:root {
  --bg: #fff; --surface: #f7f8f9; --column: #f1f2f4; --border: #dcdfe4; --text: #172b4d; --muted: #626f86;
  --primary: #0c66e4; --primary-hover: #0055cc; --danger: #c9372c;
  --story: #22a06b; --task: #1d7afc; --bug: #e2483d;
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: var(--text); background: var(--bg); }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 24px; margin: 0; }
h2 { font-size: 14px; margin: 24px 0 8px; }
code { background: var(--surface); padding: 1px 6px; border-radius: 3px; }
.muted { color: var(--muted); font-size: 13px; }
.spacer { flex: 1; }

.topbar { display: flex; align-items: center; gap: 10px; padding: 10px 24px; border-bottom: 1px solid var(--border); }
.topbar a { color: var(--text); font-weight: 500; }
.brand { font-weight: 700 !important; }
.logo { color: var(--primary); }
.crumb { color: var(--muted); }
main { padding: 20px 24px 48px; }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.two-col { display: grid; grid-template-columns: 1fr 320px; gap: 24px; align-items: start; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 16px; }
.panel h2 { margin-top: 0; }
.narrow { max-width: 640px; }
.empty { padding: 32px; text-align: center; color: var(--muted); border: 1px dashed var(--border); border-radius: 6px; }

.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: 12px; color: var(--muted); border-bottom: 2px solid var(--border); padding: 8px; }
.table td { border-bottom: 1px solid var(--border); padding: 10px 8px; vertical-align: top; }

.btn { display: inline-block; border: 0; border-radius: 3px; padding: 6px 12px; font: inherit; font-weight: 500; cursor: pointer; background: var(--column); color: var(--text); }
.btn:hover { background: var(--border); text-decoration: none; }
.btn.primary { background: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); }
.btn.danger { color: var(--danger); }
.actions { display: flex; gap: 8px; align-items: center; margin: 12px 0; }
.actions form { margin: 0; }

.form > div { margin-bottom: 12px; }
.form label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 4px; }
.form input, .form select, .form textarea, .filters input, .filters select {
  width: 100%; font: inherit; padding: 7px 8px; border: 2px solid var(--border); border-radius: 3px; background: #fff; color: var(--text);
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--primary); }
.form .helptext { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }
.errorlist { color: var(--danger); margin: 4px 0; padding-left: 16px; font-size: 12px; }

.filters { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.filters input { width: 220px; }
.filters select { width: auto; }

.board { display: grid; grid-template-columns: repeat(4, minmax(220px, 1fr)); gap: 12px; align-items: start; overflow-x: auto; }
.column { background: var(--column); border-radius: 6px; padding: 8px; min-height: 200px; }
.column.over { outline: 2px dashed var(--primary); }
.column h3 { font-size: 12px; text-transform: uppercase; color: var(--muted); margin: 4px 4px 10px; letter-spacing: .03em; }
.count { font-weight: 400; margin-left: 4px; }
.cards { display: flex; flex-direction: column; gap: 6px; min-height: 40px; }
.card { display: block; background: #fff; border-radius: 4px; padding: 10px; color: var(--text); box-shadow: 0 1px 1px rgba(9,30,66,.25), 0 0 1px rgba(9,30,66,.31); cursor: grab; }
.card:hover { background: #fafbfc; text-decoration: none; }
.card.dragging { opacity: .4; }
.card-title { margin-bottom: 8px; }
.card-meta { display: flex; align-items: center; gap: 6px; font-size: 12px; }
.key { color: var(--muted); font-weight: 500; }
.key.done { text-decoration: line-through; }
.add-inline { display: block; padding: 6px 4px; color: var(--muted); font-size: 13px; }

.type-icon { display: inline-flex; align-items: center; justify-content: center; width: 16px; height: 16px; border-radius: 3px; color: #fff; font-size: 9px; }
.type-icon.story { background: var(--story); }
.type-icon.task { background: var(--task); }
.type-icon.bug { background: var(--bug); }
.priority { font-weight: 700; }
.priority.p1, .priority.p2 { color: var(--task); }
.priority.p3 { color: #e2b203; }
.priority.p4, .priority.p5 { color: var(--bug); }
.avatar { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: #6e5dc6; color: #fff; font-size: 12px; font-weight: 600; }
.avatar.small { width: 22px; height: 22px; font-size: 10px; }

.crumbs { margin-bottom: 8px; }
.issue { display: grid; grid-template-columns: 1fr 300px; gap: 32px; align-items: start; }
.description { white-space: normal; }
.comments { list-style: none; padding: 0; margin: 0 0 16px; }
.comments li { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.comments p { margin: 4px 0 0; }
.details dl { display: grid; grid-template-columns: 90px 1fr; gap: 10px 8px; margin: 16px 0 0; }
.details dt { color: var(--muted); font-size: 12px; font-weight: 600; }
.details dd { margin: 0; display: flex; align-items: center; gap: 6px; }
.status-select { font: inherit; font-weight: 600; padding: 6px 10px; border: 0; border-radius: 3px; cursor: pointer; }
.s-todo { background: var(--column); }
.s-in_progress, .s-in_review { background: #e9f2ff; color: var(--primary-hover); }
.s-done { background: #dcfff1; color: #216e4e; }

.attachments { list-style: none; padding: 0; margin: 0 0 12px; display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
.attachments li { border: 1px solid var(--border); border-radius: 4px; overflow: hidden; background: #fff; }
.thumb { display: flex; align-items: center; justify-content: center; height: 100px; background: var(--surface); }
.thumb img { max-width: 100%; max-height: 100%; object-fit: cover; }
.file-icon { font-size: 32px; }
.attachment-meta { display: flex; flex-direction: column; gap: 2px; padding: 6px 8px; font-size: 12px; }
.attachment-meta form { margin: 0; }
.link-button { background: none; border: 0; padding: 0; color: var(--danger); font: inherit; font-size: 12px; cursor: pointer; }
.dropzone { position: relative; display: block; border: 2px dashed var(--border); border-radius: 4px; padding: 14px; text-align: center; color: var(--muted); cursor: pointer; }
.dropzone:hover, .dropzone.over { border-color: var(--primary); color: var(--primary); }
.dropzone input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.form.upload { margin-bottom: 8px; }

@media (max-width: 800px) {
  main { padding: 16px; }
  .two-col, .issue { grid-template-columns: 1fr; }
  .board { grid-template-columns: repeat(4, 260px); }
}