.practice-main {
  display: grid;
  gap: 16px;
}

.practice-mode-grid,
.practice-test-grid,
.practice-point-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.practice-mode-grid button,
.practice-test-grid button {
  min-height: 76px;
  text-align: left;
}

.practice-test-grid button {
  display: grid;
  gap: 4px;
}

.practice-category-list,
.practice-options,
.practice-bars,
.practice-admin-user,
.practice-attempt-list {
  display: grid;
  gap: 10px;
}

.practice-category {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fff;
}

.practice-category-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
}

.practice-category-head h3 {
  margin: 0;
}

.practice-option {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: start;
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  text-align: left;
  padding: 12px;
}

.practice-option:hover:not(:disabled),
.practice-option.selected {
  border-color: var(--brand);
  background: #ecfdf5;
  color: var(--text);
}

.practice-option:disabled {
  cursor: default;
  opacity: 1;
}

.practice-option.correct {
  border-color: var(--good);
  background: #f0fdf4;
}

.practice-option.wrong {
  border-color: var(--bad);
  background: #fef2f2;
}

.option-letter {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: #e8eef2;
  font-weight: 700;
}

.practice-option p {
  margin: 0;
}

.practice-image img {
  max-height: 420px;
  object-fit: contain;
  background: #fff;
}

.practice-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.mock-timer-pill {
  gap: 4px;
}

.mock-timer-pill strong {
  font-size: 14px;
}

.mock-end-button {
  padding: 7px 10px;
}

.mock-test-layout {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.mock-test-content {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.mock-question-nav {
  position: sticky;
  top: 10px;
  display: grid;
  gap: 8px;
  padding: 10px;
}

.mock-nav-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
}

.mock-nav-head span,
.mock-nav-legend {
  color: var(--muted);
  font-size: 12px;
}

.mock-nav-legend {
  display: grid;
  gap: 4px;
}

.mock-nav-legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.mock-nav-legend i {
  width: 9px;
  height: 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f8fafc;
}

.mock-nav-legend i.answered {
  border-color: var(--brand);
  background: #ecfdf5;
}

.mock-nav-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
}

.mock-nav-grid button {
  min-width: 0;
  height: 26px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f8fafc;
  color: var(--muted);
  font-size: 12px;
  line-height: 1;
}

.mock-nav-grid button.answered {
  border-color: var(--brand);
  background: #ecfdf5;
  color: var(--brand);
}

.mock-nav-grid button.current {
  border-color: var(--text);
  color: var(--text);
  font-weight: 700;
  box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.08);
}

.practice-bars {
  margin-top: 8px;
}

.practice-bars.nested {
  margin: 8px 0 16px;
}

.practice-bar-row {
  display: grid;
  grid-template-columns: minmax(110px, 180px) minmax(120px, 1fr) 52px 70px;
  gap: 8px;
  align-items: center;
}

.practice-bar {
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8eef2;
}

.practice-bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--brand);
}

.practice-bar-row em {
  color: var(--muted);
  font-style: normal;
  font-size: 13px;
}

.practice-line {
  width: 100%;
  height: 140px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--brand);
  background: #fff;
  padding: 8px;
}

.practice-attempt-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.practice-attempt-list span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  padding: 4px 9px;
  color: var(--muted);
  font-size: 13px;
}

.practice-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.practice-toggle input {
  width: auto;
}

.practice-admin-search {
  max-width: 260px;
}

.practice-admin-summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
}

.practice-admin-summary::-webkit-details-marker {
  display: none;
}

.practice-admin-summary h3 {
  margin: 0 0 8px;
}

.practice-admin-detail {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

details summary {
  cursor: pointer;
  color: var(--brand);
  font-weight: 700;
  margin: 10px 0;
}

@media (max-width: 720px) {
  .mock-test-layout {
    grid-template-columns: 1fr;
  }

  .mock-question-nav {
    position: static;
  }

  .mock-nav-grid {
    grid-template-columns: repeat(10, minmax(24px, 1fr));
  }

  .practice-category-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .practice-bar-row {
    grid-template-columns: 1fr 52px;
  }

  .practice-bar-row span,
  .practice-bar-row .practice-bar {
    grid-column: 1 / -1;
  }
}