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

:root {
  --bg: #0d0b14;
  --bg-card: #17131f;
  --bg-card2: #1e1830;
  --border: #2e2545;
  --text: #efe9dc;
  --muted: #9a8fb0;
  --fire: #ff9e2c;
  --fire2: #ff5e3a;
  --green: #7dde6a;
  --red: #ff5470;
  --heading: 'Rubik Mono One', monospace;
}

html { -webkit-text-size-adjust: 100%; }

body {
  background: radial-gradient(ellipse at 50% 120%, #241531 0%, var(--bg) 60%);
  min-height: 100vh;
  color: var(--text);
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  overflow-x: hidden;
}

.stars {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    radial-gradient(1px 1px at 20% 30%, #fff8 50%, transparent 51%),
    radial-gradient(1px 1px at 70% 15%, #fff6 50%, transparent 51%),
    radial-gradient(2px 2px at 85% 40%, #fff5 50%, transparent 51%),
    radial-gradient(1px 1px at 40% 10%, #fff7 50%, transparent 51%),
    radial-gradient(1px 1px at 10% 60%, #fff4 50%, transparent 51%),
    radial-gradient(2px 2px at 55% 25%, #fff4 50%, transparent 51%),
    radial-gradient(1px 1px at 90% 70%, #fff3 50%, transparent 51%);
}

.music-toggle {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 10;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg-card);
  font-size: 20px;
  cursor: pointer;
  transition: border-color .2s, transform .1s;
}
.music-toggle:hover { border-color: var(--fire); transform: scale(1.08); }

.screen {
  display: none;
  position: relative; z-index: 1;
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}
.screen.active { display: block; }

/* ---------- главная ---------- */

.hero { text-align: center; padding: 24px 0 8px; }
.campfire {
  font-size: 64px;
  animation: flicker 1.6s infinite alternate;
  filter: drop-shadow(0 0 24px #ff9e2c88);
}
@keyframes flicker {
  0% { transform: scale(1) rotate(-2deg); }
  50% { transform: scale(1.06) rotate(1deg); }
  100% { transform: scale(0.98) rotate(-1deg); }
}
h1 {
  font-family: var(--heading);
  font-size: clamp(26px, 7vw, 40px);
  line-height: 1.25;
  margin: 12px 0 8px;
  background: linear-gradient(180deg, var(--fire) 30%, var(--fire2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.subtitle { color: var(--muted); font-size: 14px; }

.name-box { margin: 28px 0 20px; }
.name-box label {
  display: block; font-size: 12px; text-transform: uppercase;
  letter-spacing: 2px; color: var(--muted); margin-bottom: 8px;
}
.name-box input {
  width: 100%;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--text);
  font-family: inherit;
  font-size: 18px;
  outline: none;
  transition: border-color .2s;
}
.name-box input:focus { border-color: var(--fire); }

.quiz-list { display: grid; gap: 14px; }
.quiz-card {
  background: linear-gradient(160deg, var(--bg-card2), var(--bg-card));
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  display: flex; gap: 14px; align-items: center;
  cursor: pointer;
  transition: transform .15s, border-color .2s, box-shadow .2s;
  text-align: left;
  width: 100%;
  color: var(--text);
  font-family: inherit;
}
.quiz-card:hover, .quiz-card:active {
  transform: translateY(-2px);
  border-color: var(--fire);
  box-shadow: 0 8px 30px #ff9e2c22;
}
.quiz-card .qc-emoji { font-size: 40px; }
.quiz-card .qc-done { display: none; margin-top: 6px; font-size: 12px; color: var(--green); }
.quiz-card.done { opacity: .55; pointer-events: none; }
.quiz-card.done .qc-done { display: block; }
.quiz-card.done .qc-meta { display: none; }
.quiz-card h3 { font-family: var(--heading); font-size: 15px; margin-bottom: 6px; }
.quiz-card p { color: var(--muted); font-size: 13px; line-height: 1.4; }
.quiz-card .qc-meta { margin-top: 6px; font-size: 12px; color: var(--fire); }

.leaderboards { margin-top: 36px; }
.leaderboards h2 {
  font-family: var(--heading); font-size: 16px;
  margin-bottom: 14px; text-align: center;
}
.lb-block { margin-bottom: 22px; }
.lb-block h4 { font-size: 14px; color: var(--muted); margin-bottom: 8px; }

table.lb {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: 12px;
  overflow: hidden;
  font-size: 14px;
}
table.lb th, table.lb td { padding: 10px 12px; text-align: left; }
table.lb th {
  background: var(--bg-card2);
  color: var(--muted);
  font-size: 11px; text-transform: uppercase; letter-spacing: 1px;
}
table.lb tr:nth-child(even) td { background: #ffffff06; }
table.lb td.place { width: 40px; }
table.lb td.score { text-align: right; color: var(--fire); font-weight: bold; }
table.lb .medal { font-size: 16px; }
.lb-empty { color: var(--muted); font-size: 13px; padding: 12px; text-align: center; }

/* ---------- игра ---------- */

.game-top {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px;
}
.game-progress { color: var(--muted); font-size: 14px; letter-spacing: 1px; }
.game-score {
  font-family: var(--heading); font-size: 20px; color: var(--fire);
}

.timer-wrap {
  position: relative;
  background: var(--bg-card);
  border-radius: 10px;
  height: 34px;
  overflow: hidden;
  border: 2px solid var(--border);
  margin-bottom: 24px;
}
.timer-bar {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--fire2), var(--fire));
  transform-origin: left;
}
.timer-num {
  position: relative; z-index: 1;
  text-align: center; line-height: 30px;
  font-family: var(--heading); font-size: 16px;
  color: #fff; text-shadow: 0 1px 3px #0009;
}

.question-text {
  font-size: clamp(18px, 5vw, 24px);
  line-height: 1.45;
  margin-bottom: 24px;
  min-height: 72px;
}

.options { display: grid; gap: 12px; }
.option-btn {
  background: var(--bg-card2);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  color: var(--text);
  font-family: inherit;
  font-size: 16px;
  text-align: left;
  cursor: pointer;
  transition: border-color .15s, transform .1s, background .15s;
  display: flex; gap: 10px; align-items: baseline;
}
.option-btn .opt-key { color: var(--fire); font-weight: bold; }
.option-btn:hover:not(:disabled) { border-color: var(--fire); transform: translateX(4px); }
.option-btn:disabled { cursor: default; opacity: .6; }
.option-btn.picked { border-color: var(--fire); background: #ff9e2c1a; opacity: 1; }
.option-btn.picked.good { border-color: var(--green); background: #7dde6a1a; }
.option-btn.picked.bad { border-color: var(--red); background: #ff54701a; }

.feedback {
  margin-top: 20px;
  text-align: center;
  font-family: var(--heading);
  font-size: 18px;
  min-height: 28px;
}
.feedback.good { color: var(--green); }
.feedback.bad { color: var(--red); }

/* ---------- результат ---------- */

.result-card {
  text-align: center;
  background: linear-gradient(160deg, var(--bg-card2), var(--bg-card));
  border: 2px solid var(--border);
  border-radius: 20px;
  padding: 32px 20px;
  margin: 24px 0;
}
.result-emoji { font-size: 56px; margin-bottom: 8px; }
.result-card h2 { font-family: var(--heading); font-size: 22px; margin-bottom: 8px; }
.result-card p { color: var(--muted); }
.result-score {
  font-family: var(--heading);
  font-size: 44px;
  color: var(--fire);
  margin-top: 12px;
  text-shadow: 0 0 30px #ff9e2c55;
}

.btn {
  display: block;
  width: 100%;
  border: none;
  border-radius: 12px;
  padding: 16px;
  font-family: var(--heading);
  font-size: 15px;
  cursor: pointer;
  margin-top: 20px;
}
.btn-primary {
  background: linear-gradient(90deg, var(--fire2), var(--fire));
  color: #1a0d00;
}
.btn-primary:hover { filter: brightness(1.1); }

.shake { animation: shake .3s; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* ---------- админка ---------- */

.admin-wrap { max-width: 860px; margin: 0 auto; padding: 24px 16px 48px; position: relative; z-index: 1; }
.admin-wrap h1 { font-size: clamp(20px, 5vw, 28px); text-align: center; }
.admin-login { max-width: 360px; margin: 40px auto; }
.admin-login input {
  width: 100%; background: var(--bg-card); border: 2px solid var(--border);
  border-radius: 12px; padding: 14px 16px; color: var(--text);
  font-family: inherit; font-size: 16px; outline: none; margin-bottom: 12px;
}
.admin-login input:focus { border-color: var(--fire); }
.admin-error { color: var(--red); font-size: 13px; text-align: center; min-height: 20px; margin-top: 8px; }
.admin-section { margin-top: 32px; }
.admin-section h2 { font-family: var(--heading); font-size: 16px; margin-bottom: 14px; }
.q-stat {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 14px 16px; margin-bottom: 10px; font-size: 14px;
}
.q-stat .q-title { margin-bottom: 6px; }
.q-stat .q-answer { color: var(--green); }
.q-stat .q-pct { color: var(--muted); font-size: 13px; }
.attempt-detail { font-size: 12px; color: var(--muted); }
.tag-ok { color: var(--green); }
.tag-fail { color: var(--red); }
.admin-toolbar { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; flex-wrap: wrap; gap: 8px; }
.btn-small {
  width: auto; padding: 10px 16px; font-size: 12px; margin: 0;
  background: var(--bg-card2); color: var(--text); border: 1px solid var(--border);
  border-radius: 10px; font-family: var(--heading); cursor: pointer;
}
.btn-small:hover { border-color: var(--fire); }
.btn-danger { border-color: #5a2233; color: var(--red); }
.btn-danger:hover { border-color: var(--red); }

@media (max-width: 480px) {
  table.lb { font-size: 13px; }
  table.lb th, table.lb td { padding: 8px; }
}