:root {
  --bg: #0f1115;
  --surface: #141821;
  --card: #1e2230;
  --text: #e8eaf6;
  --muted: #a1a8b3;
  --accent: #7c5cff;
  --shadow: 0 6px 20px rgba(0,0,0,.15);
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; font-family: Inter, system-ui, sans-serif; color: var(--text); background: linear-gradient(135deg, #0b0e14, #12171f, #0b0e14); }

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

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-radius: var(--radius); background: rgba(255,255,255,.04); box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,.06); position: sticky; top: 12px; z-index: 10; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.logo .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); display: inline-block; }
.search input { width: 320px; padding: 10px 12px; border-radius: 999px; border: 1px solid rgba(255,255,255,.15); background: rgba(0,0,0,.25); color: var(--text); }
@media (max-width: 700px){ .search input { width: 100%; } }

.new-note { display: grid; grid-template-columns: 1fr 1fr auto; gap: 10px; align-items: end; margin: 18px 0 14px; }
.new-note input, .new-note textarea { width: 100%; padding: 12px; border-radius: 12px; border: 1px solid rgba(255,255,255,.15); background: rgba(255,255,255,.04); color: var(--text); }
.new-note textarea { min-height: 90px; resize: vertical; }
.new-note button { padding: 12px 16px; border-radius: 12px; border: 0; background: linear-gradient(135deg, #7c5cff, #5a87ff); color: white; font-weight: 600; cursor: pointer; }
@media (max-width: 900px){ .new-note { grid-template-columns: 1fr; } }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; padding-bottom: 40px; }
.note-card { background: #1b2030; border-radius: 14px; padding: 14px; box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,.08); display: flex; flex-direction: column; min-height: 180px; }
.note-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.note-title { font-size: 16px; font-weight: 700; margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 180px; }

.pin-btn {
  border: none;
  background: linear-gradient(135deg, #7c5cff, #5a87ff);
  color: white;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s ease;
}
.pin-btn:hover {
  opacity: 0.85;
  transform: scale(1.05);
}

.note-content { color: #ddd; line-height: 1.5; white-space: pre-wrap; flex: 1; }
.note-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; font-size: 12px; color: var(--muted); }
.actions button { margin-left: 6px; padding: 6px 10px; border-radius: 8px; border: 1px solid rgba(255,255,255,.15); background: rgba(255,255,255,.04); color: #e6e6e6; cursor: pointer; }
.empty { grid-column: 1 / -1; text-align: center; color: var(--muted); padding: 40px 0; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: grid; place-items: center; opacity: 0; pointer-events: none; transition: opacity .2s ease; }
.modal.is-open { opacity: 1; pointer-events: auto; }
.modal-content { width: min(600px, 92%); background: #141821; border-radius: 12px; padding: 16px; }
.modal-content input, .modal-content textarea { width: 100%; padding: 10px; border-radius: 10px; border: 1px solid rgba(255,255,255,.15); background: rgba(0,0,0,.25); color: var(--text); margin-bottom: 10px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }
.btn { background: #7c5cff; color: white; font-weight: 600; padding: 8px 12px; border-radius: 8px; border: 0; cursor: pointer; }
.btn.secondary { background: rgba(255,255,255,.08); }

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--text);
}

.controls select {
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.15);
  background: rgba(255,255,255,.05);
  color: var(--text);
  font-weight: 500;
  cursor: pointer;
  transition: 0.2s ease;
}

.controls select:hover {
  border-color: var(--accent);
  background: rgba(124,92,255,0.15);
}