/* ==========================================================================
   SIMULASI CBT TKA 2026 - TEMA RESMI PENGUJIAN AKADEMIK
   Desain human-crafted, bersih, berorientasi fokus dan fungsionalitas.
   Bebas dari AI-slop, tanpa gradien neon berlebih, tanpa icon kartun.
   ========================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  
  /* Palet Warna Netral & Formal (Standar CAT / CBT Nasional) */
  --bg-app: #f1f5f9;
  --bg-surface: #ffffff;
  --bg-surface-subtle: #f8fafc;
  --border-color: #cbd5e1;
  --border-strong: #94a3b8;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  /* Aksen Utama */
  --primary-navy: #1e3a8a;
  --primary-navy-hover: #172554;
  --primary-navy-light: #eff6ff;
  
  /* Status Warna Ujian */
  --color-answered: #047857; /* Hijau solid - Sudah dijawab */
  --color-answered-light: #ecfdf5;
  --color-doubt: #d97706;    /* Amber/Kuning - Ragu-ragu */
  --color-doubt-light: #fffbeb;
  --color-unanswered: #f8fafc; /* Putih/abu - Belum dijawab */
  --color-active: #2563eb;   /* Biru cerah - Aktif */
  
  --color-danger: #b91c1c;
  --color-danger-light: #fef2f2;
  
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  
  --font-scale: 1rem;
}

/* Base Reset & Typography */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-scale);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-app);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header Ujian Resmi */
.exam-header {
  background-color: var(--primary-navy);
  color: #ffffff;
  border-bottom: 3px solid #0f172a;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.brand-badge {
  background: #ffffff;
  color: var(--primary-navy);
  font-weight: 800;
  font-size: 0.875rem;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.brand-text h1 {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.brand-text p {
  font-size: 0.75rem;
  color: #cbd5e1;
  font-weight: 400;
}

/* ==========================================================================
   SUB-HEADER & SELECTOR PAKET SOAL
   ========================================================================== */
.exam-sub-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
  position: sticky;
  top: 57px;
  z-index: 95;
}

.sub-header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0.5rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.paket-selector-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.paket-label-title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #475569;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.paket-pill-group {
  display: inline-flex;
  align-items: center;
  background-color: #f1f5f9;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 3px;
  gap: 4px;
}

.paket-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.95rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none !important;
  color: #334155 !important;
  background-color: transparent;
  border-radius: 6px;
  transition: all 0.15s ease-in-out;
  border: 1px solid transparent;
  cursor: pointer;
}

.paket-pill-btn:hover {
  background-color: #ffffff;
  color: #0f172a !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.paket-pill-btn.is-active {
  background-color: var(--primary-navy) !important;
  color: #ffffff !important;
  font-weight: 700;
  box-shadow: 0 2px 5px rgba(30, 58, 138, 0.3);
  border-color: var(--primary-navy);
}

.paket-pill-btn .pill-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #94a3b8;
  transition: all 0.15s ease;
}

.paket-pill-btn.is-active .pill-dot {
  background-color: #10b981;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.4);
}

.paket-pill-btn .pill-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background-color: #e2e8f0;
  color: #475569;
}

.paket-pill-btn.is-active .pill-badge {
  background-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

.paket-status-info {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--primary-navy);
  background-color: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-weight: 500;
}

.exam-meta-controls {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.timer-box {
  background-color: #0f172a;
  border: 1px solid #334155;
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.timer-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: #94a3b8;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.timer-val {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: #38bdf8;
  letter-spacing: 1px;
}

.timer-val.warning {
  color: #f87171;
  animation: timerBlink 1s infinite alternate;
}

@keyframes timerBlink {
  from { opacity: 1; }
  to { opacity: 0.5; }
}

.font-resizer {
  display: flex;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 2px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.font-btn {
  background: transparent;
  border: none;
  color: #ffffff;
  padding: 0.3rem 0.65rem;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 2px;
  transition: background-color 0.15s;
}

.font-btn:hover, .font-btn.active {
  background-color: rgba(255, 255, 255, 0.25);
}

.participant-info {
  font-size: 0.8125rem;
  color: #e2e8f0;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-grid-toggle {
  display: none;
  background: #ffffff;
  color: var(--primary-navy);
  border: none;
  padding: 0.4rem 0.75rem;
  font-weight: 700;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* Layout Kontainer Utama */
.exam-container {
  max-width: 1400px;
  margin: 1.25rem auto;
  padding: 0 1rem;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.25rem;
  flex: 1;
  width: 100%;
}

/* Area Soal (Kolom Kiri) */
.question-viewport {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header-bar {
  background-color: var(--bg-surface-subtle);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.question-number-tag {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary-navy);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.question-type-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background-color: #e2e8f0;
  color: var(--text-secondary);
  border: 1px solid #cbd5e1;
}

.question-type-badge.type-multiple {
  background-color: #e0f2fe;
  color: #0369a1;
  border-color: #bae6fd;
}

.question-type-badge.type-matrix {
  background-color: #fef3c7;
  color: #92400e;
  border-color: #fde68a;
}

.question-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.question-prompt {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text-primary);
  white-space: pre-line;
}

.question-prompt .instruction-note {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 0.5rem;
}

/* Monospace Code Box */
.code-box {
  background-color: #0f172a;
  color: #f8fafc;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.55;
  overflow-x: auto;
  border-left: 4px solid #38bdf8;
  border-top: 1px solid #1e293b;
  border-right: 1px solid #1e293b;
  border-bottom: 1px solid #1e293b;
}

.code-box pre {
  margin: 0;
  font-family: inherit;
}

/* Opsi Pilihan Ganda & Checkbox */
.options-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.option-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.875rem 1.15rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s;
  user-select: none;
}

.option-item:hover {
  background-color: var(--bg-surface-subtle);
  border-color: var(--border-strong);
}

.option-item:has(input:checked),
.option-item.selected {
  border-color: var(--primary-navy);
  background-color: var(--primary-navy-light);
}

.option-control-input {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--primary-navy);
  cursor: pointer;
  margin: 0;
  flex-shrink: 0;
}

.option-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  min-width: 28px;
  background-color: #f1f5f9;
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  flex-shrink: 0;
}

.option-item:has(input:checked) .option-key,
.option-item.selected .option-key {
  background-color: var(--primary-navy);
  color: #ffffff;
  border-color: var(--primary-navy);
}

.option-text {
  flex: 1;
  font-size: 0.96875rem;
  line-height: 1.5;
  color: var(--text-primary);
  margin-top: 2px;
}

/* Matrix Table (Benar / Salah) */
.matrix-table-wrapper {
  overflow-x: auto;
  margin-top: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
}

.matrix-table th, .matrix-table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.matrix-table th {
  background-color: var(--bg-surface-subtle);
  font-weight: 700;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.matrix-table td.col-radio {
  width: 100px;
  text-align: center;
}

.matrix-table th.col-radio {
  width: 100px;
  text-align: center;
}

.matrix-radio-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  cursor: pointer;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
}

.matrix-radio-label input[type="radio"] {
  accent-color: var(--primary-navy);
  width: 17px;
  height: 17px;
  cursor: pointer;
}

.matrix-radio-label:has(input[value="Benar"]:checked),
.matrix-radio-label.selected-benar {
  background-color: #ecfdf5;
  color: #065f46;
}

.matrix-radio-label:has(input[value="Salah"]:checked),
.matrix-radio-label.selected-salah {
  background-color: #fef2f2;
  color: #991b1b;
}

/* Navigasi Bawah Soal */
.action-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.15rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease-in-out;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-secondary {
  background-color: #ffffff;
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
  background-color: #f8fafc;
  border-color: #64748b;
}

.btn-primary {
  background-color: var(--primary-navy);
  color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-navy-hover);
}

.btn-success {
  background-color: #047857;
  color: #ffffff;
}

.btn-success:hover:not(:disabled) {
  background-color: #065f46;
}

/* Checkbox Ragu-Ragu */
.doubt-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  user-select: none;
}

.doubt-toggle input[type="checkbox"] {
  accent-color: #d97706;
  width: 17px;
  height: 17px;
  cursor: pointer;
}

/* Kolom Kanan: Lembar Jawaban / Nomor Soal */
.sidebar-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.nav-card-header {
  background-color: var(--bg-surface-subtle);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.grid-numbers {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  padding: 1rem;
}

.grid-btn {
  height: 42px;
  border: 1px solid var(--border-color);
  background-color: var(--color-unanswered);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: transform 0.1s, border-color 0.15s;
}

.grid-btn:hover {
  border-color: var(--border-strong);
  background-color: #f1f5f9;
}

/* Status Button Grid */
.grid-btn.status-answered {
  background-color: var(--color-answered);
  color: #ffffff;
  border-color: #065f46;
}

.grid-btn.status-doubt {
  background-color: var(--color-doubt);
  color: #ffffff;
  border-color: #b45309;
}

.grid-btn.is-active {
  outline: 2.5px solid var(--color-active);
  outline-offset: 1px;
}

/* Keterangan Status / Legend */
.legend-box {
  padding: 0.875rem 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.8125rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-secondary);
}

.legend-pill {
  width: 18px;
  height: 18px;
  border-radius: 2px;
  border: 1px solid var(--border-color);
}

.legend-pill.pill-answered {
  background-color: var(--color-answered);
  border-color: #065f46;
}

.legend-pill.pill-doubt {
  background-color: var(--color-doubt);
  border-color: #b45309;
}

.legend-pill.pill-unanswered {
  background-color: var(--color-unanswered);
  border-color: var(--border-color);
}

.legend-pill.pill-active {
  background-color: #ffffff;
  outline: 2px solid var(--color-active);
  border-color: var(--border-strong);
}

.completion-stats {
  padding: 0.875rem 1rem;
  background-color: var(--bg-surface-subtle);
  border-top: 1px solid var(--border-color);
  font-size: 0.875rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar-finish-box {
  padding: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.btn-finish-all {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
}

/* Native HTML Dialog Modal */
dialog.custom-dialog {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  padding: 0;
  max-width: 520px;
  width: 90vw;
  margin: auto;
}

dialog.custom-dialog::backdrop {
  background-color: rgba(15, 23, 42, 0.65);
}

.dialog-header {
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-surface-subtle);
}

.dialog-header h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.dialog-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.recap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.recap-card {
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  text-align: center;
  border: 1px solid var(--border-color);
}

.recap-num {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  display: block;
}

.recap-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.recap-card.answered {
  background-color: #ecfdf5;
  border-color: #a7f3d0;
  color: #065f46;
}

.recap-card.doubt {
  background-color: #fffbeb;
  border-color: #fde68a;
  color: #92400e;
}

.recap-card.empty {
  background-color: #f8fafc;
  border-color: #e2e8f0;
  color: #475569;
}

.dialog-warning {
  padding: 0.75rem 1rem;
  background-color: #fef2f2;
  border-left: 4px solid #dc2626;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: #991b1b;
}

.dialog-footer {
  padding: 1rem 1.5rem;
  background-color: var(--bg-surface-subtle);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* ==========================================================================
   HALAMAN HASIL & PEMBAHASAN (RESULT VIEW)
   ========================================================================== */
.result-container {
  max-width: 1080px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}

.result-hero-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2rem;
  align-items: center;
}

.score-display-box {
  background-color: #0f172a;
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 1.5rem 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid #334155;
}

.score-sub {
  font-size: 0.8125rem;
  text-transform: uppercase;
  color: #94a3b8;
  letter-spacing: 1px;
  font-weight: 600;
}

.score-big {
  font-size: 3.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #38bdf8;
  line-height: 1.1;
  margin: 0.35rem 0;
}

.score-scale {
  font-size: 0.8125rem;
  color: #94a3b8;
}

.result-summary-content h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.result-summary-content p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
}

.result-metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.metric-box {
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  text-align: center;
}

.metric-val {
  font-size: 1.25rem;
  font-weight: 800;
  font-family: var(--font-mono);
  display: block;
}

.metric-val.correct { color: #047857; }
.metric-val.incorrect { color: #b91c1c; }
.metric-val.neutral { color: #475569; }

.metric-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.result-actions-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Pembahasan Section */
.discussion-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border-color);
}

.discussion-section-header h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}

.filter-pills {
  display: flex;
  gap: 0.35rem;
  background-color: #e2e8f0;
  padding: 3px;
  border-radius: var(--radius-sm);
}

.filter-btn {
  background: transparent;
  border: none;
  padding: 0.35rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 2px;
  cursor: pointer;
}

.filter-btn.active {
  background-color: #ffffff;
  color: var(--primary-navy);
  box-shadow: var(--shadow-sm);
}

.discussion-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.review-item-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.review-item-card.is-correct {
  border-left: 5px solid #047857;
}

.review-item-card.is-incorrect {
  border-left: 5px solid #b91c1c;
}

.review-card-header {
  padding: 0.875rem 1.25rem;
  background-color: var(--bg-surface-subtle);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.review-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.status-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-badge.correct {
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.status-badge.incorrect {
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.answer-comparison-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  background-color: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
}

.comparison-col strong {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.explanation-box {
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-sm);
  padding: 1rem 1.15rem;
  color: #14532d;
  font-size: 0.9375rem;
  line-height: 1.6;
}

.explanation-title {
  font-weight: 700;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #15803d;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Footer Aplikasi */
.exam-footer {
  margin-top: auto;
  background-color: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 1rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Responsiveness */
@media (max-width: 1024px) {
  .exam-container {
    grid-template-columns: 1fr;
  }
  
  .mobile-grid-toggle {
    display: inline-block;
  }

  .sidebar-panel {
    display: none;
  }

  .sidebar-panel.show-mobile {
    display: flex;
    position: fixed;
    top: 60px;
    right: 0;
    bottom: 0;
    width: 320px;
    max-width: 85vw;
    background: #ffffff;
    z-index: 150;
    box-shadow: -4px 0 15px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
    padding: 1rem;
  }

  .result-hero-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .sub-header-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .paket-selector-wrap {
    width: 100%;
    justify-content: space-between;
  }

  .paket-pill-group {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .paket-pill-btn {
    justify-content: center;
  }

  .paket-status-info {
    justify-content: center;
  }

  .exam-meta-controls {
    width: 100%;
    justify-content: space-between;
  }

  .grid-numbers {
    grid-template-columns: repeat(5, 1fr);
  }

  .result-metrics-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .answer-comparison-box {
    grid-template-columns: 1fr;
  }
}

/* Print Styling */
@media print {
  .exam-header, .filter-pills, .result-actions-bar, .exam-footer {
    display: none !important;
  }
  body, .result-container {
    background: #ffffff !important;
    color: #000000 !important;
    margin: 0 !important;
    padding: 0 !important;
    max-width: 100% !important;
  }
  .card, .review-item-card {
    border: 1px solid #999 !important;
    box-shadow: none !important;
    page-break-inside: avoid;
  }
}