:root {
  --bg: #08090b;
  --bg-card: #16181d;
  --bg-raised: #1c1f26;
  --text: #ffffff;
  --text-dim: #9a9ea7;
  --accent: #ff5a1f;
  --correct: #2fb170;
  --wrong: #e5484d;
  --border: #2a2d35;
  --font-head: "Oswald", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-family: var(--font-body);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

.navbar {
  background: #000000;
  border-bottom: 3px solid var(--accent);
  padding: 16px 0;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  font-family: var(--font-head);
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-link:hover {
  color: var(--text);
}

.dropdown {
  position: relative;
}

.dropdown-menu {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 12px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: 4px;
  min-width: 190px;
  padding: 6px;
  z-index: 10;
}

.dropdown.open .dropdown-menu {
  display: block;
}

.dropdown-item {
  display: block;
  padding: 10px 12px;
  border-radius: 2px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
}

.dropdown-item:hover {
  background: var(--bg-raised);
}

.streak {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}

main.wrap {
  flex: 1;
  padding-top: 44px;
  padding-bottom: 60px;
}

h1 {
  font-family: var(--font-head);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  font-size: 2.4rem;
  line-height: 1.05;
  margin-bottom: 12px;
}

.subtitle {
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-top: 0;
  margin-bottom: 28px;
  max-width: 46ch;
}

.hero {
  padding-top: 24px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 44px;
  margin-bottom: 40px;
}

.eyebrow {
  font-family: var(--font-head);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 10px 0;
}

.cta-btn {
  display: inline-block;
  margin-top: 6px;
  background: var(--accent);
  color: #150800;
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 15px 24px;
  border-radius: 2px;
  font-size: 1rem;
}

.cta-btn:hover {
  opacity: 0.9;
}

.challenge-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.link-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0;
}

.link-btn:hover {
  color: var(--text);
}

#challenge-date {
  color: var(--text-dim);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.team-banner {
  border-radius: 4px;
  border-left: 5px solid var(--accent);
  padding: 20px 22px;
  margin-bottom: 20px;
  background: linear-gradient(120deg, var(--team-primary, #1c1f26), var(--team-secondary, #111318));
  color: #fff;
}

.team-banner p {
  margin: 0 0 4px 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.85;
}

.team-banner h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  font-size: 1.7rem;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

.quiz-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 26px;
}

.question-text {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 0;
  margin-bottom: 22px;
}

.choices {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.choice-btn {
  text-align: left;
  padding: 15px 16px;
  border-radius: 3px;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.choice-btn:hover:not(:disabled) {
  border-color: var(--accent);
}

.choice-btn:disabled {
  cursor: default;
}

.choice-btn.correct {
  background: rgba(47, 177, 112, 0.18);
  border-color: var(--correct);
}

.choice-btn.wrong {
  background: rgba(229, 72, 77, 0.18);
  border-color: var(--wrong);
}

.feedback {
  margin-top: 20px;
  font-weight: 600;
  font-size: 1.02rem;
}

.feedback.correct {
  color: var(--correct);
}

.feedback.wrong {
  color: var(--wrong);
}

.already-played {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: 4px;
  padding: 30px 24px;
  text-align: center;
}

.already-played h3 {
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 10px 0;
  font-size: 1.3rem;
}

.already-played p {
  margin: 6px 0;
}

.result-line {
  color: var(--text-dim);
}

.come-back {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  color: var(--text-dim);
  font-size: 0.8rem;
}