:root {
  --bg: #f6f4ee;
  --surface: #ffffff;
  --surface-soft: #f2efe7;
  --surface-warm: #fffaf4;
  --line: #ddd8ce;
  --line-strong: #cfc8bc;
  --text: #2f3338;
  --muted: #6e7378;
  --muted-soft: #8b847a;
  --orange: #f37a17;
  --orange-deep: #dd5f00;
  --red: #db1f26;
  --green: #188c55;
  --blue: #2962c8;
  --shadow: 0 18px 40px rgba(42, 45, 51, 0.08);
  --radius: 15px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 264px minmax(760px, 1fr);
}

.sidebar {
  background: var(--surface-soft);
  border-right: 1px solid var(--line);
  padding: 26px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 8px 14px;
  border-bottom: 1px solid var(--line);
}

.brand img {
  width: 124px;
  height: auto;
}

.brand-copy {
  display: none;
}

.nav-group {
  display: grid;
  gap: 8px;
}

.nav-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--muted-soft);
  letter-spacing: 0.08em;
  padding: 0 8px;
}

.nav-item {
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  color: inherit;
  font-size: 15px;
}

button.nav-item {
  width: 100%;
  font: inherit;
  cursor: pointer;
  text-align: left;
}

.nav-logout {
  margin-top: 10px;
  color: var(--muted);
}

.nav-item.active {
  background: var(--surface);
  border-color: #f0c8a5;
  box-shadow: 0 10px 20px rgba(243, 122, 23, 0.08);
}

.count,
.mini-count {
  min-width: 26px;
  padding: 3px 8px;
  border-radius: 999px;
  background: #ede8dd;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

.sidebar-footer {
  margin-top: auto;
  padding: 14px 8px 0;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.main {
  padding: 28px 30px 34px;
  display: grid;
  gap: 22px;
  align-content: start;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 88px;
}

.headline h1 {
  margin: 0;
  font-size: 34px;
  font-weight: 700;
}

.headline p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.headline p,
.panel-head span,
.sidebar-footer {
  display: none;
}

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

.btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  min-height: 42px;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

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

.btn.subtle {
  background: transparent;
}

.btn.ghost {
  background: #fbfaf6;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-head {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.panel-head h2,
.panel-head h3 {
  margin: 0;
}

.panel-head span,
.subtle {
  color: var(--muted);
  font-size: 13px;
}

.ad-video-layout {
  align-items: start;
}

.ad-upload-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

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

.ad-video-card {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-warm);
}

.ad-video-thumb {
  width: 180px;
  aspect-ratio: 16 / 9;
  border-radius: calc(var(--radius) - 5px);
  border: 1px solid #e6ded0;
  background: #000;
  object-fit: contain;
}

.ad-video-meta {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.ad-video-meta strong,
.ad-video-meta span {
  overflow-wrap: anywhere;
}

.ad-video-meta span {
  color: var(--muted);
  font-size: 13px;
}

.ad-video-actions {
  justify-content: flex-end;
}

.panel-body,
.panel-pad {
  padding: 16px 18px 18px;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 18px;
}

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

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

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

.metric-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.metric-card .kicker {
  color: var(--muted);
  font-size: 13px;
}

.metric-card strong {
  display: block;
  margin-top: 10px;
  font-size: 30px;
  line-height: 1;
}

.metric-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.field,
.field-stack {
  display: grid;
  gap: 6px;
}

.field label,
.section-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

.section-label {
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 8px;
}

.input,
.select,
.search,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfaf6;
  padding: 11px 12px;
  font: inherit;
  color: inherit;
}

textarea {
  min-height: 100px;
  resize: vertical;
}

.row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

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

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 14px 12px;
  text-align: left;
  border-bottom: 1px solid #eee8dd;
  vertical-align: top;
}

.table th {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.table td strong {
  display: block;
  font-size: 15px;
}

.table td span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--muted);
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 74px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.pill.live {
  background: #e8f7ee;
  color: var(--green);
}

.pill.draft {
  background: #ece8df;
  color: #7d7366;
}

.pill.special {
  background: #fff0e2;
  color: var(--orange-deep);
}

.pill.blue {
  background: #edf4ff;
  color: var(--blue);
}

.course-list,
.card-list,
.timeline,
.block-list,
.asset-grid,
.device-list,
.log-list {
  display: grid;
  gap: 10px;
}

.course-item,
.card-row,
.timeline-item,
.block-item,
.device-row,
.log-row {
  border: 1px solid #ebe5d9;
  border-radius: var(--radius);
  background: #fffdfa;
}

.course-item {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px;
  cursor: pointer;
}

.course-item.active {
  border-color: #efb584;
  box-shadow: 0 10px 24px rgba(243, 122, 23, 0.10);
  background: var(--surface-warm);
}

.account-list-row {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.account-line {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}

.account-line span:nth-child(2) {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.thumb {
  width: 72px;
  height: 72px;
  border-radius: var(--radius);
  overflow: hidden;
  background: #f7f3ea;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thumb img,
.asset-card img,
.cover-preview img,
.media-shot img,
.login-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-meta h3,
.card-row h3 {
  margin: 0;
  font-size: 16px;
}

.course-meta p,
.card-row p,
.helper,
.footer-note {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.badge-stack {
  display: grid;
  gap: 6px;
  justify-items: end;
}

.nav-item .count {
  display: none;
}

.toggle-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  align-self: center;
}

.btn.compact {
  min-height: 30px;
  padding: 5px 10px;
  font-size: 12px;
}

.asset-list-item {
  grid-template-columns: minmax(0, 1fr) auto;
  cursor: default;
}

.asset-type-layout {
  display: grid;
  gap: 18px;
}

.asset-type-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.asset-type-column {
  min-width: 0;
  display: grid;
  gap: 12px;
}

.asset-type-column h3 {
  margin: 0;
  font-size: 18px;
}

.asset-modal-card {
  width: min(100%, 720px);
}

.compact-modal-card {
  width: min(100%, 720px);
}

.asset-edit-link {
  min-width: 0;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.asset-edit-link .course-meta {
  min-width: 0;
}

.asset-edit-link .course-meta h3,
.asset-edit-link .course-meta p {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.board {
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(620px, 1fr);
  gap: 20px;
  align-items: start;
}

.editor-grid {
  display: grid;
  grid-template-columns: minmax(360px, 1.15fr) minmax(320px, 0.9fr);
  gap: 20px;
  padding: 18px;
}

.editor-stack {
  display: grid;
  gap: 18px;
}

.card {
  border: 1px solid #ece7dd;
  border-radius: var(--radius);
  padding: 16px;
  background: #fffdfa;
}

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

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

.account-password-field {
  grid-column: span 2;
}

.readonly-value {
  min-height: 44px;
  border: 1px solid #ece7dd;
  border-radius: var(--radius);
  background: #f3efe6;
  color: var(--muted);
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-weight: 700;
}

.settings-asset-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cover-row {
  display: grid;
  grid-template-columns: 176px 1fr;
  gap: 14px;
  align-items: start;
}

.cover-preview {
  border: 1px solid #ece7dd;
  border-radius: var(--radius);
  background: #faf7ef;
  padding: 10px;
}

.status-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.block-item {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  background: #fff;
}

.block-order {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: #f3efe6;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #665f57;
}

.block-info strong {
  display: block;
  font-size: 15px;
}

.block-info span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--muted);
  overflow-wrap: anywhere;
}

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

.asset-card {
  border: 1px solid #ece7dd;
  border-radius: var(--radius);
  background: #fff;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.asset-preview-wide {
  max-width: 340px;
}

.asset-card img,
.asset-card video {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  background: #f7f2e8;
  width: 100%;
  object-fit: cover;
}

.preview-frame {
  border: 1px solid #ece7dd;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fbfaf5;
}

.preview-header {
  padding: 12px 14px;
  border-bottom: 1px solid #ece7dd;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13px;
}

.tv-canvas {
  padding: 18px;
  background: #f7f5ee;
}

.tv-screen {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid #eae4d9;
  padding: 18px 20px;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 12px;
}

.tv-top img {
  width: 124px;
  height: auto;
}

.tv-title {
  font-size: 17px;
  color: #555b60;
  padding-bottom: 8px;
  border-bottom: 4px solid var(--orange);
  width: 184px;
}

.tv-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 22px;
}

.tv-section h4 {
  margin: 0 0 10px;
  font-size: 15px;
  color: #595f64;
}

.tv-course-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tv-course {
  width: 76px;
  display: grid;
  gap: 6px;
  text-align: center;
  font-size: 9px;
  color: #25282c;
}

.tv-course .shot {
  width: 76px;
  height: 76px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid #ece7dd;
  background: #fff;
  transform: scale(1);
}

.tv-course.selected .shot {
  transform: scale(1.1);
}

.tv-course.selected strong {
  font-weight: 800;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 20px;
}

.timeline-item,
.device-row,
.log-row,
.card-row {
  padding: 14px 16px;
}

.timeline-item strong,
.device-row strong,
.log-row strong {
  display: block;
  font-size: 15px;
}

.kpi-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.stack {
  display: grid;
  gap: 18px;
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.quick-link {
  border: 1px solid #ebe5d9;
  border-radius: var(--radius);
  padding: 16px;
  background: #fffdfa;
  min-height: 132px;
}

.quick-link h3 {
  margin: 0;
  font-size: 18px;
}

.quick-link p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.status-table td:last-child,
.status-table th:last-child {
  text-align: right;
}

.device-row,
.log-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.log-row {
  cursor: pointer;
}

.log-row.selected {
  border-color: #efb584;
  box-shadow: 0 10px 24px rgba(243, 122, 23, 0.10);
  background: var(--surface-warm);
}

.log-main {
  display: flex;
  align-items: stretch;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.log-progress {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: #efe7db;
  overflow: hidden;
}

.log-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--orange), #db1f26);
}

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

.upload-job-grid {
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
}

.upload-job-grid .log-row {
  min-height: 86px;
  padding: 10px;
  display: grid;
  gap: 6px;
}

.upload-job-grid .log-main {
  gap: 5px;
}

.upload-job-grid .log-main strong {
  font-size: 13px;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.upload-job-grid .log-meta,
.upload-job-grid .log-progress-label {
  font-size: 11px;
  line-height: 1.25;
}

.upload-job-grid .log-progress {
  height: 5px;
}

.upload-job-grid .log-actions {
  align-items: center;
  display: flex;
  gap: 6px;
  justify-content: space-between;
}

.system-log-filter-grid {
  display: grid;
  grid-template-columns: 150px 130px minmax(220px, 1fr) 180px 180px auto;
  gap: 10px;
  align-items: center;
}

.system-log-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  text-align: left;
}

.system-log-total {
  color: var(--orange-deep);
  font-size: 20px;
}

.system-log-json {
  margin: 0;
  padding: 12px;
  border: 1px solid #ece7dd;
  border-radius: var(--radius);
  background: #fffdfa;
  color: var(--ink);
  font: 12px/1.5 ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  max-height: 320px;
  overflow: auto;
  white-space: pre-wrap;
}

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

.panel-search-pad {
  padding-top: 12px;
  padding-bottom: 0;
}

.panel-search {
  width: 280px;
  max-width: 100%;
}

.device-account-item {
  border: 1px solid #ebe5d9;
  border-radius: var(--radius);
  background: #fffdfa;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: minmax(120px, 0.8fr) minmax(150px, 1fr) minmax(160px, 1.1fr) minmax(100px, auto);
  gap: 12px;
  align-items: center;
  text-align: left;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.device-account-item.active {
  border-color: #efb584;
  background: var(--surface-warm);
}

.device-account-item span,
.device-account-item em {
  color: var(--muted);
  font-style: normal;
  font-size: 13px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.device-status-block {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.device-account-item strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.device-update-row {
  align-items: center;
}

.device-row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-start;
  grid-column: 1 / -1;
}

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

.app-package-upload-grid {
  grid-template-columns: minmax(0, 1fr) 150px auto;
}

.app-package-notes {
  min-height: 72px;
  resize: vertical;
}

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

.app-package-row {
  border: 1px solid #ebe5d9;
  border-radius: var(--radius);
  background: #fffdfa;
  padding: 12px;
  display: grid;
  gap: 6px;
  cursor: pointer;
  text-align: left;
  color: inherit;
  font: inherit;
}

.app-package-row.active {
  border-color: #efb584;
  background: var(--surface-warm);
}

.app-package-meta {
  color: var(--muted);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.detail-progress {
  margin-top: -4px;
}

.log-error {
  color: #ba3b2c;
  font-size: 13px;
  line-height: 1.5;
}

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

.detail-head {
  display: grid;
  gap: 8px;
}

.detail-head h3 {
  margin: 0;
  font-size: 22px;
}

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

.detail-meta-grid > div {
  border: 1px solid #ece7dd;
  border-radius: var(--radius);
  background: #fffdfa;
  padding: 12px;
  display: grid;
  gap: 6px;
}

.detail-meta-grid > div span {
  color: var(--muted);
  font-size: 12px;
}

.detail-meta-grid > div strong {
  font-size: 15px;
  overflow-wrap: anywhere;
}

.detail-meta-card {
  border: 1px solid #ece7dd;
  border-radius: var(--radius);
  background: #fffdfa;
  padding: 12px;
  display: grid;
  gap: 6px;
}

.detail-meta-card span {
  color: var(--muted);
  font-size: 12px;
}

.detail-meta-card strong {
  font-size: 15px;
  overflow-wrap: anywhere;
}

.detail-section-title {
  margin: 2px 0 0;
  font-size: 15px;
}

.file-item.detail-file {
  align-items: flex-start;
}

.file-item.detail-file > div {
  display: grid;
  gap: 4px;
}

.device-meta,
.log-meta {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.device-actions,
.log-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

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

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

.file-item {
  border: 1px solid #ece7dd;
  border-radius: var(--radius);
  padding: 10px 12px;
  background: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
  background: linear-gradient(180deg, #f7f4ec 0%, #f1ede2 100%);
}

.login-card {
  width: min(100%, 460px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  display: grid;
  gap: 18px;
  overflow: hidden;
}

.login-logo {
  width: 180px;
  height: 64px;
}

.login-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.login-card h1 {
  margin: 0;
  font-size: 32px;
}

.login-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.login-footer {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

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

.tag {
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 999px;
  background: #f0ece2;
  color: #6c665e;
}

.subnav-note {
  padding: 0 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.segmented {
  display: inline-grid;
  grid-auto-flow: column;
  gap: 8px;
  padding: 6px;
  background: #f3eee4;
  border-radius: var(--radius);
  border: 1px solid #e5ddd0;
}

.segment {
  min-height: 40px;
  padding: 0 14px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
}

.segment.active {
  background: var(--surface);
  border-color: #f0c8a5;
  color: var(--text);
}

.upload-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 20px;
  align-items: start;
}

.upload-fit {
  align-self: start;
}

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

.preview-tile {
  border: 1px solid #ece7dd;
  border-radius: var(--radius);
  background: #fff;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.preview-tile strong {
  font-size: 14px;
}

.preview-tile span {
  color: var(--muted);
  font-size: 12px;
}

.preview-tile button {
  width: 100%;
}

.panel-topline {
  padding-top: 0;
}

.checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

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

.feedback.success {
  color: var(--green);
}

.feedback.error {
  color: #ba3b2c;
}

.form-feedback {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.form-feedback.success {
  color: var(--green);
}

.form-feedback.error {
  color: #ba3b2c;
}

.upload-preview-card {
  display: grid;
  gap: 14px;
}

.preview-card-head {
  display: grid;
  grid-template-columns: 176px 1fr;
  gap: 14px;
  align-items: start;
}

.preview-card-head img {
  width: 176px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid #ece7dd;
  background: #f7f2e8;
}

.preview-card-head strong {
  display: block;
  font-size: 18px;
}

.preview-card-head p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.preview-card {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
}

.preview-card img {
  width: 148px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid #ece7dd;
  background: #f7f2e8;
}

.preview-card strong {
  display: block;
  font-size: 18px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.preview-card p {
  margin: 6px 0 0;
  color: var(--muted);
}

.preview-video-list,
#prototype-preview-files {
  display: grid;
  gap: 10px;
}

.preview-video-item {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  border: 1px solid #ece7dd;
  border-radius: var(--radius);
  padding: 10px;
  background: #fffdfa;
}

.preview-video,
.preview-video-placeholder {
  width: 132px;
  aspect-ratio: 16 / 9;
  border-radius: calc(var(--radius) - 8px);
  border: 1px solid #e6ded0;
  background: #000;
  object-fit: contain;
}

.preview-video-placeholder {
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 12px;
}

.preview-video-item strong,
.preview-video-item span {
  display: block;
  overflow-wrap: anywhere;
}

.preview-video-item span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

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

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 50;
  min-width: 240px;
  max-width: 360px;
  padding: 14px 16px;
  border-radius: var(--radius);
  background: rgba(47, 51, 56, 0.96);
  color: #fff;
  box-shadow: 0 20px 36px rgba(0, 0, 0, 0.22);
  font-size: 14px;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}

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

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(17, 20, 24, 0.62);
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 24px;
}

.modal-card {
  width: min(100%, 980px);
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid #e7dfd2;
  box-shadow: 0 28px 54px rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid #ece7dd;
}

.modal-head h3 {
  margin: 0;
  font-size: 18px;
}

.modal-body {
  padding: 18px;
}

.upload-progress-card {
  width: min(100%, 560px);
}

.upload-progress-body {
  display: grid;
  gap: 14px;
}

.upload-progress-status {
  margin: 0;
  font-weight: 700;
  color: var(--ink);
}

.upload-progress-bar {
  height: 10px;
}

.upload-progress-label {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.upload-progress-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.dropzone {
  min-height: 180px;
  border: 2px dashed #dfcdb7;
  border-radius: var(--radius);
  background: #fffaf4;
  display: grid;
  place-items: center;
  padding: 24px;
  text-align: center;
}

.dropzone strong {
  display: block;
  font-size: 18px;
}

.dropzone span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 13px;
}

.media-shot {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid #ece7dd;
  background: #f8f4eb;
}

.media-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-preview-video {
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
  object-fit: contain;
}

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

.drag-item {
  border: 1px solid #ece7dd;
  border-radius: var(--radius);
  background: #fff;
  padding: 12px;
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 12px;
  align-items: center;
}

.drag-item.dragging {
  opacity: 0.55;
}

.drag-item .row {
  justify-content: flex-end;
}

.drag-handle {
  width: 28px;
  height: 44px;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 25%, #c5bbaa 2px, transparent 3px),
    radial-gradient(circle at 50% 50%, #c5bbaa 2px, transparent 3px),
    radial-gradient(circle at 50% 75%, #c5bbaa 2px, transparent 3px);
  background-repeat: no-repeat;
  background-position: center;
}

.storage-bar {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: #eee8dc;
  overflow: hidden;
}

.storage-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--orange) 0%, #f7b16d 100%);
}

.account-row {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid #ece7dd;
  border-radius: var(--radius);
  background: #fff;
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: #f1ede3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #6e675f;
}

.account-row strong {
  display: block;
  font-size: 15px;
}

.account-row span {
  color: var(--muted);
  font-size: 13px;
}

.calendar-layout {
  display: grid;
  grid-template-columns: minmax(720px, 1.2fr) minmax(340px, 0.8fr);
  gap: 20px;
  align-items: start;
}

.course-management-layout,
.course-detail-layout {
  display: grid;
  gap: 20px;
}

.course-management-layout {
  grid-template-columns: minmax(720px, 1.25fr) minmax(340px, 0.75fr);
  align-items: start;
}

.calendar-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.calendar-toolbar h3 {
  margin: 0;
  font-size: 24px;
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
}

.calendar-weekdays {
  margin-bottom: 10px;
}

.calendar-weekdays span {
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.calendar-day {
  min-height: 132px;
  border: 1px solid #ebe5d9;
  border-radius: var(--radius);
  background: #fff;
  padding: 12px;
  display: grid;
  align-content: start;
  gap: 10px;
  overflow: hidden;
  cursor: pointer;
}

.calendar-day.muted {
  opacity: 0.42;
}

.calendar-day.has-course {
  background: #fff;
  border-color: #ebe5d9;
}

.calendar-day.selected {
  border-color: #1785d1;
  box-shadow: 0 12px 24px rgba(23, 133, 209, 0.14);
}

.calendar-day.has-course.selected:not(.current-display) {
  border-color: #ebe5d9;
  box-shadow: none;
}

.calendar-day.current-display {
  border-color: #f37a17;
  background: linear-gradient(180deg, #fff6ee 0%, #ffffff 100%);
}

.calendar-day.app-window-missing {
  border-color: #f37a17;
  background: #fff1e4;
}

.calendar-day-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.calendar-day-number {
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
}

.calendar-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--orange);
}

.calendar-course-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-width: 0;
}

.calendar-course-chip {
  border-radius: var(--radius);
  background: rgba(243, 122, 23, 0.11);
  color: var(--orange-deep);
  font-size: 12px;
  font-weight: 700;
  padding: 4px;
  line-height: 1.35;
  min-width: 0;
  max-width: 100%;
}

.calendar-course-with-icon {
  display: inline-grid;
  grid-template-columns: 24px;
  align-items: center;
  justify-content: center;
  gap: 0;
  cursor: pointer;
}

.calendar-course-with-icon img {
  width: 24px;
  height: 24px;
  border-radius: var(--radius);
  object-fit: cover;
}

.calendar-empty-action {
  border: 1px dashed #dfcdb7;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 12px;
  padding: 7px 8px;
  background: #fffdfa;
  text-align: center;
}

.pill.current {
  background: #db1f26;
  color: #fff;
  border-color: #db1f26;
  box-shadow: 0 4px 12px rgba(219, 31, 38, 0.22);
}

.calendar-course-chip.special {
  background: rgba(41, 98, 200, 0.10);
  color: var(--blue);
}

.calendar-stat {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #fff6ee;
  color: var(--orange-deep);
  font-size: 13px;
  font-weight: 700;
}

.course-alert {
  border: 1px solid rgba(219, 31, 38, 0.24);
  border-radius: var(--radius);
  background: rgba(219, 31, 38, 0.08);
  color: #9b1c1f;
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 700;
}

.calendar-summary {
  display: grid;
  gap: 12px;
}

.day-focus {
  border: 1px solid #ece7dd;
  border-radius: var(--radius);
  background: #fffdfa;
  padding: 16px;
  display: grid;
  gap: 14px;
}

.day-focus h3,
.day-focus h4 {
  margin: 0;
}

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

.day-focus-item {
  border: 1px solid #ece7dd;
  border-radius: var(--radius);
  background: #fff;
  padding: 12px;
  display: grid;
  gap: 6px;
}

.day-focus-item.pending-upload {
  border-style: dashed;
  background: #fffdfa;
}

.day-focus-item strong {
  font-size: 15px;
}

.day-focus-item span {
  font-size: 13px;
  color: var(--muted);
}

.course-retention-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  color: var(--muted);
  font-size: 13px;
}

.course-retention-line span {
  overflow-wrap: anywhere;
}

.day-focus-item.active {
  border-color: var(--orange);
  box-shadow: 0 12px 24px rgba(243, 122, 23, 0.12);
  background: #fffaf4;
}

.day-focus-actions {
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.media-thumb-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(128px, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.media-thumb-list.empty {
  color: var(--muted);
  font-size: 13px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 12px;
}

.media-thumb {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface-warm);
  min-width: 0;
}

.media-thumb img {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
  background: #f3eee6;
}

.media-thumb-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
  background: #000;
}

.media-thumb div {
  padding: 8px;
  display: grid;
  gap: 2px;
  min-width: 0;
}

.media-thumb strong,
.media-thumb span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.monthly-group-section {
  display: grid;
  gap: 10px;
}

.monthly-group-section h4 {
  margin: 0;
  font-size: 16px;
}

.monthly-tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 10px;
}

.monthly-course-tile {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fffdfa;
  padding: 10px;
  display: grid;
  gap: 10px;
  text-align: left;
  cursor: pointer;
  min-width: 0;
}

.monthly-course-tile:hover {
  border-color: var(--orange);
  box-shadow: 0 10px 20px rgba(243, 122, 23, 0.12);
}

.monthly-course-top {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}

.monthly-course-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius);
  object-fit: cover;
  background: var(--surface-warm);
}

.monthly-course-top strong,
.monthly-course-top span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.monthly-course-top strong {
  font-size: 15px;
  color: var(--ink);
}

.monthly-course-top span {
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
}

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

.monthly-course-thumb {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.monthly-course-thumb img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.monthly-course-thumb span {
  display: block;
  padding: 4px 6px;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
}

.monthly-course-empty {
  grid-column: 1 / -1;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 12px;
  padding: 12px;
}

.course-modal-card {
  width: min(100%, 980px);
  max-height: calc(100vh - 48px);
  overflow: auto;
}

.course-detail-hero.compact h2 {
  font-size: 24px;
}

.day-focus-cover {
  flex: 1 1 220px;
  text-align: right;
  word-break: break-all;
}

.course-detail-hero {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.course-detail-hero img {
  width: 132px;
  height: 132px;
  border-radius: var(--radius);
  object-fit: cover;
  background: var(--surface-warm);
}

.course-detail-hero h2 {
  margin: 0 0 8px;
  font-size: 30px;
}

.course-detail-hero p {
  margin: 0;
  color: var(--muted);
}

.course-detail-actions {
  margin-top: 16px;
}

.course-detail-media h3 {
  margin: 0 0 12px;
  font-size: 20px;
}

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

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.legend-swatch {
  width: 14px;
  height: 14px;
  border-radius: var(--radius);
  border: 1px solid #e2dbce;
  background: #fff;
}

.legend-swatch.has-course {
  background: #fff6ee;
  border-color: #efc39b;
}

.legend-swatch.selected {
  background: #fff6ee;
  border-color: var(--orange);
}

.headline-inline {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.calendar-month-input {
  width: auto;
  min-width: 180px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.ad-upload-bar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.metric-card[data-upload-filter] {
  cursor: pointer;
}

.metric-card[data-upload-filter].active {
  border-color: var(--orange);
  box-shadow: 0 10px 24px rgba(247, 112, 18, 0.12);
}

.metric-card[data-upload-filter]:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.upload-test-toggle {
  justify-self: center;
  align-self: center;
}

@media (max-width: 1480px) {
  .board,
  .editor-grid,
  .split,
  .course-management-layout,
  .calendar-layout,
  .upload-layout,
  .grid-4,
  .kpi-strip,
  .quick-links,
  .asset-grid,
  .asset-type-columns {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .grid-2,
  .field-grid,
  .two-col-card,
  .cover-row,
  .system-log-filter-grid {
    grid-template-columns: 1fr;
  }

  .app-shell {
    grid-template-columns: 240px 1fr;
  }

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