:root {
  --ink: #15222a;
  --muted: #6f7b80;
  --line: #dfe6e6;
  --paper: #f5f7f6;
  --panel: #ffffff;
  --navy: #193a4a;
  --teal: #1f766d;
  --teal-soft: #e6f2ef;
  --amber: #b87720;
  --amber-soft: #fbf1df;
  --red: #b84b4b;
  --red-soft: #f9eaea;
  --blue-soft: #e7eff4;
  --shadow: 0 18px 40px rgba(30, 54, 61, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 90% 0%, rgba(51, 120, 112, 0.08), transparent 24rem),
    var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
}

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

button {
  color: inherit;
}

.app-shell {
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 10;
  width: 238px;
  padding: 28px 18px 22px;
  color: #f8fbfb;
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.05), transparent 34%),
    var(--navy);
  display: flex;
  flex-direction: column;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 8px 30px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  font-family: "STSong", "SimSun", serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  background: #d9eee8;
}

.brand-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-subtitle {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.nav {
  display: grid;
  gap: 6px;
}

.nav-item {
  width: 100%;
  min-height: 46px;
  padding: 0 12px;
  border: 0;
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.7);
  background: transparent;
  display: grid;
  grid-template-columns: 26px 1fr auto;
  align-items: center;
  gap: 8px;
  text-align: left;
  cursor: pointer;
}

.nav-item:hover,
.nav-item:focus-visible {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

.nav-item.active {
  color: #fff;
  background: rgba(219, 241, 236, 0.15);
  box-shadow: inset 3px 0 #74c5b7;
}

.nav-icon {
  font-size: 17px;
  text-align: center;
}

.nav-count {
  min-width: 24px;
  height: 22px;
  padding: 0 7px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 11px;
  color: #d6f0eb;
  background: rgba(116, 197, 183, 0.2);
}

.nav-count.danger:not(:empty) {
  color: #ffe4e4;
  background: rgba(226, 110, 110, 0.22);
}

.sidebar-foot {
  margin-top: auto;
  padding: 18px 10px 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.security-note {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
}

.security-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #74c5b7;
  box-shadow: 0 0 0 4px rgba(116, 197, 183, 0.12);
}

.security-copy {
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 11px;
}

.main {
  min-height: 100vh;
  margin-left: 238px;
  padding: 0 42px 56px;
}

.topbar {
  min-height: 104px;
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.eyebrow,
.section-kicker,
.panel-kicker,
.hero-kicker {
  margin: 0 0 7px;
  color: var(--teal);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 0;
  font-family: "STSong", "SimSun", serif;
  font-size: 29px;
  letter-spacing: 0.02em;
}

h2 {
  margin-bottom: 10px;
  font-family: "STSong", "SimSun", serif;
  font-size: 26px;
}

h3 {
  margin-bottom: 0;
  font-size: 17px;
}

.topbar-actions,
.filter-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sync-pill {
  height: 36px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.sync-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #53a879;
  box-shadow: 0 0 0 4px rgba(83, 168, 121, 0.12);
}

.sync-pill.error .sync-dot {
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(184, 75, 75, 0.12);
}

.button {
  min-height: 40px;
  padding: 0 17px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
}

.button.compact {
  min-height: 36px;
  padding: 0 14px;
  font-size: 12px;
}

.button.primary {
  color: #fff;
  background: var(--teal);
}

.button.primary:hover {
  background: #175f58;
}

.button.secondary {
  color: var(--ink);
  border-color: var(--line);
  background: #fff;
}

.button.danger {
  color: var(--red);
  border-color: #efcccc;
  background: #fff;
}

.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.view {
  display: none;
}

.view.active {
  display: block;
  animation: reveal 180ms ease-out;
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
}

.hero {
  min-height: 190px;
  padding: 32px 36px;
  border-radius: 22px;
  color: #f7fbfa;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.07), transparent 45%),
    linear-gradient(135deg, #183a49, #255d60);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  overflow: hidden;
}

.hero h2 {
  max-width: 660px;
  margin-bottom: 13px;
  font-size: clamp(25px, 3vw, 34px);
}

.hero-kicker {
  color: #91d5c8;
}

.hero-copy {
  max-width: 620px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
  line-height: 1.75;
}

.hero-date {
  width: 112px;
  height: 112px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.07);
  display: grid;
  place-content: center;
  text-align: center;
  flex: 0 0 auto;
}

.hero-date span {
  font-family: Georgia, serif;
  font-size: 40px;
  line-height: 1;
}

.hero-date small {
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.metric-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric-card,
.panel {
  border: 1px solid rgba(216, 225, 225, 0.92);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 30px rgba(35, 57, 63, 0.045);
}

.metric-card {
  min-height: 133px;
  padding: 20px 22px;
  border-radius: 16px;
}

.metric-label {
  color: var(--muted);
  font-size: 12px;
}

.metric-value {
  margin-top: 10px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 38px;
  line-height: 1;
}

.metric-value.alert {
  color: var(--red);
}

.metric-foot {
  margin-top: 12px;
  color: #99a2a5;
  font-size: 11px;
}

.overview-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
}

.panel {
  padding: 23px;
  border-radius: 17px;
}

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

.panel-note {
  color: var(--muted);
  font-size: 11px;
}

.text-button {
  padding: 0;
  border: 0;
  color: var(--teal);
  background: transparent;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

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

.queue-item {
  padding: 13px 0;
  border-top: 1px solid #edf1f1;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
}

.queue-item:first-child {
  border-top: 0;
}

.queue-type {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--teal);
  background: var(--teal-soft);
  font-size: 12px;
  font-weight: 800;
}

.queue-title {
  margin-bottom: 4px;
  font-size: 13px;
  font-weight: 700;
}

.queue-meta {
  color: var(--muted);
  font-size: 11px;
}

.queue-time {
  color: #9aa3a6;
  font-size: 11px;
}

.course-panel {
  margin-top: 18px;
}

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

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

.course-card {
  min-height: 102px;
  padding: 15px;
  border: 1px solid #e4eaea;
  border-radius: 13px;
  background: #fafcfc;
}

.course-time {
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
}

.course-student {
  margin-top: 12px;
  font-size: 14px;
  font-weight: 700;
}

.course-teacher {
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
}

.section-intro {
  padding: 18px 0 22px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
}

.section-intro h2 {
  margin-bottom: 8px;
}

.section-intro p:not(.section-kicker) {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

select,
input,
textarea {
  width: 100%;
  border: 1px solid #d6dfdf;
  border-radius: 10px;
  color: var(--ink);
  background: #fff;
  outline: none;
}

select,
input {
  min-height: 40px;
  padding: 0 12px;
}

textarea {
  padding: 11px 12px;
  resize: vertical;
}

select:focus,
input:focus,
textarea:focus {
  border-color: #7eb4ac;
  box-shadow: 0 0 0 3px rgba(31, 118, 109, 0.09);
}

.filter-row select {
  width: 160px;
}

.search-box {
  width: min(300px, 100%);
}

.mapping-search-controls {
  display: grid;
  grid-template-columns: minmax(110px, 0.8fr) minmax(180px, 1.4fr);
  gap: 8px;
  width: min(440px, 100%);
}

@media (max-width: 640px) {
  .mapping-search-controls {
    grid-template-columns: 1fr;
  }
}

.policy-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.policy-strip > div {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f8fbfa;
}

.policy-strip strong,
.policy-strip span {
  display: block;
}

.policy-strip strong {
  color: var(--teal);
  font-size: 13px;
}

.policy-strip span {
  margin-top: 7px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.event-list,
.mapping-list {
  display: grid;
  gap: 12px;
}

.feedback-image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.feedback-image-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(35, 57, 63, 0.04);
}

.feedback-image-card img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: contain;
  background: #eef2f1;
}

.feedback-image-original {
  position: relative;
  display: block;
  color: inherit;
  text-decoration: none;
  cursor: zoom-in;
}

.feedback-image-original span {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 5px 9px;
  border-radius: 999px;
  color: #fff;
  background: rgba(17, 43, 50, 0.78);
  font-size: 11px;
  line-height: 1;
  backdrop-filter: blur(5px);
}

.feedback-image-copy {
  padding: 14px 15px 16px;
}

.feedback-image-title {
  font-size: 13px;
  font-weight: 800;
}

.feedback-image-meta {
  margin-top: 7px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

.feedback-review-controls {
  display: grid;
  gap: 10px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.feedback-review-controls select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 10px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
}

.feedback-review-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Workspace collaboration and invite-only authentication. */
.workspace-user-pill {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  padding: 8px 12px;
  border: 1px solid var(--line, #dce5e2);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.8);
}

.workspace-user-pill strong { font-size: 13px; }
.workspace-user-pill span { color: var(--muted, #61716d); font-size: 11px; }

.workspace-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  padding: 4px 0 26px;
  border-bottom: 1px solid var(--line);
}

.workspace-hero-copy {
  max-width: 680px;
}

.workspace-hero h2 {
  margin: 0;
  color: var(--ink);
  font-size: 30px;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.workspace-hero p {
  max-width: 64ch;
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.workspace-identity-card {
  display: flex;
  min-width: 220px;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--panel);
  box-shadow: 0 10px 28px rgba(28, 69, 60, 0.08);
}

.workspace-identity-avatar,
.workspace-member-avatar {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  color: #fff;
  background: var(--teal);
  font-weight: 700;
}

.workspace-identity-avatar {
  width: 42px;
  height: 42px;
  border-radius: 13px;
}

.workspace-identity-copy {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.workspace-identity-copy small,
.workspace-identity-copy span {
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workspace-identity-copy strong {
  overflow: hidden;
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workspace-summary {
  display: flex;
  min-height: 124px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin: 24px 0;
  padding: 24px 26px;
  border-radius: 16px;
  color: #f7fbf9;
  background: var(--navy);
  box-shadow: 0 18px 36px rgba(21, 60, 66, 0.14);
}

.workspace-summary-copy {
  display: grid;
  max-width: 520px;
  gap: 7px;
}

.workspace-summary-copy strong {
  font-size: 19px;
  line-height: 1.4;
}

.workspace-summary-copy span {
  color: rgba(247, 251, 249, 0.72);
  font-size: 13px;
  line-height: 1.6;
}

.workspace-summary-metrics {
  display: grid;
  min-width: 390px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
}

.workspace-summary-metrics > div {
  display: grid;
  gap: 5px;
  padding: 2px 22px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.workspace-summary-metrics dt {
  color: rgba(247, 251, 249, 0.66);
  font-size: 11px;
}

.workspace-summary-metrics dd {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.workspace-summary-metrics dd.textual {
  font-size: 16px;
}

.workspace-admin-layout,
.workspace-leader-panel {
  display: grid;
  align-items: start;
  gap: 20px;
}

.workspace-admin-layout {
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
}

.workspace-leader-panel {
  grid-template-columns: minmax(0, 1fr) 310px;
}

.workspace-admin-panel,
.workspace-member-panel,
.workspace-leader-main,
.workspace-scope-panel {
  border-radius: 16px;
  background: var(--panel);
  box-shadow: 0 12px 32px rgba(28, 69, 60, 0.07);
}

.workspace-admin-panel,
.workspace-member-panel,
.workspace-leader-main {
  padding: 24px;
}

.workspace-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 22px;
  padding-bottom: 19px;
  border-bottom: 1px solid var(--line);
}

.workspace-section-head.compact {
  min-height: 78px;
}

.workspace-section-head h3,
.workspace-scope-panel h3 {
  margin: 0;
  color: var(--ink);
  font-size: 17px;
}

.workspace-section-head p,
.workspace-scope-panel > p {
  max-width: 58ch;
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.workspace-expiry-note {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 11px;
}

.workspace-workload {
  display: grid;
  flex: 0 0 auto;
  justify-items: end;
  gap: 2px;
}

.workspace-workload strong {
  color: var(--teal);
  font-size: 24px;
  font-variant-numeric: tabular-nums;
}

.workspace-workload span {
  color: var(--muted);
  font-size: 11px;
}

.workspace-invite-form {
  display: grid;
  gap: 18px;
  padding-top: 20px;
}

.workspace-invite-form fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.workspace-invite-form legend {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.workspace-permission-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.workspace-permission-options label {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: 10px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  cursor: pointer;
  transition: border-color 180ms ease-out, background 180ms ease-out;
}

.workspace-permission-options label:has(input:checked) {
  border-color: rgba(31, 118, 109, 0.38);
  background: var(--teal-soft);
}

.workspace-permission-options input {
  flex: 0 0 auto;
  margin: 2px 0 0;
  accent-color: var(--teal);
}

.workspace-permission-options label > span {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.workspace-permission-options strong {
  color: var(--ink);
  font-size: 13px;
}

.workspace-permission-options small {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

.workspace-invite-form > .button {
  justify-self: start;
}

.workspace-invite-result {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin-top: 16px;
}

.workspace-invite-result input {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line, #dce5e2);
  border-radius: 12px;
  color: var(--ink);
  background: var(--paper);
}

.workspace-member-list {
  display: grid;
  padding-top: 6px;
}

.workspace-member-card {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.workspace-member-card:last-child {
  border-bottom: 0;
}

.workspace-member-card[data-member-status="disabled"] {
  opacity: 0.66;
}

.workspace-member-avatar {
  width: 44px;
  height: 44px;
  border-radius: 14px;
}

.workspace-member-copy {
  display: grid;
  min-width: 0;
  gap: 5px;
}

.workspace-member-copy > div:first-child {
  display: flex;
  align-items: center;
  gap: 8px;
}

.workspace-member-copy small {
  color: var(--muted);
  font-size: 11px;
}

.workspace-member-status {
  color: var(--teal);
  font-size: 10px;
  font-weight: 700;
}

.workspace-member-card[data-member-status="disabled"] .workspace-member-status {
  color: var(--muted);
}

.workspace-member-permissions,
.workspace-permission-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.workspace-member-permissions span,
.workspace-permission-list > span {
  padding: 4px 8px;
  border-radius: 8px;
  color: var(--teal);
  background: var(--teal-soft);
  font-size: 10px;
  font-weight: 700;
}

.workspace-task-grid {
  display: grid;
  padding-top: 4px;
}

.workspace-task {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr) auto 88px;
  align-items: center;
  gap: 16px;
  padding: 18px 2px;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: background-color 180ms ease-out, box-shadow 180ms ease-out;
}

.workspace-task:last-child {
  border-bottom: 0;
}

.workspace-task:hover {
  background: var(--paper);
  box-shadow: inset 0 0 0 1px rgba(31, 118, 109, 0.18);
}

.workspace-task:focus-visible {
  outline: 3px solid rgba(31, 118, 109, 0.24);
  outline-offset: 3px;
}

.workspace-task-copy {
  display: grid;
  min-width: 0;
  gap: 5px;
}

.workspace-task-copy strong {
  color: var(--ink);
  font-size: 14px;
}

.workspace-task-copy small {
  color: var(--muted);
  font-size: 11px;
}

.workspace-task-count {
  display: grid;
  min-width: 62px;
  justify-items: end;
  gap: 2px;
}

.workspace-task-count strong {
  color: var(--teal);
  font-size: 22px;
  font-variant-numeric: tabular-nums;
}

.workspace-task[data-task-state="clear"] .workspace-task-count strong {
  color: var(--muted);
}

.workspace-task[data-task-state="error"] .workspace-task-count strong {
  color: var(--red);
  font-size: 12px;
}

.workspace-task-count small,
.workspace-task-action {
  color: var(--muted);
  font-size: 10px;
}

.workspace-task-action {
  justify-self: end;
  color: var(--teal);
  font-weight: 700;
}

.workspace-scope-panel {
  padding: 22px;
  background: var(--teal-soft);
}

.workspace-permission-list {
  margin-top: 18px;
}

.workspace-audit-note {
  display: grid;
  gap: 5px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(31, 118, 109, 0.18);
}

.workspace-audit-note strong {
  color: var(--ink);
  font-size: 12px;
}

.workspace-audit-note span {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.workspace-auth-page {
  min-height: 100dvh;
  margin: 0;
  color: #15222a;
  background: #edf2ef;
  caret-color: #1f766d;
}

.workspace-auth-page ::selection {
  color: #fff;
  background: #1f766d;
}

.workspace-auth-shell {
  display: grid;
  width: min(1080px, calc(100% - 48px));
  min-height: 650px;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, 0.92fr);
  margin: max(24px, 5vh) auto;
  overflow: hidden;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 28px 76px rgba(22, 62, 55, 0.15);
}

.workspace-auth-brand {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 48px;
  padding: 52px;
  color: #fff;
  background:
    radial-gradient(circle at 82% 14%, rgba(148, 204, 188, 0.18), transparent 34%),
    #164c45;
}

.workspace-auth-lockup {
  display: flex;
  align-items: center;
  gap: 13px;
}

.workspace-auth-brand .brand-mark {
  width: 44px;
  height: 44px;
  color: #164c45;
  background: #eff8f4;
}

.workspace-auth-lockup > div:last-child {
  display: grid;
  gap: 3px;
}

.workspace-auth-lockup strong {
  font-size: 15px;
}

.workspace-auth-lockup span {
  color: #abd5ca;
  font-size: 11px;
}

.workspace-auth-brand-copy {
  max-width: 470px;
}

.workspace-auth-brand-copy h2 {
  max-width: 9em;
  margin: 0;
  font-size: 38px;
  line-height: 1.22;
  letter-spacing: -0.03em;
}

.workspace-auth-brand-copy p {
  max-width: 44ch;
  margin: 18px 0 0;
  color: #cee6df;
  line-height: 1.8;
}

.workspace-auth-benefits {
  display: grid;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.workspace-auth-benefits > div {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.workspace-auth-benefits strong {
  font-size: 12px;
}

.workspace-auth-benefits span {
  color: #b9dcd3;
  font-size: 12px;
}

.workspace-auth-private {
  margin: 0;
  color: #9dc9be;
  font-size: 11px;
}

.workspace-auth-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 56px;
}

.workspace-auth-card h1 {
  margin: 0;
  color: #173a35;
  font-size: 28px;
  letter-spacing: -0.025em;
}

.workspace-auth-hint {
  max-width: 38ch;
  margin: 10px 0 30px;
  color: #61716d;
  line-height: 1.65;
}

.workspace-auth-card form {
  display: grid;
  gap: 18px;
}

.workspace-auth-card label {
  display: grid;
  gap: 8px;
  color: #334d47;
  font-size: 13px;
  font-weight: 700;
}

.workspace-auth-card input {
  width: 100%;
  box-sizing: border-box;
  min-height: 46px;
  padding: 12px 13px;
  border: 1px solid #bdccc7;
  border-radius: 10px;
  color: #15222a;
  background: #fbfcfb;
  font: inherit;
  transition: border-color 160ms ease-out, box-shadow 160ms ease-out;
}

.workspace-auth-card input:focus {
  border-color: #1f766d;
  outline: 0;
  box-shadow: 0 0 0 3px rgba(31, 118, 109, 0.16);
}

.workspace-auth-card .button {
  width: 100%;
  min-height: 46px;
  margin-top: 4px;
}

.workspace-auth-card .button:active {
  transform: translateY(1px);
}

.workspace-auth-card .button[aria-busy="true"] {
  cursor: wait;
  opacity: 0.72;
}

.workspace-auth-error {
  min-height: 24px;
  margin-top: 16px;
  color: #9f3535;
  font-size: 13px;
}

.workspace-auth-support {
  margin: 18px 0 0;
  color: #6f7b80;
  font-size: 11px;
  line-height: 1.6;
}

@media (max-width: 1040px) {
  .workspace-admin-layout,
  .workspace-leader-panel {
    grid-template-columns: 1fr;
  }

  .workspace-scope-panel {
    order: -1;
  }
}

@media (max-width: 800px) {
  .workspace-hero {
    align-items: stretch;
    flex-direction: column;
    gap: 18px;
  }

  .workspace-identity-card {
    width: 100%;
  }

  .workspace-summary {
    align-items: stretch;
    flex-direction: column;
    gap: 20px;
  }

  .workspace-summary-metrics {
    min-width: 0;
  }

  .workspace-summary-metrics > div:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .workspace-auth-shell {
    width: min(680px, calc(100% - 32px));
    grid-template-columns: 1fr;
    margin: 16px auto;
  }

  .workspace-auth-brand,
  .workspace-auth-card {
    padding: 36px;
  }
}

@media (max-width: 520px) {
  .workspace-hero h2 {
    font-size: 24px;
  }

  .workspace-summary {
    padding: 20px;
  }

  .workspace-summary-metrics {
    grid-template-columns: 1fr;
  }

  .workspace-summary-metrics > div,
  .workspace-summary-metrics > div:first-child {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 10px 0;
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .workspace-summary-metrics > div:last-child {
    border-bottom: 0;
  }

  .workspace-permission-options {
    grid-template-columns: 1fr;
  }

  .workspace-admin-panel,
  .workspace-member-panel,
  .workspace-leader-main,
  .workspace-scope-panel {
    padding: 18px;
  }

  .workspace-section-head {
    flex-direction: column;
  }

  .workspace-workload {
    justify-items: start;
  }

  .workspace-task {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
  }

  .workspace-task-action {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .workspace-member-card {
    grid-template-columns: 40px minmax(0, 1fr);
  }

  .workspace-member-avatar {
    width: 40px;
    height: 40px;
  }

  .workspace-member-card > button {
    grid-column: 1 / -1;
  }

  .workspace-invite-result {
    grid-template-columns: 1fr;
  }

  .workspace-auth-brand,
  .workspace-auth-card {
    padding: 28px;
  }

  .workspace-auth-brand {
    gap: 34px;
  }

  .workspace-auth-brand-copy h2 {
    font-size: 31px;
  }

  .workspace-auth-benefits > div {
    grid-template-columns: 78px minmax(0, 1fr);
  }
}

.feedback-quality-calibration {
  margin: 18px 0 22px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 19px;
  background:
    radial-gradient(circle at 95% 4%, rgba(75, 167, 151, 0.13), transparent 30%),
    #fff;
  box-shadow: 0 10px 28px rgba(35, 57, 63, 0.05);
}

.feedback-quality-calibration-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.feedback-quality-calibration-head h3 {
  margin: 4px 0 7px;
}

.feedback-quality-calibration-head span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.feedback-quality-calibration-head button,
.feedback-quality-calibration-actions button {
  min-height: 38px;
  border: 1px solid #b9d0cb;
  border-radius: 10px;
  background: #fff;
  color: #1e675f;
  padding: 0 12px;
  cursor: pointer;
  font: inherit;
}

.feedback-quality-calibration-head button:hover,
.feedback-quality-calibration-actions button:hover {
  border-color: #438d82;
  background: #eef8f4;
}

.feedback-quality-calibration-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 11px;
  margin: 18px 0;
}

.feedback-quality-calibration-summary article {
  min-height: 96px;
  padding: 15px;
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  background: rgba(247, 250, 249, 0.92);
}

.feedback-quality-calibration-summary span,
.feedback-quality-calibration-summary strong,
.feedback-quality-calibration-summary small {
  display: block;
}

.feedback-quality-calibration-summary span,
.feedback-quality-calibration-summary small {
  color: var(--muted);
  font-size: 11px;
}

.feedback-quality-calibration-summary strong {
  margin: 5px 0;
  color: #184f49;
  font-size: 20px;
}

.feedback-quality-calibration-summary article.attention {
  border-color: #ead8ae;
  background: #fffaf0;
}

.feedback-quality-calibration-summary article.healthy {
  border-color: #c3dfd7;
  background: #eff9f5;
}

.feedback-quality-calibration-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 12px;
}

.feedback-quality-calibration-card {
  display: grid;
  gap: 12px;
  padding: 17px;
  border: 1px solid var(--line-soft);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.94);
}

.feedback-quality-calibration-card strong,
.feedback-quality-calibration-card small {
  display: block;
}

.feedback-quality-calibration-card strong {
  margin: 9px 0 4px;
  color: var(--ink);
}

.feedback-quality-calibration-card small,
.feedback-quality-calibration-card p {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.feedback-quality-calibration-card p {
  margin: 0;
}

.feedback-quality-calibration-actions {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
}

.feedback-quality-calibration-actions button {
  min-height: 34px;
  padding: 0 7px;
  font-size: 11px;
}

.event-card,
.mapping-card {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 24px rgba(35, 57, 63, 0.04);
}

.event-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
}

.event-card-head,
.chip-row,
.event-actions,
.mapping-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  display: inline-flex;
  min-height: 25px;
  padding: 0 9px;
  border-radius: 999px;
  align-items: center;
  color: var(--teal);
  background: var(--teal-soft);
  font-size: 10px;
  font-weight: 800;
}

.chip.amber {
  color: #8a5c20;
  background: var(--amber-soft);
}

.chip.red {
  color: #963d3d;
  background: var(--red-soft);
}

.chip.blue {
  color: #3f6377;
  background: var(--blue-soft);
}

.event-group {
  color: var(--muted);
  font-size: 11px;
}

.event-message {
  max-width: 830px;
  margin: 15px 0 12px;
  color: #334248;
  font-size: 13px;
  line-height: 1.75;
  white-space: pre-wrap;
}

.event-meta {
  color: #8b969a;
  font-size: 11px;
}

.event-actions {
  align-content: flex-start;
  justify-content: flex-end;
}

.small-action {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid #dce4e4;
  border-radius: 9px;
  background: #fff;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.small-action.primary {
  color: #fff;
  border-color: var(--teal);
  background: var(--teal);
}

.event-review-summary {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.event-review-summary article {
  min-height: 76px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.82);
}

.event-review-summary span {
  display: block;
  color: var(--muted);
  font-size: 11px;
}

.event-review-summary strong {
  display: block;
  margin-top: 9px;
  color: var(--ink);
  font-family: Georgia, "STSong", "SimSun", serif;
  font-size: 20px;
}

.event-review-summary strong.warning {
  color: var(--red);
}

.mapping-review-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
  margin-bottom: 12px;
}

.mapping-review-summary button {
  display: flex;
  min-height: 54px;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 11px;
  color: #56676d;
  background: #fff;
  font-size: 11px;
  cursor: pointer;
}

.mapping-review-summary button.active {
  color: var(--teal);
  border-color: #8dbab4;
  background: #f1f8f6;
}

.mapping-review-summary strong {
  font-family: Georgia, serif;
  font-size: 19px;
}

.mapping-batch-toolbar {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 12px;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.75);
  font-size: 11px;
}

.mapping-batch-toolbar label {
  display: flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
}

.mapping-batch-toolbar input,
.mapping-check input {
  min-height: auto;
  padding: 0;
}

.mapping-batch-toolbar span {
  color: var(--muted);
}

.mapping-batch-toolbar button {
  margin-left: auto;
}

.mapping-batch-toolbar button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.mapping-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 18px;
}

.mapping-card-main {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 9px;
}

.mapping-check {
  padding-top: 2px;
}

.mapping-name {
  margin-bottom: 7px;
  font-size: 15px;
  font-weight: 800;
}

.mapping-meta {
  color: var(--muted);
  font-size: 11px;
}

.mapping-priority-badge {
  display: inline-flex;
  margin-left: 7px;
  padding: 2px 6px;
  border-radius: 999px;
  color: #8a4d0f;
  background: #fff1d6;
  font-size: 10px;
  font-weight: 700;
}

.mapping-type-badge {
  display: inline-flex;
  margin-left: 6px;
  padding: 2px 6px;
  border-radius: 999px;
  color: #58666a;
  background: #eef2f2;
  font-size: 10px;
  font-weight: 700;
}

.mapping-type-badge.type-trial {
  color: #7a5617;
  background: #fff3d7;
}

.mapping-type-badge.type-student_learning {
  color: #17645f;
  background: #e4f2f0;
}

.mapping-type-badge.type-unknown {
  color: #6c5d72;
  background: #f2ecf4;
}

.mapping-review-reason {
  margin-top: 8px;
  color: #596b71;
  font-size: 11px;
}

.mapping-candidates {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 7px;
  margin-top: 10px;
}

.candidate-button {
  min-height: 74px;
  padding: 10px 12px;
  border: 1px solid #b8d2ce;
  border-radius: 8px;
  color: var(--teal);
  background: #f2f8f7;
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.candidate-button:hover,
.candidate-button:focus-visible {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(30, 116, 111, 0.12);
}

.candidate-heading {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 5px 9px;
}

.candidate-heading strong {
  color: #153f3d;
  font-size: 14px;
}

.candidate-heading span {
  color: var(--muted);
  font-weight: 500;
}

.candidate-heading b {
  margin-left: auto;
  color: #176d67;
  font-size: 11px;
}

.candidate-quality {
  padding: 3px 7px;
  border-radius: 999px;
  font-size: 10px;
  font-style: normal;
  font-weight: 700;
}

.candidate-quality.quality-high {
  color: #0b6557;
  background: #d9f2e9;
}

.candidate-quality.quality-review {
  color: #85621d;
  background: #fff0c9;
}

.candidate-quality.quality-suspicious {
  color: #914943;
  background: #f9dfdc;
}

.candidate-quality-reason {
  display: block;
  margin-top: 7px;
  color: #596b71;
  font-size: 11px;
  font-weight: 500;
}

.candidate-evidence {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}

.candidate-evidence em {
  padding: 3px 6px;
  border-radius: 999px;
  color: #53676a;
  background: #e7f1ef;
  font-size: 10px;
  font-style: normal;
  font-weight: 500;
}

.suggestion {
  margin-top: 9px;
  color: var(--teal);
  font-size: 12px;
}

.mapping-context {
  margin-top: 10px;
  padding: 9px 10px;
  border: 1px solid #d8e3e1;
  border-radius: 9px;
  background: #f8fbfa;
}

.mapping-context summary {
  color: #315e5b;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.mapping-context p {
  margin: 8px 0;
  color: #748185;
  font-size: 10px;
}

.member-context {
  background: #fbfaf7;
}

.member-context summary {
  color: #6f6049;
}

.mapping-context-students {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.context-student-button {
  padding: 5px 8px;
  border: 1px solid #cddbd9;
  border-radius: 7px;
  color: #315e5b;
  background: #fff;
  font-family: inherit;
  font-size: 10px;
  cursor: pointer;
}

.context-student-button:hover,
.context-student-button:focus-visible {
  border-color: var(--teal);
  box-shadow: 0 0 0 2px rgba(30, 116, 111, 0.1);
}

.mapping-history-panel {
  margin-top: 22px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
}

.mapping-history-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 12px;
}

.mapping-history-heading h3 {
  margin: 3px 0 0;
  font-size: 16px;
}

.mapping-history-heading > span {
  color: var(--muted);
  font-size: 11px;
}

.mapping-history-list {
  display: grid;
  gap: 8px;
}

.mapping-history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 12px;
  border: 1px solid #dbe5e3;
  border-radius: 10px;
  background: #fff;
}

.mapping-history-item > div {
  display: grid;
  gap: 3px;
}

.mapping-history-item strong {
  color: #184d49;
  font-size: 12px;
}

.mapping-history-item span {
  color: #263b40;
  font-size: 12px;
}

.mapping-history-item small,
.history-status {
  color: var(--muted);
  font-size: 10px;
}

.teacher-rate-section {
  margin: 22px 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
}

.teacher-rate-heading,
.teacher-rate-topline,
.teacher-rate-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.teacher-rate-heading h3 {
  margin: 3px 0 0;
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
  font-size: 22px;
}

.teacher-rate-heading > span {
  color: var(--muted);
  font-size: 13px;
}

.teacher-rate-period {
  display: flex;
  align-items: center;
  gap: 10px;
}

.teacher-rate-period span {
  color: var(--muted);
  font-size: 13px;
}

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

.teacher-rate-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.teacher-rate-summary > div {
  padding: 13px 15px;
  border-radius: 12px;
  background: #f2f7f5;
}

.teacher-rate-summary strong,
.teacher-rate-summary span {
  display: block;
}

.teacher-rate-summary strong {
  font-family: Georgia, serif;
  font-size: 23px;
}

.teacher-rate-summary span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.teacher-rate-tools {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 14px;
}

.teacher-rate-tools input,
.teacher-rate-tools select,
.teacher-rate-tools a,
.teacher-rate-period select {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 11px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.teacher-rate-tools a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.teacher-rate-tools input {
  width: min(260px, 100%);
}

.teacher-rate-card {
  width: 100%;
  color: inherit;
  text-align: left;
  font: inherit;
  cursor: pointer;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.teacher-rate-card:hover,
.teacher-rate-card:focus-visible {
  border-color: #78a99e;
  box-shadow: 0 8px 24px rgba(40, 77, 69, 0.09);
  outline: none;
}

.teacher-rate-topline strong,
.teacher-rate-topline span {
  display: block;
}

.teacher-rate-topline strong {
  font-size: 16px;
}

.teacher-rate-topline span,
.teacher-rate-meta {
  color: var(--muted);
  font-size: 12px;
}

.teacher-rate-topline b {
  color: var(--ink);
  font-family: Georgia, serif;
  font-size: 24px;
}

.teacher-rate-trend {
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
}

.teacher-rate-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 10px;
}

.teacher-rate-sources span {
  padding: 4px 7px;
  border-radius: 7px;
  background: #eef4f2;
  color: var(--muted);
  font-size: 11px;
}

.teacher-rate-detail-status {
  display: flex;
  align-items: flex-end;
  flex-direction: column;
  gap: 2px;
}

.teacher-rate-detail-status small {
  color: var(--muted);
  font-size: 10px;
}

.teacher-rate-trend.up {
  color: #267260;
}

.teacher-rate-trend.down {
  color: #a4473d;
}

.teacher-rate-trend.flat {
  color: var(--muted);
}

.teacher-rate-track {
  height: 7px;
  margin: 14px 0 10px;
  overflow: hidden;
  border-radius: 99px;
  background: #e6ecea;
}

.teacher-rate-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #2f7d6f, #79b6a8);
}

.teacher-rate-detail {
  margin-top: 16px;
  padding: 17px;
  border-radius: 14px;
  background: #f5f8f7;
}

.teacher-rate-detail-head,
.teacher-rate-detail-list > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.teacher-rate-detail-head strong,
.teacher-rate-detail-head span {
  display: block;
}

.teacher-rate-detail-head span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.teacher-rate-detail-head button {
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 7px 12px;
  background: #fff;
}

.teacher-rate-detail-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 18px;
  margin-top: 14px;
}

.teacher-rate-detail-list > div {
  padding: 9px 0;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.teacher-rate-detail-list b {
  white-space: nowrap;
  font-size: 12px;
}

.teacher-rate-evidence-actions {
  margin-top: 6px;
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 6px;
}

.teacher-rate-evidence-actions button {
  min-height: 28px;
  padding: 4px 8px;
  border: 1px solid #bfd7d2;
  border-radius: 8px;
  color: #27695f;
  background: #fff;
  font-size: 11px;
  cursor: pointer;
}

@media (max-width: 1100px) {
  .teacher-rate-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .mapping-history-heading,
  .mapping-history-item {
    align-items: stretch;
    flex-direction: column;
  }
}

.empty-state {
  min-height: 180px;
  border: 1px dashed #d6dfdf;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: #8b969a;
  background: rgba(255, 255, 255, 0.42);
  font-size: 13px;
  text-align: center;
}

.empty-state.small {
  min-height: 100px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  padding: 20px;
  background: rgba(16, 31, 38, 0.46);
  backdrop-filter: blur(5px);
  display: grid;
  place-items: center;
}

.modal-backdrop[hidden] {
  display: none;
}

.modal {
  position: relative;
  width: min(520px, 100%);
  max-height: calc(100vh - 40px);
  padding: 28px;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 30px 80px rgba(12, 35, 42, 0.24);
  overflow: auto;
}

.evidence-modal {
  width: min(760px, 100%);
}

.today-courses-modal {
  width: min(900px, 100%);
}

.anomaly-detail-modal {
  width: min(860px, 100%);
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.85);
  overflow: hidden auto;
}

.anomaly-queue-item {
  cursor: pointer;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.anomaly-queue-item:hover,
.anomaly-queue-item:focus-visible {
  border-color: #91bdb7;
  box-shadow: 0 12px 28px rgba(35, 82, 80, 0.1);
  outline: none;
  transform: translateY(-1px);
}

.anomaly-card {
  position: relative;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) 150px;
  align-items: stretch;
  gap: 18px;
  min-height: 142px;
  padding: 22px 22px 22px 20px;
  border: 1px solid #e1e7e7;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 26px rgba(25, 58, 74, 0.045);
  cursor: pointer;
  overflow: hidden;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.anomaly-card::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: #6d9db2;
  content: "";
}

.anomaly-card[data-tone="critical"]::before { background: #c65b5b; }
.anomaly-card[data-tone="warning"]::before { background: #d0923d; }
.anomaly-card[data-tone="done"]::before { background: #5b9b78; }

.anomaly-card:hover,
.anomaly-card:focus-visible {
  border-color: #9ebfbb;
  box-shadow: 0 16px 34px rgba(25, 70, 74, 0.1);
  outline: none;
  transform: translateY(-2px);
}

.anomaly-card-marker,
.anomaly-detail-symbol {
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: #456e80;
  background: #e9f0f4;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-weight: 800;
}

.anomaly-card-marker {
  width: 48px;
  height: 48px;
  font-size: 18px;
}

.anomaly-card[data-tone="critical"] .anomaly-card-marker,
.anomaly-detail-symbol[data-tone="critical"] {
  color: #9e4444;
  background: #faeaea;
}

.anomaly-card[data-tone="warning"] .anomaly-card-marker,
.anomaly-detail-symbol[data-tone="warning"] {
  color: #98631f;
  background: #fbf0dc;
}

.anomaly-card[data-tone="done"] .anomaly-card-marker,
.anomaly-detail-symbol[data-tone="done"] {
  color: #39745b;
  background: #e5f2eb;
}

.anomaly-card-body {
  min-width: 0;
}

.anomaly-card-status {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  color: #788489;
  font-size: 11px;
  font-weight: 600;
}

.anomaly-card-kind {
  color: #294b55;
  font-weight: 800;
}

.anomaly-status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #a3b0b3;
}

.anomaly-record-count {
  padding: 3px 7px;
  border-radius: 999px;
  color: #537078;
  background: #edf3f3;
}

.anomaly-card h3 {
  margin: 11px 0 14px;
  color: #172b33;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.anomaly-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  color: #4f6268;
  font-size: 12px;
}

.anomaly-card-meta span {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.anomaly-card-meta small {
  color: #98a2a5;
  font-size: 10px;
}

.anomaly-card-end {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-direction: column;
  padding-left: 18px;
  border-left: 1px solid #edf0f0;
}

.anomaly-card-deadline {
  display: grid;
  gap: 6px;
  text-align: right;
}

.anomaly-card-deadline small {
  color: #96a0a3;
  font-size: 10px;
}

.anomaly-card-deadline strong {
  color: #3a4d53;
  font-size: 13px;
}

.anomaly-card-enter {
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
}

.anomaly-card-enter b {
  display: inline-block;
  margin-left: 5px;
  transition: transform 160ms ease;
}

.anomaly-card:hover .anomaly-card-enter b {
  transform: translateX(3px);
}

.anomaly-detail-hero {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 17px;
  align-items: start;
  padding: 30px 34px 25px;
  background: linear-gradient(145deg, #f7faf9, #eef5f3);
  border-bottom: 1px solid #e0e8e6;
}

.anomaly-detail-symbol {
  width: 54px;
  height: 54px;
  font-size: 20px;
}

.anomaly-detail-hero h2 {
  margin: 5px 45px 7px 0;
  color: #183039;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  font-size: 22px;
  line-height: 1.45;
}

.anomaly-detail-context {
  color: #617278;
  font-size: 11px;
  line-height: 1.6;
}

.anomaly-detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: 22px 34px 0;
}

.anomaly-detail-item {
  display: grid;
  gap: 6px;
  min-height: 72px;
  padding: 13px 14px;
  border: 1px solid #e5eaea;
  border-radius: 14px;
  background: #fff;
}

.anomaly-detail-item span,
.anomaly-record-row span,
.anomaly-record-row time {
  color: var(--muted);
  font-size: 11px;
}

.anomaly-detail-item strong {
  color: var(--ink);
  font-size: 13px;
  line-height: 1.5;
}

.anomaly-explanation-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 18px 34px 0;
}

.anomaly-insight-card {
  position: relative;
  min-height: 144px;
  padding: 18px 18px 18px 54px;
  border: 1px solid #e3e9e8;
  border-radius: 15px;
  background: #f8fbfa;
}

.anomaly-insight-card.evidence {
  background: #faf9f5;
}

.anomaly-insight-number {
  position: absolute;
  top: 18px;
  left: 17px;
  color: #5c9189;
  font-family: Georgia, serif;
  font-size: 13px;
  font-weight: 700;
}

.anomaly-insight-card.evidence .anomaly-insight-number {
  color: #a67a3f;
}

.anomaly-insight-card h3 {
  margin: 0 0 8px;
  color: #253a41;
  font-size: 13px;
}

.anomaly-insight-card p {
  margin: 0;
  color: #5e6f74;
  font-size: 12px;
  line-height: 1.75;
}

.anomaly-detail-section {
  margin: 20px 34px 0;
  padding-top: 18px;
  border-top: 1px solid #e4e9e8;
}

.anomaly-detail-section h3 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 14px;
}

.anomaly-detail-section p {
  margin: 0;
  color: #536267;
  font-size: 12px;
  line-height: 1.75;
}

.anomaly-detail-heading,
.anomaly-detail-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.anomaly-detail-heading span {
  color: var(--muted);
  font-size: 11px;
}

.anomaly-record-list {
  display: grid;
  gap: 8px;
  max-height: 260px;
  overflow: auto;
}

.anomaly-record-row {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  align-items: center;
  gap: 11px;
  padding: 12px 14px;
  border: 1px solid #e4eaea;
  border-radius: 11px;
  background: #fafcfc;
}

.anomaly-record-row > div:nth-child(2) {
  display: grid;
  gap: 4px;
}

.anomaly-record-index {
  display: grid;
  width: 27px;
  height: 27px;
  place-items: center;
  border-radius: 50%;
  color: var(--teal);
  background: var(--teal-soft);
  font-size: 11px;
  font-weight: 800;
}

.anomaly-detail-actions {
  justify-content: flex-end;
  margin-top: 22px;
  padding: 18px 34px 24px;
  border-top: 1px solid #e4e9e8;
  background: #fbfcfc;
}

.today-courses-tools {
  display: grid;
  grid-template-columns: 1fr minmax(240px, 0.65fr);
  gap: 14px;
  align-items: end;
  margin: 16px 0 18px;
}

.today-courses-tools .modal-context {
  margin: 0;
}

.today-courses-search {
  display: grid;
  gap: 7px;
  color: #4d5c61;
  font-size: 12px;
  font-weight: 700;
}

.today-courses-search input {
  min-height: 44px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 0 13px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.today-courses-list {
  display: grid;
  gap: 9px;
  max-height: 58vh;
  overflow: auto;
  padding-right: 4px;
}

.today-course-row {
  display: grid;
  grid-template-columns: 135px minmax(180px, 1fr) minmax(150px, 0.7fr);
  gap: 18px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid #e4eaea;
  border-radius: 13px;
  background: #fafcfc;
}

.today-course-time,
.today-course-primary,
.today-course-teacher {
  display: grid;
  gap: 4px;
}

.today-course-time strong {
  color: var(--teal);
  font-size: 15px;
}

.today-course-primary strong,
.today-course-teacher strong {
  color: var(--ink);
  font-size: 14px;
}

.today-course-time span,
.today-course-primary span,
.today-course-teacher span {
  color: var(--muted);
  font-size: 11px;
}

.evidence-original {
  min-height: 120px;
  max-height: 58vh;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8faf9;
  overflow: auto;
}

.evidence-original pre {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  color: #24393d;
  font: inherit;
  font-size: 14px;
  line-height: 1.75;
}

.evidence-original img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 52vh;
  margin: 0 auto;
  object-fit: contain;
}

.evidence-audit-notice {
  margin-top: 12px;
  color: #66777b;
  font-size: 12px;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  background: #f1f4f4;
  font-size: 22px;
  cursor: pointer;
}

.modal-context {
  margin: 16px 0 20px;
  padding: 13px 15px;
  border-left: 3px solid #75b8ad;
  color: #536267;
  background: #f3f8f7;
  font-size: 12px;
  line-height: 1.65;
}

.modal form,
.modal label {
  display: grid;
  gap: 8px;
}

.modal form {
  gap: 16px;
}

.modal label {
  color: #4d5c61;
  font-size: 12px;
  font-weight: 700;
}

.student-results {
  margin-top: 14px;
  display: grid;
  gap: 8px;
}

.student-option {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.student-option:hover {
  border-color: #88b8b1;
  background: #f6faf9;
}

.student-option small {
  color: var(--muted);
}

.student-main-search input {
  min-width: 260px;
}

.student-workspace {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  min-height: 640px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
}

.student-directory {
  border-right: 1px solid var(--line);
  background: #f7f9f8;
}

.directory-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 17px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}

.directory-head span {
  color: var(--muted);
  font-size: 10px;
}

.student-directory-list {
  max-height: 760px;
  overflow: auto;
  padding: 8px;
}

.student-directory-item {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 11px 9px;
  border: 0;
  border-radius: 10px;
  color: var(--ink);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.student-directory-item:hover,
.student-directory-item.active {
  background: #e9f1ef;
}

.student-directory-item strong,
.student-directory-item small {
  display: block;
}

.student-name-quality {
  display: inline-flex;
  margin-top: 5px;
  padding: 2px 6px;
  border-radius: 999px;
  color: #80601e;
  background: #fff0c9;
  font-size: 9px;
  font-style: normal;
  font-weight: 700;
}

.student-name-quality.quality-suspicious {
  color: #914943;
  background: #f9dfdc;
}

.student-quality-filter {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #6f5552;
  font-size: 11px;
  white-space: nowrap;
}

.student-quality-filter input {
  width: 15px;
  height: 15px;
  accent-color: var(--teal);
}

.student-directory-item strong {
  font-size: 12px;
}

.student-directory-item small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
}

.student-avatar,
.student-profile-avatar {
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: var(--teal);
  background: #dcece9;
  font-weight: 800;
}

.student-avatar {
  width: 38px;
  height: 38px;
  font-size: 12px;
}

.student-link-status {
  color: var(--muted);
  font-size: 9px;
  white-space: nowrap;
}

.student-link-status.linked {
  color: var(--teal);
}

.student-detail {
  min-width: 0;
  padding: 24px;
}

.student-detail-empty {
  display: grid;
  min-height: 520px;
  place-items: center;
  align-content: center;
  color: var(--muted);
  text-align: center;
}

.student-detail-empty h3 {
  margin: 13px 0 5px;
  color: var(--ink);
}

.student-detail-empty p {
  margin: 0;
  font-size: 12px;
}

.student-empty-mark {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 18px;
  color: var(--teal);
  background: var(--teal-soft);
  font-size: 17px;
  font-weight: 800;
}

.student-profile-head {
  display: flex;
  align-items: center;
  gap: 15px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.student-profile-actions {
  display: flex;
  gap: 7px;
  margin-left: auto;
}

.small-action.danger {
  color: #914943;
  border-color: #e7bdb8;
  background: #fff4f2;
}

.student-profile-avatar {
  width: 58px;
  height: 58px;
  font-size: 19px;
}

.student-profile-head h2 {
  margin: 3px 0 6px;
  font-size: 25px;
}

.student-profile-meta {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 11px;
}

.chip.name-quality-review {
  color: #80601e;
  background: #fff0c9;
}

.chip.name-quality-suspicious {
  color: #914943;
  background: #f9dfdc;
}

.student-name-warning {
  display: flex;
  gap: 9px;
  margin-top: 14px;
  padding: 11px 13px;
  border: 1px solid #efc6c1;
  border-radius: 10px;
  color: #79423d;
  background: #fff4f2;
  font-size: 11px;
}

.student-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
  margin: 18px 0;
}

.student-summary-grid article {
  display: grid;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fafbfb;
}

.student-summary-grid span {
  color: var(--muted);
  font-size: 10px;
}

.student-summary-grid strong {
  margin-top: 6px;
  font-family: Georgia, serif;
  font-size: 24px;
}

.student-summary-grid article.danger strong {
  color: var(--red);
}

.student-link-warning {
  margin: 0 0 18px;
  padding: 11px 13px;
  border: 1px solid #ecd7ad;
  border-radius: 9px;
  color: #84611f;
  background: #fff8e8;
  font-size: 11px;
}

.student-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  gap: 16px;
}

.student-timeline-panel,
.student-side-card {
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fff;
}

.student-timeline-panel {
  padding: 18px;
}

.student-timeline {
  display: grid;
}

.timeline-item {
  display: grid;
  grid-template-columns: 33px minmax(0, 1fr);
  gap: 11px;
  padding: 12px 0;
  border-top: 1px solid #eef1f0;
}

.timeline-item:first-child {
  border-top: 0;
}

.timeline-rail span {
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border-radius: 9px;
  color: var(--teal);
  background: var(--teal-soft);
  font-size: 10px;
  font-weight: 800;
}

.kind-anomaly .timeline-rail span {
  color: var(--red);
  background: var(--red-soft);
}

.kind-event .timeline-rail span {
  color: #9a6920;
  background: var(--amber-soft);
}

.timeline-head {
  display: flex;
  align-items: center;
  gap: 7px;
}

.timeline-head time {
  margin-left: auto;
  color: var(--muted);
  font-size: 9px;
}

.timeline-item h4 {
  margin: 7px 0 4px;
  font-size: 12px;
}

.timeline-item p {
  margin: 0;
  color: #465b68;
  font-size: 11px;
  line-height: 1.65;
}

.timeline-item small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 9px;
}

.student-side-stack {
  display: grid;
  align-content: start;
  gap: 11px;
}

.student-side-card {
  padding: 15px;
}

.student-side-card h3 {
  margin: 3px 0 12px;
  font-size: 14px;
}

.student-mini-list {
  display: grid;
}

.student-mini-list > div {
  padding: 9px 0;
  border-top: 1px solid #eef1f0;
}

.student-mini-list strong,
.student-mini-list small {
  display: block;
}

.student-mini-list strong {
  font-size: 10px;
}

.student-mini-list small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 9px;
}

.teacher-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.teacher-chip-list span {
  padding: 6px 8px;
  border-radius: 7px;
  color: #365a64;
  background: #edf4f3;
  font-size: 9px;
}

.teacher-chip-list .muted,
.student-mini-list .muted {
  color: var(--muted);
  background: transparent;
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 200;
  max-width: 360px;
  padding: 13px 17px;
  border-radius: 11px;
  color: #fff;
  background: #203f4a;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: 160ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast.error {
  background: #963f3f;
}

@media (max-width: 1050px) {
  .metric-grid,
  .course-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .student-workspace {
    grid-template-columns: 240px minmax(0, 1fr);
  }

  .student-detail-grid {
    grid-template-columns: 1fr;
  }

  .student-side-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .event-review-summary {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .sidebar {
    position: sticky;
    top: 0;
    width: 100%;
    height: auto;
    padding: 12px 14px;
  }

  .brand {
    padding: 0 4px 12px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 11px;
  }

  .nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 4px;
  }

  .nav-item {
    min-height: 54px;
    padding: 7px 4px;
    grid-template-columns: 1fr;
    gap: 2px;
    justify-items: center;
    text-align: center;
    font-size: 10px;
  }

  .nav-icon {
    font-size: 14px;
  }

  .nav-count {
    display: none;
  }

  .sidebar-foot {
    display: none;
  }

  .main {
    margin-left: 0;
    padding: 0 15px 38px;
  }

  .topbar {
    min-height: 82px;
    padding-top: 14px;
  }

  h1 {
    font-size: 23px;
  }

  .sync-pill {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 25px;
  }

  .hero-date {
    display: none;
  }

  .metric-grid,
  .course-strip {
    grid-template-columns: 1fr 1fr;
    gap: 9px;
  }

  .course-panel-actions {
    align-items: flex-end;
    flex-direction: column;
    gap: 6px;
  }

  .today-courses-tools {
    grid-template-columns: 1fr;
  }

  .today-course-row {
    grid-template-columns: 94px minmax(0, 1fr);
    gap: 12px;
  }

  .today-course-teacher {
    grid-column: 2;
  }

  .metric-card {
    min-height: 118px;
    padding: 17px;
  }

  .metric-value {
    font-size: 32px;
  }

  .section-intro {
    align-items: stretch;
    flex-direction: column;
  }

  .filter-row {
    align-items: stretch;
    flex-direction: column;
  }

  .filter-row select {
    width: 100%;
  }

  .event-card,
  .mapping-card {
    grid-template-columns: 1fr;
  }

  .anomaly-card {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
    padding: 18px 17px;
  }

  .anomaly-card-marker {
    width: 40px;
    height: 40px;
    border-radius: 13px;
    font-size: 15px;
  }

  .anomaly-card-end {
    grid-column: 2;
    align-items: center;
    flex-direction: row;
    padding: 12px 0 0;
    border-top: 1px solid #edf0f0;
    border-left: 0;
  }

  .anomaly-card-deadline {
    text-align: left;
  }

  .anomaly-detail-hero {
    grid-template-columns: 46px minmax(0, 1fr);
    padding: 24px 20px 20px;
  }

  .anomaly-detail-symbol {
    width: 44px;
    height: 44px;
    border-radius: 13px;
    font-size: 17px;
  }

  .anomaly-detail-hero h2 {
    margin-right: 28px;
    font-size: 18px;
  }

  .anomaly-detail-grid {
    grid-template-columns: 1fr 1fr;
    padding: 18px 20px 0;
  }

  .anomaly-explanation-grid {
    grid-template-columns: 1fr;
    padding: 14px 20px 0;
  }

  .anomaly-detail-section {
    margin: 18px 20px 0;
  }

  .anomaly-detail-actions {
    padding: 16px 20px 20px;
  }

  .anomaly-record-row {
    grid-template-columns: 30px minmax(0, 1fr);
  }

  .anomaly-record-row time {
    grid-column: 2;
  }

  .mapping-batch-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .mapping-batch-toolbar button {
    margin-left: 0;
  }

  .mapping-review-summary {
    grid-template-columns: 1fr;
  }

  .event-review-summary {
    grid-template-columns: 1fr 1fr;
  }

  .student-main-search input {
    width: 100%;
    min-width: 0;
  }

  .student-workspace {
    display: block;
  }

  .student-directory {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .student-directory-list {
    max-height: 300px;
  }

  .student-detail {
    padding: 17px;
  }

  .student-summary-grid {
    grid-template-columns: 1fr 1fr;
  }

  .student-side-stack {
    grid-template-columns: 1fr;
  }

  .policy-strip {
    grid-template-columns: 1fr;
  }

  .teacher-rate-grid {
    grid-template-columns: 1fr;
  }

  .teacher-rate-summary {
    grid-template-columns: 1fr;
  }

  .teacher-rate-tools {
    align-items: stretch;
    flex-direction: column;
  }

  .teacher-rate-tools input {
    width: 100%;
  }

  .teacher-rate-heading,
  .teacher-rate-meta {
    align-items: flex-start;
    flex-direction: column;
  }

  .teacher-rate-period {
    align-items: stretch;
    flex-direction: column;
  }

  .teacher-rate-detail-list {
    grid-template-columns: 1fr;
  }

  .event-actions,
  .mapping-actions {
    justify-content: flex-start;
  }
}
.smart-review-advice {
  display: flex;
  gap: 8px;
  margin-top: 7px;
  color: #607075;
  font-size: 10px;
}
.smart-review-advice strong { color: var(--teal); }
.chip.review-high_risk, .chip.review-uncertain { color: #914943; background: #f9dfdc; }
.chip.review-high_confidence { color: #0b6557; background: #d9f2e9; }
.chip.review-observed { color: #536a72; background: #e8eff1; }
.chip.review-review { color: #80601e; background: #fff0c9; }

/* Platform UI V2: one visual system across the teaching workspace. */
.platform-ui-v2 {
  --ink: #163039;
  --muted: #697b80;
  --line: #dce6e4;
  --paper: #f2f6f5;
  --panel: #ffffff;
  --navy: #153c42;
  --teal: #15756c;
  --teal-soft: #e5f3ef;
  --amber: #aa6d18;
  --amber-soft: #fbf0dc;
  --red: #b74f50;
  --red-soft: #faeaea;
  --blue-soft: #e8f0f5;
  --shadow: 0 14px 36px rgba(31, 64, 68, 0.07);
  color: var(--ink);
  background:
    radial-gradient(circle at 92% 4%, rgba(41, 139, 124, 0.07), transparent 28rem),
    linear-gradient(180deg, #f6f8f7 0, var(--paper) 340px);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
  font-size: 14px;
  line-height: 1.55;
}

.platform-ui-v2 h1,
.platform-ui-v2 h2,
.platform-ui-v2 h3,
.platform-ui-v2 h4,
.platform-ui-v2 .metric-value,
.platform-ui-v2 .teacher-rate-heading h3,
.platform-ui-v2 .teacher-rate-summary strong,
.platform-ui-v2 .teacher-rate-topline b,
.platform-ui-v2 .student-summary-grid strong {
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
}

.platform-ui-v2 .sidebar {
  width: 258px;
  padding: 30px 20px 22px;
  background:
    radial-gradient(circle at 0 0, rgba(112, 208, 190, 0.14), transparent 18rem),
    linear-gradient(180deg, #173f46 0%, #14343b 58%, #112e34 100%);
  box-shadow: 12px 0 35px rgba(21, 55, 60, 0.08);
}

.platform-ui-v2 .brand {
  gap: 13px;
  padding: 0 8px 34px;
}

.platform-ui-v2 .brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 15px;
  color: #174a49;
  background: linear-gradient(145deg, #e9f7f2, #c7e7df);
  box-shadow: 0 9px 22px rgba(0, 0, 0, 0.12);
  font-family: "STKaiti", "KaiTi", "Microsoft YaHei", sans-serif;
  font-size: 23px;
}

.platform-ui-v2 .brand-title {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.platform-ui-v2 .brand-subtitle {
  margin-top: 3px;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.platform-ui-v2 .nav {
  gap: 7px;
}

.platform-ui-v2 .nav-item {
  min-height: 50px;
  padding: 0 13px;
  border-radius: 14px;
  grid-template-columns: 30px 1fr auto;
  gap: 9px;
  color: rgba(246, 252, 250, 0.72);
  font-size: 14px;
  font-weight: 600;
}

.platform-ui-v2 .nav-item:hover,
.platform-ui-v2 .nav-item:focus-visible {
  background: rgba(255, 255, 255, 0.075);
}

.platform-ui-v2 .nav-item.active {
  color: #fff;
  background: linear-gradient(90deg, rgba(113, 202, 185, 0.24), rgba(113, 202, 185, 0.11));
  box-shadow: inset 3px 0 #86d5c5, 0 7px 18px rgba(5, 30, 33, 0.12);
}

.platform-ui-v2 .nav-icon {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 9px;
  color: #cae6e0;
  background: rgba(255, 255, 255, 0.06);
  font-size: 14px;
}

.platform-ui-v2 .nav-item.active .nav-icon {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.platform-ui-v2 .nav-count {
  min-width: 27px;
  height: 23px;
  font-size: 11px;
  font-weight: 700;
}

.platform-ui-v2 .sidebar-foot {
  padding: 19px 9px 0;
  border-color: rgba(255, 255, 255, 0.11);
}

.platform-ui-v2 .security-note {
  font-size: 12px;
  font-weight: 700;
}

.platform-ui-v2 .security-copy {
  font-size: 10px;
  line-height: 1.5;
}

.platform-ui-v2 .main {
  margin-left: 258px;
  padding: 0 38px 64px;
}

.platform-ui-v2 .topbar {
  position: sticky;
  top: 0;
  z-index: 8;
  min-height: 94px;
  padding: 18px 0 16px;
  background: rgba(244, 247, 246, 0.88);
  border-bottom: 1px solid rgba(218, 228, 226, 0.78);
  backdrop-filter: blur(16px);
}

.platform-ui-v2 .eyebrow,
.platform-ui-v2 .section-kicker,
.platform-ui-v2 .panel-kicker,
.platform-ui-v2 .hero-kicker {
  margin-bottom: 6px;
  color: #2c847a;
  font-size: 11px;
  letter-spacing: 0.1em;
}

.platform-ui-v2 h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.platform-ui-v2 h2 {
  font-size: 25px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.platform-ui-v2 h3 {
  font-size: 17px;
  font-weight: 800;
}

.platform-ui-v2 .topbar-actions {
  gap: 12px;
}

.platform-ui-v2 .sync-pill {
  height: 40px;
  padding: 0 15px;
  border-color: #d6e2df;
  color: #5f7378;
  background: rgba(255, 255, 255, 0.85);
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 5px 16px rgba(37, 68, 72, 0.04);
}

.platform-ui-v2 .button {
  min-height: 43px;
  padding: 0 18px;
  border-radius: 11px;
  font-size: 13px;
  font-weight: 800;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

.platform-ui-v2 .button.compact {
  min-height: 40px;
  padding: 0 15px;
  font-size: 12px;
}

.platform-ui-v2 .button.primary {
  background: linear-gradient(135deg, #1b8177, #12685f);
  box-shadow: 0 8px 18px rgba(21, 117, 108, 0.17);
}

.platform-ui-v2 .button.primary:hover {
  background: linear-gradient(135deg, #18776e, #105d56);
  transform: translateY(-1px);
}

.platform-ui-v2 .button.secondary {
  border-color: #d7e1df;
  background: rgba(255, 255, 255, 0.9);
}

.platform-ui-v2 .hero {
  min-height: 210px;
  padding: 36px 40px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  background:
    radial-gradient(circle at 88% 20%, rgba(138, 220, 204, 0.16), transparent 15rem),
    linear-gradient(135deg, #173f48 0%, #1e5a5b 58%, #277064 100%);
  box-shadow: 0 20px 46px rgba(24, 67, 70, 0.16);
}

.platform-ui-v2 .hero h2 {
  max-width: 700px;
  margin-bottom: 14px;
  font-size: clamp(27px, 3vw, 36px);
  font-weight: 800;
  line-height: 1.35;
}

.platform-ui-v2 .hero-copy {
  max-width: 690px;
  color: rgba(248, 255, 253, 0.75);
  font-size: 14px;
}

.platform-ui-v2 .hero-date {
  width: 118px;
  height: 118px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.085);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.platform-ui-v2 .hero-date span {
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 42px;
  font-weight: 800;
}

.platform-ui-v2 .metric-grid {
  gap: 16px;
  margin-top: 20px;
}

.platform-ui-v2 .metric-card {
  position: relative;
  min-height: 140px;
  padding: 23px 24px;
  border-color: #dfe8e6;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.platform-ui-v2 .metric-card::after {
  position: absolute;
  top: 0;
  right: 0;
  width: 78px;
  height: 78px;
  border-radius: 0 0 0 78px;
  background: rgba(33, 133, 119, 0.055);
  content: "";
}

.platform-ui-v2 .metric-card:nth-child(3)::after {
  background: rgba(183, 79, 80, 0.07);
}

.platform-ui-v2 .metric-label {
  color: #66797e;
  font-size: 12px;
  font-weight: 700;
}

.platform-ui-v2 .metric-value {
  margin-top: 11px;
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.platform-ui-v2 .metric-foot {
  margin-top: 10px;
  color: #96a4a7;
  font-size: 11px;
}

.platform-ui-v2 .overview-grid {
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 20px;
}

.platform-ui-v2 .panel {
  padding: 25px;
  border-color: #dfe8e6;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.platform-ui-v2 .panel-head {
  margin-bottom: 19px;
  align-items: center;
}

.platform-ui-v2 .panel-head h3 {
  color: #1b353d;
}

.platform-ui-v2 .text-button {
  min-height: 34px;
  padding: 0 10px;
  border-radius: 9px;
  color: #16776e;
  background: #edf6f3;
  font-size: 12px;
  font-weight: 800;
}

.platform-ui-v2 .text-button:hover,
.platform-ui-v2 .text-button:focus-visible {
  background: #dfeeea;
  outline: none;
}

.platform-ui-v2 .queue-item {
  min-height: 64px;
  padding: 12px 4px;
  border-color: #edf1f0;
}

.platform-ui-v2 .queue-type {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  font-size: 13px;
}

.platform-ui-v2 .queue-title {
  font-size: 13px;
}

.platform-ui-v2 .queue-meta,
.platform-ui-v2 .queue-time {
  font-size: 11px;
}

.platform-ui-v2 .course-panel {
  margin-top: 20px;
}

.platform-ui-v2 .course-strip {
  gap: 12px;
}

.platform-ui-v2 .course-card {
  min-height: 112px;
  padding: 17px;
  border-color: #e2e9e8;
  border-radius: 15px;
  background: linear-gradient(145deg, #fbfdfc, #f5f9f8);
  transition: border-color 160ms ease, transform 160ms ease;
}

.platform-ui-v2 .course-card:hover {
  border-color: #a7c9c3;
  transform: translateY(-1px);
}

.platform-ui-v2 .course-time {
  font-size: 12px;
}

.platform-ui-v2 .course-student {
  margin-top: 13px;
  font-size: 15px;
}

.platform-ui-v2 .course-teacher {
  font-size: 12px;
}

.platform-ui-v2 .section-intro {
  margin: 18px 0;
  padding: 24px 26px;
  border: 1px solid #dfe8e6;
  border-radius: 20px;
  align-items: center;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 9px 25px rgba(35, 67, 70, 0.045);
}

.platform-ui-v2 .section-intro h2 {
  margin-bottom: 7px;
  font-size: 25px;
}

.platform-ui-v2 .section-intro p:not(.section-kicker) {
  max-width: 700px;
  color: #687a7f;
  font-size: 13px;
  line-height: 1.7;
}

.platform-ui-v2 select,
.platform-ui-v2 input,
.platform-ui-v2 textarea {
  border-color: #d5e0de;
  border-radius: 11px;
  color: #233a42;
  background: #fff;
  font-size: 13px;
}

.platform-ui-v2 select,
.platform-ui-v2 input {
  min-height: 43px;
  padding: 0 13px;
}

.platform-ui-v2 select:focus,
.platform-ui-v2 input:focus,
.platform-ui-v2 textarea:focus {
  border-color: #65a99f;
  box-shadow: 0 0 0 4px rgba(21, 117, 108, 0.09);
}

.platform-ui-v2 .filter-row {
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.platform-ui-v2 .filter-row select {
  width: 174px;
}

.platform-ui-v2 .policy-strip {
  gap: 14px;
  margin-bottom: 20px;
}

.platform-ui-v2 .policy-strip > div {
  min-height: 118px;
  padding: 19px 20px;
  border-color: #dfe8e6;
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 23px rgba(35, 67, 70, 0.04);
}

.platform-ui-v2 .policy-strip strong {
  font-size: 14px;
}

.platform-ui-v2 .policy-strip span {
  margin-top: 9px;
  font-size: 12px;
  line-height: 1.7;
}

.platform-ui-v2 .event-list,
.platform-ui-v2 .mapping-list {
  gap: 14px;
}

.platform-ui-v2 .event-card:not(.anomaly-card),
.platform-ui-v2 .mapping-card {
  padding: 22px 24px;
  border-color: #dfe7e6;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 9px 27px rgba(35, 67, 70, 0.045);
}

.platform-ui-v2 .event-message {
  margin-top: 12px;
  color: #20373f;
  font-size: 14px;
  line-height: 1.65;
}

.platform-ui-v2 .event-meta,
.platform-ui-v2 .mapping-meta,
.platform-ui-v2 .mapping-review-reason {
  font-size: 12px;
  line-height: 1.65;
}

.platform-ui-v2 .chip {
  min-height: 27px;
  padding: 0 9px;
  font-size: 10px;
}

.platform-ui-v2 .small-action {
  min-height: 36px;
  padding: 0 12px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 800;
}

.platform-ui-v2 .event-review-summary,
.platform-ui-v2 .mapping-review-summary {
  gap: 11px;
  margin-bottom: 16px;
}

.platform-ui-v2 .event-review-summary article,
.platform-ui-v2 .mapping-review-summary button {
  min-height: 70px;
  padding: 13px 15px;
  border-color: #dfe7e5;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 6px 18px rgba(35, 67, 70, 0.035);
}

.platform-ui-v2 .mapping-review-summary button.active {
  border-color: #87bdb5;
  background: #edf7f4;
  box-shadow: inset 0 0 0 1px rgba(21, 117, 108, 0.08);
}

.platform-ui-v2 .mapping-batch-toolbar {
  min-height: 54px;
  margin-bottom: 14px;
  padding: 10px 15px;
  border-color: #dfe7e5;
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.84);
  font-size: 12px;
}

.platform-ui-v2 .mapping-card {
  gap: 22px;
}

.platform-ui-v2 .mapping-name {
  font-size: 15px;
}

.platform-ui-v2 .candidate-button {
  min-height: 78px;
  border-radius: 11px;
  background: #f3f9f7;
}

.platform-ui-v2 .mapping-history-panel,
.platform-ui-v2 .teacher-rate-section {
  border-color: #dfe8e6;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.platform-ui-v2 .teacher-rate-section {
  padding: 25px;
}

.platform-ui-v2 .teacher-rate-heading h3 {
  font-size: 22px;
}

.platform-ui-v2 .teacher-rate-summary > div {
  min-height: 80px;
  padding: 15px 17px;
  border: 1px solid #e0e9e7;
  border-radius: 14px;
  background: #f5faf8;
}

.platform-ui-v2 .teacher-rate-summary strong {
  font-size: 24px;
  font-weight: 800;
}

.platform-ui-v2 .teacher-rate-card {
  padding: 18px;
  border-color: #dfe7e5;
  border-radius: 16px;
  box-shadow: 0 7px 20px rgba(35, 67, 70, 0.035);
}

.platform-ui-v2 .teacher-rate-card:hover,
.platform-ui-v2 .teacher-rate-card:focus-visible {
  border-color: #87b8af;
  box-shadow: 0 13px 28px rgba(34, 81, 76, 0.09);
  transform: translateY(-1px);
}

.platform-ui-v2 .teacher-rate-topline b {
  font-size: 24px;
  font-weight: 800;
}

.platform-ui-v2 .teacher-rate-sources span {
  padding: 5px 8px;
  border-radius: 8px;
  font-size: 11px;
}

.platform-ui-v2 .feedback-image-grid {
  gap: 16px;
}

.platform-ui-v2 .feedback-image-card {
  border-color: #dfe7e5;
  border-radius: 18px;
  box-shadow: 0 10px 28px rgba(35, 67, 70, 0.055);
}

.platform-ui-v2 .feedback-image-card img {
  height: 195px;
  background: #edf2f1;
}

.platform-ui-v2 .feedback-image-copy {
  padding: 16px 17px 18px;
}

.platform-ui-v2 .feedback-image-title {
  font-size: 14px;
}

.platform-ui-v2 .feedback-image-meta {
  font-size: 11px;
  line-height: 1.65;
}

.platform-ui-v2 .student-workspace {
  grid-template-columns: 310px minmax(0, 1fr);
  min-height: 680px;
  border-color: #dce6e4;
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow);
}

.platform-ui-v2 .student-directory {
  border-color: #e0e8e6;
  background: #f7faf9;
}

.platform-ui-v2 .directory-head {
  min-height: 61px;
  padding: 18px 20px;
  font-size: 13px;
}

.platform-ui-v2 .directory-head span {
  font-size: 11px;
}

.platform-ui-v2 .student-directory-list {
  padding: 10px;
}

.platform-ui-v2 .student-directory-item {
  min-height: 63px;
  padding: 11px 10px;
  border-radius: 12px;
}

.platform-ui-v2 .student-directory-item:hover,
.platform-ui-v2 .student-directory-item.active {
  background: #e8f3f0;
}

.platform-ui-v2 .student-directory-item strong {
  font-size: 13px;
}

.platform-ui-v2 .student-directory-item small {
  font-size: 11px;
}

.platform-ui-v2 .student-avatar {
  width: 40px;
  height: 40px;
  border-radius: 13px;
}

.platform-ui-v2 .student-detail {
  padding: 28px;
}

.platform-ui-v2 .student-profile-head h2 {
  font-size: 24px;
}

.platform-ui-v2 .student-profile-meta {
  font-size: 12px;
}

.platform-ui-v2 .student-summary-grid {
  gap: 11px;
  margin: 20px 0;
}

.platform-ui-v2 .student-summary-grid article {
  min-height: 84px;
  padding: 16px;
  border-color: #e0e8e6;
  border-radius: 14px;
  background: #f7faf9;
}

.platform-ui-v2 .student-summary-grid span {
  font-size: 11px;
}

.platform-ui-v2 .student-summary-grid strong {
  font-size: 24px;
  font-weight: 800;
}

.platform-ui-v2 .student-timeline-panel,
.platform-ui-v2 .student-side-card {
  border-color: #dfe7e5;
  border-radius: 16px;
}

.platform-ui-v2 .timeline-item h4 {
  font-size: 13px;
}

.platform-ui-v2 .timeline-item p {
  font-size: 12px;
}

.platform-ui-v2 .timeline-head time {
  font-size: 10px;
}

.platform-ui-v2 .empty-state {
  border-color: #d4e1de;
  border-radius: 16px;
  color: #839397;
  background: rgba(255, 255, 255, 0.55);
  font-size: 13px;
}

.platform-ui-v2 .modal-backdrop {
  background: rgba(13, 33, 39, 0.56);
  backdrop-filter: blur(8px);
}

.platform-ui-v2 .modal:not(.anomaly-detail-modal) {
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.84);
  border-radius: 22px;
  box-shadow: 0 35px 90px rgba(11, 33, 39, 0.28);
}

.platform-ui-v2 .modal h2 {
  color: #183139;
  font-size: 24px;
}

.platform-ui-v2 .modal-close {
  top: 18px;
  right: 18px;
  width: 38px;
  height: 38px;
  color: #53676c;
  background: #edf2f1;
  font-size: 21px;
}

.platform-ui-v2 .modal-context {
  border-left-color: #58a79b;
  border-radius: 0 11px 11px 0;
  font-size: 12px;
}

.platform-ui-v2 .toast {
  border-radius: 12px;
  font-size: 13px;
  box-shadow: 0 16px 38px rgba(17, 45, 50, 0.2);
}

/* Teacher intelligence shadow workspace */
.platform-ui-v2 .teacher-intelligence-intro {
  background:
    radial-gradient(circle at 92% 16%, rgba(89, 183, 168, 0.18), transparent 30%),
    linear-gradient(145deg, #ffffff 0%, #f2f8f6 100%);
}

.platform-ui-v2 .teacher-intelligence-controls {
  display: grid;
  grid-template-columns: minmax(190px, 1fr) 140px 190px;
  gap: 10px;
  min-width: min(100%, 560px);
}

.platform-ui-v2 .teacher-intelligence-controls input,
.platform-ui-v2 .teacher-intelligence-controls select {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  padding: 0 13px;
  font: inherit;
}

.platform-ui-v2 .teacher-intelligence-notice {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 16px 0;
  padding: 14px 18px;
  border: 1px solid rgba(38, 112, 101, 0.2);
  border-radius: 15px;
  background: #eef8f4;
  color: #40645f;
}

.platform-ui-v2 .teacher-intelligence-notice strong {
  color: #17675d;
  white-space: nowrap;
}

.platform-ui-v2 .teacher-intelligence-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.platform-ui-v2 .teacher-intelligence-summary article {
  min-height: 118px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.platform-ui-v2 .teacher-intelligence-summary span,
.platform-ui-v2 .teacher-intelligence-summary small {
  color: var(--muted);
}

.platform-ui-v2 .teacher-intelligence-summary strong {
  margin: 5px 0;
  color: #173d3a;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 32px;
}

.platform-ui-v2 .teacher-intelligence-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.platform-ui-v2 .teacher-intelligence-card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.platform-ui-v2 .teacher-intelligence-card:hover {
  transform: translateY(-2px);
  border-color: rgba(35, 116, 104, 0.36);
  box-shadow: 0 18px 38px rgba(25, 66, 61, 0.11);
}

.platform-ui-v2 .teacher-intelligence-card-head {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 11px;
  align-items: center;
}

.platform-ui-v2 .teacher-intelligence-avatar {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(145deg, #1d7067, #53a496);
  color: #fff;
  font-weight: 700;
}

.platform-ui-v2 .teacher-intelligence-card-head strong,
.platform-ui-v2 .teacher-intelligence-card-head span {
  display: block;
}

.platform-ui-v2 .teacher-intelligence-card-head strong {
  color: var(--ink);
  font-size: 17px;
}

.platform-ui-v2 .teacher-intelligence-card-head span,
.platform-ui-v2 .teacher-intelligence-score small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.platform-ui-v2 .teacher-intelligence-score {
  text-align: right;
}

.platform-ui-v2 .teacher-intelligence-score b {
  display: block;
  color: #174f49;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 27px;
}

.platform-ui-v2 .teacher-intelligence-tags {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  margin: 17px 0;
}

.platform-ui-v2 .teacher-intelligence-tags span {
  padding: 5px 9px;
  border-radius: 999px;
  background: #f3f6f5;
  color: #5d706d;
  font-size: 11px;
}

.platform-ui-v2 .teacher-intelligence-tags .intelligence-level,
.platform-ui-v2 .teacher-intelligence-tags .confidence-high {
  background: #e4f5ed;
  color: #187059;
}

.platform-ui-v2 .teacher-intelligence-tags .confidence-medium {
  background: #fff3d8;
  color: #93651b;
}

.platform-ui-v2 .teacher-intelligence-tags .confidence-low {
  background: #f2f0ee;
  color: #7a6e65;
}

.platform-ui-v2 .teacher-intelligence-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  padding: 13px 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.platform-ui-v2 .teacher-intelligence-facts div {
  text-align: center;
}

.platform-ui-v2 .teacher-intelligence-facts b,
.platform-ui-v2 .teacher-intelligence-facts span {
  display: block;
}

.platform-ui-v2 .teacher-intelligence-facts b {
  color: #294c48;
  font-size: 15px;
}

.platform-ui-v2 .teacher-intelligence-facts span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
}

.platform-ui-v2 .teacher-intelligence-coverage {
  margin-top: 15px;
}

.platform-ui-v2 .teacher-intelligence-coverage > div:first-child {
  display: flex;
  justify-content: space-between;
  color: #647773;
  font-size: 12px;
}

.platform-ui-v2 .intelligence-track {
  height: 7px;
  overflow: hidden;
  margin-top: 7px;
  border-radius: 99px;
  background: #e8eeec;
}

.platform-ui-v2 .intelligence-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #2a8073, #75b8aa);
}

.platform-ui-v2 .teacher-intelligence-card > p {
  min-height: 42px;
  margin: 14px 0;
  color: #586c68;
  font-size: 12px;
  line-height: 1.65;
}

.platform-ui-v2 .teacher-intelligence-card > button,
.platform-ui-v2 .teacher-intelligence-detail-head button {
  min-height: 38px;
  border: 1px solid #b9d0cb;
  border-radius: 11px;
  background: #fff;
  color: #1e675f;
  padding: 0 13px;
  cursor: pointer;
  font: inherit;
}

.platform-ui-v2 .teacher-intelligence-detail {
  margin-top: 20px;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 21px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.platform-ui-v2 .teacher-intelligence-detail-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
}

.platform-ui-v2 .teacher-intelligence-detail-head h3 {
  margin: 3px 0 5px;
  font-size: 24px;
}

.platform-ui-v2 .teacher-intelligence-detail-head span {
  color: var(--muted);
}

.platform-ui-v2 .teacher-intelligence-explanation {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 21px 0;
}

.platform-ui-v2 .teacher-intelligence-explanation article {
  padding: 17px;
  border-radius: 15px;
  background: #f3f8f6;
}

.platform-ui-v2 .teacher-intelligence-explanation strong,
.platform-ui-v2 .teacher-intelligence-explanation b,
.platform-ui-v2 .teacher-intelligence-explanation span {
  display: block;
}

.platform-ui-v2 .teacher-intelligence-explanation b {
  margin: 6px 0;
  color: #174f49;
  font-size: 19px;
}

.platform-ui-v2 .teacher-intelligence-explanation span {
  color: var(--muted);
  font-size: 12px;
}

.platform-ui-v2 .teacher-intelligence-dimensions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px;
}

.platform-ui-v2 .teacher-intelligence-dimension {
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-radius: 15px;
}

.platform-ui-v2 .teacher-intelligence-dimension.unavailable {
  background: #faf9f7;
  opacity: 0.82;
}

.platform-ui-v2 .teacher-intelligence-dimension > div:first-child {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 9px;
}

.platform-ui-v2 .teacher-intelligence-dimension > div:first-child span,
.platform-ui-v2 .teacher-intelligence-dimension p,
.platform-ui-v2 .teacher-intelligence-dimension small {
  color: var(--muted);
  font-size: 12px;
}

.platform-ui-v2 .teacher-intelligence-dimension p {
  margin: 10px 0 5px;
  line-height: 1.55;
}

.platform-ui-v2 .teacher-intelligence-narrative {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.platform-ui-v2 .teacher-intelligence-narrative section {
  padding: 16px;
  border-radius: 15px;
  background: #f8faf9;
}

.platform-ui-v2 .teacher-intelligence-narrative p {
  margin: 8px 0 0;
  color: #60736f;
  font-size: 12px;
  line-height: 1.55;
}

.platform-ui-v2 .teacher-intelligence-history {
  margin-top: 18px;
  padding-top: 17px;
  border-top: 1px solid var(--line-soft);
}

.platform-ui-v2 .teacher-intelligence-history > div {
  display: flex;
  gap: 9px;
  overflow-x: auto;
  margin-top: 10px;
}

.platform-ui-v2 .teacher-intelligence-history span {
  flex: 0 0 auto;
  display: grid;
  gap: 4px;
  min-width: 180px;
  padding: 11px 13px;
  border-radius: 12px;
  background: #f2f6f5;
}

.platform-ui-v2 .teacher-intelligence-history small {
  color: var(--muted);
}

@media (max-width: 1250px) {
  .platform-ui-v2 .teacher-intelligence-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .platform-ui-v2 .teacher-intelligence-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .platform-ui-v2 .teacher-intelligence-controls,
  .platform-ui-v2 .teacher-intelligence-summary,
  .platform-ui-v2 .teacher-intelligence-grid,
  .platform-ui-v2 .teacher-intelligence-explanation,
  .platform-ui-v2 .teacher-intelligence-dimensions,
  .platform-ui-v2 .teacher-intelligence-narrative {
    grid-template-columns: 1fr;
    min-width: 0;
  }

  .platform-ui-v2 .teacher-intelligence-notice,
  .platform-ui-v2 .teacher-intelligence-detail-head {
    align-items: flex-start;
    flex-direction: column;
  }
}

.platform-ui-v2 .operations-intro {
  margin-bottom: 18px;
}

.platform-ui-v2 .operations-checked-at {
  min-width: 210px;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.platform-ui-v2 .operations-summary {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 13px;
  margin-bottom: 18px;
}

.platform-ui-v2 .operations-summary-card {
  position: relative;
  min-height: 136px;
  padding: 21px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 8px 28px rgba(25, 62, 66, 0.055);
}

.platform-ui-v2 .operations-summary-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: #55a99b;
}

.platform-ui-v2 .operations-summary-card.attention::before {
  background: #c56a58;
}

.platform-ui-v2 .operations-summary-card span,
.platform-ui-v2 .operations-summary-card small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.platform-ui-v2 .operations-summary-card strong {
  display: block;
  margin: 15px 0 9px;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 22px;
}

.platform-ui-v2 .operations-attention-panel,
.platform-ui-v2 .operations-services-panel {
  margin-bottom: 18px;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.platform-ui-v2 .operations-section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.platform-ui-v2 .operations-section-heading h3 {
  margin: 4px 0 0;
  font-size: 19px;
}

.platform-ui-v2 .operations-section-heading > span {
  color: var(--muted);
  font-size: 12px;
}

.platform-ui-v2 .operations-attention-list {
  display: grid;
  gap: 9px;
}

.platform-ui-v2 .operations-attention-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 10px 13px;
  border-radius: 11px;
  background: #fff7e7;
}

.platform-ui-v2 .operations-attention-item.problem {
  background: #fff1ee;
}

.platform-ui-v2 .operations-attention-item span {
  padding: 4px 7px;
  border-radius: 999px;
  background: rgba(181, 116, 38, 0.12);
  color: #98601c;
  font-size: 11px;
  text-align: center;
}

.platform-ui-v2 .operations-attention-item.problem span {
  background: rgba(183, 76, 61, 0.12);
  color: #a04336;
}

.platform-ui-v2 .operations-attention-item strong {
  font-size: 13px;
  font-weight: 600;
}

.platform-ui-v2 .operations-service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.platform-ui-v2 .operations-service-card {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 68px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fbfdfc;
}

.platform-ui-v2 .operations-service-dot {
  width: 9px;
  height: 9px;
  flex: 0 0 9px;
  border-radius: 50%;
  background: #60aa8f;
  box-shadow: 0 0 0 5px rgba(96, 170, 143, 0.12);
}

.platform-ui-v2 .operations-service-card.attention .operations-service-dot {
  background: #c96b5d;
  box-shadow: 0 0 0 5px rgba(201, 107, 93, 0.12);
}

.platform-ui-v2 .operations-service-card strong,
.platform-ui-v2 .operations-service-card small {
  display: block;
}

.platform-ui-v2 .operations-service-card strong {
  margin-bottom: 4px;
  font-size: 13px;
}

.platform-ui-v2 .operations-service-card small {
  color: var(--muted);
  font-size: 11px;
}

.platform-ui-v2 .parent-meeting-summary {
  margin-bottom: 16px;
}

.platform-ui-v2 .parent-meeting-policy {
  margin-bottom: 16px;
}

.platform-ui-v2 .parent-meeting-list {
  display: grid;
  gap: 12px;
}

.platform-ui-v2 .parent-meeting-card {
  border-color: #c9dcd6;
}

.platform-ui-v2 .parent-meeting-review-actions {
  display: flex;
  min-width: 220px;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.platform-ui-v2 .parent-meeting-responsibility-list {
  margin-top: 16px;
  border-top: 1px solid var(--line);
}

.platform-ui-v2 .parent-meeting-responsibility {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.platform-ui-v2 .parent-meeting-responsibility:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.platform-ui-v2 .parent-meeting-responsibility-copy {
  min-width: 0;
}

.platform-ui-v2 .parent-meeting-responsibility-copy > div {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.platform-ui-v2 .parent-meeting-responsibility-copy p,
.platform-ui-v2 .parent-meeting-responsibility-copy small {
  display: block;
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.platform-ui-v2 .parent-meeting-card:has(.chip.red) {
  border-color: #e2b9b1;
  background: #fffaf8;
}

.platform-ui-v2 .parent-meeting-card:has(.chip.amber) {
  border-color: #e1cda5;
  background: #fffdf7;
}

@media (max-width: 760px) {
  .platform-ui-v2 .parent-meeting-responsibility {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .platform-ui-v2 .parent-meeting-review-actions {
    min-width: 0;
    justify-content: flex-start;
  }
}

@media (max-width: 1250px) {
  .platform-ui-v2 .sidebar {
    width: 238px;
  }

  .platform-ui-v2 .main {
    margin-left: 238px;
    padding-inline: 28px;
  }

  .platform-ui-v2 .metric-grid,
  .platform-ui-v2 .course-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .platform-ui-v2 .section-intro {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .platform-ui-v2 .operations-summary {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .platform-ui-v2 .operations-service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1050px) {
  .platform-ui-v2 .sidebar {
    position: static;
    width: 100%;
    padding: 18px 20px;
  }

  .platform-ui-v2 .brand {
    padding-bottom: 16px;
  }

  .platform-ui-v2 .nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .platform-ui-v2 .sidebar-foot {
    display: none;
  }

  .platform-ui-v2 .main {
    margin-left: 0;
    padding-inline: 24px;
  }

  .platform-ui-v2 .topbar {
    position: static;
  }

  .platform-ui-v2 .overview-grid {
    grid-template-columns: 1fr;
  }

  .platform-ui-v2 .student-workspace {
    grid-template-columns: 280px minmax(0, 1fr);
  }
}

@media (max-width: 760px) {
  .platform-ui-v2 {
    font-size: 13px;
  }

  .platform-ui-v2 .sidebar {
    padding: 16px;
  }

  .platform-ui-v2 .brand {
    padding: 0 2px 14px;
  }

  .platform-ui-v2 .nav {
    display: flex;
    gap: 7px;
    overflow-x: auto;
    padding-bottom: 3px;
  }

  .platform-ui-v2 .nav-item {
    flex: 0 0 auto;
    min-height: 43px;
    padding: 0 11px;
    grid-template-columns: 24px auto auto;
    border-radius: 11px;
    font-size: 12px;
  }

  .platform-ui-v2 .nav-icon {
    width: 24px;
    height: 24px;
    border-radius: 7px;
    font-size: 12px;
  }

  .platform-ui-v2 .main {
    padding: 0 15px 40px;
  }

  .platform-ui-v2 .topbar {
    min-height: auto;
    padding: 18px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .platform-ui-v2 h1 {
    font-size: 24px;
  }

  .platform-ui-v2 .topbar-actions {
    width: 100%;
    justify-content: space-between;
  }

  .platform-ui-v2 .hero {
    min-height: 250px;
    padding: 27px 23px;
    align-items: flex-start;
    flex-direction: column;
    border-radius: 20px;
  }

  .platform-ui-v2 .hero h2 {
    font-size: 26px;
  }

  .platform-ui-v2 .hero-date {
    width: 86px;
    height: 72px;
    border-radius: 20px;
  }

  .platform-ui-v2 .hero-date span {
    font-size: 30px;
  }

  .platform-ui-v2 .metric-grid,
  .platform-ui-v2 .course-strip,
  .platform-ui-v2 .policy-strip,
  .platform-ui-v2 .teacher-rate-grid,
  .platform-ui-v2 .feedback-quality-calibration-summary,
  .platform-ui-v2 .feedback-quality-calibration-grid,
  .platform-ui-v2 .feedback-image-grid {
    grid-template-columns: 1fr;
  }

  .platform-ui-v2 .feedback-quality-calibration {
    padding: 18px;
  }

  .platform-ui-v2 .feedback-quality-calibration-head {
    flex-direction: column;
  }

  .platform-ui-v2 .feedback-quality-calibration-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .platform-ui-v2 .metric-card {
    min-height: 118px;
  }

  .platform-ui-v2 .panel,
  .platform-ui-v2 .section-intro,
  .platform-ui-v2 .teacher-rate-section {
    padding: 20px;
    border-radius: 17px;
  }

  .platform-ui-v2 .section-intro {
    align-items: stretch;
    flex-direction: column;
  }

  .platform-ui-v2 .section-intro > *,
  .platform-ui-v2 .search-box,
  .platform-ui-v2 .filter-row select,
  .platform-ui-v2 .mapping-search-controls {
    width: 100%;
  }

  .platform-ui-v2 .filter-row {
    align-items: stretch;
    flex-direction: column;
  }

  .platform-ui-v2 .student-workspace {
    display: block;
    min-height: 0;
    border-radius: 17px;
  }

  .platform-ui-v2 .student-directory {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .platform-ui-v2 .student-detail {
    padding: 20px;
  }

  .platform-ui-v2 .student-summary-grid {
    grid-template-columns: 1fr 1fr;
  }

  .platform-ui-v2 .event-review-summary,
  .platform-ui-v2 .mapping-review-summary {
    grid-template-columns: 1fr 1fr;
  }

  .platform-ui-v2 .operations-summary,
  .platform-ui-v2 .operations-service-grid {
    grid-template-columns: 1fr;
  }

  .platform-ui-v2 .operations-section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .platform-ui-v2 .event-card:not(.anomaly-card),
  .platform-ui-v2 .mapping-card {
    padding: 18px;
  }

  .platform-ui-v2 .modal:not(.anomaly-detail-modal) {
    padding: 24px 20px;
    border-radius: 18px;
  }
}