.admin-page,
.login-page {
  background: #f4ecdf;
}

.login-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.login-card {
  display: grid;
  gap: 18px;
  width: min(440px, 100%);
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-strong);
  box-shadow: 0 18px 60px rgba(34, 33, 31, 0.12);
}

.login-card img {
  width: 220px;
  height: auto;
}

.login-card h1 {
  margin-bottom: 8px;
  font-size: 40px;
}

.login-card p {
  color: var(--muted);
}

.admin-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}

.admin-sidebar {
  position: sticky;
  top: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 28px;
  height: 100vh;
  padding: 24px 18px;
  border-right: 1px solid var(--line);
  background: var(--paper-strong);
}

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

.admin-logo img {
  width: 190px;
  height: auto;
}

.admin-logo span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.admin-menu {
  display: grid;
  align-content: start;
  gap: 8px;
}

.cohort-switcher {
  display: grid;
  gap: 8px;
}

.cohort-switcher label {
  font-size: 13px;
}

.cohort-switcher select {
  min-height: 40px;
}

.admin-menu button {
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: #3f3b36;
  font: inherit;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
  padding: 0 14px;
}

.admin-menu button.active,
.admin-menu button:hover {
  border-color: rgba(34, 33, 31, 0.1);
  background: #efe5d5;
}

.sidebar-actions {
  display: grid;
  gap: 10px;
}

.admin-main {
  display: grid;
  align-content: start;
  gap: 22px;
  min-width: 0;
  padding: 26px clamp(20px, 4vw, 48px);
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0 8px;
}

.admin-topbar h1 {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
}

.admin-panel {
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-strong);
  box-shadow: 0 16px 48px rgba(34, 33, 31, 0.08);
}

.admin-section {
  display: none;
}

.admin-section.active {
  display: block;
}

.panel-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.panel-head h2 {
  margin-bottom: 6px;
  font-size: 30px;
}

.panel-head p {
  margin-bottom: 0;
  color: var(--muted);
}

.overview-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.overview-stats article {
  display: grid;
  gap: 5px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
}

.overview-stats strong {
  color: var(--red);
  font-size: 32px;
  line-height: 1;
}

.overview-stats span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

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

.inline-form {
  align-items: end;
  grid-template-columns: minmax(180px, .6fr) minmax(220px, 1fr) auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.sub-panel {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
}

.sub-panel h3 {
  margin-bottom: 0;
  font-size: 18px;
}

.sub-panel p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.management-grid {
  margin-bottom: 22px;
}

.ai-config-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  max-width: 920px;
}

.ai-config-form > label:nth-child(3),
.ai-config-form .checkbox-label,
.ai-config-form > button {
  grid-column: 1 / -1;
}

.ai-config-form > button {
  width: fit-content;
}

.ai-config-state,
.ai-config-note {
  max-width: 920px;
  margin: 16px 0 0;
  padding: 12px 14px;
  border-radius: 6px;
  background: #f7f1e7;
  color: var(--muted);
  font-size: 13px;
}

.ai-config-state.success {
  background: rgba(49, 93, 74, .1);
  color: var(--green);
  font-weight: 800;
}

.ai-config-note {
  margin-top: 10px;
  border-left: 3px solid var(--gold);
}

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

.admin-notice {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.admin-notice:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.admin-notice h3 {
  margin-bottom: 4px;
  font-size: 16px;
}

.admin-notice p,
.admin-notice small {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.assignment-editor,
.submission-review-list {
  display: grid;
  gap: 14px;
}

.assignment-edit-card {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
}

.assignment-edit-day {
  display: grid;
  min-height: 48px;
  place-items: center;
  border-radius: 50%;
  background: rgba(49, 93, 74, .1);
  color: var(--green);
  font-weight: 900;
}

.assignment-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  gap: 10px;
}

.assignment-fields label:nth-child(2),
.assignment-fields label:nth-child(3) {
  grid-column: 1 / -1;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-label input {
  width: auto;
  min-height: 0;
}

.submission-review-card {
  display: grid;
  grid-template-columns: minmax(160px, .55fr) minmax(210px, .8fr) minmax(260px, 1fr);
  gap: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
}

.submission-meta h3 {
  margin: 10px 0 5px;
  font-size: 19px;
}

.submission-meta p,
.submission-notes p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.submission-notes b {
  font-size: 14px;
}

.submission-files {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}

.submission-file {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.submission-files a {
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.featured-editor {
  display: grid;
  gap: 14px;
}

.featured-edit-card {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) 110px;
  gap: 16px;
  align-items: start;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffaf1;
}

.featured-preview {
  width: 120px;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 7px;
  background: var(--charcoal);
}

.featured-preview img,
.featured-preview video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-fields {
  display: grid;
  gap: 10px;
}

.featured-fields > p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.featured-actions {
  display: grid;
  gap: 10px;
}

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

.review-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mini-button.strong {
  border-color: var(--charcoal);
  background: var(--charcoal);
  color: var(--paper-strong);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
}

th,
td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

th {
  color: var(--muted);
  font-size: 13px;
}

.delete-button {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid rgba(157, 45, 37, 0.24);
  border-radius: 6px;
  background: rgba(157, 45, 37, 0.06);
  color: var(--red);
  font-weight: 800;
  cursor: pointer;
}

.case-editor {
  display: grid;
  gap: 14px;
}

.case-edit-card {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr) 170px;
  gap: 14px;
  align-items: start;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffaf1;
}

.case-edit-card h3 {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 18px;
}

.case-preview {
  display: grid;
  width: 104px;
  height: 184px;
  place-items: center;
  overflow: hidden;
  border-radius: 8px;
  background: #171716;
  color: rgba(255, 250, 241, 0.7);
  font-weight: 900;
}

.case-preview img,
.case-preview video,
.case-card video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.case-fields label:nth-child(3),
.case-fields label:nth-child(4) {
  grid-column: 1 / -1;
}

.case-actions {
  display: grid;
  gap: 10px;
}

.case-actions input[type="file"] {
  min-height: 42px;
  padding: 8px;
  font-size: 13px;
}

.mini-button {
  min-height: 38px;
  border: 1px solid rgba(34, 33, 31, 0.2);
  border-radius: 6px;
  background: #fff;
  font-weight: 800;
  cursor: pointer;
}

@media (max-width: 980px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    position: static;
    height: auto;
  }

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

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

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

  .featured-actions {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .overview-stats,
  .inline-form,
  .management-grid,
  .ai-config-form,
  .submission-review-card {
    grid-template-columns: 1fr 1fr;
  }

  .submission-review-card .review-editor {
    grid-column: 1 / -1;
  }

  .case-actions {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  .admin-topbar,
  .panel-head {
    display: grid;
  }

  .case-edit-card,
  .case-fields,
  .featured-edit-card,
  .overview-stats,
  .inline-form,
  .management-grid,
  .ai-config-form,
  .assignment-edit-card,
  .assignment-fields,
  .submission-review-card {
    grid-template-columns: 1fr;
  }

  .assignment-edit-day {
    width: 48px;
  }

  .case-preview {
    width: 120px;
    height: 214px;
  }

  .featured-preview {
    width: 100%;
  }
}