/* ==========================================================================
   BaworLingua - Halaman Latihan (Tahap A - Struktur & UI Dasar)
   ========================================================================== */

/* --- Container Utama Layout Latihan --- */
.latihan-layout-wrapper {
  background-color: var(--bg-light);
  min-height: calc(100vh - 80px);
  padding: 32px 0 60px 0;
}

.latihan-layout-container {
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: stretch;
  box-sizing: border-box;
}

/* ==========================================================================
   SIDEBAR KIRI - KATEGORI PEMBELAJARAN (COMPACT REVISION)
   ========================================================================== */
.latihan-sidebar {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 14px 12px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-100);
}

.sidebar-header-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-btn);
  background-color: var(--primary-100);
  color: var(--primary-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}

.sidebar-title h3 {
  font-family: var(--font-poppins);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--neutral-900);
  line-height: 1.2;
}

/* Navigasi Kategori Sidebar (Compact Spacing & Height) */
.category-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.category-nav-item a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--neutral-600);
  font-size: 13.5px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.category-nav-item a:hover {
  background-color: var(--primary-100);
  color: var(--primary-700);
}

.category-nav-item.active a {
  background: linear-gradient(135deg, var(--primary-700) 0%, #115E59 100%);
  color: var(--white);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(15, 118, 110, 0.2);
}

.category-nav-item .nav-item-content {
  display: flex;
  align-items: center;
  gap: 8px;
}

.category-nav-item .nav-icon {
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.category-nav-item .nav-icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  flex-shrink: 0;
}

.category-nav-item.active .text-id,
.category-nav-item.active .text-en {
  color: var(--white) !important;
}

/* Card Ilustrasi Bawor di Sidebar (Compact Widget) */
.sidebar-bawor-widget {
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.08) 0%, rgba(20, 184, 166, 0.15) 100%);
  border: 1px solid rgba(15, 118, 110, 0.2);
  border-radius: var(--radius-btn);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-top: 4px;
}

.sidebar-bawor-img {
  max-height: 75px;
  width: auto;
  object-fit: contain;
  margin-bottom: 6px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.12));
}

.sidebar-bawor-speech {
  font-size: 11px;
  font-weight: 600;
  color: var(--primary-700);
  line-height: 1.25;
  background: var(--white);
  padding: 5px 8px;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(15, 118, 110, 0.15);
}


/* ==========================================================================
   AREA UTAMA (MAIN CONTENT AREA - ALIGNED BOTTOM HEIGHT REVISION)
   ========================================================================== */
.latihan-main-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}

/* Breadcrumb Navigation */
.latihan-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--neutral-600);
}

.latihan-breadcrumb a {
  color: var(--primary-700);
  text-decoration: none;
  transition: color 0.2s ease;
}

.latihan-breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-separator {
  color: #9CA3AF;
  font-size: 12px;
}

.breadcrumb-current {
  color: var(--neutral-900);
  font-weight: 600;
}

/* Header Title */
.latihan-header-title {
  margin-bottom: 16px;
}

.latihan-header-title h1 {
  font-family: var(--font-poppins);
  font-size: 26px;
  font-weight: 800;
  color: var(--neutral-900);
  line-height: 1.2;
}

/* Card Utama Soal (Aligned Bottom to match Sidebar Height) */
.question-main-card {
  background-color: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 22px 26px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-grow: 1;
  gap: 16px;
  position: relative;
}

/* Shake Animation when Validation Warning Triggers */
@keyframes cardShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.question-main-card.shake {
  animation: cardShake 0.4s ease-in-out;
  border-color: #FCA5A5;
}

/* Header Soal (Counter & Progress) */
.question-card-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.question-counter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.question-counter-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--primary-100);
  color: var(--primary-700);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
}

.question-percentage {
  font-size: 13px;
  font-weight: 600;
  color: var(--neutral-600);
}

/* Progress Bar */
.question-progress-bar {
  width: 100%;
  height: 6px;
  background-color: var(--neutral-100);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.question-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-700) 0%, var(--primary-500) 100%);
  width: 10%; /* 1 of 10 = 10% */
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

/* Body Pertanyaan */
.question-body {
  margin-top: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex-grow: 1;
}

.question-text {
  font-family: var(--font-poppins);
  font-size: 18px;
  font-weight: 700;
  color: var(--neutral-900);
  line-height: 1.35;
  margin-bottom: 14px;
}

/* Options Grid / List (Compact Gap & Padding) */
.options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.option-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-btn);
  background-color: var(--white);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.option-card:hover {
  border-color: var(--primary-500);
  background-color: rgba(20, 184, 166, 0.04);
  transform: translateY(-1px);
}

.option-card.selected {
  border-color: var(--primary-700);
  background-color: var(--primary-100);
  box-shadow: 0 3px 10px rgba(15, 118, 110, 0.1);
}

.option-radio {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid #9CA3AF;
  border-radius: 50%;
  outline: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.option-radio:checked {
  border-color: var(--primary-700);
  background-color: var(--primary-700);
}

.option-radio:checked::after {
  content: '';
  width: 7px;
  height: 7px;
  background-color: var(--white);
  border-radius: 50%;
}

.option-card-label {
  font-size: 15px;
  font-weight: 500;
  color: var(--neutral-900);
  flex-grow: 1;
}

/* Pesan Peringatan Validasi (Mandatory Answer Warning) */
.validation-warning-msg {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: #FEF2F2;
  color: #DC2626;
  border: 1px solid #FCA5A5;
  border-radius: var(--radius-btn);
  padding: 8px 14px;
  font-size: 13.5px;
  font-weight: 600;
  margin-top: 4px;
  transition: opacity 0.2s ease;
}

/* Footer Actions (Previous & Next Buttons Layout) */
.question-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 4px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

.btn-prev-question {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--white);
  color: var(--neutral-600);
  border: 1.5px solid var(--border-light);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-family: var(--font-poppins);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-prev-question:hover:not(:disabled) {
  border-color: var(--primary-700);
  color: var(--primary-700);
  background-color: var(--primary-100);
  transform: translateY(-1px);
}

.btn-prev-question:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  visibility: hidden; /* Hide cleanly on question 1 */
}

.btn-next-question {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary-700) 0%, #115E59 100%);
  color: var(--white);
  border: none;
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-family: var(--font-poppins);
  font-size: 14.5px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.25);
  transition: all 0.2s ease;
}

.btn-next-question:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(15, 118, 110, 0.35);
  background: linear-gradient(135deg, #0D9488 0%, #14B8A6 100%);
}

/* ==========================================================================
   RESPONSIVE LAYOUT
   ========================================================================== */
@media (max-width: 900px) {
  .latihan-layout-container {
    grid-template-columns: 1fr;
  }

  .latihan-sidebar {
    order: 2;
  }

  .question-main-card {
    padding: 18px 16px;
  }

  .question-card-footer {
    flex-direction: row;
    justify-content: space-between;
    width: 100%;
  }

  .btn-prev-question, .btn-next-question {
    padding: 10px 16px;
    font-size: 13.5px;
  }
}

/* Category Filter Chips Navigation Bar */
.latihan-category-chips {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  margin-top: 10px;
  margin-bottom: 6px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.latihan-category-chips::-webkit-scrollbar {
  display: none;
}

.latihan-category-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-full);
  background-color: var(--white);
  border: 1px solid var(--border-light);
  color: var(--neutral-600);
  font-family: var(--font-poppins);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.latihan-category-chip:hover {
  border-color: var(--primary-500);
  color: var(--primary-700);
  background-color: var(--primary-100);
}

.latihan-category-chip.active {
  background: linear-gradient(135deg, var(--primary-700) 0%, #115E59 100%);
  color: var(--white);
  border-color: var(--primary-700);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(15, 118, 110, 0.2);
}