/* === Backlog page === */

.backlog-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.backlog-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.backlog-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin: 4px 0 0;
}

.backlog-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.backlog-search {
  width: 260px;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  outline: none;
}

.backlog-search:focus {
  border-color: var(--accent);
}

#backlogNewBtn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.backlog-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.backlog-filters select {
  padding: 6px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
  min-width: 140px;
}

.backlog-filters select:focus {
  outline: none;
  border-color: var(--accent);
}

.backlog-filters .ctrl-btn {
  padding: 6px 12px;
  font-size: 12px;
}

.backlog-table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: auto;
}

.backlog-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.backlog-table thead {
  background: rgba(255, 255, 255, 0.02);
  position: sticky;
  top: 0;
  z-index: 1;
}

.backlog-table th {
  text-align: left;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.backlog-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-subtle, rgba(30, 30, 46, 0.4));
  vertical-align: top;
}

.backlog-row {
  cursor: pointer;
  transition: background 0.12s;
}

.backlog-row:hover {
  background: rgba(255, 255, 255, 0.02);
}

.col-id code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
}

.col-task {
  min-width: 280px;
}

.bk-task-title {
  font-weight: 500;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.bk-task-feature {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 460px;
}

.bk-archived-tag {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* Epic labels */

.bk-epic {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid transparent;
}

.bk-epic-blue   { color: #79b7e7; background: rgba(78, 168, 222, 0.10); border-color: rgba(78, 168, 222, 0.3); }
.bk-epic-orange { color: #ff9e6e; background: rgba(255, 107, 53, 0.10); border-color: rgba(255, 107, 53, 0.3); }
.bk-epic-teal   { color: #5fc8b0; background: rgba(0, 184, 148, 0.08); border-color: rgba(0, 184, 148, 0.3); }
.bk-epic-purple { color: #b8acff; background: rgba(108, 92, 231, 0.10); border-color: rgba(108, 92, 231, 0.3); }
.bk-epic-gray   { color: #b0b0c0; background: rgba(176, 176, 192, 0.06); border-color: rgba(176, 176, 192, 0.18); }

/* Status badges */

.bk-status {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.bk-status-todo {
  color: #b0b0c0;
  background: rgba(176, 176, 192, 0.06);
  border-color: rgba(176, 176, 192, 0.2);
}

.bk-status-inprogress {
  color: #79b7e7;
  background: rgba(78, 168, 222, 0.10);
  border-color: rgba(78, 168, 222, 0.3);
}

.bk-status-review {
  color: #b8acff;
  background: rgba(108, 92, 231, 0.10);
  border-color: rgba(108, 92, 231, 0.35);
}

.bk-status-done {
  color: #5fc8b0;
  background: rgba(0, 184, 148, 0.08);
  border-color: rgba(0, 184, 148, 0.3);
}

/* Priority badges */

.bk-priority {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 4px;
}

.bk-priority-high {
  color: #ff9e6e;
  background: rgba(255, 107, 53, 0.10);
}

.bk-priority-standard {
  color: var(--text-muted);
}

.col-modified {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

.col-assignee {
  white-space: nowrap;
  color: var(--text);
}

/* States */

.backlog-loading,
.backlog-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 13px;
}

/* Responsive */

@media (max-width: 980px) {
  .backlog-header-actions {
    width: 100%;
    justify-content: flex-end;
  }
  .backlog-search { flex: 1; min-width: 0; }
  .bk-task-feature { max-width: 240px; }
  .col-modified { display: none; }
}

@media (max-width: 720px) {
  .col-id, .col-priority { display: none; }
  .col-task { min-width: 200px; }
}