:root {
  color-scheme: light dark;
  --bg: #f5f5f7;
  --surface: #ffffff;
  --text: #1c1c1e;
  --muted: #6e6e73;
  --border: #d2d2d7;
  --q1: #e5484d; /* Do Now */
  --q2: #3e63dd; /* Important */
  --q3: #f5a623; /* Urgent */
  --q4: #8f8f94; /* Other Shit */
  --accent: #3e63dd;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1c1e;
    --surface: #2c2c2e;
    --text: #f5f5f7;
    --muted: #98989e;
    --border: #3a3a3c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.topbar h1 { font-size: 17px; margin: 0; flex: none; }
.topbar-status { color: var(--muted); font-size: 13px; display: flex; align-items: center; gap: 6px; flex: 1; }
.topbar nav { display: flex; gap: 8px; }

.sync-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.sync-dot.ok { background: #30d158; }
.sync-dot.error { background: var(--q1); }
.sync-dot.syncing { background: var(--q3); animation: pulse 1s infinite alternate; }
@keyframes pulse { from { opacity: 0.4; } to { opacity: 1; } }

button {
  font: inherit;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.destructive { color: var(--q1); border-color: var(--q1); }
button:disabled { opacity: 0.4; cursor: default; }

.capture {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
}

.capture input {
  flex: 1;
  font: inherit;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.matrix {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  padding: 0 16px 16px;
  height: calc(100vh - 130px);
}

@media (max-width: 700px) {
  .matrix { grid-template-columns: 1fr; grid-template-rows: none; height: auto; }
}

.quadrant {
  background: var(--surface);
  border-radius: 14px;
  border: 1px solid var(--border);
  border-top: 4px solid var(--muted);
  padding: 10px 12px;
  overflow-y: auto;
  min-height: 160px;
}

.quadrant.drag-over { outline: 2px dashed var(--accent); outline-offset: -4px; }
.q-importantUrgent { border-top-color: var(--q1); }
.q-importantNotUrgent { border-top-color: var(--q2); }
.q-notImportantUrgent { border-top-color: var(--q3); }
.q-notImportantNotUrgent { border-top-color: var(--q4); }

.quadrant header { display: flex; align-items: baseline; gap: 8px; margin-bottom: 8px; }
.quadrant h2 { font-size: 15px; margin: 0; }
.quadrant .subtitle { color: var(--muted); font-size: 12px; }

.cards { display: flex; flex-direction: column; gap: 6px; }

.card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  cursor: grab;
}
.card.pending { opacity: 0.65; }
.card-body { min-width: 0; }
.card-title { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-meta { color: var(--muted); font-size: 12px; display: flex; gap: 8px; }
.card-meta .deadline { color: var(--q3); }

.done-btn {
  flex: none;
  width: 26px; height: 26px;
  border-radius: 50%;
  padding: 0;
  line-height: 1;
  color: var(--muted);
}
.done-btn:hover { background: #30d158; border-color: #30d158; color: #fff; }

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal {
  background: var(--surface);
  border-radius: 14px;
  padding: 18px;
  width: min(480px, 100%);
  max-height: 85vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal h2 { margin: 0; font-size: 17px; }
.modal label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.modal input, .modal textarea, .modal select {
  font: inherit;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}
.modal-title { font-size: 17px; font-weight: 600; }
.rationale { color: var(--muted); font-size: 13px; margin: 0; }
.meta-row { color: var(--muted); font-size: 12px; }
.button-row { display: flex; gap: 8px; flex-wrap: wrap; }

.archive-list { display: flex; flex-direction: column; gap: 4px; }
.archive-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
}
.archive-row:hover { background: var(--bg); }
.archive-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.archive-date { color: var(--muted); font-size: 12px; }
.badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 20px;
  color: #fff;
  background: var(--q4);
  text-transform: capitalize;
}
.badge.completed { background: #30d158; }
.badge.cancelled { background: var(--q1); }