/**
 * ============================================================================
 * GAME-KARTU.CSS - Gaya Tampilan Game 3: Buka Kartu Kuis (Card Match Quiz)
 * ============================================================================
 * Desain modern, responsif, ramah layar sentuh IFP (Interactive Flat Panel),
 * animasi 3D flip card, efek cahaya combo, dan modal hasil spektakuler.
 * ============================================================================
 */

/* ------------------------------------------------------------- */
/* 1. ARENA PERMAINAN BUKA KARTU KUIS                            */
/* ------------------------------------------------------------- */
#view-game-kartu {
  min-height: 100vh;
  width: 100%;
  background: radial-gradient(circle at 50% 10%, #2e1065 0%, #1e1b4b 40%, #0f172a 100%);
  color: #f8fafc;
  display: none;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
  user-select: none;
  -webkit-user-select: none;
  padding: 16px 24px 32px;
}

#view-game-kartu.active {
  display: flex !important;
}

/* Dekorasi Latar Belakang Digital Bintang & Kisi */
.kartu-bg-decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
}

.kartu-bg-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(139, 92, 246, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 92, 246, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}

.kartu-floating-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
  animation: orbFloat 10s ease-in-out infinite alternate;
}

.kartu-orb-1 {
  width: 320px;
  height: 320px;
  background: #a855f7;
  top: 5%;
  left: 10%;
}

.kartu-orb-2 {
  width: 380px;
  height: 380px;
  background: #3b82f6;
  bottom: 10%;
  right: 8%;
  animation-duration: 14s;
}

@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, 40px) scale(1.15); }
}

/* ------------------------------------------------------------- */
/* 2. HUD HEADER GAME 3                                          */
/* ------------------------------------------------------------- */
.kartu-hud {
  position: relative;
  z-index: 10;
  max-width: 1300px;
  width: 100%;
  margin: 0 auto 20px;
  background: rgba(30, 27, 75, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 2px solid rgba(168, 85, 247, 0.35);
  border-radius: 20px;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.kartu-hud-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-kartu-exit {
  background: rgba(239, 68, 68, 0.15);
  border: 1.5px solid #ef4444;
  color: #fca5a5;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 8px 16px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-kartu-exit:hover {
  background: #ef4444;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.kartu-badge-info {
  background: rgba(139, 92, 246, 0.2);
  border: 1px solid rgba(168, 85, 247, 0.4);
  padding: 6px 14px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #ddd6fe;
}

.kartu-badge-materi {
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(96, 165, 250, 0.4);
  color: #93c5fd;
  max-width: 260px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Indikator Tengah: Timer & Skor */
.kartu-hud-center {
  display: flex;
  align-items: center;
  gap: 20px;
}

.kartu-stat-box {
  background: rgba(15, 23, 42, 0.65);
  border: 1.5px solid rgba(255, 255, 255, 0.12);
  padding: 8px 18px;
  border-radius: 14px;
  text-align: center;
  min-width: 100px;
}

.kartu-stat-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: #94a3b8;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.kartu-stat-val {
  font-family: var(--font-heading, inherit);
  font-size: 1.45rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
}

.stat-time .kartu-stat-val {
  color: #38bdf8;
}

.stat-time.urgent {
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.25);
  animation: urgentPulse 0.8s ease infinite alternate;
}

.stat-time.urgent .kartu-stat-val {
  color: #f87171;
}

.stat-time.flash-added {
  border-color: #10b981 !important;
  background: rgba(16, 185, 129, 0.35) !important;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.6) !important;
  transition: all 0.25s ease;
}

.btn-kartu-add-time {
  margin-top: 4px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(217, 119, 6, 0.35) 100%);
  border: 1px solid #f59e0b;
  color: #fde68a;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-kartu-add-time:hover {
  background: #f59e0b;
  color: #1e1b4b;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.45);
}

.btn-kartu-add-time:active {
  transform: scale(0.96);
}

@keyframes urgentPulse {
  0% { transform: scale(1); }
  100% { transform: scale(1.05); }
}

.stat-score .kartu-stat-val {
  color: #fbbf24;
}

/* Indikator Kanan: Pasangan, Flips, Hint */
.kartu-hud-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.kartu-combo-badge {
  background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  color: #ffffff;
  padding: 6px 14px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 0.9rem;
  display: none;
  align-items: center;
  gap: 6px;
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.6);
  animation: comboBounce 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.kartu-combo-badge.active {
  display: inline-flex;
}

@keyframes comboBounce {
  0% { transform: scale(0.6); }
  80% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

.btn-kartu-hint {
  background: rgba(245, 158, 11, 0.15);
  border: 1.5px solid #f59e0b;
  color: #fcd34d;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px 14px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-kartu-hint:hover:not(:disabled) {
  background: #f59e0b;
  color: #1e1b4b;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
}

.btn-kartu-hint:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  border-color: #64748b;
  color: #94a3b8;
}

/* ------------------------------------------------------------- */
/* 3. PAPAN PERMAINAN KARTU (GRID & RESPONSIVE LAYOUT)           */
/* ------------------------------------------------------------- */
.kartu-board-container {
  position: relative;
  z-index: 10;
  max-width: 1300px;
  width: 100%;
  margin: 0 auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.kartu-grid {
  display: grid;
  gap: 16px;
  width: 100%;
  perspective: 1200px;
  margin: 0 auto;
  padding: 8px;
}

/* Grid Variasi Ukuran */
.kartu-grid.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
  max-width: 950px;
}

.kartu-grid.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
  max-width: 1240px;
}

/* ------------------------------------------------------------- */
/* 4. ANATOMI KARTU & 3D FLIP ANIMATION                          */
/* ------------------------------------------------------------- */
.kartu-card {
  position: relative;
  aspect-ratio: 4 / 3;
  min-height: 150px;
  max-height: 230px;
  cursor: pointer;
  perspective: 1000px;
  transition: transform 0.2s ease;
}

.kartu-card:hover:not(.is-flipped):not(.is-matched) {
  transform: translateY(-6px) scale(1.02);
}

.kartu-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1);
  border-radius: 18px;
}

/* Status Kartu Berputar */
.kartu-card.is-flipped .kartu-card-inner {
  transform: rotateY(180deg);
}

.kartu-card-face {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Sisi Belakang Kartu (Cover Awal Tertutup) */
.kartu-card-back {
  background: linear-gradient(145deg, #312e81 0%, #1e1b4b 60%, #0f172a 100%);
  border: 3px solid rgba(168, 85, 247, 0.5);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35), inset 0 0 15px rgba(168, 85, 247, 0.2);
  align-items: center;
  justify-content: center;
  padding: 16px;
  text-align: center;
  transform: rotateY(0deg);
}

.kartu-card-back::before {
  content: '';
  position: absolute;
  inset: 6px;
  border: 1.5px dashed rgba(192, 132, 252, 0.35);
  border-radius: 12px;
  pointer-events: none;
}

.kartu-back-badge {
  font-size: 0.72rem;
  font-weight: 800;
  color: #c084fc;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.kartu-back-icon {
  font-size: 2.8rem;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.4));
  transition: transform 0.3s ease;
}

.kartu-card:hover .kartu-back-icon {
  transform: scale(1.15) rotate(-6deg);
}

.kartu-back-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #e2e8f0;
  margin-top: 4px;
}

.kartu-back-num {
  position: absolute;
  bottom: 10px;
  right: 12px;
  font-size: 0.75rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.3);
}

.kartu-back-poin {
  position: absolute;
  bottom: 10px;
  left: 12px;
  font-size: 0.72rem;
  font-weight: 800;
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.2);
  padding: 2px 7px;
  border-radius: 6px;
  border: 1px solid rgba(245, 158, 11, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 3px;
  letter-spacing: 0.2px;
}

/* Sisi Depan Kartu (Konten Soal / Jawaban Setelah Dibuka) */
.kartu-card-front {
  background: #ffffff;
  color: #0f172a;
  transform: rotateY(180deg);
  padding: 14px 16px;
  border: 3px solid #cbd5e1;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  justify-content: space-between;
}

/* Kartu Soal */
.kartu-card-front.front-question {
  border-color: #818cf8;
  background: linear-gradient(180deg, #ffffff 0%, #f5f3ff 100%);
}

/* Kartu Jawaban */
.kartu-card-front.front-answer {
  border-color: #34d399;
  background: linear-gradient(180deg, #ffffff 0%, #ecfdf5 100%);
}

.kartu-front-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  padding-bottom: 6px;
}

.kartu-pill {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 8px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.pill-question {
  background: #ede9fe;
  color: #6d28d9;
  border: 1px solid #c4b5fd;
}

.pill-answer {
  background: #d1fae5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.pill-poin {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #ffffff;
  border: 1px solid #b45309;
  box-shadow: 0 2px 5px rgba(245, 158, 11, 0.3);
}

.kartu-materi-tag {
  font-size: 0.7rem;
  color: #64748b;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 130px;
}

.kartu-front-body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow-y: auto;
  padding: 4px;
}

.kartu-text {
  font-size: 0.96rem;
  font-weight: 600;
  color: #1e293b;
  line-height: 1.35;
  margin: 0;
  word-break: break-word;
}

.front-answer .kartu-text {
  font-size: 1.05rem;
  font-weight: 800;
  color: #065f46;
}

.kartu-front-footer {
  font-size: 0.68rem;
  font-weight: 700;
  text-align: center;
  color: #94a3b8;
  margin-top: 6px;
}

/* ------------------------------------------------------------- */
/* 5. EFEK COCOK (MATCHED) & TIDAK COCOK (MISMATCH / SHAKE)       */
/* ------------------------------------------------------------- */
.kartu-card.is-matched {
  cursor: default;
  animation: matchGlowPulse 1.8s infinite alternate;
}

.kartu-card.is-matched .kartu-card-inner {
  transform: rotateY(180deg);
}

.kartu-card.is-matched .kartu-card-front {
  border-color: #22c55e !important;
  background: linear-gradient(180deg, #f0fdf4 0%, #dcfce7 100%) !important;
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.45) !important;
}

.kartu-card.is-matched .kartu-front-footer {
  color: #15803d;
  font-weight: 800;
}

@keyframes matchGlowPulse {
  0% { box-shadow: 0 0 10px rgba(34, 197, 94, 0.3); }
  100% { box-shadow: 0 0 24px rgba(34, 197, 94, 0.7); }
}

/* ------------------------------------------------------------- */
/* 5.1 KARTU TERKUNCI (LOCKED / COMPLETED SETELAH BENAR)         */
/* ------------------------------------------------------------- */
.kartu-card.is-locked {
  cursor: default !important;
  pointer-events: none !important;
  animation: lockedPulse 2.5s infinite alternate ease-in-out;
}

.kartu-card.is-locked .kartu-card-inner {
  transform: rotateY(180deg) !important;
}

.kartu-card.is-locked .kartu-card-front,
.kartu-card.is-locked .kartu-card-back {
  background: linear-gradient(145deg, #064e3b 0%, #065f46 60%, #022c22 100%) !important;
  border-color: #10b981 !important;
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.5) !important;
  color: #ffffff !important;
}

.kartu-card.is-locked .kartu-front-header {
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.kartu-card.is-locked .kartu-materi-tag {
  color: #a7f3d0;
}

.kartu-card.is-locked .kartu-text {
  color: #f0fdf4 !important;
  font-weight: 800;
}

.kartu-card.is-locked .kartu-front-footer span {
  color: #34d399 !important;
  font-weight: 800;
}

@keyframes lockedPulse {
  0% { box-shadow: 0 0 12px rgba(16, 185, 129, 0.35); }
  100% { box-shadow: 0 0 28px rgba(16, 185, 129, 0.75); }
}

/* ------------------------------------------------------------- */
/* 7.1 MODAL PANEL SOAL & PILIHAN GANDA                          */
/* ------------------------------------------------------------- */
.kartu-question-card {
  max-width: 820px;
  width: 95%;
  background: #ffffff;
  border-radius: 24px;
  border: 4px solid #8b5cf6;
  box-shadow: 0 25px 65px rgba(15, 23, 42, 0.45);
  overflow: hidden;
  animation: qmodalPopIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes qmodalPopIn {
  0% { transform: scale(0.85); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.kartu-qmodal-header {
  background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
  color: #ffffff;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kartu-qmodal-badges {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* Timer Countdown di Header Panel Soal */
.kartu-qmodal-timer {
  background: rgba(255, 255, 255, 0.22);
  border: 2px solid rgba(255, 255, 255, 0.55);
  padding: 6px 18px;
  border-radius: 999px;
  color: #ffffff;
  font-family: var(--font-heading, inherit);
  font-size: 1.25rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.5px;
}

.kartu-qmodal-timer.urgent {
  background: #ef4444 !important;
  border-color: #fee2e2 !important;
  animation: qtimerUrgentPulse 0.5s infinite alternate;
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.85);
}

@keyframes qtimerUrgentPulse {
  0% { transform: scale(1); }
  100% { transform: scale(1.12); }
}

/* Progress Bar Waktu Menjawab */
.kartu-qmodal-progress-track {
  width: 100%;
  height: 8px;
  background: rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.kartu-qmodal-progress-bar {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #10b981 0%, #3b82f6 50%, #8b5cf6 100%);
  transition: width 0.1s linear, background 0.3s ease;
}

.kartu-qmodal-progress-bar.urgent {
  background: #ef4444 !important;
}

.kartu-qmodal-btn-close {
  background: none;
  border: none;
  color: #ffffff;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.2s ease;
  padding: 0 4px;
}

.kartu-qmodal-btn-close:hover {
  transform: scale(1.2);
}

.kartu-qmodal-body {
  padding: 24px 28px;
  max-height: 75vh;
  overflow-y: auto;
}

.kartu-qmodal-img-wrap {
  text-align: center;
  margin-bottom: 16px;
}

.kartu-qmodal-img-wrap img {
  max-height: 200px;
  max-width: 100%;
  border-radius: 12px;
  border: 2px solid #cbd5e1;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.kartu-qmodal-prompt-box {
  background: #f8fafc;
  border: 2px solid #e2e8f0;
  border-left: 6px solid #7c3aed;
  border-radius: 16px;
  padding: 18px 22px;
  margin-bottom: 18px;
}

.kartu-qmodal-prompt-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.5;
  margin: 0;
}

/* Banner Feedback Jawaban Benar / Salah */
.kartu-feedback-banner {
  padding: 14px 20px;
  border-radius: 14px;
  font-weight: 800;
  font-size: 1.1rem;
  text-align: center;
  margin-bottom: 18px;
  animation: feedbackSlideIn 0.3s ease-out;
}

@keyframes feedbackSlideIn {
  0% { transform: translateY(-10px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

.kartu-feedback-banner.fb-correct {
  background: #dcfce7;
  color: #15803d;
  border: 2px solid #86efac;
}

.kartu-feedback-banner.fb-wrong {
  background: #fee2e2;
  color: #b91c1c;
  border: 2px solid #fca5a5;
}

/* Grid Pilihan Ganda (A, B, C, D) */
.kartu-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 8px;
}

@media (max-width: 680px) {
  .kartu-options-grid {
    grid-template-columns: 1fr;
  }
}

.kartu-option-btn {
  background: #ffffff;
  border: 2.5px solid #cbd5e1;
  border-radius: 16px;
  padding: 14px 18px;
  min-height: 70px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: left;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.kartu-option-btn:hover:not(:disabled) {
  border-color: #8b5cf6;
  background: #f5f3ff;
  transform: translateY(-3px);
  box-shadow: 0 8px 18px rgba(139, 92, 246, 0.2);
}

.kartu-option-letter {
  width: 40px;
  height: 40px;
  background: #ede9fe;
  color: #6d28d9;
  font-weight: 900;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
  border: 1.5px solid #c4b5fd;
  transition: all 0.2s ease;
}

.kartu-option-btn:hover:not(:disabled) .kartu-option-letter {
  background: #7c3aed;
  color: #ffffff;
}

.kartu-option-text {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1e293b;
  line-height: 1.35;
  flex: 1;
}

/* Status Opsi Benar */
.kartu-option-btn.option-correct {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
  border-color: #047857 !important;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.45) !important;
  transform: scale(1.02);
}

.kartu-option-btn.option-correct .kartu-option-letter {
  background: #ffffff !important;
  color: #047857 !important;
  border-color: #ffffff !important;
}

.kartu-option-btn.option-correct .kartu-option-text {
  color: #ffffff !important;
}

/* Status Opsi Salah */
.kartu-option-btn.option-wrong {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
  border-color: #b91c1c !important;
  box-shadow: 0 8px 24px rgba(239, 68, 68, 0.45) !important;
  animation: cardShake 0.45s both;
}

.kartu-option-btn.option-wrong .kartu-option-letter {
  background: #ffffff !important;
  color: #b91c1c !important;
  border-color: #ffffff !important;
}

.kartu-option-btn.option-wrong .kartu-option-text {
  color: #ffffff !important;
}

/* Opsi Tereleminasi oleh Bantuan 50:50 */
.kartu-option-btn.option-eliminated {
  opacity: 0.35;
  pointer-events: none;
  background: #f1f5f9;
  border-color: #e2e8f0;
}

.kartu-option-btn.option-eliminated .kartu-option-text {
  text-decoration: line-through;
  color: #94a3b8;
}

.kartu-qmodal-footer {
  padding: 16px 28px;
  background: #f8fafc;
  border-top: 1.5px solid #e2e8f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* ------------------------------------------------------------- */
/* 6. FLOATING POPUP POIN & COMBO                                */
/* ------------------------------------------------------------- */
.kartu-float-point {
  position: absolute;
  pointer-events: none;
  z-index: 100;
  font-family: var(--font-heading, inherit);
  font-weight: 900;
  font-size: 1.4rem;
  color: #fbbf24;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
  animation: floatUpFade 1.2s ease-out forwards;
}

@keyframes floatUpFade {
  0% { opacity: 0; transform: translate(-50%, 0) scale(0.5); }
  25% { opacity: 1; transform: translate(-50%, -20px) scale(1.2); }
  80% { opacity: 0.9; transform: translate(-50%, -50px) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -80px) scale(0.8); }
}

/* ------------------------------------------------------------- */
/* 7. MODAL SETUP / PERSIAPAN GAME BUKA KARTU KUIS               */
/* ------------------------------------------------------------- */
.kartu-setup-card {
  max-width: 580px;
  background: #ffffff;
  border-radius: 20px;
  border: 3px solid #7c3aed;
  box-shadow: 0 25px 50px -12px rgba(124, 58, 237, 0.35);
}

.kartu-setup-header {
  background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
  color: #ffffff;
  padding: 18px 24px;
  border-radius: 17px 17px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kartu-setup-header h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ------------------------------------------------------------- */
/* 8. MODAL PODIUM / HASIL AKHIR GAME BUKA KARTU                 */
/* ------------------------------------------------------------- */
.kartu-result-card {
  max-width: 520px;
  background: #ffffff;
  border-radius: 24px;
  border: 4px solid #8b5cf6;
  text-align: center;
  padding: 36px 28px 28px;
  box-shadow: 0 25px 60px rgba(15, 23, 42, 0.45);
  position: relative;
  overflow: hidden;
}

.kartu-result-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: radial-gradient(circle at 50% 0%, rgba(139, 92, 246, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.kartu-stars-wrap {
  display: flex;
  justify-content: center;
  gap: 10px;
  font-size: 2.8rem;
  margin-bottom: 12px;
  filter: drop-shadow(0 4px 10px rgba(245, 158, 11, 0.4));
}

.kartu-stars-wrap .star {
  color: #cbd5e1;
  transition: transform 0.4s ease, color 0.4s ease;
}

.kartu-stars-wrap .star.active {
  color: #f59e0b;
  transform: scale(1.15);
  animation: starPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes starPop {
  0% { transform: scale(0.3) rotate(-30deg); }
  80% { transform: scale(1.3) rotate(15deg); }
  100% { transform: scale(1.15) rotate(0deg); }
}

.kartu-result-title {
  font-size: 2rem;
  font-weight: 900;
  color: #4c1d95;
  margin-bottom: 6px;
}

.kartu-result-subtitle {
  font-size: 1rem;
  color: #64748b;
  margin-bottom: 24px;
}

.kartu-score-badge-big {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
  padding: 12px 28px;
  border-radius: 16px;
  display: inline-block;
  font-family: var(--font-heading, inherit);
  font-size: 2rem;
  font-weight: 900;
  box-shadow: 0 8px 20px rgba(217, 119, 6, 0.35);
  margin-bottom: 24px;
}

.kartu-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 28px;
  text-align: left;
}

.kartu-stat-item {
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: 14px;
  padding: 10px 14px;
}

.kartu-stat-item-label {
  font-size: 0.78rem;
  color: #64748b;
  font-weight: 600;
}

.kartu-stat-item-val {
  font-size: 1.25rem;
  font-weight: 800;
  color: #0f172a;
}

/* ------------------------------------------------------------- */
/* 9. RESPONSIVE QUERIES (MOBILE / TABLET / IFP)                 */
/* ------------------------------------------------------------- */
@media (max-width: 1024px) {
  .kartu-grid.grid-cols-4 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .kartu-hud {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 12px 16px;
  }
  .kartu-hud-left, .kartu-hud-center, .kartu-hud-right {
    justify-content: center;
  }
  .kartu-grid.grid-cols-3, .kartu-grid.grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .kartu-card {
    min-height: 125px;
  }
  .kartu-text {
    font-size: 0.85rem;
  }
}

/* ------------------------------------------------------------- */
/* 10. MODE VERSUS KELAS GAME 3                                 */
/* ------------------------------------------------------------- */
.kartu-versus-bar {
  position: relative;
  z-index: 10;
  max-width: 1300px;
  width: 100%;
  margin: 0 auto 16px;
  background: rgba(30, 27, 75, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 2px solid rgba(245, 158, 11, 0.5);
  border-radius: 18px;
  padding: 14px 20px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.3s ease;
}

.kartu-versus-bar.shake-warning {
  animation: versusShake 0.45s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
  border-color: #ef4444 !important;
  box-shadow: 0 0 25px rgba(239, 68, 68, 0.6) !important;
}

@keyframes versusShake {
  10%, 90% { transform: translate3d(-2px, 0, 0); }
  20%, 80% { transform: translate3d(3px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
  40%, 60% { transform: translate3d(4px, 0, 0); }
}

.kartu-versus-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.kartu-versus-title-badge {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.88rem;
  padding: 6px 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

.kartu-versus-instruction {
  background: rgba(245, 158, 11, 0.15);
  border: 1.5px solid rgba(245, 158, 11, 0.45);
  color: #fde68a;
  padding: 6px 16px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 700;
  text-align: center;
  flex: 1;
}

.kartu-versus-active-indicator {
  background: #10b981;
  color: #ffffff;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.4);
}

.kartu-versus-players-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.kartu-versus-player-card {
  background: rgba(15, 23, 42, 0.65);
  border: 2px solid rgba(148, 163, 184, 0.25);
  border-radius: 14px;
  padding: 10px 14px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  overflow: hidden;
}

.kartu-versus-player-card:hover {
  transform: translateY(-2px);
  border-color: rgba(245, 158, 11, 0.6);
  background: rgba(30, 41, 59, 0.85);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

.kartu-versus-player-card.is-active-turn {
  transform: translateY(-3px) scale(1.02);
  border-color: #f59e0b !important;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(124, 58, 237, 0.25) 100%) !important;
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.65), 0 4px 12px rgba(0, 0, 0, 0.4) !important;
}

.versus-player-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.versus-player-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.versus-player-name {
  font-weight: 800;
  font-size: 0.95rem;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.versus-player-stats {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: #cbd5e1;
}

.versus-player-score {
  font-weight: 800;
  color: #fbbf24;
}

.versus-player-badge-turn {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.2);
  color: #cbd5e1;
  display: inline-block;
  margin-top: 2px;
}

.kartu-versus-player-card.is-active-turn .versus-player-badge-turn {
  background: #f59e0b;
  color: #1e1b4b;
  font-weight: 900;
  animation: pulseVersusTurn 1.2s infinite alternate;
}

@keyframes pulseVersusTurn {
  0% { transform: scale(1); opacity: 0.9; }
  100% { transform: scale(1.05); opacity: 1; }
}

/* Sisi Depan Kartu yang Terkunci oleh Siswa Spesifik */
.kartu-card.is-locked.locked-by-versus .kartu-card-front {
  border-width: 3px;
}

.kartu-locked-by-badge {
  background: rgba(0, 0, 0, 0.6);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  color: #ffffff;
  margin-top: 4px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Podium Mode Versus */
.kartu-versus-podium-cards {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 14px;
  margin: 20px 0;
}

.versus-podium-col {
  background: #ffffff;
  border-radius: 16px;
  padding: 16px 12px;
  text-align: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
  border: 2px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex: 1;
  max-width: 170px;
  position: relative;
}

.versus-podium-col.rank-1 {
  border-color: #f59e0b;
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3);
  transform: translateY(-8px);
  background: linear-gradient(180deg, #fffbeb 0%, #ffffff 100%);
}

.versus-podium-col.rank-2 {
  border-color: #94a3b8;
}

.versus-podium-col.rank-3 {
  border-color: #d97706;
}

.podium-rank-icon {
  font-size: 2.2rem;
  line-height: 1;
}

.podium-player-name {
  font-weight: 800;
  font-size: 0.95rem;
  color: #0f172a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 130px;
}

.podium-player-score {
  font-size: 1.15rem;
  font-weight: 900;
  color: #f59e0b;
}

.podium-player-locked {
  font-size: 0.78rem;
  color: #64748b;
  font-weight: 600;
}