block;
  width: 100%;
  height: 160px;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.feature-card .label {
  background: var(--clr-blue);
  color: #ffffff;
  font-weight: 800;
  letter-spacing: 0.2px;
  text-align: center;
  padding: 12px 10px;
}

.feature-card:hover .thumb { transform: scale(1.04); }
.feature-card:focus-visible { outline: 3px solid var(--clr-accent); outline-offset: 3px; }

/* Theme coloring per category */
.feature-card[data-theme="history"] .label { background: #1565c0; }
.feature-card[data-theme="culture"] .label { background: #8e24aa; }
.feature-card[data-theme="geography"] .label { background: #2e7d32; }
.feature-card[data-theme="politics"] .label { background: #c62828; }
.feature-card[data-theme="organizations"] .label { background: #00695c; }
.feature-card[data-theme="biographies"] .label { background: #6d4c41; }
.feature-card[data-theme="quizzes"] .label { background: #1e88e5; }
.feature-card[data-theme="games"] .label { background: #f9a825; color: #111; }

/* Page hero banners */
.page-hero {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: var(--shadow-1);
  margin: 14px 0 18px;
}
.page-hero .media {
  width: 100%;
  height: clamp(150px, 34vh, 240px);
  background-size: cover;
  background-position: center;
  filter: saturate(1.05);
}
.page-hero .overlay {
  position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0.15), rgba(0,0,0,0.45));
}
.page-hero .content {
  position: absolute; left: 16px; right: 16px; bottom: 16px;
}
.pills { display:flex; flex-wrap:wrap; gap:8px; margin-top:8px; }
.pill { padding:6px 10px; background: var(--clr-surface-2); border:1px solid rgba(255,255,255,0.08); border-radius: 999px; color: var(--clr-text); font-size: 0.9rem; text-decoration:none; }
.pill:hover { background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02)); text-decoration: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.1);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  color: var(--clr-text);
  cursor: pointer;
}

.btn.primary { border-color: rgba(227,30,36,0.4); background: linear-gradient(180deg, rgba(227,30,36,0.2), rgba(227,30,36,0.05)); }
.btn.secondary { border-color: rgba(0,158,73,0.4); background: linear-gradient(180deg, rgba(0,158,73,0.2), rgba(0,158,73,0.05)); }

/* Layout with sidebar */
.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
}

.layout.single { grid-template-columns: 1fr; }
.layout.single aside.sidebar { display: none; }

aside.sidebar {
  position: sticky;
  top: 76px;
  align-self: start;
  background: var(--clr-surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 14px;
  max-height: calc(100vh - 100px);
  overflow: auto;
}

.toc {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc li { margin: 6px 0; }
.toc a { color: var(--clr-text); opacity: 0.8; }
.toc a.active { color: var(--clr-accent); opacity: 1; }

/* Article content */
.content {
  background: var(--clr-surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 20px;
  max-width: 900px; /* center narrower reading width */
  justify-self: center;
}

.content h1 { margin-top: 0; }
.content h2 { margin-top: 28px; }
.content h3 { margin-top: 16px; }
.content h2, .content h3 { scroll-margin-top: 84px; }

/* Collapsible via <details> */
details.collapsible {
  background: var(--clr-surface-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin: 12px 0;
}

details.collapsible[open] {
  background: linear-gradient(180deg, var(--clr-surface-2), var(--clr-surface));
}

details.collapsible summary {
  cursor: pointer;
  list-style: none;
}

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

details.collapsible summary .summary-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

details.collapsible summary .chevron {
  transition: transform 0.2s ease;
}

details.collapsible[open] summary .chevron { transform: rotate(90deg); }

/* Quiz */
.quiz {
  display: grid;
  gap: 16px;
}

.quiz .question {
  background: var(--clr-surface-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 14px;
}

.quiz .answers { display: grid; gap: 8px; margin-top: 10px; }

.progress {
  height: 10px;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  overflow: hidden;
}

.progress .bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent), var(--clr-secondary));
  transition: width 0.3s ease;
}

/* Quiz UI */
.quiz-start {
  display: grid;
  gap: 12px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--clr-muted);
  font-size: 12px;
}
.topic-card {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr auto;
  align-items: center;
  background: linear-gradient(180deg, var(--clr-surface), var(--clr-surface-2));
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 12px;
}
.topic-card .meta { color: var(--clr-muted); font-size: 0.9rem; }
.answers .btn { width: 100%; justify-content: flex-start; text-align: left; }
.answers .btn.correct { border-color: rgba(0,158,73,0.6); }
.answers .btn.incorrect { border-color: rgba(227,30,36,0.6); }
.result-badge { display:inline-block; padding:6px 10px; border-radius:999px; border:1px solid rgba(255,255,255,0.08); }

/* Footer */
footer {
  margin-top: 40px;
  padding: 24px 0 40px;
  color: var(--clr-muted);
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* Biographies */
.bio-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:12px; }
.bio-card .portrait { height: 140px; border-radius: 8px; background: linear-gradient(135deg, #2a2f3a, #1e232d); border:1px solid rgba(255,255,255,0.08); display:flex; align-items:center; justify-content:center; color: var(--clr-muted); font-weight:700; letter-spacing:0.3px; text-align:center; padding:8px; }
.bio-card .meta { color: var(--clr-muted); font-size: 0.9rem; }
.bio-card .bullets { margin: 8px 0 10px; padding-left: 18px; }
.bio-card .btn { display: none; }

/* Focus visibility for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 2px;
}

/* Page transitions */
body { opacity: 0; }
body.page-loaded { opacity: 1; transition: opacity 0.35s ease; }
body.page-out { opacity: 0; transition: opacity 0.2s ease; }

/* Lock body scroll when mobile nav is open */
body.nav-locked { overflow: hidden; height: 100vh; }

/* Mobile hamburger and drawer */
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.08);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.hamburger:hover { box-shadow: 0 6px 18px rgba(0,0,0,0.35); border-color: rgba(255,255,255,0.12); }

.hamburger span { display:block; width: 20px; height: 2px; background: var(--clr-text); border-radius: 2px; transition: transform 0.2s ease, opacity 0.2s ease, background-color 0.2s ease; }

.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: none;
  z-index: 1200;
}

.mobile-nav.open { display: block; }

.mobile-nav .panel {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: min(86vw, 340px);
  background: var(--clr-surface);
  border-left: 1px solid rgba(255,255,255,0.06);
  padding: 14px;
  box-shadow: var(--shadow-2);
  transform: translateX(8px);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.mobile-nav.open .panel { transform: translateX(0); opacity: 1; }

.mobile-links { display: block; margin-top: 6px; }
.mobile-links a {
  display: block;
  padding: 12px 16px;
  color: var(--clr-text);
  font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.2s ease, color 0.2s ease;
}
.mobile-links a:hover { color: var(--clr-accent); background: rgba(255,255,255,0.02); }
.mobile-nav.open .mobile-links a { opacity: 1; transform: translateY(0); }
.mobile-nav.open .mobile-links a:nth-child(1) { transition-delay: .00s; }
.mobile-nav.open .mobile-links a:nth-child(2) { transition-delay: .05s; }
.mobile-nav.open .mobile-links a:nth-child(3) { transition-delay: .10s; }
.mobile-nav.open .mobile-links a:nth-child(4) { transition-delay: .15s; }
.mobile-nav.open .mobile-links a:nth-child(5) { transition-delay: .20s; }
.mobile-nav.open .mobile-links a:nth-child(6) { transition-delay: .25s; }
.mobile-nav.open .mobile-links a:nth-child(7) { transition-delay: .30s; }
.mobile-nav.open .mobile-links a:nth-child(8) { transition-delay: .35s; }

/* Responsive */
@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  aside.sidebar { position: relative; top: 0; max-height: none; }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .hero { padding-top: 34px; }
  .hamburger { display: inline-flex; }
  .content { padding: 16px; }
  .page-hero .content { left: 12px; right: 12px; bottom: 12px; }
  .pills { gap: 6px; }
  /* Mobile-optimized header layout */
  .navbar-inner { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 8px; padding: 10px 0; }
  .brand { min-width: 0; gap: 8px; }
  .brand .title { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 56vw; font-size: 0.95rem; }
  .nav-actions { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr auto; gap: 8px; }
  .nav-actions .search { width: 100%; }
  .nav-actions .search input[type="search"] { width: 100%; }
  #random-article { display: none; }
  /* Convert drawer to dropdown-style sheet on phones */
  .mobile-nav .panel { left: 0; right: 0; top: 58px; bottom: auto; width: auto; border-left: none; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); box-shadow: 0 10px 30px rgba(0,0,0,0.4); transform: translateY(-8px); }
  .mobile-nav.open .panel { transform: translateY(0); opacity: 1; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  body, body.page-loaded, body.page-out { opacity: 1 !important; }
}