:root {
  --accent: #e0503a;
  --accent-bg: #fdecea;
  --gray-50: #fafafa;
  --gray-100: #f2f2f2;
  --gray-200: #e5e5e5;
  --gray-300: #d4d4d4;
  --gray-500: #8a8a8a;
  --gray-700: #4a4a4a;
  --gray-900: #1f1f1f;
  --border: var(--gray-200);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--gray-50);
  color: var(--gray-900);
}

.app-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 1rem;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.app-header h1 { font-size: 1.25rem; margin: 0; }
.app-header nav { display: flex; align-items: baseline; }
.app-header nav a {
  color: var(--gray-700);
  text-decoration: none;
  font-size: 0.9rem;
  margin-left: 1rem;
  padding-left: 1rem;
  border-left: 1px solid var(--gray-300);
}
.app-header nav a:first-child { margin-left: 0; padding-left: 0; border-left: none; }
.app-header nav a:hover { text-decoration: underline; color: var(--accent); }

.quote-banner {
  padding: 0.6rem 1rem;
  font-style: italic;
  color: var(--gray-700);
  background: var(--gray-100);
  border-bottom: 1px solid var(--border);
}

main {
  padding: 1rem 1rem 3rem;
}

.panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1.25rem;
}
.panel h2 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gray-700);
}

/* Kanban */
.kanban-columns {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
}
.kanban-column {
  background: var(--gray-100);
  border-radius: 6px;
  padding: 0.5rem;
  min-height: 120px;
}
.kanban-column h3 {
  font-size: 0.8rem;
  margin: 0.25rem 0.25rem 0.5rem;
  color: var(--gray-700);
  font-weight: 600;
}
.kanban-cards {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 40px;
}
.kanban-cards.drag-over { outline: 2px dashed var(--gray-300); outline-offset: 2px; }

.kanban-card {
  background: #fff;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  padding: 0.5rem 0.6rem;
  font-size: 0.85rem;
  position: relative;
  cursor: grab;
}
.kanban-card.priority {
  border-color: var(--accent);
  background: var(--accent-bg);
}
.kanban-card-title { font-weight: 500; margin-bottom: 0.25rem; padding-right: 1rem; }
.kanban-card-meta { font-size: 0.7rem; color: var(--gray-500); }
.kanban-card-origin { color: inherit; text-decoration: none; }
.kanban-card-origin:hover { text-decoration: underline; }
.kanban-card-blocked-reason input {
  width: 100%;
  margin-top: 0.35rem;
  font-size: 0.75rem;
  padding: 0.2rem 0.35rem;
  border: 1px solid var(--gray-300);
  border-radius: 4px;
}
.kanban-card-delete {
  position: absolute;
  top: 0.3rem;
  right: 0.4rem;
  border: none;
  background: none;
  color: var(--gray-500);
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
}
.kanban-card-delete:hover { color: var(--accent); }

/* Delegation */
.delegation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
}
.person-card {
  background: var(--gray-100);
  border-radius: 6px;
  padding: 0.6rem 0.75rem;
}
.person-name { margin: 0 0 0.4rem; font-size: 0.9rem; }
.person-tasks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.4rem; }
.delegated-task { font-size: 0.8rem; }
.delegated-task-title { display: block; margin-bottom: 0.15rem; }
.delegated-task label { margin-right: 0.75rem; color: var(--gray-700); font-size: 0.75rem; }
.delegation-empty { color: var(--gray-500); font-size: 0.85rem; }

/* Day stack */
#load-more-wrap { margin-bottom: 0.5rem; }
#load-more {
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  font-size: 0.8rem;
}

.day {
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 0.5rem;
  overflow: hidden;
}
.day-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  background: var(--gray-100);
  cursor: pointer;
  font-size: 1.15rem;
  font-weight: 700;
}
.day-chevron { transition: transform 0.15s ease; display: inline-block; font-size: 0.9rem; }
.day.expanded .day-chevron { transform: rotate(90deg); }

.day-body {
  display: flex;
  gap: 1rem;
  padding: 1rem;
}
.day-body[hidden] { display: none; }

.week-heading {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gray-500);
  margin: 1.25rem 0 0.5rem;
}
.week-block:first-child .week-heading { margin-top: 0; }
.day-notes, .day-matrix { flex: 1 1 50%; min-width: 0; }

.notes-editor { font-family: inherit; }
.notes-editor .ql-toolbar.ql-snow {
  border: 1px solid var(--gray-300);
  border-radius: 6px 6px 0 0;
  background: var(--gray-50);
}
.notes-editor .ql-container.ql-snow {
  border: 1px solid var(--gray-300);
  border-top: none;
  border-radius: 0 0 6px 6px;
  min-height: 220px;
  font-size: 0.9rem;
  font-family: inherit;
}
/* Quill's default "active/hover" color is blue; retheme to the app's single accent color. */
.notes-editor .ql-snow.ql-toolbar button:hover,
.notes-editor .ql-snow.ql-toolbar button.ql-active,
.notes-editor .ql-snow .ql-picker-label:hover,
.notes-editor .ql-snow .ql-picker-label.ql-active,
.notes-editor .ql-snow .ql-picker-item:hover,
.notes-editor .ql-snow .ql-picker-item.ql-selected {
  color: var(--accent);
}
.notes-editor .ql-snow.ql-toolbar button:hover .ql-stroke,
.notes-editor .ql-snow.ql-toolbar button.ql-active .ql-stroke,
.notes-editor .ql-snow .ql-picker-label:hover .ql-stroke {
  stroke: var(--accent);
}
.notes-editor .ql-snow.ql-toolbar button:hover .ql-fill,
.notes-editor .ql-snow.ql-toolbar button.ql-active .ql-fill {
  fill: var(--accent);
}

.matrix-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}
.quadrant {
  background: var(--gray-100);
  border-radius: 6px;
  padding: 0.5rem 0.6rem;
  min-height: 140px;
  display: flex;
  flex-direction: column;
}
.quadrant h4 {
  font-size: 0.72rem;
  margin: 0 0 0.4rem;
  color: var(--gray-700);
  font-weight: 600;
}
.quadrant-hint { font-weight: 400; color: var(--gray-500); }
.quadrant-items { list-style: none; margin: 0 0 0.4rem; padding: 0; flex: 1; display: flex; flex-direction: column; gap: 0.3rem; }
.quadrant-input {
  border: 1px solid var(--gray-300);
  border-radius: 4px;
  padding: 0.3rem 0.4rem;
  font-size: 0.78rem;
}

.matrix-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: #fff;
  border: 1px solid var(--gray-300);
  border-radius: 4px;
  padding: 0.3rem 0.4rem;
  font-size: 0.78rem;
  cursor: grab;
}
.matrix-item.priority { border-color: var(--accent); background: var(--accent-bg); }
.matrix-item.migrated { opacity: 0.5; }
.matrix-item-title { flex: 1; }
.matrix-item-migrate {
  border: none;
  background: var(--gray-200);
  border-radius: 4px;
  font-size: 0.68rem;
  padding: 0.15rem 0.35rem;
  cursor: pointer;
  white-space: nowrap;
}
.matrix-item-migrate:hover { background: var(--gray-300); }

@media (max-width: 900px) {
  .day-body { flex-direction: column; }
  .kanban-columns { grid-template-columns: repeat(2, 1fr); }
}