:root {
  --bg: #ffffff;          /* latar belakang terang */
  --card: #fff7f6;        /* warna kartu lembut */
  --accent: #e30613;      /* merah khas KPU */
  --accent2: #ff9800;     /* oranye gradasi */
  --muted: #6b7280;       /* abu teks */
  --white: #111111;       /* teks utama gelap */
  --danger: #b71c1c;      /* merah tua */
  --success: #22c55e;     /* hijau jawaban benar */
}

/* Reset & global */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', Inter, system-ui, Segoe UI, Arial;
  background: linear-gradient(180deg, #ffffff 0%, #ffe5e0 100%);
  background-size: 200% 200%;
  animation: bgMove 20s ease infinite;
  color: var(--white);
  margin: 0;
}

@keyframes bgMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.container {
  max-width: 760px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  text-align: center;
  margin-bottom: 18px;
}

header h1 {
  font-size: 2.25rem;
  margin: 0;
  font-weight: 700;
  color: var(--accent);
}

header p {
  color: var(--muted);
  margin-top: 4px;
}

/* Card */
.card {
  background: var(--card);
  padding: 18px;
  border-radius: 16px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
  margin-bottom: 16px;
  border-top: 4px solid var(--accent);
}

.hidden {
  display: none !important;
}

/* Input nama */
input[type=text] {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 2px solid rgba(0, 0, 0, 0.1);
  background: #fff;
  color: #111;
  margin: 12px 0;
  transition: 0.2s;
}

input[type=text]:focus {
  border-color: var(--accent);
  outline: none;
}

/* Row wrapper */
.row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  align-items: center;
  margin-top: 10px;
}

/* Tombol */
.btn {
  padding: 10px 14px;
  border-radius: 10px;
  border: none;
  background: transparent;
  color: var(--white);
  cursor: pointer;
  border: 2px solid rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
  font-weight: 600;
}

.btn.primary {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: #fff;
  border: none;
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(227, 6, 19, 0.3);
}

.btn.danger {
  background: #b71c1c;
  color: #fff;
  border: none;
}

.btn:hover {
  transform: translateY(-2px);
}

/* Quiz Header */
.quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-weight: 500;
  color: var(--white);
}

#timer {
  background: var(--accent);
  color: #fff;
  padding: 4px 10px;
  border-radius: 8px;
  font-weight: 600;
}

/* Pertanyaan */
#question-box {
  position: relative;
}

#question-box h3 {
  margin: 0 0 12px 0;
  color: #000;
}

.answers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.answer {
  padding: 10px;
  border-radius: 8px;
  border: 2px solid rgba(0, 0, 0, 0.1);
  background: #fff;
  color: #111;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.answer:hover {
  background: #ffe5e0;
  transform: scale(1.02);
}

/* Efek jawaban benar/salah */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-5px); }
  40%, 80% { transform: translateX(5px); }
}

.answer.correct {
  background: rgba(34,197,94,0.12);
  border-color: rgba(34,197,94,0.4);
  animation: blink 0.5s ease 2;
}

.answer.wrong {
  background: rgba(239,68,68,0.1);
  border-color: rgba(239,68,68,0.4);
  animation: shake 0.4s ease;
}

/* Animasi transisi soal */
.fade-in {
  animation: fadeIn 0.4s ease forwards;
}
.fade-out {
  animation: fadeOut 0.4s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-10px); }
}

/* Combo score */
#combo-container {
  position: relative;
  width: 100%;
  text-align: center;
}

.combo-text {
  position: relative;
  display: inline-block;
  font-size: 1.4rem;
  font-weight: bold;
  color: var(--accent);
  text-shadow: 0 0 8px rgba(227, 6, 19, 0.4);
  animation: comboPop 0.8s ease forwards;
  pointer-events: none;
}

@keyframes comboPop {
  0% { transform: scale(0.5); opacity: 0; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(1); opacity: 0; }
}

/* Achievement styles */
.achievement {
  background: rgba(227, 6, 19, 0.1);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.95rem;
  text-align: center;
  margin-top: 8px;
  color: var(--accent);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Leaderboard */
#leaderboard-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

#leaderboard-list li {
  background: #ffffff;
  color: #111;
  margin-bottom: 6px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-left: 5px solid var(--accent);
}

/* Hasil kuis */
#result-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  gap: 12px;
}

/* Footer */
footer {
  text-align: center;
  padding: 10px;
  margin-top: auto;
  color: var(--muted);
}

footer strong {
  color: var(--accent);
}

/* Responsif */
@media (max-width: 560px) {
  .answers { grid-template-columns: 1fr; }
}
/* ===== LEADERBOARD SCROLL & WARNA ===== */

#leaderboard-screen {
  max-height: 70vh;
  display: flex;
  flex-direction: column;
}

#leaderboard-list {
  flex: 1;
  overflow-y: auto;
  margin-bottom: 12px;
  padding-right: 6px;
}

/* Tombol tetap terlihat */
#leaderboard-screen .row {
  position: sticky;
  bottom: 0;
  background: var(--card);
  padding-top: 10px;
  z-index: 5;
}

/* Default item */
#leaderboard-list li {
  color: #000000;
  font-weight: 500;
}

/* 🥇🥈🥉 */
#leaderboard-list li:nth-child(1) {
  color: var(--accent);
  font-weight: 700;
}

#leaderboard-list li:nth-child(2) {
  color: var(--accent2);
  font-weight: 700;
}

#leaderboard-list li:nth-child(3) {
  color: #795548;
  font-weight: 700;
}

/* Leaderboard card layout */
#leaderboard-screen {
  max-height: 70vh;
  display: flex;
  flex-direction: column;
}

/* List skor scrollable */
#leaderboard-list {
  flex: 1;
  overflow-y: auto;
  margin-bottom: 12px;
  padding-right: 6px;
}

/* Tombol bawah selalu terlihat */
#leaderboard-screen .row {
  position: sticky;
  bottom: 0;
  background: var(--card);
  padding-top: 10px;
  z-index: 5;
}