:root {
  --bg: #eef3f0;
  --surface: #ffffff;
  --surface-2: #f7faf8;
  --text: #17211c;
  --muted: #607068;
  --line: #d9e2dd;
  --teal: #087f76;
  --amber: #b66b00;
  --rose: #bc4b5f;
  --ink: #2d4263;
  --shadow: 0 18px 45px rgba(23, 33, 28, 0.1);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 12%, rgba(8, 127, 118, 0.13), transparent 28rem),
    linear-gradient(135deg, #eef3f0 0%, #f7f1e6 48%, #eef1f7 100%);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 17.5rem minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 1.25rem;
  border-right: 1px solid rgba(23, 33, 28, 0.1);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
}

.brand,
.support-panel,
.topbar,
.section-head,
.top-actions,
.search,
.queue-item,
.course-meta,
.range-control {
  display: flex;
  align-items: center;
}

.brand {
  gap: 0.75rem;
}

.brand-mark {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border-radius: 0.5rem;
  color: white;
  font-weight: 800;
  background: linear-gradient(135deg, var(--teal), var(--ink));
}

.brand strong,
.brand span,
.support-panel strong,
.support-panel span {
  display: block;
}

.brand span,
.support-panel span,
.metric-card small,
.metric-card span,
.course-card p,
td {
  color: var(--muted);
}

.nav-list {
  display: grid;
  gap: 0.4rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 2.75rem;
  padding: 0 0.75rem;
  border: 0;
  border-radius: 0.5rem;
  color: var(--muted);
  background: transparent;
  text-align: left;
}

.nav-item span {
  display: grid;
  width: 1.35rem;
  place-items: center;
}

.nav-item.active,
.nav-item:hover {
  color: var(--text);
  background: #e7f2ee;
}

.support-panel {
  gap: 0.75rem;
  margin-top: auto;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--surface-2);
}

.status-dot {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 999px;
  background: #29a36a;
  box-shadow: 0 0 0 0.35rem rgba(41, 163, 106, 0.14);
}

.main {
  min-width: 0;
  padding: 1.4rem;
}

.topbar {
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.eyebrow {
  margin: 0 0 0.28rem;
  color: var(--teal);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 0;
  font-size: 1.8rem;
}

h2 {
  margin-bottom: 0;
  font-size: 1.25rem;
}

h3 {
  margin-bottom: 1rem;
  font-size: 1rem;
}

.top-actions {
  gap: 0.65rem;
}

.search {
  gap: 0.5rem;
  width: min(24rem, 38vw);
  min-height: 2.65rem;
  padding: 0 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.84);
}

.search input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
}

.icon-button,
.primary-button,
.segmented button {
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--surface);
}

.icon-button {
  width: 2.65rem;
  height: 2.65rem;
}

.primary-button {
  min-height: 2.55rem;
  padding: 0 0.9rem;
  color: white;
  border-color: transparent;
  background: var(--text);
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}

.metric-card,
.work-panel,
.visual-panel,
.course-card,
.table-wrap,
.chart-panel {
  border: 1px solid rgba(23, 33, 28, 0.09);
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
}

.metric-card {
  display: grid;
  gap: 0.35rem;
  min-height: 8rem;
  padding: 1rem;
  border-top: 0.28rem solid var(--teal);
}

.metric-card strong {
  font-size: 2rem;
}

.accent-amber {
  border-top-color: var(--amber);
}

.accent-rose {
  border-top-color: var(--rose);
}

.accent-ink {
  border-top-color: var(--ink);
}

.dashboard-layout,
.report-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(21rem, 0.8fr);
  gap: 0.9rem;
  margin-top: 0.9rem;
}

.work-panel,
.visual-panel,
.chart-panel {
  padding: 1rem;
}

.section-head {
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.queue-list {
  display: grid;
  gap: 0.65rem;
}

.queue-item {
  justify-content: space-between;
  gap: 0.8rem;
  min-height: 4.3rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--surface-2);
}

.queue-item strong,
.queue-item span {
  display: block;
}

.queue-item span {
  color: var(--muted);
  font-size: 0.88rem;
}

.badge {
  flex: 0 0 auto;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  color: var(--teal);
  background: #dff1ed;
  font-size: 0.78rem;
  font-weight: 800;
}

.visual-panel {
  display: grid;
  align-content: space-between;
  min-height: 25rem;
  overflow: hidden;
}

.campus-visual {
  position: relative;
  min-height: 18rem;
  border-radius: 0.5rem;
  background:
    linear-gradient(160deg, rgba(8, 127, 118, 0.18), rgba(45, 66, 99, 0.08)),
    repeating-linear-gradient(90deg, rgba(23, 33, 28, 0.05) 0 1px, transparent 1px 3rem);
}

.screen-card {
  position: absolute;
  border: 1px solid rgba(23, 33, 28, 0.12);
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 16px 32px rgba(23, 33, 28, 0.12);
}

.screen-main {
  left: 11%;
  top: 17%;
  width: 56%;
  height: 54%;
  padding: 1rem;
}

.screen-main span {
  display: block;
  width: 58%;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--teal);
}

.screen-main strong {
  display: block;
  margin: 1.1rem 0;
  font-size: 2.2rem;
  color: var(--ink);
}

.screen-main div {
  width: 86%;
  height: 2.7rem;
  border-radius: 0.45rem;
  background: linear-gradient(90deg, var(--amber) 0 35%, #dfe8e4 35% 100%);
}

.screen-side {
  right: 8%;
  bottom: 13%;
  display: grid;
  gap: 0.55rem;
  width: 34%;
  padding: 0.8rem;
}

.screen-side span {
  height: 0.7rem;
  border-radius: 999px;
  background: #dfe8e4;
}

.screen-side span:nth-child(2) {
  background: var(--rose);
}

.orbit {
  position: absolute;
  border: 1px dashed rgba(45, 66, 99, 0.45);
  border-radius: 999px;
}

.orbit-a {
  inset: 2.2rem 4rem;
}

.orbit-b {
  inset: 4.5rem 1.7rem 3.2rem 5rem;
}

.pulse-summary {
  padding-top: 1rem;
}

.pulse-summary strong {
  display: block;
  margin: 0.35rem 0 0.55rem;
  font-size: 2rem;
}

.progress-track {
  height: 0.6rem;
  overflow: hidden;
  border-radius: 999px;
  background: #dfe8e4;
}

.progress-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal), var(--amber));
}

.segmented {
  display: inline-grid;
  grid-template-columns: repeat(3, minmax(4rem, 1fr));
  padding: 0.22rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--surface-2);
}

.segmented button {
  min-height: 2.2rem;
  border: 0;
  background: transparent;
}

.segmented .active {
  color: white;
  background: var(--text);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.course-card {
  padding: 1rem;
}

.course-card h3 {
  margin-bottom: 0.45rem;
}

.course-card p {
  min-height: 2.6rem;
  margin-bottom: 1rem;
}

.course-meta {
  justify-content: space-between;
  gap: 0.5rem;
}

.course-meta span {
  font-weight: 800;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  min-width: 42rem;
  border-collapse: collapse;
}

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

th {
  color: var(--text);
  background: var(--surface-2);
}

.range-control {
  gap: 0.75rem;
  min-width: 13rem;
}

.range-control input {
  width: 10rem;
}

.bar-chart {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  align-items: end;
  gap: 0.65rem;
  height: 18rem;
  padding-top: 1rem;
}

.bar {
  display: grid;
  align-items: end;
  min-height: 2rem;
  border-radius: 0.45rem 0.45rem 0 0;
  background: linear-gradient(180deg, var(--teal), var(--ink));
}

.bar span {
  display: block;
  padding-bottom: 0.45rem;
  color: white;
  font-size: 0.78rem;
  font-weight: 800;
  text-align: center;
}

.donut-wrap {
  display: grid;
  grid-template-columns: 12rem 1fr;
  align-items: center;
  gap: 1rem;
}

.donut {
  width: 12rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: conic-gradient(var(--teal) 0 48%, var(--amber) 48% 69%, var(--rose) 69% 87%, var(--ink) 87% 100%);
  mask: radial-gradient(circle, transparent 0 43%, #000 44%);
}

.donut-wrap ul {
  display: grid;
  gap: 0.65rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.swatch {
  display: inline-block;
  width: 0.8rem;
  height: 0.8rem;
  margin-right: 0.45rem;
  border-radius: 0.18rem;
  vertical-align: -0.05rem;
}

.swatch.teal {
  background: var(--teal);
}

.swatch.amber {
  background: var(--amber);
}

.swatch.rose {
  background: var(--rose);
}

.swatch.ink {
  background: var(--ink);
}

body.compact .metric-card,
body.compact .work-panel,
body.compact .visual-panel,
body.compact .course-card,
body.compact .chart-panel {
  box-shadow: none;
}

body.compact .queue-item,
body.compact th,
body.compact td {
  padding: 0.65rem;
}

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

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 5;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 0.9rem;
  }

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

  .nav-item {
    justify-content: center;
    padding: 0 0.35rem;
  }

  .nav-item span,
  .support-panel {
    display: none;
  }

  .metrics-grid,
  .course-grid,
  .dashboard-layout,
  .report-grid {
    grid-template-columns: 1fr;
  }

  .search {
    width: 100%;
  }

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

@media (max-width: 620px) {
  .main {
    padding: 0.9rem;
  }

  .top-actions,
  .section-head {
    align-items: stretch;
    flex-direction: column;
  }

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

  .metrics-grid {
    gap: 0.65rem;
  }

  .donut-wrap {
    grid-template-columns: 1fr;
  }

  .donut {
    width: min(12rem, 70vw);
  }
}