@import url("./tokens.css");

/* Reference-led portal values are scoped to both role homepages. */
:root {
  --portal-ink: #101c3d;
  --portal-button: linear-gradient(125deg, #40a5e4, #4552be);
  --portal-card-shadow: 0 20px 40px rgba(43, 75, 125, .14);
}

*,
*::before,
*::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--font-14);
  line-height: var(--lh-14);
  font-weight: var(--font-weight-regular);
  color: var(--text-primary);
  background: var(--bg-page);
}

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

button { cursor: pointer; }

:focus { outline: none; }

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.app {
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-white);
}

.topbar {
  height: var(--top-h);
  flex-shrink: 0;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-5);
  position: relative;
  z-index: var(--z-topbar);
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.brand__logo {
  height: 44px;
  width: auto;
  object-fit: contain;
  object-position: left center;
  flex-shrink: 0;
}

.role-flag {
  height: 24px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-sm);
  background: #e8f4ff;
  color: var(--color-primary);
  font-size: var(--font-12);
  line-height: 24px;
  font-weight: var(--font-weight-medium);
  flex-shrink: 0;
}

.brand__module {
  font-size: var(--font-16);
  line-height: var(--lh-16);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  white-space: nowrap;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.topbar__tools {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.tool-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  height: var(--control-h-lg);
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  white-space: nowrap;
}

.tool-btn:hover { color: var(--color-primary); }

.tool-btn__icon {
  width: 18px;
  height: 18px;
  display: inline-flex;
  color: #009bfe;
}

.tool-btn__icon svg { width: 18px; height: 18px; }

.tool-btn:hover .tool-btn__icon { color: #1677ff; }

.home-btn {
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.home-btn img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  display: block;
}

.home-btn:hover { opacity: 0.86; }

.user-menu { position: relative; }

.user-menu__btn {
  height: var(--control-h-lg);
  border: 0;
  background: transparent;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0;
  color: var(--text-secondary);
}

.user-menu__btn:hover { color: var(--text-primary); }

.user-menu__label { color: var(--text-secondary); }

.user-menu__caret {
  display: inline-flex;
  color: var(--text-muted);
}

.user-menu__caret svg { width: 14px; height: 14px; }

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0, 106, 255, 0.102);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  font-weight: var(--font-weight-medium);
}

.user-menu__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 240px;
  background: linear-gradient(180deg, #ecf8ff 0%, #ffffff 30%);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-4);
  z-index: var(--z-dropdown);
}

.user-menu__name {
  font-weight: var(--font-weight-medium);
}

.user-menu__meta {
  color: var(--text-muted);
  font-size: var(--font-12);
  line-height: var(--lh-12);
  margin-top: var(--space-1);
}

.layout {
  flex: 1;
  display: flex;
  min-height: 0;
  overflow: hidden;
  background: var(--bg-page);
}

.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-white);
  border-right: 1px solid var(--border-light);
  padding: var(--space-3);
  flex: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  overflow-x: hidden;
  overflow-y: auto;
}

.sidebar__label {
  font-size: var(--font-12);
  line-height: var(--lh-12);
  color: var(--text-muted);
  padding: var(--space-2) var(--space-3) var(--space-2);
}

.nav-item {
  width: 100%;
  height: 54px;
  border: 0;
  background: transparent;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  padding: 0 var(--space-3);
  color: var(--text-secondary);
  text-align: left;
}

.nav-item__main {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.nav-item__icon-wrap {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(76, 155, 253, 0.1);
  flex: none;
}

.nav-item--beacon .nav-item__icon-wrap { background: rgba(251, 164, 9, 0.2); }
.nav-item--node .nav-item__icon-wrap { background: rgba(40, 178, 139, 0.1); }

.nav-item:hover { background: var(--bg-base); color: var(--text-primary); }

.nav-item.is-active {
  background: linear-gradient(79deg, #1677ff 1%, #009eff 98%);
  color: var(--text-on-primary);
}

.nav-item.is-active .nav-item__icon-wrap { background: rgba(255, 255, 255, 0.16); }

.nav-item__icon {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  flex: none;
}

.nav-item__icon svg,
.nav-item__icon img { width: 24px; height: 24px; object-fit: contain; }

.nav-item.is-active .nav-item__icon img:not([data-has-active]) {
  filter: brightness(0) invert(1);
}

.main {
  flex: 1;
  min-width: 0;
  padding: var(--space-5);
  overflow: auto;
  display: flex;
  flex-direction: column;
}

.page {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.page > .panel:last-child {
  flex: 1;
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
}

.page > .panel:last-child .table-wrap { flex: 1; }

.main--portal { padding: 0; }

/* Portal: an application gateway with a primary training workspace. */

.portal {
  width: 100%;
  margin: 0;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
}

.portal__banner {
  overflow: hidden;
  background: #f4f9ff;
  flex: none;
}

.portal__grid {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  align-items: stretch;
}

.portal__banner img {
  display: block;
  width: 100%;
  height: auto;
}

.module-card {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  border: 1px solid transparent;
}

.module-card:hover { box-shadow: var(--shadow-md); }

.module-card__band {
  height: 72px;
  margin: calc(var(--space-5) * -1) calc(var(--space-5) * -1) 0;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  background: linear-gradient(90deg, #e8f3ff 0%, #f7fbff 100%);
}

.module-card--train .module-card__band {
  background: linear-gradient(90deg, #dcecff 0%, #f3f8ff 100%);
}

.module-card--monitor .module-card__band {
  background: linear-gradient(90deg, #e7f7f2 0%, #f7fbfa 100%);
}

.module-card__icon {
  width: 48px;
  height: 48px;
  margin-top: -36px;
  border-radius: var(--radius-lg);
  background: var(--bg-white);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-sm);
}

.module-card--monitor .module-card__icon { color: var(--color-success); }

.module-card__icon svg { width: 22px; height: 22px; }

.module-card h2 {
  margin: 0;
  font-size: var(--font-18);
  line-height: var(--lh-18);
  font-weight: var(--font-weight-medium);
}

.module-card p {
  margin: 0;
  color: var(--text-secondary);
}

.module-card__points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-2);
  color: var(--text-primary);
}

.module-card__points li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.module-card__points li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex: none;
}

.module-card .btn { margin-top: auto; align-self: flex-start; }

.module-card .btn:not(.btn--primary) { border-color: var(--border-base); }

.entry {
  flex: 1;
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-5);
}

.entry h1 {
  margin: 0;
  font-size: var(--font-20);
  line-height: var(--lh-20);
  font-weight: var(--font-weight-medium);
}

.entry p { margin: 0; color: var(--text-secondary); }

.panel {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-4);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-5);
  align-items: flex-end;
}

.field { display: flex; flex-direction: column; gap: var(--space-2); min-width: 0; }

.field--row {
  flex-direction: row;
  align-items: center;
  gap: var(--space-3);
}

.field__label {
  color: var(--text-secondary);
  white-space: nowrap;
}

.field__label.is-required::before {
  content: "*";
  color: var(--color-danger);
  margin-right: 4px;
}

.control, .select, .textarea {
  height: var(--control-h-lg);
  border: 1px solid var(--border-base);
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 0 var(--space-3);
  min-width: 220px;
}

.textarea {
  height: auto;
  min-height: 80px;
  padding: var(--space-2) var(--space-3);
  resize: vertical;
  width: 100%;
}

.control:hover, .select:hover, .textarea:hover { border-color: var(--color-primary); }

.control:disabled, .select:disabled, .textarea:disabled {
  background: var(--bg-grey-3);
  color: var(--text-secondary);
}

.control-wrap { position: relative; }

.control-wrap .control { width: 100%; padding-right: 64px; }

.count {
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: var(--font-12);
  font-family: var(--font-num);
}

.textarea-wrap { position: relative; }

.textarea-wrap .count {
  top: auto;
  bottom: var(--space-2);
  transform: none;
}

.field__error {
  color: var(--color-danger);
  font-size: var(--font-12);
  line-height: var(--lh-12);
}

.hint {
  color: var(--text-muted);
  font-size: var(--font-12);
  line-height: var(--lh-12);
}

.btn {
  height: var(--control-h-lg);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  padding: 0 var(--space-4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background: var(--bg-white);
  white-space: nowrap;
}

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

.btn:active { opacity: 0.86; }

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  border-color: var(--border-base);
  color: var(--text-muted);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--text-on-primary);
  border-color: var(--color-primary);
}

.btn--primary:hover { color: var(--text-on-primary); filter: brightness(1.06); }

.btn--plain {
  background: #ecf5ff;
  color: var(--color-primary);
  border-color: #b3d8ff;
}

.btn--ghost { background: transparent; }

.btn--danger-text { color: var(--color-danger); border: 0; background: transparent; height: auto; padding: 0 var(--space-1); }

.btn--link {
  border: 0;
  background: transparent;
  color: var(--color-primary);
  height: auto;
  padding: 0 var(--space-1);
}

.btn--link-danger { color: var(--color-danger); }
.btn--link-success { color: var(--color-success); }
.btn--link:disabled,
.btn--link.is-disabled {
  color: #c0c4cc;
  cursor: not-allowed;
  opacity: 1;
}

.btn--link svg { width: 14px; height: 14px; }

.btn--sm { height: var(--control-h-md); padding: 0 var(--space-3); }

.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.panel__title {
  margin: 0;
  font-size: var(--font-16);
  line-height: var(--lh-16);
  font-weight: var(--font-weight-medium);
}

.table-wrap { overflow: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 880px;
}

th, td {
  text-align: left;
  padding: 12px 8px;
  border-bottom: 1px solid var(--border-lighter);
  vertical-align: middle;
}

th {
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
  background: #fafafa;
  white-space: nowrap;
}

td { color: var(--text-primary); }

tr:hover td { background: #f7fbff; }

.link {
  color: var(--color-primary);
  background: none;
  border: 0;
  padding: 0;
  text-align: left;
  text-decoration: none;
}

.link:hover { text-decoration: underline; }

.ops {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--space-2) var(--space-3);
  white-space: nowrap;
}

.ops--stack {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  white-space: normal;
}

.ops__row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  white-space: nowrap;
}

.ops__row--primary {
  gap: var(--space-1);
  flex-wrap: wrap;
}

.node-publish-meta {
  gap: var(--space-1);
  color: var(--text-secondary);
  font-size: var(--font-12);
  line-height: var(--lh-12);
  padding-top: var(--space-1);
  border-top: 1px dashed var(--border-lighter);
}

.node-ops {
  min-width: 460px;
  gap: var(--space-1);
}

.node-ops > .ops__row {
  min-height: var(--control-h-sm);
  gap: var(--space-1);
}

.node-publish-actions {
  padding: var(--space-1) 0 0 var(--space-1);
  border-top: 1px dashed var(--border-lighter);
}

.node-publish-meta__completed {
  color: var(--color-success);
  font-weight: var(--font-weight-medium);
}

.node-publish-meta__time {
  color: var(--text-secondary);
}

.node-publish-meta__state {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-unauth);
}

.node-publish-meta__state svg {
  width: var(--font-16);
  height: var(--font-16);
}

.node-publish-meta__completed,
.node-publish-meta__time {
  padding-right: var(--space-2);
  border-right: 1px solid var(--border-light);
}

.ops-more {
  min-width: 0;
  position: relative;
}

.ops-more[open] {
  flex-basis: 100%;
  margin-top: var(--space-1);
}

.ops-more__trigger {
  min-height: var(--control-h-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0 var(--space-2);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.ops-more__trigger::-webkit-details-marker {
  display: none;
}

.ops-more__trigger:hover,
.ops-more[open] .ops-more__trigger {
  color: var(--color-primary);
  background: #ecf5ff;
}

.ops-more__trigger:focus-visible {
  box-shadow: var(--focus-ring);
}

.ops-more__trigger svg {
  width: var(--font-16);
  height: var(--font-16);
}

.ops-more__menu {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-1);
  margin-top: var(--space-1);
  padding: var(--space-2);
  border: 1px solid var(--border-lighter);
  border-radius: var(--radius-md);
  background: var(--bg-grey-3);
}

.ops-more__menu .btn--link {
  width: 100%;
  min-height: var(--control-h-md);
  justify-content: flex-start;
}

.node-table th:last-child,
.node-table td:last-child {
  position: sticky;
  right: 0;
  min-width: 360px;
  background: var(--bg-white);
  box-shadow: -8px 0 16px rgba(48, 49, 51, 0.04);
}

.node-table th:last-child {
  z-index: 2;
  background: var(--bg-grey-3);
}

.node-table tbody tr:hover td:last-child {
  background: #f4f9ff;
}

@media (max-width: 800px) {
  .node-table th:last-child,
  .node-table td:last-child {
    min-width: 320px;
  }
}

.result-crumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
}

.result {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
}

.result-side__title {
  margin: 0;
  font-size: var(--font-18);
  line-height: var(--lh-18);
  font-weight: var(--font-weight-medium);
}

.result-side__meta {
  margin: var(--space-2) 0 var(--space-4);
  color: var(--text-secondary);
}

.result-block + .result-block { margin-top: var(--space-4); }

.result-block h3 {
  margin: 0 0 var(--space-2);
  font-size: var(--font-16);
  line-height: var(--lh-16);
  font-weight: var(--font-weight-medium);
}

.result-block ul,
.result-block ol {
  margin: 0;
  padding-left: 1.2em;
  display: grid;
  gap: var(--space-2);
}

.result-block li span {
  display: block;
  color: var(--text-muted);
  font-size: var(--font-12);
  line-height: var(--lh-12);
}

.result-main { display: grid; gap: var(--space-4); min-width: 0; }

.result-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
}

.result-stat { display: grid; gap: var(--space-1); }
.result-stat strong { font-size: var(--font-20); line-height: var(--lh-20); font-weight: var(--font-weight-medium); }
.result-stat span { color: var(--text-secondary); }

.result-rates { margin-bottom: var(--space-4); color: var(--text-secondary); }
.result-rates strong { color: var(--color-primary); font-weight: var(--font-weight-medium); }

.result-chart__title {
  margin: 0 0 var(--space-3);
  font-size: var(--font-16);
  line-height: var(--lh-16);
  font-weight: var(--font-weight-medium);
}

.grade-list { display: grid; gap: var(--space-3); }

.grade-bar {
  display: grid;
  grid-template-columns: 28px 108px minmax(80px, 1fr) 64px;
  align-items: center;
  gap: var(--space-3);
}

.grade-bar__name { font-weight: var(--font-weight-medium); }
.grade-bar__range { color: var(--text-muted); white-space: nowrap; }
.grade-bar__count { color: var(--text-secondary); text-align: right; white-space: nowrap; }

.grade-bar__track {
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--bg-base);
  overflow: hidden;
}

.grade-bar__track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--color-primary);
}

.grade-bar--good .grade-bar__track span { background: var(--color-success); }
.grade-bar--mid .grade-bar__track span { background: #f5a623; }
.grade-bar--low .grade-bar__track span { background: #f08a24; }

.result-filters .select,
.result-filters .control { min-width: 140px; }

.result-table { min-width: 760px; }

.tag {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-12);
  line-height: var(--lh-12);
  margin: 2px 4px 2px 0;
}

.tag--success { color: var(--color-success); background: #e9f8f3; }
.tag--warning { color: #b8860b; background: #fff7e6; }
.tag--danger { color: var(--color-danger); background: #fef0f0; }

.muted { color: var(--text-muted); }

.num { font-family: var(--font-num); white-space: nowrap; }

.pager {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-2);
  padding-top: var(--space-4);
  flex-wrap: wrap;
  color: var(--text-secondary);
}

.pager__btn, .pager__num {
  min-width: 32px;
  height: 32px;
  border: 1px solid var(--border-base);
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 0 var(--space-2);
}

.pager__num.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--text-on-primary);
}

.pager__jump {
  width: 48px;
  height: 32px;
  border: 1px solid var(--border-base);
  border-radius: var(--radius-md);
  text-align: center;
}

.empty {
  text-align: center;
  color: var(--text-muted);
  padding: var(--space-8) var(--space-4);
}

.overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-scrim);
  z-index: var(--z-modal);
  display: grid;
  place-items: center;
  padding: var(--space-5);
}

.dialog {
  width: min(560px, 100%);
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  max-height: calc(100vh - 80px);
  display: flex;
  flex-direction: column;
}

.dialog--wide { width: min(720px, 100%); }
.dialog--mid { width: min(640px, 100%); }

.dialog__head, .dialog__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
}

.dialog__head { border-bottom: 1px solid var(--border-lighter); }

.dialog__title {
  margin: 0;
  font-size: var(--font-16);
  line-height: var(--lh-16);
  font-weight: var(--font-weight-medium);
}

.dialog__body {
  padding: var(--space-5);
  overflow: auto;
}

.dialog__foot {
  justify-content: flex-end;
  gap: var(--space-3);
}

.icon-btn {
  width: 32px;
  height: 32px;
  border: 0;
  background: transparent;
  border-radius: var(--radius-md);
  color: var(--text-muted);
}

.icon-btn:hover { background: var(--bg-base); color: var(--text-primary); }

.form-grid { display: grid; gap: var(--space-4); }

.form-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.file-card {
  width: 160px;
  min-height: 140px;
  border-radius: var(--radius-lg);
  background: var(--bg-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  padding: var(--space-3);
  text-align: center;
}

.goal-row, .content-row {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.goal-row .control { min-width: 0; width: 180px; }
.goal-row .textarea { min-height: 72px; }

.content-list { display: grid; gap: var(--space-3); }

.content-item {
  background: var(--bg-base);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.content-item__index {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--text-on-primary);
  display: grid;
  place-items: center;
  font-family: var(--font-num);
  flex: none;
}

.content-item__main { flex: 1; min-width: 0; }
.content-item__title { font-weight: var(--font-weight-medium); }
.content-item__sub { color: var(--text-muted); font-size: var(--font-12); line-height: var(--lh-12); }

.collapse { display: grid; gap: var(--space-3); }

.require-panel { margin-top: var(--space-3); }

.switch-line {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 32px;
}

.switch {
  width: 40px;
  height: 22px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-pill);
  background: #dcdfe6;
  position: relative;
  flex: none;
}

.switch__thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
}

.switch.is-on { background: var(--color-primary); }

.switch.is-on .switch__thumb { left: 20px; }

.rule-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 28px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-lighter);
}

.rule-line__label { color: var(--text-primary); margin-right: 4px; }

.rule-option {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-primary);
}

.rule-option__dot {
  width: 14px;
  height: 14px;
  border: 1px solid #c0c4cc;
  border-radius: 50%;
  background: #fff;
  box-sizing: border-box;
}

.rule-option.is-on { color: var(--color-primary); }

.rule-option.is-on .rule-option__dot {
  border-color: var(--color-primary);
  background: radial-gradient(circle, var(--color-primary) 0 4px, #fff 5px);
}

.collapse__item {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: 0 var(--space-4);
}

.collapse__head {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.collapse__title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-weight-medium);
  flex: 1;
  background: none;
  border: 0;
  text-align: left;
  padding: var(--space-4) 0;
}

.badge {
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--text-on-primary);
  font-size: var(--font-12);
  line-height: 18px;
  font-family: var(--font-num);
}

.config-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.config-head h1 {
  margin: 0;
  font-size: var(--font-18);
  line-height: var(--lh-18);
  font-weight: var(--font-weight-medium);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  align-items: center;
}

.stepper {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.stepper input {
  width: 64px;
  height: var(--control-h-lg);
  text-align: center;
  border: 1px solid var(--border-base);
  border-radius: var(--radius-md);
}

.picker {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 320px;
  border: 1px solid var(--border-lighter);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.picker__side, .picker__main { padding: var(--space-3); overflow: auto; max-height: 420px; }
.picker__side { border-right: 1px solid var(--border-lighter); background: #fafafa; }

.tree-btn {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 8px 8px;
  border-radius: var(--radius-md);
  color: var(--text-primary);
}

.tree-btn:hover, .tree-btn.is-active { background: #e8f3ff; color: var(--color-primary); }
.tree-btn--child { padding-left: 28px; }
.tree-btn--deep { padding-left: 44px; }

.tabs {
  display: flex;
  gap: var(--space-4);
  border-bottom: 1px solid var(--border-lighter);
  margin-bottom: var(--space-3);
}

.tab {
  border: 0;
  background: transparent;
  height: 40px;
  color: var(--text-secondary);
  position: relative;
}

.tab.is-active { color: var(--color-primary); font-weight: var(--font-weight-medium); }
.tab.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--color-primary);
}

.check-row { display: flex; gap: var(--space-2); align-items: flex-start; }
.check-row input { margin-top: 4px; }

.multi {
  min-height: var(--control-h-lg);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-md);
  padding: 4px 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  background: var(--bg-white);
  width: 100%;
}

.multi:hover { border-color: var(--color-primary); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-base);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  font-size: var(--font-12);
}

.dropdown {
  border: 1px solid var(--border-lighter);
  border-radius: var(--radius-md);
  margin-top: var(--space-2);
  max-height: 220px;
  overflow: auto;
  background: var(--bg-white);
  box-shadow: var(--shadow-md);
}

.dropdown button {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 8px 12px;
}

.dropdown button:hover, .dropdown button.is-active { background: #f5f9ff; }

.pop {
  position: fixed;
  z-index: var(--z-dropdown);
  width: 240px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-4);
}

.pop__actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-3); }

.toast {
  position: fixed;
  top: 76px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text-primary);
  color: var(--text-on-primary);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  z-index: var(--z-toast);
}

.qr-box { display: grid; justify-items: center; gap: var(--space-4); }
.qr-box canvas { width: 220px; height: 220px; }
.qr-box strong { font-size: var(--font-16); font-weight: var(--font-weight-medium); }

.gear {
  border: 0;
  background: transparent;
  color: var(--text-muted);
  width: 24px;
  height: 24px;
  vertical-align: middle;
}

.gear:hover { color: var(--color-primary); }

.stu-board {
  flex: 1;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: var(--space-4);
  align-items: stretch;
  min-height: calc(100vh - var(--top-h) - var(--space-5) * 2);
}

.stu-rail {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
}

.stu-rail__label {
  font-size: var(--font-12);
  line-height: var(--lh-12);
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.stu-search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  height: var(--control-h-lg);
  border: 1px solid var(--border-base);
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 0 var(--space-3);
  min-width: 0;
}

.stu-search:hover { border-color: var(--color-primary); }

.stu-search:focus-within { border-color: var(--color-primary); box-shadow: var(--focus-ring); }

.stu-search__icon {
  color: var(--text-muted);
  display: grid;
  place-items: center;
  flex: none;
}

.stu-search__input {
  border: 0;
  background: transparent;
  height: 100%;
  width: 100%;
  min-width: 0;
  padding: 0;
}

.stu-search__input:focus { box-shadow: none; }

.stu-search--wide { width: min(320px, 100%); }

.stu-rail__list {
  overflow: auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-top: var(--space-3);
}

.stu-project {
  width: 100%;
  min-height: 40px;
  border: 0;
  background: transparent;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  text-align: left;
  color: var(--text-primary);
}

.stu-project:hover { background: var(--bg-base); }

.stu-project.is-active {
  background: #e8f3ff;
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.stu-project__name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stu-project__count {
  color: var(--text-muted);
  flex: none;
  font-size: var(--font-12);
  line-height: var(--lh-12);
}

.stu-project.is-active .stu-project__count { color: var(--color-primary); }

.stu-rail__empty {
  color: var(--text-muted);
  font-size: var(--font-12);
  line-height: var(--lh-12);
  padding: var(--space-4) var(--space-2);
  text-align: center;
}

.stu-overview {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.stu-overview__title {
  margin: 0;
  font-size: var(--font-18);
  line-height: var(--lh-18);
  font-weight: var(--font-weight-medium);
}

.stu-overview__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin: var(--space-2) 0 0;
  color: var(--text-secondary);
}

.stu-overview__stats b {
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
}

.stu-overview__hint {
  margin: var(--space-2) 0 0;
  color: var(--text-muted);
  font-size: var(--font-12);
  line-height: var(--lh-12);
}

.stu-drawing {
  width: 160px;
  min-height: 96px;
  flex: none;
  border: 0;
  border-radius: var(--radius-lg);
  background: var(--bg-base);
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-3);
}

.stu-drawing:hover { color: var(--color-primary); }

.stu-drawing__name {
  font-size: var(--font-12);
  line-height: var(--lh-12);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stu-drawing__action {
  color: var(--color-primary);
  font-size: var(--font-12);
  line-height: var(--lh-12);
}

.stu-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin: var(--space-4) 0;
}

.stu-tabs {
  display: flex;
  gap: var(--space-1);
  background: var(--bg-white);
  border-radius: var(--radius-pill);
  padding: var(--space-1);
}

.stu-tab {
  height: var(--control-h-md);
  border: 0;
  background: transparent;
  border-radius: var(--radius-pill);
  padding: 0 var(--space-4);
  color: var(--text-secondary);
}

.stu-tab:hover { color: var(--color-primary); }

.stu-tab.is-active {
  background: #e8f3ff;
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.stu-cards { display: grid; gap: var(--space-3); }

.stu-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
  transition: box-shadow var(--duration) var(--ease);
}

.stu-card:hover { box-shadow: var(--shadow-md); }

.stu-card__icon {
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: var(--radius-md);
  background: #e8f3ff;
  color: var(--color-primary);
  display: grid;
  place-items: center;
}

.stu-card__main { flex: 1; min-width: 0; }

.stu-card__title {
  margin: 0;
  font-size: var(--font-16);
  line-height: var(--lh-16);
  font-weight: var(--font-weight-medium);
}

.stu-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  margin: var(--space-2) 0 0;
  color: var(--text-secondary);
}

.stu-card__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-4);
  flex: none;
}

.stu-score {
  color: var(--color-danger);
  font-size: var(--font-16);
  line-height: var(--lh-16);
  font-weight: var(--font-weight-medium);
}

.stu-state {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  white-space: nowrap;
}

.stu-state i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.stu-state--todo { color: var(--color-warning); }
.stu-state--done { color: var(--color-success); }

.stu-score-dialog { text-align: center; }

.stu-score-dialog__value {
  color: var(--color-danger);
  font-size: var(--font-20);
  line-height: var(--lh-20);
  font-weight: var(--font-weight-medium);
}

.stu-score-dialog__label {
  margin: var(--space-1) 0 0;
  color: var(--text-secondary);
}

.stu-score-dialog__name {
  margin: var(--space-4) 0 var(--space-2);
  font-size: var(--font-16);
  line-height: var(--lh-16);
  font-weight: var(--font-weight-medium);
}

.stu-stage .pager { padding-top: var(--space-4); }

.study-page { display: flex; flex-direction: column; gap: var(--space-3); min-height: 100%; }

.grade-card {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-5) var(--space-5);
  text-align: center;
}

.grade-card__score {
  margin: 0;
  font-size: var(--font-16);
  line-height: var(--lh-16);
  font-weight: var(--font-weight-medium);
}

.grade-card__score strong {
  margin-left: var(--space-1);
  color: var(--color-danger);
  font-size: var(--font-20);
  line-height: var(--lh-20);
  font-weight: var(--font-weight-medium);
}

.grade-card__comment {
  margin: var(--space-3) 0 0;
  text-align: left;
  color: var(--text-secondary);
}

.grade-card__comment span {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.study-back { align-self: flex-start; }

.study {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  min-height: calc(100vh - var(--top-h) - 120px);
  display: flex;
  flex-direction: column;
}

.study-tabs {
  display: flex;
  align-items: flex-end;
  gap: var(--space-6);
  padding: 0 var(--space-5);
  border-bottom: 1px solid var(--border-lighter);
  min-height: 56px;
}

.study-tab {
  position: relative;
  height: 48px;
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  padding: 0 var(--space-1);
}

.study-tab:hover { color: var(--color-primary); }

.study-tab.is-active {
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
}

.study-tab.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 28px;
  height: 4px;
  transform: translateX(-50%);
  border-radius: var(--radius-pill);
  background: var(--color-primary);
}

.study-tabs__score {
  margin-left: auto;
  margin-bottom: var(--space-3);
  color: var(--text-muted);
  font-size: var(--font-12);
  line-height: var(--lh-12);
}

.study-pane { padding: var(--space-5) var(--space-6) var(--space-6); }

.study-title {
  margin: 0 0 var(--space-5);
  font-size: var(--font-18);
  line-height: var(--lh-18);
  font-weight: var(--font-weight-medium);
}

.study-goal + .study-goal { margin-top: var(--space-4); }

.study-goal h3 {
  margin: 0;
  font-size: var(--font-16);
  line-height: var(--lh-16);
  font-weight: var(--font-weight-medium);
}

.study-goal p { margin: var(--space-2) 0 0; color: var(--text-secondary); }

.study-group + .study-group { margin-top: var(--space-5); }

.study-group__label {
  margin: 0 0 var(--space-3);
  font-size: var(--font-16);
  line-height: var(--lh-16);
  font-weight: var(--font-weight-medium);
}

.study-rows { display: grid; gap: var(--space-3); }

.study-row {
  width: 100%;
  border: 0;
  background: var(--bg-grey-3);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  text-align: left;
}

.study-row:hover { background: #f7fbff; }

.study-badge {
  width: 72px;
  height: 56px;
  flex: none;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  font-size: var(--font-14);
  line-height: var(--lh-14);
  font-weight: var(--font-weight-medium);
}

.study-badge--video { background: #e8f3ff; color: var(--color-primary); }
.study-badge--draw, .study-badge--pdf, .study-badge--task { background: #e9f8f3; color: var(--color-success); }
.study-badge--model { background: #f0f0ff; color: var(--color-sim); }
.study-badge--exam { background: #fff7e6; color: #b8860b; }

.study-row__main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: var(--space-1); }

.study-row__title {
  font-size: var(--font-16);
  line-height: var(--lh-16);
  font-weight: var(--font-weight-medium);
}

.study-row__progress { color: var(--text-muted); font-size: var(--font-14); line-height: var(--lh-14); }
.study-row__progress.is-on { color: var(--color-success); }

.study-row__sub {
  color: var(--text-secondary);
  font-size: var(--font-12);
  line-height: var(--lh-12);
}

.study-row__more {
  width: 8px;
  height: 8px;
  flex: none;
  border-right: 2px solid var(--text-muted);
  border-top: 2px solid var(--text-muted);
  transform: rotate(45deg);
}

.study-section { margin-bottom: var(--space-6); }

.study-section__title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-3);
  font-size: var(--font-16);
  line-height: var(--lh-16);
  font-weight: var(--font-weight-medium);
}

.study-section__title::before {
  content: "";
  width: 4px;
  height: 16px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
}

.study-text {
  width: 100%;
  min-height: 160px;
  border: 1px solid var(--border-light);
  background: var(--bg-base);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  resize: vertical;
  line-height: var(--lh-16);
}

.study-text:hover, .study-text:focus { border-color: var(--color-primary); background: var(--bg-white); }

.study-upload {
  display: inline-flex;
  align-items: center;
  height: var(--control-h-md);
  padding: 0 var(--space-4);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  background: var(--bg-white);
  cursor: pointer;
}

.study-upload:hover { border-color: var(--color-primary); color: var(--color-primary); }

.study-slots {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.study-slot {
  height: 140px;
  border: 1px dashed var(--border-base);
  border-radius: var(--radius-md);
  background: #f8fafd;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  position: relative;
  overflow: hidden;
}

.study-slot--filled { border-style: solid; padding: 0; }

.study-slot img { width: 100%; height: 100%; object-fit: cover; }

.study-slot__remove {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 24px;
  height: 24px;
  border: 0;
  border-radius: 50%;
  background: rgba(48, 49, 51, 0.6);
  color: var(--text-on-primary);
}

.study-hint { margin-top: var(--space-2); }

.study-foot {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-lighter);
}

.study-report__title {
  margin: 0 0 var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-lighter);
  text-align: center;
  font-size: var(--font-20);
  line-height: var(--lh-20);
  font-weight: var(--font-weight-medium);
}

.study-report__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.study-report__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: var(--font-14);
  line-height: var(--lh-14);
}

.study-report__field .control { width: 100%; min-width: 0; }

.study-report__text {
  white-space: pre-wrap;
  background: var(--bg-base);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  min-height: 72px;
  line-height: var(--lh-16);
}

.study-report__images {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.study-report__images img {
  width: 100%;
  height: 96px;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--bg-base);
}

@media (max-width: 1440px) {
  .portal__grid { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 1100px) {
  .stu-board { grid-template-columns: 1fr; min-height: 0; }
  .stu-rail { min-height: 0; max-height: 280px; }
  .form-split, .picker, .result { grid-template-columns: 1fr; }
  .picker__side { border-right: 0; border-bottom: 1px solid var(--border-lighter); max-height: 180px; }
  .sidebar { width: 72px; padding-inline: 8px; }
  .nav-item__label, .sidebar__label, .tool-btn span { display: none; }
  .nav-item { width: 54px; justify-content: center; padding: 0; }
  .topbar__tools { gap: var(--space-3); }
}

/* ========================================================================== 
   Visual refinement · digital training design system
   Style-only alignment: hierarchy, density, icon rhythm and responsive shell.
   ========================================================================== */

html {
  color-scheme: light;
  scrollbar-color: #c7ccd4 transparent;
  scrollbar-width: thin;
}

body {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
select,
textarea,
.panel,
.module-card,
.stu-card,
.nav-item {
  transition:
    color var(--duration) var(--ease),
    background-color var(--duration) var(--ease),
    border-color var(--duration) var(--ease),
    box-shadow var(--duration) var(--ease),
    transform var(--duration) var(--ease);
}

.topbar {
  box-shadow: 0 1px 0 rgba(48, 49, 51, 0.03);
}

.brand__logo {
  max-width: 168px;
}

.home-btn,
.tool-btn,
.user-menu__btn {
  border-radius: var(--radius-md);
}

.home-btn:hover,
.tool-btn:hover,
.user-menu__btn:hover {
  background: var(--bg-grey-3);
}

.home-btn:active,
.tool-btn:active,
.user-menu__btn:active,
.icon-btn:active,
.btn:active {
  transform: translateY(1px);
}

.sidebar {
  box-shadow: 1px 0 0 rgba(48, 49, 51, 0.02);
}

.nav-item {
  font-weight: var(--font-weight-medium);
}

.nav-item:hover {
  color: var(--color-primary);
}

.nav-item.is-active {
  box-shadow: 0 4px 12px rgba(22, 119, 255, 0.18);
}

.main {
  scrollbar-gutter: stable;
}

.panel,
.module-card,
.stu-overview,
.stu-card,
.entry,
.grade-card,
.study {
  border: 1px solid var(--border-lighter);
  box-shadow: var(--shadow-sm);
}

.filters {
  min-height: var(--control-h-lg);
}

.control,
.select,
.textarea,
.stu-search {
  box-shadow: 0 1px 1px rgba(48, 49, 51, 0.02);
}

.control:focus,
.select:focus,
.textarea:focus,
.stu-search:focus-within {
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
}

.btn {
  font-weight: var(--font-weight-medium);
}

.btn--primary {
  box-shadow: 0 2px 6px rgba(22, 119, 255, 0.2);
}

.btn--primary:hover {
  box-shadow: 0 4px 12px rgba(22, 119, 255, 0.24);
}

.panel__head {
  min-height: var(--control-h-lg);
  margin-bottom: var(--space-3);
}

.panel__title {
  font-size: var(--font-18);
  line-height: var(--lh-18);
}

.table-wrap {
  border: 1px solid var(--border-lighter);
  border-radius: var(--radius-lg);
  background: var(--bg-white);
}

.page > .panel:last-child .table-wrap {
  flex: 0 0 auto;
}

table {
  min-width: 820px;
}

th,
td {
  height: 52px;
  padding: var(--space-3);
}

th {
  background: var(--bg-grey-3);
  color: var(--text-secondary);
}

thead th:first-child {
  border-top-left-radius: var(--radius-lg);
}

thead th:last-child {
  border-top-right-radius: var(--radius-lg);
}

tbody tr:last-child td {
  border-bottom: 0;
}

tr:hover td {
  background: #f4f9ff;
}

.link {
  font-weight: var(--font-weight-medium);
}

.link:hover {
  text-decoration: none;
  color: #005bd6;
}

.ops {
  gap: var(--space-1);
}

.ops .btn--link {
  min-height: var(--control-h-sm);
  padding: 0 var(--space-2);
  border-radius: var(--radius-sm);
  gap: var(--space-1);
}

.ops .btn--link:hover {
  background: #ecf5ff;
  text-decoration: none;
}

.ops .btn--link-danger:hover {
  color: var(--color-danger);
  background: #fff1f0;
}

.ops .btn--link-success:hover {
  color: var(--color-success);
  background: #edf9f5;
}

.ops .btn--link svg,
.icon-btn svg,
.tool-btn__icon svg {
  width: var(--font-16);
  height: var(--font-16);
}

.tag {
  font-weight: var(--font-weight-medium);
}

.pager {
  margin-top: auto;
  padding-top: var(--space-4);
}

.pager__btn,
.pager__num,
.pager__jump {
  border-radius: var(--radius-md);
}

.module-card {
  overflow: hidden;
}

.module-card:hover,
.stu-card:hover {
  border-color: #d7e8ff;
  transform: translateY(-2px);
}

@media (max-width: 1100px) {
  .layout {
    display: flex;
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    min-height: 64px;
    flex-direction: row;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    overflow-x: auto;
    overflow-y: hidden;
    border-right: 0;
    border-bottom: 1px solid var(--border-light);
    box-shadow: none;
    scrollbar-width: none;
  }

  .sidebar::-webkit-scrollbar {
    display: none;
  }

  .sidebar__label {
    display: none;
  }

  .nav-item {
    width: auto;
    min-width: 132px;
    height: 48px;
    flex: none;
    justify-content: flex-start;
    padding: 0 var(--space-3);
  }

  .nav-item__label {
    display: inline;
  }

  .main {
    padding: var(--space-4);
  }

  .panel {
    padding: var(--space-4);
  }

  table {
    min-width: 780px;
  }
}

@media (max-width: 800px) {
  .topbar {
    padding-inline: var(--space-3);
  }

  .brand {
    gap: var(--space-2);
  }

  .brand__logo {
    max-width: 132px;
  }

  .topbar__actions,
  .topbar__tools {
    gap: var(--space-2);
  }

  .sidebar {
    min-height: 60px;
    padding-inline: var(--space-3);
  }

  .nav-item {
    min-width: 116px;
    height: 44px;
  }

  .nav-item__icon-wrap {
    width: 28px;
    height: 28px;
  }

  .nav-item__icon,
  .nav-item__icon svg,
  .nav-item__icon img {
    width: 20px;
    height: 20px;
  }

  .panel__head {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .panel__head .btn--primary {
    margin-left: auto;
  }

  .field--row {
    align-items: stretch;
  }

  table {
    min-width: 760px;
  }
}

@media (max-width: 800px) {
  .layout { display: block; }
  .sidebar {
    width: 100%;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    border-right: 0;
    border-bottom: 1px solid var(--border-lighter);
  }
  .nav-item { width: auto; height: 44px; }
  .nav-item__label, .tool-btn span { display: inline; }
  .sidebar__label { display: none; }
  .main { padding: var(--space-3); }
  .main--portal { padding: 0 0 var(--space-3); }
  .portal__grid { width: calc(100% - 24px); }
  .portal__grid { grid-template-columns: 1fr; }
  .stu-toolbar { flex-direction: column; align-items: stretch; }
  .stu-search--wide { width: 100%; }
  .stu-tabs { overflow: auto; }
  .stu-overview { flex-direction: column; align-items: flex-start; }
  .stu-card { flex-wrap: wrap; }
  .stu-card__actions { width: 100%; justify-content: flex-end; }
  .study-pane { padding: var(--space-4); }
  .study-tabs { gap: var(--space-4); overflow: auto; }
  .study-slots, .study-report__images, .study-report__meta { grid-template-columns: 1fr 1fr; }
  .brand__logo { height: 36px; }
  .brand__module { font-size: var(--font-14); }
  .control, .select { min-width: 0; width: 100%; }
  .filters .field { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

.view-crumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  color: var(--text-secondary);
  font-size: var(--font-14);
}

.view-sheet {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: 20px 24px 16px;
}

.view-side__title {
  margin: 0 0 14px;
  font-size: var(--font-16);
  line-height: 24px;
  font-weight: var(--font-weight-medium);
}

.view-side__card {
  background: #f5f7fa;
  border-radius: var(--radius-lg);
  padding: 16px 16px 20px;
  min-height: 420px;
}

.view-content__head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
}

.view-content__mark {
  width: 16px;
  height: 16px;
  border-radius: 3px;
  background:
    linear-gradient(#fff, #fff) 4px 4px / 8px 1.5px no-repeat,
    linear-gradient(#fff, #fff) 4px 7.5px / 8px 1.5px no-repeat,
    linear-gradient(#fff, #fff) 4px 11px / 5px 1.5px no-repeat,
    var(--color-primary);
}

.view-quiz__select {
  position: relative;
  min-height: 36px;
  padding: 8px 28px 8px 12px;
  border-radius: var(--radius-md);
  background: #fff;
  color: #606266;
  line-height: 20px;
}

.view-quiz__select::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 15px;
  border: 4px solid transparent;
  border-top-color: #c0c4cc;
}

.view-quiz__options { display: grid; gap: 14px; margin: 18px 4px 16px; }

.view-option {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--text-primary);
  line-height: 22px;
}

.view-option__dot {
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 4px;
  border: 1px solid #c0c4cc;
  border-radius: 50%;
  background: #fff;
}

.view-option.is-right { color: var(--color-primary); }

.view-option.is-right .view-option__dot {
  border-color: var(--color-primary);
  background: radial-gradient(circle, var(--color-primary) 0 4px, #fff 5px);
}

.view-quiz__answer { margin: 0 0 8px; color: var(--text-primary); }
.view-quiz__analysis { margin: 0; color: var(--text-secondary); line-height: 22px; }
.view-quiz__analysis em { font-style: normal; color: var(--text-primary); }
.view-empty { margin: 24px 0; color: var(--text-muted); }

.view-content__list {
  margin: 16px 0 0;
  padding-left: 1.2em;
  display: grid;
  gap: 10px;
}

.view-content__list span {
  display: block;
  color: var(--text-muted);
  font-size: var(--font-12);
}

.view-board { min-width: 0; }

.view-board__top {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
}

.view-class {
  position: relative;
  display: flex;
  align-items: center;
  width: 220px;
  height: 32px;
  padding: 0 28px 0 10px;
  border: 1px solid #dcdfe6;
  border-radius: 4px;
  background: #fff;
  color: #606266;
}

.view-class span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.view-class::after {
  content: "";
  position: absolute;
  right: 10px;
  top: 13px;
  border: 4px solid transparent;
  border-top-color: #c0c4cc;
}

.view-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
}

.view-metrics strong {
  display: block;
  font-size: var(--font-20);
  line-height: 34px;
  font-weight: 500;
  color: #303133;
}

.view-metrics span { color: #909399; font-size: var(--font-12); }

.view-rates {
  margin: 8px 0 18px;
  color: #909399;
  font-size: 14px;
}

.view-rates b {
  margin: 0 28px 0 4px;
  color: #f0a020;
  font-weight: 500;
}

.view-analysis {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: center;
  margin-bottom: 8px;
}

.view-analysis__title {
  margin: 0 0 14px;
  font-size: var(--font-16);
  font-weight: var(--font-weight-medium);
}

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

.grade-row {
  display: grid;
  grid-template-columns: 118px minmax(80px, 1fr) 64px;
  align-items: center;
  gap: 12px;
  min-height: 22px;
}

.grade-row__label { color: #606266; font-size: var(--font-12); white-space: nowrap; }
.grade-row__count { color: #909399; font-size: var(--font-12); text-align: right; white-space: nowrap; }

.grade-row__track {
  height: 6px;
  border-radius: var(--radius-pill);
  background: #f0f2f5;
  overflow: hidden;
}

.grade-row__track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--color-primary);
}

.grade-row--good .grade-row__track span { background: #2fbe8c; }
.grade-row--mid .grade-row__track span { background: #f5b942; }
.grade-row--low .grade-row__track span { background: #f08a24; }

.view-insight {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 4px 10px;
  align-items: center;
  min-height: 176px;
  padding: 16px 14px 12px;
  border-radius: 12px;
  background: linear-gradient(160deg, #e8f3ff 0%, #f7fbff 55%, #fff 100%);
}

.view-insight__art { position: relative; height: 108px; }

.view-insight__screen {
  position: absolute;
  left: 22px;
  top: 28px;
  width: 64px;
  height: 48px;
  border-radius: 8px;
  background: linear-gradient(180deg, #8ec0ff, #1677ff);
  box-shadow: 0 10px 18px rgba(22, 119, 255, 0.2);
}

.view-insight__screen--back {
  left: 6px;
  top: 12px;
  width: 50px;
  height: 38px;
  background: linear-gradient(180deg, #d7e8ff, #9cc6ff);
  box-shadow: none;
}

.view-insight__badge {
  position: absolute;
  right: 6px;
  bottom: 10px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #1677ff;
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 6px 14px rgba(22, 119, 255, 0.28);
}

.view-insight__copy h3 {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 22px;
  font-weight: var(--font-weight-medium);
}

.view-insight__copy ul {
  margin: 0 0 10px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 4px;
  color: #606266;
  font-size: 12px;
  line-height: 18px;
}

.view-insight__copy li::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  margin-right: 6px;
  border-radius: 50%;
  background: #1677ff;
  vertical-align: 1px;
}

.view-insight__btn {
  height: 28px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
}

.view-insight__note {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  color: #909399;
  font-size: 12px;
  line-height: 18px;
}

.view-chip-line {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 32px;
  color: #606266;
}

.view-chip {
  padding: 0;
  border: 0;
  background: transparent;
  color: #909399;
}

.view-chip.is-on { color: var(--color-primary); }

.view-search {
  position: relative;
  display: block;
  width: 220px;
  margin: 8px 0 12px;
}

.view-search .control { width: 100%; padding-right: 32px; }

.view-search svg {
  position: absolute;
  right: 10px;
  top: 8px;
  width: 16px;
  height: 16px;
  color: #c0c4cc;
  pointer-events: none;
}

.view-exports { display: flex; gap: 12px; margin-bottom: 14px; }

.view-export {
  height: 32px;
  padding: 0 14px;
  border: 1px solid #dcdfe6;
  border-radius: 4px;
  color: #606266;
  background: #fff;
}

.view-export:hover { border-color: var(--color-primary); color: var(--color-primary); }

.view-export:disabled,
.view-export:disabled:hover {
  border-color: #e4e7ed;
  color: #c0c4cc;
  background: #f5f7fa;
  opacity: 1;
  cursor: not-allowed;
}

.view-table { min-width: 720px; }

.th-sort {
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 4px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid #c0c4cc;
  vertical-align: 2px;
}

@media (max-width: 1100px) {
  .view-sheet,
  .view-analysis,
  .view-board__top { grid-template-columns: 1fr; }
}

.mark-page {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: calc(100vh - 108px);
}



.mark-bar,
.mark-stage,
.mark-side {
  background: #fff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
}

.mark-bar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 24px;
  border-color: #e5eaf1;
  border-radius: 12px;
  box-shadow: 0 4px 18px rgba(31, 42, 68, 0.04);
}

.mark-bar__intro,
.mark-bar__right {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.mark-bar__intro { align-items: flex-start; flex: 1; }
.mark-bar__copy { min-width: 0; }
.mark-bar__copy h1 { margin: 5px 0 10px; font-size: var(--font-20); line-height: 28px; font-weight: 600; }

.mark-breadcrumb { display: flex; align-items: center; gap: 7px; color: var(--text-muted); font-size: var(--font-12); }
.mark-breadcrumb i { color: #c9cfd8; font-style: normal; }
.mark-breadcrumb strong { color: var(--color-primary); font-weight: 500; }

.mark-student { display: flex; align-items: center; gap: 8px; color: var(--text-secondary); }
.mark-student strong { color: var(--text-primary); font-size: var(--font-14); font-weight: 500; }
.mark-student__avatar { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: #e8f3ff; color: var(--color-primary); font-size: var(--font-12); font-weight: 600; }
.mark-student em { padding: 3px 8px; border-radius: 4px; background: #e9f8f3; color: #13a675; font-size: var(--font-12); font-style: normal; }

.mark-back,
.mark-btn {
  height: 32px;
  border: 1px solid #dcdfe6;
  border-radius: 4px;
  background: #fff;
  color: #606266;
}

.mark-back {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 0 10px;
  margin-top: 2px;
}

.mark-btn { padding: 0 12px; }
.mark-btn:disabled { opacity: 0.45; }

.mark-arrow { display: inline-flex; }
.mark-arrow svg { width: 14px; height: 14px; }
.mark-arrow--left svg { transform: rotate(90deg); }
.mark-arrow--right svg { transform: rotate(-90deg); }

.mark-main {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 18px;
  align-items: start;
}

.mark-stage {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 650px;
  overflow: hidden;
  border-radius: 12px;
}

.mark-tabs {
  display: flex;
  gap: 36px;
  padding: 0 24px;
  border-bottom: 1px solid #e8eaed;
}

.mark-tab {
  position: relative;
  height: 52px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #606266;
  font-size: var(--font-16);
}

.mark-tab.is-on { color: var(--color-primary); font-weight: 500; }

.mark-tab.is-on::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 28px;
  height: 2px;
  border-radius: 2px 2px 0 0;
  background: var(--color-primary);
  transform: translateX(-50%);
}

.mark-stage__body {
  flex: 1;
  overflow: auto;
  padding: 28px;
  background: #f4f7fb;
}

.mark-paper {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 40px 40px;
  background: #fff;
  border: 1px solid #edf0f5;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(31, 42, 68, 0.06);
}

.mark-paper__head { margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid #eceff3; text-align: center; }
.mark-paper__eyebrow { display: block; margin-bottom: 6px; color: var(--color-primary); font-size: var(--font-12); letter-spacing: 2px; }

.mark-paper__title {
  margin: 0;
  text-align: center;
  font-size: var(--font-20);
  line-height: 30px;
  font-weight: 600;
}

.mark-question__head { display: grid; grid-template-columns: 36px minmax(0, 1fr); gap: 12px; align-items: start; }
.mark-question__index { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 9px; background: #eaf4ff; color: var(--color-primary); font-size: var(--font-12); font-weight: 600; }

.mark-question__stem {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 5px 0 20px;
  font-size: var(--font-16);
  line-height: 24px;
}

.mark-question__stem em {
  flex: none;
  font-style: normal;
  color: var(--color-primary);
  padding: 1px 7px;
  border-radius: 4px;
  background: #eaf4ff;
  font-size: var(--font-12);
}

.mark-choices { display: grid; gap: 10px; margin: 0 0 20px 48px; }

.mark-choice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  line-height: 22px;
}

.mark-choice.is-picked { border-color: #9ecbff; background: #f0f7ff; }

.mark-choice__dot {
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 4px;
  border: 1px solid #c0c4cc;
  border-radius: 50%;
  background: #fff;
}

.mark-choice.is-picked { color: var(--color-primary); }

.mark-choice.is-picked .mark-choice__dot {
  border-color: var(--color-primary);
  background: radial-gradient(circle, var(--color-primary) 0 4px, #fff 5px);
}

.mark-question__pick { margin: 0 0 0 48px; padding-top: 16px; border-top: 1px dashed #e1e6ed; color: var(--text-secondary); }
.mark-empty { margin: 24px 0; color: var(--text-muted); text-align: center; }

.mark-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.mark-fields label { display: grid; gap: 6px; color: #5f6368; font-size: 14px; }
.mark-fields .control { width: 100%; }

.mark-section {
  margin: 22px 0 12px;
  padding-left: 10px;
  border-left: 3px solid var(--color-primary);
  color: var(--color-primary);
  font-size: 16px;
  line-height: 22px;
  font-weight: 600;
}

.mark-result {
  margin: 0;
  color: #303133;
  line-height: 24px;
}

.mark-photos {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.mark-photo {
  height: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px dashed #d0d5dd;
  border-radius: 8px;
  background: #f8fafd;
  color: #9aa0a6;
  font-size: var(--font-12);
}

.mark-photo__icon { color: #c4c7cc; }
.mark-photo__icon svg { width: 36px; height: 36px; }

.mark-side {
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  gap: 20px;
  padding: 0 20px 20px;
  overflow: hidden auto;
  border-radius: 12px;
  box-shadow: 0 4px 18px rgba(31, 42, 68, 0.04);
}

.mark-side__head { display: flex; align-items: center; justify-content: space-between; margin: 0 -20px; padding: 16px 20px; border-bottom: 1px solid #e8eaed; background: linear-gradient(180deg, #fff, #fbfdff); }
.mark-side__head div { display: grid; gap: 2px; }
.mark-side__head span { color: var(--color-primary); font-size: var(--font-12); }
.mark-side__head strong { font-size: var(--font-16); font-weight: 600; }
.mark-side__head em { padding: 4px 9px; border-radius: 12px; background: #f1f4f8; color: var(--text-secondary); font-size: var(--font-12); font-style: normal; }

.mark-field { display: grid; gap: 8px; }

.mark-field__label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

.mark-field__label i {
  width: 3px;
  height: 14px;
  border-radius: 2px;
  background: var(--color-primary);
}

.mark-field .control,
.mark-field .textarea { width: 100%; }

.mark-field .textarea { min-height: 120px; resize: none; }

.mark-field__sub { color: #5f6368; font-size: var(--font-12); }

.mark-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.mark-tag {
  padding: 6px 12px;
  border: 1px solid var(--color-primary);
  border-radius: 14px;
  background: #fff;
  color: var(--color-primary);
  font-size: 12px;
  line-height: 18px;
}

.mark-upload {
  width: 100%;
  height: 32px;
  border: 1px solid #dcdfe6;
  color: #606266;
}

.mark-files {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.mark-files li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 4px;
  background: #f5f7fa;
  color: #5f6368;
  font-size: 12px;
}

.mark-files li span {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mark-files button {
  border: 0;
  background: transparent;
  color: #9aa0a6;
}

.mark-save { width: 100%; height: 40px; font-weight: 600; }
.mark-bar { align-items: center; padding: 16px; border: 0; border-radius: 0; box-shadow: none; }
.mark-bar__intro { align-items: center; gap: 40px; }
.mark-bar__number { font-size: var(--font-16); color: var(--text-primary); }
.mark-bar__right { gap: 8px; }
.mark-back { margin: 0; border: 0; padding: 0 12px; background: transparent; }
.mark-back:hover { color: var(--color-primary); }
.mark-back:focus-visible { outline: 2px solid var(--color-primary); }
.mark-btn { min-width: 90px; }
.mark-btn[data-act="review-step"] { color: var(--color-primary); border-color: #a4caff; background: #eef5ff; }
.mark-btn[data-act="review-step"]:disabled { color: var(--text-muted); border-color: var(--border-light); background: var(--bg-white); }
.mark-resource-list { display: grid; gap: 16px; }
.mark-resource { padding: 24px; border-radius: 12px; background: var(--bg-white); }
.mark-resource h3 { margin: 0 0 16px; font-size: var(--font-16); font-weight: 500; }
.mark-resource__row { display: flex; align-items: center; gap: 16px; padding: 12px 0; width: 100%; text-align: left; color: var(--text-primary); }
.mark-resource__row strong, .mark-content-list strong { font-size: var(--font-14); font-weight: 500; }
.mark-resource__row p, .mark-content-list p { margin: 4px 0 0; color: var(--text-secondary); line-height: 24px; overflow-wrap: anywhere; }
.mark-resource__icon { display: grid; place-items: center; flex: none; width: 64px; height: 48px; border-radius: 8px; background: #eaf4ff; color: var(--color-primary); }
.mark-resource__icon svg { width: 24px; height: 24px; }
.mark-resource__exam { border: 0; background: transparent; cursor: pointer; }
.mark-resource__exam:hover { color: var(--color-primary); }
.mark-resource__exam:focus-visible { outline: 2px solid var(--color-primary); }
.mark-resource__arrow { margin-left: auto; font-size: var(--font-20); color: var(--text-muted); }
.mark-resource-back { margin-bottom: 16px; border: 0; background: transparent; color: var(--color-primary); cursor: pointer; }
.mark-content-list { padding-left: 24px; line-height: 28px; }
.mark-content-list li + li { margin-top: 16px; }

/* 批阅内容：沿用 APP 的轻量导航与阅读卡片，不影响表头和评分侧栏。 */
.mark-tabs { align-items: flex-end; gap: 32px; padding: 0 24px; min-height: 56px; background: var(--bg-white); overflow-x: auto; }
.mark-tab { flex: none; height: 48px; padding: 0 4px; font-size: var(--font-14); white-space: nowrap; }
.mark-tab.is-on { color: var(--text-primary); }
.mark-tab.is-on::after { width: 28px; height: 4px; border-radius: var(--radius-pill); }
.mark-tab:hover { color: var(--color-primary); background: transparent; }
.mark-tab:focus-visible { outline: 2px solid var(--color-primary); outline-offset: -4px; }
.mark-stage__body { padding: 24px 32px 32px; background: var(--bg-white); }
.mark-paper { max-width: none; padding: 0; border: 0; border-radius: 0; box-shadow: none; }
.mark-paper__head { margin-bottom: 24px; padding-bottom: 20px; }
.mark-paper__title { font-size: var(--font-18); line-height: 26px; font-weight: 500; }
.mark-question__head { grid-template-columns: 24px minmax(0, 1fr); gap: 8px; }
.mark-question__index { width: 24px; height: auto; padding-top: 2px; background: none; border-radius: 0; color: var(--text-primary); font-size: var(--font-16); font-weight: 400; }
.mark-question__stem { display: block; margin: 0 0 16px; line-height: 28px; }
.mark-question__stem em { margin-right: 8px; padding: 0; background: none; font-size: var(--font-14); }
.mark-choices { gap: 8px; margin: 0 0 24px 32px; }
.mark-choice { padding: 12px; font-size: var(--font-14); line-height: 24px; }
.mark-choice.is-picked { border-color: transparent; background: #eef6ff; }
.mark-question__pick { margin-left: 32px; padding-top: 16px; border-top: 1px solid var(--border-lighter); font-size: var(--font-14); }
.mark-fields { margin-top: 16px; padding: 24px 0 0; border-top: 1px solid var(--border-lighter); border-bottom: 0; gap: 16px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mark-fields > div { display: grid; gap: 8px; min-width: 0; font-size: var(--font-14); line-height: 24px; }
.mark-fields > div:last-child { grid-column: auto; }
.mark-fields span { color: var(--text-muted); }
.mark-fields strong { padding: 8px 12px; border: 1px solid var(--border-light); border-radius: 8px; background: var(--bg-grey-3); color: var(--text-secondary); font-weight: 400; overflow-wrap: anywhere; }
.mark-section { margin: 24px 0 12px; padding-left: 12px; border-left: 4px solid var(--color-primary); color: var(--text-primary); font-weight: 500; }
.mark-result { padding: 12px; border-radius: 8px; background: var(--bg-base); font-size: var(--font-14); line-height: 28px; overflow-wrap: anywhere; }
.mark-photos { gap: 12px; }
.mark-photo { height: auto; aspect-ratio: 4 / 3; border: 1px solid var(--border-lighter); background: var(--bg-grey-3); }

@media (max-width: 1100px) {
  .mark-photos { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mark-bar { align-items: flex-start; flex-wrap: wrap; }
  .mark-bar__right { margin-left: 48px; }
  .mark-stage__body { padding: 20px; }
  .mark-paper { padding: 0; }
  .mark-fields { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .mark-main { grid-template-columns: 1fr; }
  .mark-side { position: static; }
}

@media (max-width: 720px) {
  .mark-bar { padding: 16px; }
  .mark-bar__intro { width: 100%; }
  .mark-bar__right { width: 100%; margin-left: 0; flex-wrap: wrap; }
  .mark-bar__copy h1 { font-size: var(--font-18); }
  .mark-breadcrumb { flex-wrap: wrap; }
  .mark-stage__body { padding: 16px; }
  .mark-paper { padding: 0; }
  .mark-tabs { gap: 24px; padding: 0 16px; }
  .mark-choices, .mark-question__pick { margin-left: 0; }
}

/* Shared teacher / student portal, matching the supplied school homepage. */
.main.main--portal { padding: 0; background: #f4f8fe; scrollbar-gutter: auto; }
.main--portal .portal { width: 100%; max-width: none; margin: 0; padding: 0 0 64px; gap: 0; min-height: 100%; position: relative; isolation: isolate; background: linear-gradient(160deg, #f9fbff 35%, #eaf3ff); }
.main--portal .portal::before { content: ''; position: absolute; inset: 45% 0 0; z-index: -1; opacity: .55; background-image: linear-gradient(#d7e6f7 1px, transparent 1px), linear-gradient(90deg, #d7e6f7 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(110deg, transparent 15%, #000); }
.main--portal .portal__banner { flex: none; width: 100%; height: clamp(300px, 32.3vw, 460px); overflow: hidden; border: 0; border-radius: 0 0 50% 50% / 0 0 18% 18%; background: #d8f6fa; }
.main--portal .portal__banner img { display: block; width: 100%; height: 100%; object-fit: fill; }
.main--portal .portal__grid { position: relative; width: min(1016px, calc(100% - 80px)); margin: -32px auto 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; align-items: stretch; }
.main--portal .module-card { min-width: 0; min-height: 248px; padding: 26px 24px 24px; gap: 8px; border: 1px solid rgba(255,255,255,.95); border-radius: 18px; background: linear-gradient(150deg, rgba(233,255,255,.8), rgba(255,255,255,.88) 45%, rgba(246,247,255,.88)); backdrop-filter: blur(16px); box-shadow: var(--portal-card-shadow); transition: transform 180ms ease, box-shadow 180ms ease; }
.main--portal .module-card:hover { transform: translateY(-2px); box-shadow: 0 24px 44px rgba(43,75,125,.2); }
.main--portal .module-card__icon { width: 66px; height: 66px; margin: 0 0 12px; border-radius: 16px; background: linear-gradient(145deg, #34b6ed, #3563f5); box-shadow: inset 0 1px 2px rgba(255,255,255,.45), inset 0 -2px 4px rgba(25,48,130,.2), 0 5px 10px rgba(44,110,203,.3); }
.main--portal .module-card__icon svg { width: 66px; height: 66px; filter: drop-shadow(0 2px 2px rgba(17,56,110,.2)); }
.main--portal .module-card--train .module-card__icon { background: linear-gradient(145deg, #46a6db, #443fc0); }
.main--portal .module-card--monitor .module-card__icon { background: linear-gradient(145deg, #28d395, #2294d3); box-shadow: inset 0 1px 2px rgba(255,255,255,.45), 0 5px 10px rgba(34,166,162,.28); }
.main--portal .module-card h2 { margin: 0; color: var(--portal-ink); font-size: 20px; font-weight: 700; line-height: 28px; letter-spacing: -.4px; }
.main--portal .module-card p { margin: 0 0 8px; font-size: 14px; line-height: 22px; color: #404550; }
.main--portal .module-card__points { display: flex; flex-wrap: wrap; margin: -4px 0 8px; gap: 12px; font-size: 12px; color: var(--text-secondary); }
.main--portal .module-card__points li { gap: 4px; }
.main--portal .module-card__points li::before { width: 4px; height: 4px; }
.main--portal .module-card .btn { height: 38px; padding: 0 20px; align-self: flex-start; margin-top: auto; border: 1px solid rgba(50,88,167,.18); border-radius: 8px; background: var(--portal-button); box-shadow: 0 3px 6px rgba(61,95,181,.3); color: #fff; font-size: 14px; font-weight: 400; transition: filter 180ms ease, transform 180ms ease; }
.main--portal .module-card .btn:hover { filter: brightness(1.08); }
.main--portal .module-card .btn:active { transform: translateY(1px); }
.main--portal .module-card .btn:focus-visible { outline: 3px solid #1677ff; outline-offset: 4px; }
@media (max-width: 1100px) { .main--portal .portal__grid { width: calc(100% - 64px); gap: 20px; } .main--portal .module-card { padding: 24px 20px; } .main--portal .module-card h2 { font-size: 18px; line-height: 26px; } }
@media (max-width: 800px) { .main--portal .portal__banner { height: auto; aspect-ratio: 1376 / 445; border-radius: 0 0 50% 50% / 0 0 12% 12%; } .main--portal .portal__grid { width: calc(100% - 32px); margin-top: -12px; gap: 16px; grid-template-columns: minmax(0, 1fr); } .main--portal .module-card { min-height: 200px; padding: 24px 24px 24px 108px; position: relative; } .main--portal .module-card__icon { position: absolute; top: 24px; left: 24px; width: 60px; height: 60px; } .main--portal .module-card__icon svg { width: 60px; height: 60px; } .main--portal .portal { padding-bottom: 32px; } }
@media (max-width: 600px) { .app:has(.main--portal) .topbar__tools { display: none; } .app:has(.main--portal) .user-menu__btn { white-space: nowrap; } }
@media (min-width: 801px) { .main--portal .module-card { min-height: 296px; } .main--portal .module-card p { min-height: 66px; } }
@media (min-width: 801px) { .student-layout .main--portal .portal__grid { width: min(680px, calc(100% - 64px)); grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.brand__college-mark { width: 44px; height: 44px; object-fit: contain; flex-shrink: 0; } @media (max-width: 800px) { .brand__college-mark { width: 36px; height: 36px; } }