:root {
  --bg: #0f1115;
  --panel: #151a22;
  --card: #1b2230;
  --text: #e8eefc;
  --muted: #9aa7c0;
  --border: #2a3447;
  --accent: #6aa6ff;
  --danger: #ff6b6b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #121620, #0f1115);
  position: sticky;
  top: 0;
  z-index: 10;
}

h1 { margin: 0; font-size: 18px; }
.sub { color: var(--muted); font-size: 12px; margin-top: 2px; }

.actions { display: flex; gap: 10px; }

button {
  background: var(--accent);
  border: 0;
  color: #06101f;
  font-weight: 700;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
}

button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  font-weight: 600;
}

button.link {
  background: transparent;
  border: 0;
  color: var(--muted);
  padding: 6px 8px;
  border-radius: 8px;
}
button.link:hover { color: var(--text); background: rgba(255,255,255,0.05); }
button.link.danger:hover { color: #fff; background: rgba(255,107,107,0.15); }

.board {
  display: grid;
  grid-template-columns: repeat(3, minmax(260px, 1fr));
  gap: 14px;
  padding: 14px;
}

@media (max-width: 900px) {
  .board { grid-template-columns: 1fr; }
}

.col {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 14px;
  overflow: hidden;
  min-height: 60vh;
}

.col-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid var(--border);
}

.col-title { font-size: 14px; margin: 0; }
.col-meta { color: var(--muted); font-size: 12px; }

.dropzone {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 100%;
}

.dropzone.dragover {
  outline: 2px dashed rgba(106, 166, 255, 0.6);
  outline-offset: -6px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 10px 8px;
}

.card[draggable="true"] { cursor: grab; }
.card.dragging { opacity: 0.5; }

.card-title {
  font-weight: 750;
  margin-bottom: 6px;
  font-size: 13px;
}

.card-desc {
  color: var(--muted);
  font-size: 12px;
  white-space: pre-wrap;
  max-height: 120px;
  overflow: auto;
}

.card-foot {
  display: flex;
  justify-content: flex-end;
  gap: 4px;
  margin-top: 8px;
}

dialog {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #0f1115;
  color: var(--text);
  padding: 0;
  width: min(560px, calc(100vw - 24px));
}

dialog::backdrop { background: rgba(0,0,0,0.55); }

form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
}

form h2 { margin: 0 0 6px; font-size: 16px; }

label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--muted); }

input, textarea, select {
  background: #0b0d12;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px;
  border-radius: 10px;
  outline: none;
}

.dlg-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 6px;
}