:root {
  --bg: #f5f7f9;
  --surface: #ffffff;
  --surface-2: #f2f4f7;
  --text: #101217;
  --muted: #6d7482;
  --border: #dde3ea;
  --primary: #0a7c5c;
  --secondary: #6b72e0;
  --danger: #cf3b3b;
  --shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

body[data-theme="dark"] {
  --bg: #0f1319;
  --surface: #171c24;
  --surface-2: #1f2631;
  --text: #eef3fa;
  --muted: #a7b2c2;
  --border: #2b3443;
  --shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Familjen Grotesk", sans-serif;
  background: var(--bg);
  color: var(--text);
}

h1, h2, h3 {
  font-family: "Instrument Serif", serif;
  margin: 0;
}

.hidden { display: none !important; }

.app-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--border);
  background: var(--surface);
  padding: 20px 14px;
}

.brand-block h1 { font-size: 1.75rem; }
.brand-block p { margin: 4px 0 0; color: var(--muted); }

.nav-list {
  margin-top: 24px;
  display: grid;
  gap: 8px;
}

.nav-item {
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  text-align: left;
  cursor: pointer;
}

.nav-item:hover { background: var(--surface-2); }

.nav-item.active {
  background: color-mix(in srgb, var(--primary) 14%, transparent);
  color: var(--primary);
  border-color: color-mix(in srgb, var(--primary) 30%, transparent);
}

.main-content {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 12px;
  cursor: pointer;
}

.content-area {
  position: relative;
  padding: 20px 24px;
}

.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow-x: auto;
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 980px;
}

th, td {
  border-bottom: 1px solid var(--border);
  padding: 10px;
  vertical-align: top;
}

th {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
  text-align: left;
  background: var(--surface);
  position: sticky;
  top: 0;
}

tr:hover td .row-delete {
  opacity: 1;
}

.inline-editable {
  min-height: 24px;
  border-radius: 6px;
  padding: 4px 6px;
}

.inline-editable:focus {
  outline: 2px solid color-mix(in srgb, var(--secondary) 60%, transparent);
  background: var(--surface-2);
}

.subtext {
  margin-top: 2px;
  font-size: 0.8rem;
  color: var(--muted);
}

.subtext.overdue { color: var(--danger); }

.select, input[type="date"], textarea, .cell-input {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 8px;
  font: inherit;
}

.cell-btn, .primary-btn, .ghost-btn {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text);
  padding: 6px 10px;
  cursor: pointer;
}

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

.cell-btn.link {
  color: var(--secondary);
  border-color: color-mix(in srgb, var(--secondary) 25%, var(--border));
  background: color-mix(in srgb, var(--secondary) 10%, transparent);
}

.add-row-wrap {
  margin-top: 12px;
}

.status-pill {
  border-radius: 999px;
  display: inline-flex;
  padding: 2px 8px;
  font-size: 0.78rem;
  font-weight: 600;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.chip {
  background: color-mix(in srgb, var(--secondary) 14%, transparent);
  color: var(--secondary);
  border: 1px solid color-mix(in srgb, var(--secondary) 26%, transparent);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 0.75rem;
}

.multi-select {
  min-height: 40px;
}

.row-delete {
  opacity: 0;
  transition: opacity 0.16s ease;
  border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 8%, transparent);
  border-radius: 8px;
  cursor: pointer;
}

.overlay-view {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: var(--bg);
  display: grid;
  grid-template-rows: auto auto 1fr;
}

.overlay-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.saved-indicator {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.9rem;
}

.overlay-toolbar {
  display: flex;
  gap: 8px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.overlay-toolbar button {
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
}

.overlay-editor {
  padding: 20px 24px;
  overflow: auto;
  white-space: pre-wrap;
}

.overlay-editor:focus {
  outline: none;
}

.loading-state {
  position: absolute;
  top: 16px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.toast-container {
  position: fixed;
  bottom: 16px;
  right: 16px;
  z-index: 30;
  display: grid;
  gap: 8px;
}

.toast {
  padding: 10px 12px;
  border-radius: 10px;
  color: #fff;
  background: #2e3642;
}

.toast.error { background: #b23a3a; }

@media (max-width: 1050px) {
  .app-shell { grid-template-columns: 190px 1fr; }
  .topbar, .content-area { padding-left: 14px; padding-right: 14px; }
}