:root {
  --bg: #0f1115;
  --panel: #161a22;
  --muted: #9aa4af;
  --text: #e6edf3;
  --accent: #4aa3ff;
  --danger: #ff5c5c;
  --ok: #33d17a;
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial;
}

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: grid; grid-template-columns: 120px 1fr 140px;
  gap: 12px; align-items: center;
  padding: 12px 16px; background: rgba(22,26,34,.9); backdrop-filter: blur(6px);
  border-bottom: 1px solid #252a33;
}
.brand { font-weight: 700; }
.search-wrap { display:flex; gap:12px; align-items:center; }
#search {
  flex: 1; padding: 10px 12px; border-radius: 10px; border: 1px solid #2a303b; background: #0d0f14; color: var(--text);
}
#filters { display:flex; align-items:center; gap: 10px; color: var(--muted); font-size: 14px; }
.status { font-size: 14px; color: var(--muted); text-align: right; }

#app { max-width: 1100px; margin: 20px auto; padding: 0 16px; }

.card {
  display: flex; flex-direction: column; gap: 8px;
  border-radius: var(--radius);
  border: 1px solid #292e39;
  padding: 12px;
  color: #0b0e11; /* content area uses card background color; inputs use dark text */
}
.card .title, .card .content, .card .tags {
  background: transparent; border: none; outline: none; color: #0b0e11;
}
.card .title { font-size: 16px; font-weight: 700; }
.card .content { min-height: 80px; resize: vertical; }
.card .tags { font-size: 13px; opacity: .8; }

.card .row { display: flex; align-items: center; gap: 8px; }
.card .row.right { justify-content: space-between; flex-wrap: wrap; }
.card .meta { font-size: 12px; color: #333; }
.card .icon { background: #0000; border: 1px solid #0003; border-radius: 10px; padding: 6px 8px; cursor: pointer; }
.card .icon:hover { background: #0002; }

.composer { background: var(--panel); color: var(--text); border-color: #2b3240; }
.composer .title, .composer .content, .composer .tags { color: var(--text); }
.composer .color { width: 44px; height: 32px; border-radius: 8px; }
.btn {
  background: var(--accent); color: #fff; border: none; padding: 8px 12px; border-radius: 10px; cursor: pointer;
}
.btn:hover { filter: brightness(1.1); }

.grid {
  margin-top: 18px;
  columns: 300px; /* masonry-like */
  column-gap: 14px;
}
.grid > .card {
  display: inline-block; width: 100%; margin: 0 0 14px;
}

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip, .chip.active {
  background: #1c212b; color: var(--text); border: 1px solid #2b3240; border-radius: 999px; padding: 6px 10px; cursor: pointer; font-size: 13px;
}
.chip.active { background: var(--accent); }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: #1b2130; border: 1px solid #2b3240; color: var(--text);
  padding: 10px 14px; border-radius: 10px; opacity: 0; pointer-events: none; transition: opacity .2s ease;
}
.toast.show { opacity: 1; pointer-events: auto; }
.toast .link { color: var(--accent); background: transparent; border: none; text-decoration: underline; cursor: pointer; }

.empty { color: var(--muted); text-align: center; padding: 30px; }

/* Accessibility focus */
:focus { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Responsive */
@media (max-width: 700px) {
  .topbar { grid-template-columns: 1fr; gap: 8px; }
  .status { text-align: left; }
}