/* Duel CSS - Mode Duel */
.duel-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  border: 2px solid #4ade80;
  border-radius: 10px;
  background-color: #f0f8f0;
}

.duel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.duel-header h1 {
  margin: 0;
  font-size: 24px;
  color: #2e7d32;
}

.duel-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.duel-logo-img {
  width: 40px;
  height: 40px;
}

.duel-logo-text {
  font-size: 20px;
  font-weight: bold;
  color: #1b5e20;
}

.badge-new {
  display: inline-block;
  background-color: #ff9800;
  color: white;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 12px;
  margin-left: 5px;
}

.duel-info {
  text-align: center;
  margin-bottom: 20px;
}

.duel-info p {
  margin: 5px 0;
  font-size: 16px;
}

.duel-score {
  display: flex;
  justify-content: space-between;
  margin: 20px 0;
}

.duel-score div {
  text-align: center;
  padding: 10px;
  border: 2px solid #4ade80;
  border-radius: 5px;
  width: 45%;
}

.duel-score-user {
  background-color: #e8f5e9;
}

.duel-score-bot {
  background-color: #ffebee;
}

.duel-result {
  text-align: center;
  margin: 20px 0;
  font-size: 20px;
  font-weight: bold;
}

.duel-result.win {
  color: #4caf50;
}

.duel-result.lose {
  color: #f44336;
}

.duel-result.tie {
  color: #ff9800;
}

.duel-question {
  margin: 20px 0;
  padding: 15px;
  background-color: #f5f5f5;
  border-radius: 5px;
}

.duel-options {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.duel-option {
  flex: 1;
  padding: 10px;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 5px;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
}

.duel-option:hover {
  background-color: #e8f5e9;
  transform: translateY(-2px);
}

.duel-answer {
  margin-top: 10px;
  font-weight: bold;
  color: #2e7d32;
}

.duel-timer {
  text-align: center;
  margin: 15px 0;
  font-size: 18px;
  color: #d32f2f;
}

.duel-bot-message {
  margin: 15px 0;
  padding: 10px;
  background-color: #e3f2fd;
  border-radius: 5px;
  max-width: 80%;
}

.duel-user-message {
  margin: 15px 0;
  padding: 10px;
  background-color: #e3f2fd;
  border-radius: 5px;
  max-width: 80%;
}

.duel-idle {
  text-align: center;
  margin: 20px 0;
  color: #757575;
  font-style: italic;
}

/* =============================================
   Mode Duel - Pemilihan Mode (Halaman 1)
   Mengikuti design system SufLearn asli
   ============================================= */

.duel-mode-grid {
  display: grid;
  gap: 12px;
}

.duel-mode-card {
  display: grid;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--line, #d7e6f7);
  border-radius: 18px;
  background: var(--surface, #ffffff);
  box-shadow: 0 8px 22px rgba(22, 55, 112, 0.06);
  text-decoration: none;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.duel-mode-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(22, 55, 112, 0.1);
  border-color: var(--line-strong, #bfd8f5);
}

.duel-mode-card.is-disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.duel-mode-card.is-disabled:hover {
  transform: none;
  box-shadow: 0 8px 22px rgba(22, 55, 112, 0.06);
  border-color: var(--line, #d7e6f7);
}

.duel-mode-card.is-active {
  border-left: 3px solid var(--primary, #2f7df6);
}

.duel-mode-icon {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  font-size: 22px;
  border-radius: 12px;
  background: var(--primary-soft, #dcecff);
}

.duel-mode-card.is-disabled .duel-mode-icon {
  background: var(--surface-muted, #eef3f8);
}

.duel-mode-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text, #14294b);
}

.duel-mode-desc {
  font-size: 0.875rem;
  color: var(--text-soft, #60748f);
}

.duel-mode-badge {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
}

.duel-mode-badge.muted {
  background: var(--neutral-accent-soft, rgba(95, 111, 132, 0.12));
  color: var(--neutral-accent, #5f6f84);
}

.duel-mode-badge.success {
  background: var(--success-soft, rgba(45, 138, 87, 0.1));
  color: var(--success, #2d8a57);
}

/* =============================================
   Pemilihan Lawan AI (Halaman 2)
   ============================================= */

.duel-bot-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.duel-bot-card {
  display: grid;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--line, #d7e6f7);
  border-radius: 18px;
  background: var(--surface, #ffffff);
  box-shadow: 0 8px 22px rgba(22, 55, 112, 0.06);
  text-decoration: none;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.duel-bot-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(22, 55, 112, 0.1);
  border-color: var(--line-strong, #bfd8f5);
}

.duel-bot-card.is-selected {
  border: 2px solid var(--primary, #2f7df6);
  background: var(--primary-soft, #dcecff);
}

.duel-bot-card.rizal {
  border-left: 3px solid var(--success, #2d8a57);
}

.duel-bot-card.vania {
  border-left: 3px solid var(--danger, #d14d63);
}

.duel-bot-card.kimi {
  border-left: 3px solid var(--primary, #2f7df6);
}

.duel-bot-avatar {
  width: 48px;
  height: 48px;
  display: inline-grid;
  place-items: center;
  font-size: 26px;
  border-radius: 14px;
  background: var(--primary-soft, #dcecff);
}

.duel-bot-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text, #14294b);
}

.duel-bot-role {
  font-size: 0.875rem;
  color: var(--text-soft, #60748f);
}

.duel-bot-stats {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-soft, #edf4ff);
  color: var(--text-muted, #4d647d);
  font-size: 0.72rem;
  font-weight: 700;
}

.duel-bot-quote {
  margin-top: 16px;
  padding: 12px 16px;
  border-left: 3px solid var(--primary, #2f7df6);
  border-radius: 12px;
  background: var(--bg-soft, #edf4ff);
  color: var(--text-soft, #60748f);
  font-style: italic;
  font-size: 0.9rem;
  transition: opacity 0.3s ease;
}

@media (max-width: 640px) {
  .duel-bot-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* =============================================
   Lobby (Halaman 3)
   ============================================= */

.duel-lobby {
  display: grid;
  justify-items: center;
  gap: 16px;
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
}

.duel-lobby-avatar {
  width: 64px;
  height: 64px;
  display: inline-grid;
  place-items: center;
  font-size: 34px;
  border-radius: 18px;
  background: var(--primary-soft, #dcecff);
  animation: duelPulse 1.6s ease-in-out infinite;
}

@keyframes duelPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.duel-lobby-info {
  display: grid;
  gap: 6px;
}

.duel-lobby-info h2 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text, #14294b);
}

.duel-lobby-details {
  display: grid;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--line, #d7e6f7);
  border-radius: 18px;
  background: var(--surface, #ffffff);
  box-shadow: 0 8px 22px rgba(22, 55, 112, 0.06);
  text-align: left;
}

.duel-lobby-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.9rem;
}

.duel-lobby-label {
  color: var(--text-soft, #60748f);
  font-weight: 600;
}

.duel-lobby-value {
  color: var(--text, #14294b);
  font-weight: 700;
  text-align: right;
}

.duel-lobby-status {
  display: grid;
  gap: 12px;
  width: 100%;
}

.duel-lobby-timer {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  justify-content: center;
}

.duel-lobby-timer-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-strong, #1f62d6);
}

.duel-lobby-timer-unit {
  font-size: 0.875rem;
  color: var(--text-soft, #60748f);
}

.duel-lobby-message {
  min-height: 24px;
  font-size: 0.9rem;
  color: var(--text-soft, #60748f);
  transition: opacity 0.3s ease;
}

.duel-lobby-progress {
  display: grid;
  gap: 6px;
  width: 100%;
}

.duel-lobby-progress-bar {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: var(--surface-muted, #eef3f8);
  overflow: hidden;
}

.duel-lobby-progress-fill {
  height: 100%;
  width: 100%;
  border-radius: inherit;
  background: var(--primary, #2f7df6);
  transition: width 1s linear;
}

.duel-lobby-progress-text {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted, #4d647d);
}

.duel-lobby-actions {
  width: 100%;
  margin-top: 8px;
}

.duel-lobby-btn {
  width: 100%;
  min-height: 48px;
  padding: 12px 20px;
  border: 1.5px solid var(--primary, #2f7df6);
  border-radius: 12px;
  background: var(--surface, #ffffff);
  color: var(--primary-strong, #1f62d6);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease;
}

.duel-lobby-btn:hover:not(:disabled) {
  background: var(--primary-soft, #dcecff);
}

.duel-lobby-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* =============================================
   Duel Berlangsung (Halaman 4)
   ============================================= */

.duel-match {
  display: grid;
  gap: 16px;
}

.duel-match-header {
  position: sticky;
  top: 8px;
  z-index: 20;
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line, #d7e6f7);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 24px rgba(22, 55, 112, 0.06);
}

.duel-match-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.duel-match-question-number {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-soft, #60748f);
}

.duel-match-timer {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--primary-soft, #dcecff);
  color: var(--primary-strong, #1f62d6);
  font-size: 0.95rem;
  font-weight: 800;
  transition: background 0.2s ease, color 0.2s ease;
}

.duel-match-timer.is-warning {
  background: var(--warning-soft, rgba(217, 119, 6, 0.12));
  color: var(--warning, #d97706);
}

.duel-match-timer.is-danger {
  background: var(--danger-soft, rgba(209, 77, 99, 0.1));
  color: var(--danger, #d14d63);
}

.duel-match-score {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.duel-match-score-user,
.duel-match-score-bot {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border: 1px solid var(--line, #d7e6f7);
  border-radius: 14px;
  background: var(--surface, #ffffff);
}

.duel-match-score-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-soft, #60748f);
}

.duel-match-score-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text, #14294b);
}

.duel-match-score-user .duel-match-score-value {
  color: var(--primary-strong, #1f62d6);
}

.duel-match-score-bot .duel-match-score-value {
  color: var(--danger, #d14d63);
}

.duel-match-question {
  display: grid;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--line, #d7e6f7);
  border-radius: 18px;
  background: var(--surface, #ffffff);
  box-shadow: 0 8px 22px rgba(22, 55, 112, 0.06);
}

.duel-match-question-text {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text, #14294b);
}

.duel-match-options {
  display: grid;
  gap: 10px;
}

.duel-match-option {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 12px 14px;
  border: 1.5px solid var(--line, #d7e6f7);
  border-radius: 14px;
  background: var(--surface, #ffffff);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.1s ease;
}

.duel-match-option:hover {
  border-color: var(--line-strong, #bfd8f5);
  transform: translateY(-1px);
}

.duel-match-option.is-selected {
  border-color: var(--primary, #2f7df6);
  background: var(--primary-soft, #dcecff);
}

.duel-match-option.is-correct {
  border-color: var(--success, #2d8a57);
  background: var(--success-soft, rgba(45, 138, 87, 0.1));
}

.duel-match-option.is-wrong {
  border-color: var(--danger, #d14d63);
  background: var(--danger-soft, rgba(209, 77, 99, 0.1));
}

.duel-match-option-letter {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 10px;
  background: var(--bg-soft, #edf4ff);
  color: var(--primary-strong, #1f62d6);
  font-weight: 800;
  font-size: 0.9rem;
}

.duel-match-option-text {
  font-size: 0.95rem;
  color: var(--text, #14294b);
}

.duel-match-bot-message {
  padding: 12px 14px;
  border-left: 3px solid var(--primary, #2f7df6);
  border-radius: 12px;
  background: var(--bg-soft, #edf4ff);
  color: var(--text-soft, #60748f);
  font-size: 0.9rem;
  max-width: 80%;
}

.duel-match-bot-message.rizal {
  border-left-color: var(--success, #2d8a57);
}

.duel-match-bot-message.vania {
  border-left-color: var(--danger, #d14d63);
}

.duel-match-bot-message.kimi {
  border-left-color: var(--primary, #2f7df6);
}

.duel-match-result {
  display: grid;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--line, #d7e6f7);
  border-radius: 18px;
  background: var(--surface, #ffffff);
  box-shadow: 0 8px 22px rgba(22, 55, 112, 0.06);
  text-align: center;
}

.duel-result-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text, #14294b);
}

.duel-match-result.win .duel-result-title {
  color: var(--success, #2d8a57);
}

.duel-match-result.lose .duel-result-title {
  color: var(--danger, #d14d63);
}

.duel-match-result.tie .duel-result-title {
  color: var(--warning, #d97706);
}

.duel-result-scores {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.duel-result-score {
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line, #d7e6f7);
  border-radius: 14px;
}

.duel-result-score-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-soft, #60748f);
}

.duel-result-score-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text, #14294b);
}

.duel-result-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.duel-result-stat {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--line, #d7e6f7);
  border-radius: 12px;
  font-size: 0.85rem;
}

.duel-result-stat-label {
  color: var(--text-soft, #60748f);
  font-weight: 600;
}

.duel-result-stat-value {
  color: var(--text, #14294b);
  font-weight: 800;
}

.duel-result-actions {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}

.duel-result-btn {
  min-height: 48px;
  padding: 12px 20px;
  border: 1.5px solid var(--primary, #2f7df6);
  border-radius: 12px;
  background: var(--primary, #2f7df6);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
}

.duel-result-btn:hover {
  background: var(--primary-strong, #1f62d6);
  transform: translateY(-1px);
}

.duel-result-btn.secondary {
  background: var(--surface, #ffffff);
  color: var(--primary-strong, #1f62d6);
}

.duel-result-btn.secondary:hover {
  background: var(--primary-soft, #dcecff);
}

.duel-result-btn.ghost {
  background: transparent;
  border-color: var(--line-strong, #bfd8f5);
  color: var(--text-soft, #60748f);
}

.duel-result-btn.ghost:hover {
  background: var(--bg-soft, #edf4ff);
}

/* =============================================
   Pemilihan Kelas & Mapel (Halaman antara)
   ============================================= */

.duel-pick-grid {
  display: grid;
  gap: 12px;
}

.duel-pick-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  border: 1px solid var(--line, #d7e6f7);
  border-radius: 18px;
  background: var(--surface, #ffffff);
  box-shadow: 0 8px 22px rgba(22, 55, 112, 0.06);
  text-decoration: none;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.duel-pick-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(22, 55, 112, 0.1);
  border-color: var(--line-strong, #bfd8f5);
}

.duel-pick-icon {
  width: 44px;
  height: 44px;
  display: inline-grid;
  place-items: center;
  font-size: 24px;
  border-radius: 12px;
  background: var(--primary-soft, #dcecff);
  flex-shrink: 0;
}

.duel-pick-body {
  display: grid;
  gap: 2px;
}

.duel-pick-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text, #14294b);
}

.duel-pick-sub {
  font-size: 0.85rem;
  color: var(--text-soft, #60748f);
}

/* =============================================
   Hasil Duel (Halaman 5)
   ============================================= */

.duel-result-page {
  display: grid;
  gap: 16px;
  max-width: 560px;
  margin: 0 auto;
}

.duel-result-banner {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 8px;
  min-height: 120px;
  padding: 20px;
  border-radius: 24px;
  text-align: center;
  color: #ffffff;
}

.duel-result-banner.win {
  background: linear-gradient(135deg, var(--success, #2d8a57) 0%, var(--primary, #2f7df6) 100%);
}

.duel-result-banner.lose {
  background: linear-gradient(135deg, var(--danger, #d14d63) 0%, var(--warning, #d97706) 100%);
}

.duel-result-banner.tie {
  background: linear-gradient(135deg, #94a3b8 0%, #64748b 100%);
}

.duel-result-emoji {
  font-size: 48px;
  line-height: 1;
}

.duel-result-banner.win .duel-result-emoji {
  animation: duelBounce 0.6s ease;
}

@keyframes duelBounce {
  0% { transform: scale(0.6); opacity: 0; }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}

.duel-result-banner-title {
  font-size: 1.5rem;
  font-weight: 800;
}

.duel-result-scores {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.duel-result-score {
  display: grid;
  gap: 4px;
  padding: 16px;
  border: 1px solid var(--line, #d7e6f7);
  border-radius: 18px;
  background: var(--surface, #ffffff);
  box-shadow: 0 8px 22px rgba(22, 55, 112, 0.06);
  text-align: center;
}

.duel-result-score-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-soft, #60748f);
}

.duel-result-score-value {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1;
}

.duel-result-score.user .duel-result-score-value {
  color: var(--primary-strong, #1f62d6);
}

.duel-result-score.bot .duel-result-score-value {
  color: var(--danger, #d14d63);
}

.duel-result-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.duel-result-stat {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line, #d7e6f7);
  border-radius: 14px;
  font-size: 0.88rem;
}

.duel-result-stat-label {
  color: var(--text-soft, #60748f);
  font-weight: 600;
}

.duel-result-stat-value {
  color: var(--text, #14294b);
  font-weight: 800;
}

.duel-result-quote {
  padding: 12px 16px;
  border-left: 3px solid var(--primary, #2f7df6);
  border-radius: 12px;
  background: var(--bg-soft, #edf4ff);
  color: var(--text-soft, #60748f);
  font-style: italic;
  font-size: 0.9rem;
}

.duel-result-quote.rizal {
  border-left-color: var(--success, #2d8a57);
}

.duel-result-quote.vania {
  border-left-color: var(--danger, #d14d63);
}

.duel-result-quote.kimi {
  border-left-color: var(--primary, #2f7df6);
}

.duel-result-xp {
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-soft, #60748f);
}

.duel-result-actions {
  display: grid;
  gap: 10px;
}

.duel-result-btn {
  min-height: 48px;
  padding: 12px 20px;
  border: 1.5px solid var(--primary, #2f7df6);
  border-radius: 12px;
  background: var(--primary, #2f7df6);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
}

.duel-result-btn:hover {
  background: var(--primary-strong, #1f62d6);
  transform: translateY(-1px);
}

.duel-result-btn.secondary {
  background: var(--surface, #ffffff);
  color: var(--primary-strong, #1f62d6);
}

.duel-result-btn.secondary:hover {
  background: var(--primary-soft, #dcecff);
}

.duel-result-btn.ghost {
  background: transparent;
  border-color: var(--line-strong, #bfd8f5);
  color: var(--text-soft, #60748f);
}

.duel-result-btn.ghost:hover {
  background: var(--bg-soft, #edf4ff);
}