body.offline-tests-page {
  background:
    radial-gradient(circle at top right, rgba(var(--primary-color-rgb), 0.12), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.28) 0%, transparent 100%),
    var(--bg-color);
}

.offline-shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.offline-layout {
  display: grid;
  grid-template-columns: minmax(340px, 420px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.offline-page-header,
.offline-card,
.offline-status-panel,
.offline-question-card,
.offline-result section {
  background: var(--card-bg);
  border: 1px solid rgba(var(--primary-color-rgb), 0.18);
  border-radius: 16px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
}

.offline-page-header {
  position: relative;
  overflow: hidden;
  padding: 26px 24px;
  margin-bottom: 24px;
}

.offline-page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(var(--primary-color-rgb), 0.08), transparent 45%);
  pointer-events: none;
}

.offline-page-header > * {
  position: relative;
}

.offline-page-header h1 {
  margin-bottom: 16px;
}

.offline-page-header-compact h1 {
  margin-bottom: 14px;
}

.offline-page-header .tests-nav {
  margin-bottom: 18px;
}

.offline-page-lead {
  margin: 0;
  max-width: 760px;
  color: var(--text-color);
  opacity: 0.92;
  font-size: 1.05rem;
}

.offline-page-note {
  margin: 12px 0 0;
  max-width: 760px;
  color: var(--text-muted);
  font-size: 0.96rem;
}

.offline-card,
.offline-status-panel,
.offline-result section,
.offline-question-card {
  padding: 24px;
}

.offline-card h2,
.offline-result h2 {
  margin-bottom: 0.55rem;
}

.offline-card-head {
  margin-bottom: 18px;
}

.offline-note {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.6;
}

.offline-form {
  display: grid;
  gap: 18px;
}

.offline-form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.offline-field {
  display: grid;
  gap: 8px;
}

.offline-field span {
  color: var(--text-color);
  font-weight: 700;
  font-size: 0.95rem;
}

.offline-field input,
.offline-field select {
  width: 100%;
  min-height: 48px;
  padding: 0.8rem 0.95rem;
  border: 1px solid rgba(var(--primary-color-rgb), 0.35);
  border-radius: 12px;
  background: var(--card-bg);
  color: var(--text-color);
  font: inherit;
}

.offline-field input:focus,
.offline-field select:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 4px rgba(var(--accent-color-rgb), 0.18);
}

.offline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.btn.disabled {
  pointer-events: none;
  opacity: var(--btn-disabled-opacity);
  box-shadow: none;
  transform: none;
}

.offline-status {
  min-height: 24px;
  margin-top: 14px;
  color: var(--text-muted);
}

.offline-status-panel {
  margin-bottom: 18px;
  color: var(--text-muted);
}

.offline-status.success,
.offline-status-panel.success {
  color: var(--success-color);
}

.offline-status.error,
.offline-status-panel.error {
  color: var(--danger-color);
}

.offline-status.pending,
.offline-status-panel.pending {
  color: var(--primary-color);
}

.offline-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.offline-package-list {
  display: grid;
  gap: 16px;
}

.offline-package-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px;
  border: 1px solid rgba(var(--primary-color-rgb), 0.18);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.7), transparent), var(--light-color);
}

.offline-package-item.expired {
  border-color: rgba(var(--danger-color-rgb), 0.28);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent), rgba(var(--danger-color-rgb), 0.06);
}

.offline-package-title {
  margin: 0;
  font-size: 1.18rem;
  font-weight: 700;
}

.offline-package-subtitle {
  margin: 6px 0 0;
  color: var(--text-muted);
  font-size: 0.94rem;
}

.offline-empty {
  padding: 20px;
  border: 1px dashed rgba(var(--primary-color-rgb), 0.28);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.35);
  color: var(--text-muted);
}

.hidden {
  display: none !important;
}

.offline-progress-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 10px;
  color: var(--text-muted);
  font-weight: 700;
}

.offline-progress-bar {
  height: 12px;
  border-radius: 999px;
  background: rgba(var(--primary-color-rgb), 0.14);
  overflow: hidden;
  margin-bottom: 18px;
}

.offline-progress-fill {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), #b9855a);
}

.offline-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.offline-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(var(--primary-color-rgb), 0.08);
  color: var(--primary-color);
  font-size: 0.82rem;
  font-weight: 700;
}

.offline-question-title {
  margin: 0 0 20px;
  font-size: clamp(1.5rem, 2.8vw, 2.15rem);
  line-height: 1.3;
}

.offline-answer-list {
  display: grid;
  gap: 12px;
}

.offline-answer-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border: 1px solid rgba(var(--primary-color-rgb), 0.18);
  border-radius: 14px;
  background: var(--card-bg);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.offline-answer-option:has(input:not(:disabled)):hover {
  transform: translateY(-1px);
  border-color: rgba(var(--primary-color-rgb), 0.38);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

.offline-answer-option input {
  margin-top: 4px;
  accent-color: var(--primary-color);
}

.offline-answer-option.correct {
  border-color: rgba(var(--success-color-rgb), 0.34);
  background: var(--answer-correct-bg);
}

.offline-answer-option.wrong {
  border-color: rgba(var(--danger-color-rgb), 0.34);
  background: var(--answer-incorrect-bg);
}

.offline-feedback {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 14px;
  line-height: 1.6;
}

.offline-feedback.success {
  background: var(--answer-correct-bg);
  color: var(--answer-correct-text);
}

.offline-feedback.error {
  background: var(--answer-incorrect-bg);
  color: var(--answer-incorrect-text);
}

.offline-feedback-line + .offline-feedback-line {
  margin-top: 8px;
}

.question-actions {
  margin-top: 20px;
}

.offline-result-score {
  margin: 6px 0 10px;
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  line-height: 1;
}

@media (max-width: 980px) {
  .offline-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .offline-shell {
    width: min(100vw - 18px, 1180px);
    padding-top: 16px;
  }

  .offline-page-header,
  .offline-card,
  .offline-status-panel,
  .offline-question-card,
  .offline-result section {
    padding: 18px;
    border-radius: 14px;
  }

  .offline-form-row,
  .offline-section-head,
  .offline-package-item,
  .offline-progress-head {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .offline-page-header .tests-nav {
    flex-direction: column;
  }
}