:root {
  color-scheme: light;
  --paper: #f6f8f5;
  --surface: #ffffff;
  --ink: #1f2a2e;
  --muted: #68787a;
  --line: #dbe2de;
  --green: #2f7d6d;
  --green-dark: #246356;
  --saffron: #d88a32;
  --rose: #b94f5f;
  --blue: #385f87;
  --shadow: 0 14px 34px rgba(31, 42, 46, 0.09);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.app-shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0 36px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  flex: 0 0 auto;
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(47, 125, 109, 0.22);
}

h1 {
  margin: 0;
  font-size: 1.7rem;
  line-height: 1.1;
  letter-spacing: 0;
}

.brand p,
.form-status {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.entry-total {
  display: grid;
  min-width: 96px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-align: right;
}

.entry-total strong {
  color: var(--green-dark);
  font-size: 1.3rem;
}

.entry-total span {
  color: var(--muted);
  font-size: 0.85rem;
}

.tabbar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}

.tab-button,
.segment,
.primary-button,
.secondary-button,
.grade-button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.tab-button:hover,
.segment:hover,
.secondary-button:hover,
.grade-button:hover {
  border-color: #b8c6bf;
}

.tab-button.is-active,
.segment.is-active {
  border-color: var(--green);
  background: #e8f3ef;
  color: var(--green-dark);
}

.primary-button {
  border-color: var(--green);
  background: var(--green);
  color: #ffffff;
  font-weight: 700;
}

.primary-button:hover {
  background: var(--green-dark);
}

.secondary-button {
  font-weight: 700;
}

.view {
  display: grid;
  gap: 16px;
}

.panel,
.trainer-card,
.entry-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel {
  padding: 16px;
}

.trainer-panel {
  display: grid;
  gap: 16px;
}

.controls-row,
.dictionary-tools {
  display: grid;
  grid-template-columns: minmax(260px, 1.5fr) minmax(180px, 1fr) minmax(132px, auto);
  gap: 12px;
  align-items: end;
}

.training-actions {
  display: grid;
  grid-template-columns: minmax(104px, 0.8fr) minmax(180px, 1.2fr);
  gap: 8px;
}

.field {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.field-label,
.prompt-label,
.card-answer span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  color: var(--ink);
  padding: 10px 12px;
}

textarea {
  resize: vertical;
}

.progress-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.metric {
  min-height: 72px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: #fbfcfb;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
}

.metric strong {
  display: block;
  margin-top: 6px;
  color: var(--ink);
  font-size: 1.6rem;
  line-height: 1;
}

.trainer-card {
  display: grid;
  gap: 18px;
  min-height: 360px;
  padding: 20px;
}

.card-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.card-prompt {
  display: flex;
  align-items: center;
  min-height: 112px;
  overflow-wrap: anywhere;
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0;
}

.card-answer {
  display: grid;
  gap: 6px;
  min-height: 76px;
  border-left: 4px solid var(--saffron);
  padding: 8px 0 8px 14px;
}

.card-answer[hidden] {
  display: none;
}

.card-answer strong {
  overflow-wrap: anywhere;
  font-size: 1.55rem;
  line-height: 1.2;
}

.card-edit-form {
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.card-edit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.card-edit-wide {
  grid-column: 1 / -1;
}

.card-edit-actions {
  display: grid;
  grid-template-columns: minmax(180px, 0.7fr) minmax(120px, 0.45fr) minmax(180px, 1fr);
  gap: 10px;
  align-items: center;
}

.card-actions {
  display: grid;
  grid-template-columns: minmax(120px, 0.45fr) minmax(130px, 0.55fr) minmax(260px, 1.4fr);
  gap: 12px;
  align-items: stretch;
}

.grade-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.grade-button {
  font-weight: 700;
}

.grade-button.good {
  border-color: rgba(47, 125, 109, 0.5);
  color: var(--green-dark);
}

.grade-button.almost {
  border-color: rgba(216, 138, 50, 0.55);
  color: #8a551d;
}

.grade-button.wrong {
  border-color: rgba(185, 79, 95, 0.5);
  color: var(--rose);
}

.entry-list {
  display: grid;
  gap: 10px;
}

.entry-row {
  display: grid;
  grid-template-columns: minmax(140px, 0.8fr) minmax(180px, 0.95fr) minmax(260px, 1.55fr) minmax(104px, auto);
  gap: 18px;
  align-items: start;
  padding: 16px;
}

.entry-cell {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.entry-label {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}

.entry-value {
  display: block;
  margin: 0;
  overflow-wrap: anywhere;
  line-height: 1.35;
}

strong.entry-value {
  font-weight: 800;
}

p.entry-value {
  font-weight: 400;
}

.status-cell {
  justify-items: start;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  border: 1px solid rgba(56, 95, 135, 0.28);
  border-radius: 8px;
  padding: 3px 8px;
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
}

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

.span-2 {
  grid-column: 1 / -1;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.admin-summary-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.admin-notice {
  min-height: 48px;
  border: 1px solid rgba(56, 95, 135, 0.24);
  border-radius: 8px;
  background: #eef4f8;
  padding: 12px 14px;
  font-weight: 700;
  line-height: 1.45;
}

.admin-notice.warning {
  border-color: rgba(216, 138, 50, 0.38);
  background: #fbf0e3;
}

.admin-notice.done {
  border-color: rgba(47, 125, 109, 0.34);
  background: #e8f3ef;
}

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.admin-filters,
.admin-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 8px;
}

.admin-token-field {
  width: min(260px, 100%);
}

.filter-button,
.admin-reject-button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  padding: 8px 12px;
  font-weight: 700;
}

.filter-button.is-active {
  border-color: var(--green);
  background: #e8f3ef;
  color: var(--green-dark);
}

.admin-reject-button {
  border-color: rgba(185, 79, 95, 0.35);
  background: #f8e9ec;
  color: var(--rose);
}

.admin-review-list {
  display: grid;
  gap: 10px;
}

.admin-card {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 14px;
}

.admin-card-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.admin-line {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.admin-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px 8px;
  color: var(--blue);
  background: #e8eef5;
  font-size: 0.82rem;
  font-weight: 700;
}

.admin-chip.approved,
.admin-chip.confirmed {
  border-color: rgba(47, 125, 109, 0.34);
  color: var(--green-dark);
  background: #e8f3ef;
}

.admin-chip.skip {
  border-color: rgba(185, 79, 95, 0.28);
  color: var(--rose);
  background: #f8e9ec;
}

.admin-chip.duplicate,
.admin-chip.needs_check {
  border-color: rgba(216, 138, 50, 0.32);
  color: #87561f;
  background: #fbf0e3;
}

.admin-text-grid {
  display: grid;
  grid-template-columns: minmax(170px, 0.8fr) minmax(220px, 1fr) minmax(260px, 1.3fr);
  gap: 10px;
}

.admin-wide-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr) minmax(220px, 1fr);
  gap: 10px;
}

.admin-detail {
  border-left: 4px solid var(--saffron);
  padding: 8px 0 8px 10px;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.admin-detail strong {
  color: var(--ink);
}

.admin-row-warning {
  border-left: 4px solid var(--rose);
  padding: 8px 0 8px 10px;
  color: var(--rose);
  font-weight: 700;
}

.admin-card-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.admin-empty {
  text-align: center;
  color: var(--muted);
}

[hidden] {
  display: none !important;
}

@media (max-width: 820px) {
  .app-shell {
    width: min(100% - 20px, 680px);
    padding-top: 10px;
  }

  .topbar {
    align-items: flex-start;
  }

  .entry-total {
    min-width: 78px;
    padding: 8px 10px;
  }

  .controls-row,
  .training-actions,
  .dictionary-tools,
  .card-actions,
  .card-edit-grid,
  .card-edit-actions,
  .entry-row,
  .form-grid,
  .admin-summary-grid,
  .admin-text-grid,
  .admin-wide-grid,
  .admin-card-actions {
    grid-template-columns: 1fr;
  }

  .span-2 {
    grid-column: auto;
  }

  .progress-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  h1 {
    font-size: 1.45rem;
  }

  .card-prompt {
    font-size: 2.35rem;
  }

  .card-answer strong {
    font-size: 1.35rem;
  }
}

@media (max-width: 520px) {
  .topbar {
    display: grid;
  }

  .entry-total {
    width: 100%;
    text-align: left;
  }

  .tabbar,
  .segmented,
  .grade-actions {
    grid-template-columns: 1fr;
  }

  .trainer-card {
    min-height: 430px;
    padding: 16px;
  }

  .card-prompt {
    font-size: 2rem;
  }

  .card-answer strong {
    font-size: 1.2rem;
  }
}