:root {
  --bg: #f6f7f4;
  --panel: #ffffff;
  --ink: #1d2527;
  --muted: #637072;
  --line: #d9dfda;
  --accent: #256f63;
  --accent-strong: #174f47;
  --gold: #f2b84b;
  --blue: #27698f;
  --warn: #b45422;
  --bad: #a83232;
  --soft: #f9fbf7;
  --shadow: 0 16px 40px rgba(31, 45, 43, 0.10);
  --shadow-lift: 0 22px 56px rgba(31, 45, 43, 0.16);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 14px;
  color: var(--ink);
  background: #fff;
  cursor: pointer;
  transition: transform 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease), box-shadow 160ms var(--ease), color 160ms var(--ease);
}

button:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(31, 45, 43, 0.08);
}

button:disabled {
  transform: none;
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.55;
}

.primary {
  border-color: var(--accent);
  color: #fff;
  background: var(--accent);
}

.primary:hover {
  background: var(--accent-strong);
}

.danger {
  color: var(--bad);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  max-width: 1560px;
  margin: 0 auto;
  padding: 18px 24px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.55rem, 3vw, 2.6rem);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  font-size: 1.15rem;
  letter-spacing: 0;
}

h3 {
  font-size: 1rem;
}

.title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.version-status {
  position: relative;
  display: inline-flex;
}

.eyebrow {
  margin-bottom: 6px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.beta-badge,
.footer-version {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 26px;
  border: 1px solid rgba(242, 184, 75, 0.72);
  border-radius: 999px;
  padding: 4px 10px;
  color: #6f4600;
  background: #fff4d6;
  font-size: 0.74rem;
  font-weight: 850;
  line-height: 1;
  white-space: nowrap;
  text-transform: uppercase;
}

.beta-badge:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.beta-badge.is-stale::after {
  content: "";
  position: absolute;
  top: -2px;
  right: -2px;
  width: 7px;
  height: 7px;
  border: 2px solid var(--bg);
  border-radius: 50%;
  background: var(--warn);
}

.version-tooltip {
  position: absolute;
  top: calc(100% + 9px);
  left: 50%;
  z-index: 30;
  width: max-content;
  max-width: min(280px, calc(100vw - 28px));
  padding: 8px 10px;
  border: 1px solid #cbd5d0;
  border-radius: 7px;
  color: #fff;
  background: var(--ink);
  box-shadow: 0 10px 24px rgba(31, 45, 43, 0.18);
  font-size: 0.76rem;
  font-weight: 650;
  line-height: 1.4;
  text-align: left;
  text-transform: none;
  white-space: normal;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -4px);
  transition: opacity 140ms var(--ease), transform 140ms var(--ease);
}

.version-tooltip::before {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  border: 5px solid transparent;
  border-bottom-color: var(--ink);
  transform: translateX(-50%);
}

.version-status:hover .version-tooltip,
.version-status:focus-within .version-tooltip {
  opacity: 1;
  transform: translate(-50%, 0);
}

.tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  width: min(100%, 540px);
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.74);
}

.tab {
  position: relative;
  overflow: hidden;
  border: 0;
  background: transparent;
}

.tab.is-active {
  color: #fff;
  background: var(--ink);
  box-shadow: inset 0 -3px 0 var(--gold);
}

main {
  max-width: 1560px;
  margin: 0 auto;
  padding: 12px 24px 24px;
}

.app-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  max-width: 1560px;
  margin: 0 auto;
  padding: 18px 24px 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: var(--bg);
  font-size: 0.86rem;
}

.app-footer > div {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  min-width: 0;
}

.app-footer strong {
  color: var(--ink);
}

.page {
  display: none;
  min-width: 0;
}

.page.is-active {
  display: block;
  animation: pageIn 180ms ease-out both;
}

.is-hidden {
  display: none !important;
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(340px, 430px) minmax(720px, 1fr);
  gap: 24px;
  align-items: stretch;
}

.panel,
.export-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
}

.panel:hover,
.export-panel:hover {
  box-shadow: var(--shadow-lift);
}

.panel {
  padding: 22px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  min-width: 0;
}

.panel-head > div {
  min-width: 0;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.button-row.compact button {
  min-height: 36px;
  padding-inline: 11px;
}

.comments-head-actions {
  align-items: center;
  justify-content: flex-end;
}

.comments-head-actions .ai-badge {
  min-height: 32px;
}

.import-panel {
  position: sticky;
  top: 104px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
}

.import-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(86px, auto);
  gap: 10px;
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.import-actions button {
  min-height: 48px;
}

.snapshot-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.import-status-row {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  border: 1px solid #cddbd4;
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--accent-strong);
  background: #f1f7f3;
}

.import-status-indicator {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(37, 111, 99, 0.14);
}

.import-status-content {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.import-status-label {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.import-status-values {
  display: flex;
  align-items: baseline;
  gap: 6px;
  min-width: 0;
  overflow: hidden;
  font-size: 0.86rem;
  font-weight: 800;
  line-height: 1.3;
}

.import-status-row[data-state="loading"] {
  border-color: #d6bd7a;
  color: #72510b;
  background: #fff8e6;
}

.import-status-row[data-state="error"] {
  border-color: #e2b4ae;
  color: #8d2f2b;
  background: #fff6f4;
}

.source-status,
.status-source {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
}

.status-source::before {
  content: ".";
  margin-right: 6px;
}

.drop-zone {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 84px;
  border: 1px dashed #a9bab2;
  border-radius: 8px;
  color: var(--muted);
  text-align: left;
  background: #f8fbf8;
  padding: 14px;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.drop-zone:hover,
.drop-zone.is-over {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: #edf8f1;
}

.drop-zone input {
  display: none;
}

.drop-zone strong {
  display: block;
  margin-bottom: 3px;
  color: var(--ink);
  font-size: 0.95rem;
}

.drop-zone span {
  display: block;
  line-height: 1.35;
}

.upload-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 8px;
  color: var(--accent-strong);
  background: #e8f3ed;
  font-size: 0.86rem;
  font-weight: 900;
}

.field {
  display: grid;
  gap: 7px;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
  color: var(--ink);
  background: #fff;
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease), background-color 160ms var(--ease);
}

input:focus,
select:focus,
textarea:focus {
  outline: 0;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(37, 111, 99, 0.13);
}

textarea {
  min-height: 210px;
  resize: vertical;
  line-height: 1.45;
}

.paste-field textarea {
  min-height: 210px;
}

.status-pill {
  display: inline-block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border-radius: 999px;
  padding: 7px 10px;
  color: var(--accent-strong);
  background: #e3f1ea;
  font-size: 0.82rem;
  font-weight: 700;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.metric-card {
  display: grid;
  gap: 5px;
  min-height: 72px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px;
  background: var(--soft);
}

.metric-card span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.25;
}

.metric-card strong {
  align-self: end;
  color: var(--ink);
  font-size: 1.45rem;
  line-height: 1;
}

.metric-card small {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.25;
}

.metric-card.source-metric strong {
  font-size: 0.98rem;
  line-height: 1.15;
}

.task-summary {
  display: grid;
  gap: 8px;
  align-content: start;
}

.import-confirm-row {
  margin-top: 12px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.import-confirm-row button {
  width: 100%;
}

.task-card,
.student-row,
.comment-card,
.achievement-note,
.flag-list,
.empty-state,
.task-detail-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.task-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, auto);
  gap: 10px;
  align-items: center;
  padding: 12px;
}

.task-card h3,
.task-detail-card h3 {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
  overflow-wrap: anywhere;
}

.task-card p,
.task-detail-card p {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.4;
}

.empty-state,
.empty-detail {
  display: grid;
  gap: 6px;
  padding: 18px;
  color: var(--muted);
  line-height: 1.45;
}

.empty-state strong,
.empty-detail strong {
  color: var(--ink);
}

.student-page {
  display: grid;
  grid-template-columns: minmax(320px, 430px) minmax(680px, 1fr);
  gap: 24px;
  align-items: start;
}

.student-list-panel {
  position: sticky;
  top: 104px;
}

.student-tools {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 10px;
  margin-bottom: 12px;
}

.student-list {
  display: grid;
  gap: 8px;
  max-height: calc(100dvh - 250px);
  min-height: 260px;
  overflow: auto;
  padding-right: 4px;
}

.student-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 9px;
  align-items: center;
  min-height: 64px;
  padding: 10px 12px;
  text-align: left;
}

.student-row.is-active {
  border-color: var(--accent);
  background: #edf8f1;
  box-shadow: 0 0 0 3px rgba(37, 111, 99, 0.1);
}

.student-row strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.student-row span {
  color: var(--muted);
  font-size: 0.78rem;
}

.grade-badge,
.rating-badge,
.check-badge,
.status-chip,
.ai-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 26px;
  border-radius: 7px;
  padding: 4px 9px;
  font-size: 0.75rem;
  font-weight: 850;
  white-space: nowrap;
}

.grade-badge {
  min-width: 36px;
  border: 1px solid #cfd8d3;
  color: #2b3633;
  background: #f8faf8;
}

.grade-badge.grade-a {
  border-color: #1f7a59;
  color: #fff;
  background: #1f7a59;
}

.rating-always {
  background: #dff1e8;
  color: #174f47;
}

.grade-badge.grade-b {
  border-color: #27698f;
  color: #fff;
  background: #27698f;
}

.rating-consistently {
  background: #e5f0f5;
  color: #1f5574;
}

.grade-badge.grade-c {
  border-color: #e5bd62;
  color: #6f4600;
  background: #fff0bf;
}

.rating-usually {
  background: #fff4d6;
  color: #6f4600;
}

.grade-badge.grade-d {
  border-color: #df9d5d;
  color: #7a3d00;
  background: #ffe1c2;
}

.grade-badge.grade-e {
  border-color: #d88f88;
  color: #8d2f2b;
  background: #ffd8d3;
}

.rating-sometimes {
  background: #fff0ec;
  color: #8d2f2b;
}

.rating-exclude {
  background: #e8ecea;
  color: #596460;
}

.check-badge {
  border: 1px solid #dce3df;
  color: #52605c;
  background: #fff;
}

.status-chip {
  border: 1px solid #d8dfdb;
  color: #52605c;
  background: #eef2f0;
}

.status-chip.status-excluded {
  border-color: #d2d8d5;
  color: #4e5a56;
  background: #e8ecea;
}

.status-chip.status-blank {
  border-color: #e4cfa4;
  color: #805600;
  background: #fff4d6;
}

.overall-cell {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
  justify-content: flex-start;
  max-width: 100%;
}

.score-text {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
  white-space: nowrap;
}

.student-detail {
  display: grid;
  gap: 16px;
}

.detail-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.detail-head h2 {
  font-size: 1.45rem;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.ai-status {
  display: grid;
  gap: 5px;
  min-width: 220px;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: right;
}

.ai-status strong {
  color: var(--ink);
}

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.achievement-control {
  display: grid;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--soft);
}

.achievement-control span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.flag-list {
  display: grid;
  gap: 8px;
  border-color: #ddb461;
  background: #fff8e8;
  padding: 12px;
  color: #8a5b00;
  font-size: 0.86rem;
  font-weight: 700;
}

.task-detail-grid {
  display: grid;
  gap: 12px;
}

.task-detail-card {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.task-detail-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(150px, auto);
  gap: 12px;
  align-items: start;
}

.task-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
}

.task-result-cell {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.task-edit-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) minmax(220px, 1.2fr) minmax(120px, 0.7fr) minmax(96px, 0.5fr) minmax(82px, 0.45fr);
  gap: 10px;
  align-items: end;
}

.mini-field {
  display: grid;
  gap: 5px;
  min-width: 0;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.mini-field input,
.mini-field select {
  min-height: 38px;
  padding: 8px 9px;
  font-size: 0.88rem;
}

.criteria-editor {
  display: grid;
  gap: 8px;
}

.criteria-edit-row {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 96px 96px minmax(110px, 0.55fr);
  gap: 10px;
  align-items: end;
  border: 1px solid #e4ebe6;
  border-radius: 8px;
  padding: 9px;
  background: #fff;
  color: var(--muted);
  font-size: 0.82rem;
}

.criteria-name-field {
  min-width: 0;
}

.bar-track {
  display: block;
  align-self: center;
  height: 14px;
  overflow: hidden;
  border-radius: 999px;
  background: #e2e8e4;
}

.progress-field {
  align-self: end;
}

.bar-fill {
  display: block;
  height: 100%;
  width: var(--value, 0%);
  border-radius: inherit;
  background: var(--accent);
}

.comment-card {
  display: grid;
  gap: 7px;
  padding: 12px;
  background: #fff;
  color: var(--ink);
  line-height: 1.45;
}

.comment-card span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.task-comment-field textarea {
  min-height: 96px;
}

.report-editor {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fff;
}

.report-editor textarea {
  min-height: 180px;
}

.report-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
}

.ai-badge {
  color: #52605c;
  background: #e4e8e6;
}

.ai-badge.is-ready {
  color: var(--accent-strong);
  background: #e3f1ea;
}

.table-wrap {
  max-width: 100%;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.comments-list-wrap {
  max-width: 100%;
}

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

.comment-student-card {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
}

.comment-student-card.is-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 111, 99, 0.10);
}

.comment-card-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(170px, 0.72fr) minmax(220px, 0.95fr) minmax(480px, 1.85fr);
  gap: 10px;
  align-items: stretch;
}

.comment-info-card {
  display: grid;
  align-content: start;
  gap: 7px;
  min-height: 108px;
  border: 1px solid #e1e8e4;
  border-radius: 8px;
  padding: 11px;
  background: var(--soft);
}

.comment-info-card strong {
  overflow-wrap: anywhere;
}

.comment-info-label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-transform: uppercase;
}

.comment-name-card span:not(.comment-info-label),
.comment-info-card p {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.comment-info-card .overall-cell {
  gap: 9px;
}

.comment-info-card .grade-badge {
  min-height: 32px;
  min-width: 42px;
  font-size: 0.86rem;
}

.comment-info-card .score-text {
  font-size: 0.86rem;
}

.comment-checks .check-list {
  max-height: 68px;
  overflow: auto;
  padding-right: 3px;
}

.learner-values-card {
  min-width: 0;
}

.learner-select-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(170px, 1fr));
  gap: 10px;
  min-width: 0;
}

.learner-select-field {
  display: grid;
  gap: 6px;
  min-width: 0;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.comment-report-field {
  display: grid;
  gap: 7px;
}

.comment-report-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.comment-report-head .button-row {
  justify-content: flex-end;
}

.comment-report-field textarea {
  width: 100%;
  min-height: 164px;
}

.review-table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
  background: #fff;
}

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

.review-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  color: var(--accent-strong);
  background: #edf4ef;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.review-table tbody tr:hover {
  background: #fbfdfb;
}

.review-table textarea {
  min-height: 94px;
  min-width: 320px;
}

.achievement-table select,
.table-achievement-select {
  width: 100%;
  min-width: 0;
  max-width: none;
  justify-self: start;
  min-height: 44px;
  padding: 10px 34px 10px 11px;
  font-size: 0.9rem;
  font-weight: 720;
}

.check-list {
  display: grid;
  gap: 4px;
  color: #8a5b00;
  font-size: 0.82rem;
}

.export-panel {
  overflow: hidden;
}

.export-panel .panel-head,
.export-summary {
  padding: 22px;
}

.export-grid {
  display: grid;
  grid-template-columns: minmax(360px, 500px) minmax(0, 1fr);
  align-items: stretch;
  border-top: 1px solid var(--line);
}

.export-summary {
  display: grid;
  align-content: start;
  gap: 18px;
  background: var(--soft);
}

.validation {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.9rem;
}

.validation-alert,
.validation-ready {
  display: grid;
  gap: 7px;
  border-radius: 8px;
  padding: 12px 14px;
  line-height: 1.35;
}

.validation-alert {
  border: 1px solid #ddb461;
  border-left: 4px solid #b97800;
  color: #8a5b00;
  background: #fff8e8;
}

.validation-ready {
  border: 1px solid #b9d6c7;
  border-left: 4px solid var(--accent);
  color: var(--accent-strong);
  background: #edf7f1;
}

.settings-block {
  display: grid;
  gap: 12px;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--ink);
  background: var(--soft);
  font-size: 0.9rem;
  font-weight: 700;
}

.toggle input {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
}

pre {
  min-height: 0;
  height: 560px;
  overflow: auto;
  align-self: stretch;
  margin: 0;
  padding: 18px;
  border: 0;
  border-left: 1px solid var(--line);
  background: #17211f;
  color: #e7fff7;
  font-size: 0.82rem;
  line-height: 1.55;
  white-space: pre;
  word-break: normal;
}

.entry-view {
  min-width: 0;
  min-height: 560px;
  border-left: 1px solid var(--line);
  background: #fff;
}

.entry-view-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  background: #fbfdfb;
}

.entry-table-wrap {
  max-width: 100%;
  height: 500px;
  overflow: auto;
}

.entry-table {
  width: 100%;
  min-width: 1180px;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
}

.entry-table th,
.entry-table td {
  border-bottom: 1px solid #e3e9e5;
  padding: 12px;
  text-align: left;
  vertical-align: top;
}

.entry-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  color: var(--accent-strong);
  background: #edf4ef;
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.entry-table tbody tr:hover {
  background: #fbfdfb;
}

.entry-table tr.has-missing-comment {
  background: #fffdf7;
}

.entry-table td > strong {
  display: block;
  margin-bottom: 3px;
}

.entry-table td > span,
.entry-table td > small {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.entry-comment-cell {
  min-width: 420px;
}

.entry-comment-cell textarea {
  width: 100%;
  min-height: 118px;
  border-color: #dfe6e2;
  background: #fff;
  font-size: 0.9rem;
  line-height: 1.45;
}

.entry-checks {
  display: grid;
  gap: 5px;
  min-width: 220px;
  max-width: 320px;
  color: #8a5b00;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.35;
}

.entry-ready {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: 7px;
  padding: 4px 9px;
  color: var(--accent-strong);
  background: #e3f1ea;
  font-size: 0.75rem;
  font-weight: 850;
}

@keyframes pageIn {
  from {
    opacity: 0.82;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}

@media (max-width: 1180px) {
  .page-grid,
  .student-page {
    grid-template-columns: 1fr;
  }

  .import-panel,
  .snapshot-panel,
  .student-list-panel {
    position: static;
    min-height: 0;
  }

  .student-list {
    max-height: none;
  }

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

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

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

  .criteria-edit-row {
    grid-template-columns: minmax(0, 1fr) 96px 96px;
  }

  .criteria-edit-row .progress-field {
    grid-column: 1 / -1;
  }

  .export-grid {
    grid-template-columns: 1fr;
  }

  pre {
    height: 460px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .entry-view {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .entry-table-wrap {
    height: 460px;
  }
}

@media (max-width: 720px) {
  .app-header {
    position: static;
    align-items: stretch;
    flex-direction: column;
    padding-inline: 14px;
  }

  main,
  .app-footer {
    padding-inline: 14px;
  }

  .app-footer {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .version-tooltip {
    left: 0;
    transform: translateY(-4px);
  }

  .version-tooltip::before {
    left: 42px;
  }

  .version-status:hover .version-tooltip,
  .version-status:focus-within .version-tooltip {
    transform: translateY(0);
  }

  .panel {
    padding: 18px;
  }

  .metric-grid,
  .student-tools,
  .achievement-grid,
  .detail-head,
  .task-detail-head,
  .task-edit-grid,
  .criteria-edit-row {
    grid-template-columns: 1fr;
  }

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

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

  .learner-select-grid {
    grid-template-columns: 1fr;
  }

  .task-stats {
    justify-content: flex-start;
  }

  .ai-status {
    text-align: left;
  }

  .report-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .drop-zone {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .export-head {
    flex-direction: column;
    align-items: stretch;
  }

  .export-head .button-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}