.etv2-root,
.etv2-root * {
  box-sizing: border-box;
}

.etv2-root {
  --etv2-wine: #6b2737;
  --etv2-wine-strong: #531d2a;
  --etv2-wine-soft: #f7edf0;
  --etv2-stone: #f7f5f2;
  --etv2-stone-2: #ece7e1;
  --etv2-stone-3: #d7d0c8;
  --etv2-ink: #1f2328;
  --etv2-ink-soft: #5f6771;
  --etv2-line: #e3ddd6;
  --etv2-good: #0f7b47;
  --etv2-good-bg: #e8f6ef;
  --etv2-warn: #9a6700;
  --etv2-warn-bg: #fff6dd;
  --etv2-bad: #b42318;
  --etv2-bad-bg: #fff0ef;
  --etv2-blue: #175cd3;
  --etv2-blue-bg: #eef4ff;
  color: var(--etv2-ink);
  padding: 20px;
}

.etv2-shell {
  background: #fff;
  border: 1px solid var(--etv2-line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(37, 25, 18, 0.08);
}

.etv2-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px 0;
}

.etv2-header__eyebrow {
  display: block;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--etv2-ink-soft);
  margin-bottom: 6px;
}

.etv2-header__title {
  font-size: 26px;
  line-height: 1.15;
  font-weight: 700;
}

.etv2-header__summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.etv2-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--etv2-stone);
  color: var(--etv2-ink-soft);
  font-size: 12px;
  font-weight: 600;
}

.etv2-chip--primary {
  background: var(--etv2-wine);
  color: #fff;
}

.etv2-header__actions {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.etv2-btn {
  appearance: none;
  border: 1px solid var(--etv2-line);
  background: #fff;
  color: var(--etv2-ink);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.15s ease;
}

.etv2-btn:hover {
  border-color: var(--etv2-wine);
  color: var(--etv2-wine);
}

.etv2-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.etv2-btn--primary {
  background: var(--etv2-wine);
  border-color: var(--etv2-wine);
  color: #fff;
}

.etv2-btn--primary:hover {
  background: var(--etv2-wine-strong);
  border-color: var(--etv2-wine-strong);
  color: #fff;
}

.etv2-filters {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  padding: 18px 24px 0;
}

.etv2-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.etv2-field--search {
  grid-column: span 2;
}

.etv2-label {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--etv2-ink-soft);
  font-weight: 700;
}

.etv2-select,
.etv2-search {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--etv2-line);
  background: #fff;
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--etv2-ink);
}

.etv2-select:focus,
.etv2-search:focus {
  outline: none;
  border-color: var(--etv2-wine);
  box-shadow: 0 0 0 3px rgba(107, 39, 55, 0.1);
}

.etv2-tabs {
  display: flex;
  gap: 6px;
  padding: 18px 24px 0;
  border-bottom: 1px solid var(--etv2-line);
}

.etv2-tab {
  appearance: none;
  border: none;
  background: transparent;
  border-bottom: 2px solid transparent;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--etv2-ink-soft);
  cursor: pointer;
}

.etv2-tab.is-active {
  color: var(--etv2-wine);
  border-bottom-color: var(--etv2-wine);
}

.etv2-message {
  margin: 16px 24px 0;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 600;
  display: none;
}

.etv2-message.is-visible {
  display: block;
}

.etv2-message[data-tone="error"] {
  background: var(--etv2-bad-bg);
  color: var(--etv2-bad);
}

.etv2-message[data-tone="success"] {
  background: var(--etv2-good-bg);
  color: var(--etv2-good);
}

.etv2-message[data-tone="info"] {
  background: var(--etv2-blue-bg);
  color: var(--etv2-blue);
}

.etv2-body {
  min-height: 520px;
}

.etv2-main {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  min-height: 520px;
}

.etv2-sidebar {
  border-right: 1px solid var(--etv2-line);
  background: linear-gradient(180deg, #fff 0%, #fbfaf8 100%);
}

.etv2-sidebar__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px 10px;
}

.etv2-sidebar__title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--etv2-ink-soft);
}

.etv2-sidebar__count {
  font-size: 11px;
  color: var(--etv2-ink-soft);
  background: var(--etv2-stone-2);
  border-radius: 999px;
  padding: 4px 8px;
}

.etv2-student-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-bottom: 14px;
}

.etv2-student-group {
  border-top: 1px solid var(--etv2-line);
}

.etv2-student-group:first-child {
  border-top: none;
}

.etv2-student-group__summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  cursor: pointer;
  color: var(--etv2-ink);
}

.etv2-student-group__summary::-webkit-details-marker {
  display: none;
}

.etv2-student-group__title {
  font-size: 12px;
  font-weight: 700;
}

.etv2-student-group__title::before {
  content: "\25B6";
  display: inline-block;
  margin-right: 8px;
  font-size: 10px;
  color: var(--etv2-ink-soft);
  transform: translateY(-1px);
}

.etv2-student-group[open] .etv2-student-group__title::before {
  content: "\25BC";
}

.etv2-student-group__count {
  font-size: 11px;
  color: var(--etv2-ink-soft);
  background: var(--etv2-stone-2);
  border-radius: 999px;
  padding: 4px 8px;
}

.etv2-student-group__list {
  display: flex;
  flex-direction: column;
}

.etv2-student {
  appearance: none;
  border: none;
  background: transparent;
  width: 100%;
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 11px 14px;
  border-left: 3px solid transparent;
  cursor: pointer;
  text-align: left;
}

.etv2-student:hover {
  background: #faf7f5;
}

.etv2-student.is-active {
  background: var(--etv2-wine-soft);
  border-left-color: var(--etv2-wine);
}

.etv2-student__avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--etv2-stone-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--etv2-ink-soft);
  flex-shrink: 0;
}

.etv2-student.is-active .etv2-student__avatar {
  background: var(--etv2-wine);
  color: #fff;
}

.etv2-student__copy {
  flex: 1;
  min-width: 0;
}

.etv2-student__name {
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.etv2-student__meta {
  font-size: 11px;
  color: var(--etv2-ink-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.etv2-student__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.etv2-student__tag {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--etv2-stone);
  color: var(--etv2-ink-soft);
  font-size: 10px;
  font-weight: 700;
}

.etv2-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}

.etv2-status[data-tone="pending"] {
  background: var(--etv2-stone-2);
  color: var(--etv2-ink-soft);
}

.etv2-status[data-tone="partial"] {
  background: var(--etv2-warn-bg);
  color: var(--etv2-warn);
}

.etv2-status[data-tone="complete"] {
  background: var(--etv2-good-bg);
  color: var(--etv2-good);
}

.etv2-status__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.etv2-student__score {
  min-width: 54px;
  text-align: right;
  font-size: 12px;
  font-weight: 700;
  color: var(--etv2-ink-soft);
}

.etv2-detail {
  padding: 22px 24px 26px;
}

.etv2-empty {
  display: flex;
  min-height: 320px;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--etv2-ink-soft);
  font-size: 14px;
  padding: 24px;
}

.etv2-detail__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.etv2-detail__identity {
  display: flex;
  gap: 12px;
  align-items: center;
}

.etv2-detail__avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--etv2-wine);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.etv2-detail__name {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.15;
}

.etv2-detail__meta {
  margin-top: 4px;
  font-size: 12px;
  color: var(--etv2-ink-soft);
}

.etv2-detail__meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.etv2-detail__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.etv2-badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  background: var(--etv2-stone);
  color: var(--etv2-ink-soft);
}

.etv2-badge--blue {
  background: var(--etv2-blue-bg);
  color: var(--etv2-blue);
}

.etv2-badge--good {
  background: var(--etv2-good-bg);
  color: var(--etv2-good);
}

.etv2-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.etv2-metric {
  background: var(--etv2-stone);
  border-radius: 14px;
  padding: 13px 14px;
}

.etv2-metric__label {
  font-size: 11px;
  color: var(--etv2-ink-soft);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.etv2-metric__value {
  font-size: 24px;
  font-weight: 700;
}

.etv2-metric__value[data-tone="good"] {
  color: var(--etv2-good);
}

.etv2-sheet {
  border: 1px solid var(--etv2-line);
  border-radius: 16px;
  overflow: hidden;
}

.etv2-sheet__head {
  display: grid;
  grid-template-columns: 220px 1fr 1fr 56px;
  gap: 12px;
  padding: 12px 16px;
  background: var(--etv2-stone);
  font-size: 11px;
  font-weight: 800;
  color: var(--etv2-ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.etv2-row {
  display: grid;
  grid-template-columns: 220px 1fr 1fr 56px;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  border-top: 1px solid var(--etv2-line);
}

.etv2-row__name {
  font-size: 13px;
  font-weight: 700;
}

.etv2-score-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.etv2-score {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--etv2-line);
  background: #fff;
  color: var(--etv2-ink-soft);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.etv2-score:hover {
  border-color: var(--etv2-wine);
  color: var(--etv2-wine);
}

.etv2-score.is-selected[data-value="1"] {
  background: #fee4e2;
  border-color: #f04438;
  color: #b42318;
}

.etv2-score.is-selected[data-value="2"] {
  background: #fff0c2;
  border-color: #f79009;
  color: #b54708;
}

.etv2-score.is-selected[data-value="3"] {
  background: #fff7d6;
  border-color: #eaaa08;
  color: #9a6700;
}

.etv2-score.is-selected[data-value="4"] {
  background: #dbeafe;
  border-color: #2e90fa;
  color: #175cd3;
}

.etv2-score.is-selected[data-value="5"] {
  background: #d1fadf;
  border-color: #12b76a;
  color: #027a48;
}

.etv2-delta {
  text-align: right;
  font-size: 12px;
  font-weight: 800;
}

.etv2-delta[data-tone="good"] {
  color: var(--etv2-good);
}

.etv2-delta[data-tone="bad"] {
  color: var(--etv2-bad);
}

.etv2-delta[data-tone="neutral"] {
  color: var(--etv2-ink-soft);
}

.etv2-scale-legend {
  margin-top: 16px;
  border: 1px solid var(--etv2-line);
  border-radius: 16px;
  background: linear-gradient(180deg, #fff 0%, #fbfaf8 100%);
  padding: 16px;
}

.etv2-scale-legend__head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 12px;
}

.etv2-scale-legend__head strong {
  font-size: 14px;
}

.etv2-scale-legend__head span {
  font-size: 12px;
  color: var(--etv2-ink-soft);
}

.etv2-scale-legend__items {
  display: grid;
  gap: 10px;
}

.etv2-scale-legend__item {
  padding: 12px 14px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--etv2-line);
}

.etv2-scale-legend__item strong {
  display: block;
  font-size: 13px;
  margin-bottom: 4px;
}

.etv2-scale-legend__item p {
  margin: 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--etv2-ink-soft);
}

.etv2-savebar {
  margin-top: 16px;
  background: var(--etv2-stone);
  border-radius: 14px;
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
}

.etv2-savebar__text {
  font-size: 13px;
  color: var(--etv2-ink-soft);
}

.etv2-savebar__actions {
  display: flex;
  gap: 10px;
}

.etv2-ranking,
.etv2-report {
  padding: 22px 24px 26px;
}

.etv2-ranking__item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 80px 76px;
  gap: 12px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--etv2-line);
}

.etv2-ranking__pos {
  font-size: 15px;
  font-weight: 800;
  color: var(--etv2-wine);
  text-align: center;
}

.etv2-ranking__name {
  font-size: 14px;
  font-weight: 700;
}

.etv2-ranking__meta {
  font-size: 12px;
  color: var(--etv2-ink-soft);
}

.etv2-ranking__score,
.etv2-ranking__evo {
  text-align: right;
  font-size: 13px;
  font-weight: 800;
}

.etv2-ranking__evo[data-tone="good"] {
  color: var(--etv2-good);
}

.etv2-ranking__evo[data-tone="bad"] {
  color: var(--etv2-bad);
}

.etv2-report__cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.etv2-report__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.etv2-report__table th,
.etv2-report__table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--etv2-line);
}

.etv2-report__table th {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--etv2-ink-soft);
}

.etv2-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  color: var(--etv2-ink-soft);
  font-size: 14px;
}

@media (max-width: 1100px) {
  .etv2-filters {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .etv2-field--search {
    grid-column: span 3;
  }

  .etv2-main {
    grid-template-columns: 1fr;
  }

  .etv2-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--etv2-line);
  }
}

@media (max-width: 760px) {
  .etv2-root {
    padding: 12px;
  }

  .etv2-header,
  .etv2-filters,
  .etv2-tabs,
  .etv2-ranking,
  .etv2-report,
  .etv2-detail {
    padding-left: 14px;
    padding-right: 14px;
  }

  .etv2-header {
    flex-direction: column;
  }

  .etv2-header__actions,
  .etv2-savebar,
  .etv2-savebar__actions {
    width: 100%;
  }

  .etv2-filters,
  .etv2-metrics,
  .etv2-report__cards {
    grid-template-columns: 1fr;
  }

  .etv2-field--search {
    grid-column: span 1;
  }

  .etv2-sheet__head,
  .etv2-row {
    grid-template-columns: 1fr;
  }

  .etv2-delta {
    text-align: left;
  }

  .etv2-ranking__item {
    grid-template-columns: 28px minmax(0, 1fr);
  }

  .etv2-ranking__score,
  .etv2-ranking__evo {
    text-align: left;
  }
}