:root {
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-strong: #eef4f3;
  --text: #17202a;
  --muted: #64717d;
  --line: #d8dee4;
  --line-strong: #bdc8d2;
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --gold: #a45f12;
  --red: #b42318;
  --blue: #1d5d9b;
  --shadow: 0 18px 42px rgba(33, 45, 58, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

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

button {
  cursor: pointer;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
}

.loading {
  place-items: center;
}

.spinner {
  width: 34px;
  height: 34px;
  border: 3px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  padding: 0 24px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: white;
  background: var(--accent);
  border-radius: 8px;
  font-weight: 800;
}

.brand h1 {
  margin: 0;
  font-size: 17px;
  line-height: 1.2;
}

.brand p,
.subtle {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.layout {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  min-height: calc(100vh - 64px);
}

.sidebar {
  padding: 18px;
  border-right: 1px solid var(--line);
  background: #fbfcfd;
}

.nav-group {
  display: grid;
  gap: 6px;
  margin-bottom: 22px;
}

.nav-label {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.nav-button,
.board-picker {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--text);
  background: transparent;
  text-align: left;
}

.nav-button.active,
.board-picker.active {
  background: var(--surface-strong);
  border-color: #c7dbd8;
}

.main {
  min-width: 0;
  padding: 24px;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.toolbar h2,
.panel h2,
.modal h2 {
  margin: 0;
  font-size: 22px;
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.button,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 7px 12px;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.button.danger {
  color: var(--red);
}

.icon-button {
  width: 36px;
  padding: 0;
}

.board {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(280px, 1fr);
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 12px;
}

.column {
  min-height: 420px;
  background: #edf1f4;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
}

.column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.column-header input {
  width: 100%;
  border: 0;
  background: transparent;
  font-weight: 750;
}

.cards {
  display: grid;
  gap: 10px;
}

.card {
  min-height: 132px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 8px 18px rgba(33, 45, 58, 0.08);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.card p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-top: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  max-width: 100%;
  padding: 2px 8px;
  border-radius: 999px;
  background: #e8ecef;
  color: #344150;
  font-size: 12px;
  font-weight: 650;
  white-space: nowrap;
}

.pill.education {
  background: #d9eee9;
  color: #07534d;
}

.pill.impact {
  background: #e8edf8;
  color: #214b83;
}

.pill.other {
  background: #f2e9d9;
  color: #70440c;
}

.pill.warn {
  background: #fff1d7;
  color: var(--gold);
}

.pill.danger {
  background: #ffe4e2;
  color: var(--red);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.stack {
  display: grid;
  gap: 14px;
}

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

label {
  display: grid;
  gap: 6px;
  color: #2f3b46;
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: white;
  color: var(--text);
  padding: 8px 10px;
}

textarea {
  min-height: 104px;
  resize: vertical;
}

.full {
  grid-column: 1 / -1;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(11, 20, 28, 0.42);
}

.modal {
  width: min(920px, 100%);
  max-height: min(92vh, 900px);
  overflow: auto;
  background: var(--surface);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

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

.modal-footer {
  border-top: 1px solid var(--line);
  border-bottom: 0;
}

.modal-body {
  padding: 18px;
}

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

.table th,
.table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 22px;
}

.auth {
  width: min(440px, 100%);
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.auth h1 {
  margin: 0 0 8px;
  font-size: 24px;
}

.message {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafb;
  color: var(--muted);
}

.message.error {
  border-color: #fac5bf;
  background: #fff0ee;
  color: var(--red);
}

.empty {
  display: grid;
  place-items: center;
  min-height: 220px;
  color: var(--muted);
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
}

@media (max-width: 860px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 16px;
  }

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

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .main {
    padding: 16px;
  }

  .toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .toolbar-actions {
    justify-content: flex-start;
  }

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