* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #1a1a2e;
  color: #eee;
}

.header {
  padding: 16px 24px;
  background: #16213e;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid #0f3460;
}

.header h1 { font-size: 1.4em; }
.header .version { color: #888; font-size: 0.9em; }

.board {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  padding: 16px;
  min-height: calc(100vh - 60px);
}

.column {
  background: #16213e;
  border-radius: 8px;
  padding: 12px;
  min-height: 200px;
}

.column-header {
  font-weight: bold;
  padding: 8px;
  margin-bottom: 8px;
  border-bottom: 2px solid #0f3460;
  display: flex;
  justify-content: space-between;
}

.column-count {
  background: #0f3460;
  border-radius: 12px;
  padding: 2px 8px;
  font-size: 0.85em;
}

.task-card {
  background: #1a1a2e;
  border: 1px solid #333;
  border-radius: 6px;
  padding: 10px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.1s;
}

.task-card:hover {
  border-color: #e94560;
  transform: translateY(-1px);
}

.task-id {
  font-weight: bold;
  color: #e94560;
}

.task-title {
  margin-top: 4px;
  font-size: 0.9em;
}

.task-meta {
  margin-top: 6px;
  font-size: 0.75em;
  color: #888;
}

.task-deps {
  font-size: 0.75em;
  color: #666;
  margin-top: 4px;
}

/* Task detail panel */
#task-detail {
  position: fixed;
  top: 0;
  right: -420px;
  width: 420px;
  height: 100vh;
  background: #16213e;
  border-left: 2px solid #0f3460;
  padding: 20px;
  overflow-y: auto;
  z-index: 10;
  transition: right 0.3s ease;
}

#task-detail.active {
  right: 0;
}

.detail-close {
  cursor: pointer;
  float: right;
  font-size: 1.2em;
  color: #888;
  padding: 4px 8px;
}

.detail-close:hover { color: #e94560; }

.detail-meta { margin-top: 12px; font-size: 0.9em; color: #aaa; }
.detail-meta p { margin-bottom: 4px; }

.detail-actions {
  margin-top: 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid #333;
  background: #1a1a2e;
  color: #eee;
  cursor: pointer;
  font-size: 0.85em;
  text-decoration: none;
  transition: background 0.2s;
}

.btn:hover { background: #0f3460; }

.btn-move { border-color: #e94560; }
.btn-success { border-color: #4ecca3; color: #4ecca3; }
.btn-success:hover { background: #4ecca3; color: #1a1a2e; }

.detail-content {
  white-space: pre-wrap;
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.8em;
  margin-top: 16px;
  line-height: 1.6;
  padding: 12px;
  background: #111;
  border-radius: 6px;
  max-height: 60vh;
  overflow-y: auto;
}

/* Responsive */
@media (max-width: 1100px) {
  .board { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 700px) {
  .board { grid-template-columns: repeat(2, 1fr); }
  #task-detail { width: 100%; right: -100%; }
}

@media (max-width: 500px) {
  .board { grid-template-columns: 1fr; }
}