:root {
  --bg: #f3f1ea;
  --panel: #fffef8;
  --panel-border: #d7d0c1;
  --text: #20211d;
  --muted: #696b63;
  --accent: #115e59;
  --accent-strong: #0f766e;
  --danger: #a12d2f;
  --shadow: 0 20px 50px rgba(32, 33, 29, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(17, 94, 89, 0.1), transparent 20%),
    linear-gradient(180deg, #f8f6ef 0%, var(--bg) 100%);
  color: var(--text);
}

.shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  padding: 2rem;
  background: #1c2b28;
  color: #f6f3e9;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar nav {
  display: grid;
  gap: 0.5rem;
}

.sidebar a {
  color: #f6f3e9;
  text-decoration: none;
}

.content {
  padding: 2rem;
}

.page-header,
.grid-2,
.stats-grid {
  margin-bottom: 1.5rem;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.section-heading h3 {
  margin: 0;
}

.grid-2,
.stats-grid {
  display: grid;
  gap: 1rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.stats-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.inset-card {
  margin-top: 1rem;
  background: #fcfbf7;
  box-shadow: none;
}

.preview-slot {
  margin-top: 1rem;
}

.source-review-layout {
  display: grid;
  grid-template-columns: minmax(340px, 420px) 1fr;
  gap: 1rem;
  align-items: start;
}

.source-list-panel,
.source-schedule-panel {
  min-height: 420px;
}

.year-toolbar {
  margin-top: 0.75rem;
}

.source-list-panel {
  max-height: calc(100vh - 220px);
  overflow: hidden;
}

.activity-list {
  display: grid;
  gap: 0;
  max-height: calc(100vh - 360px);
  overflow-y: auto;
  padding-right: 0.35rem;
}

.activity-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 1rem;
  align-items: center;
  padding: 0.85rem 0;
}

.action-row,
.import-levels {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.grouped-row {
  border-bottom: 1px solid #ece5d7;
}

.grouped-row:last-child {
  border-bottom: none;
}

.grouped-row.is-selected {
  background: rgba(17, 94, 89, 0.08);
  border-radius: 12px;
  padding-left: 0.65rem;
  padding-right: 0.65rem;
}

.activity-copy {
  min-width: 0;
}

.fixed-actions {
  justify-content: flex-end;
}

.formatter-preview {
  white-space: pre-wrap;
  background: #fcfbf7;
  border: 1px solid #ece5d7;
  border-radius: 12px;
  padding: 0.8rem;
  overflow-x: auto;
}

.formatter-scenario + .formatter-scenario {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #ece5d7;
}

.compact-form {
  min-width: 280px;
}

.button.compact {
  padding: 0.45rem 0.8rem;
}

.stack {
  display: grid;
  gap: 0.9rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.95rem;
}

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

input,
select,
textarea {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  background: white;
}

.button {
  border: none;
  border-radius: 999px;
  padding: 0.8rem 1.2rem;
  cursor: pointer;
  background: var(--accent);
  color: white;
}

.button.secondary {
  background: #dad3c2;
  color: var(--text);
}

.banner {
  margin: 1rem 0;
  padding: 0.8rem 1rem;
  border-radius: 14px;
}

.banner.success {
  background: #dff3ee;
  color: var(--accent-strong);
}

.banner.error {
  background: #fde7e7;
  color: var(--danger);
}

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

.help-popover {
  position: relative;
}

.help-popover summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  background: rgba(17, 94, 89, 0.08);
  padding: 0.45rem 0.8rem;
  font-size: 0.92rem;
}

.help-popover summary::-webkit-details-marker {
  display: none;
}

.help-popover[open] summary {
  background: var(--accent);
  color: white;
}

.help-popover-panel {
  position: absolute;
  top: calc(100% + 0.6rem);
  right: 0;
  z-index: 10;
  width: min(38rem, 88vw);
  padding: 1rem;
  border-radius: 16px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.help-popover-panel p {
  margin: 0;
}

.help-list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.45rem;
}

.help-list code {
  font-size: 0.92em;
}


.version-badge {
  margin-top: 0.35rem;
  font-size: 0.9rem;
}

.schools-table-action-col {
  width: 160px;
}

.schools-table-action {
  text-align: right;
  white-space: nowrap;
}

.nowrap-button {
  white-space: nowrap;
}

.mapping-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  align-items: center;
}

.inline-form {
  display: inline;
}

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

th,
td {
  padding: 0.75rem 0.5rem;
  text-align: left;
  border-bottom: 1px solid #ece5d7;
}

.plain-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.auth-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.auth-card {
  width: min(420px, 92vw);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: var(--shadow);
}

.checkbox {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

@media (max-width: 900px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    padding-bottom: 1rem;
  }

  .source-review-layout {
    grid-template-columns: 1fr;
  }
}