.bc-layout-btn {
          padding: 6px 14px; border-radius: 999px; font-size: 10px; font-weight: 600;
          letter-spacing: 0.06em; text-transform: uppercase; border: none; cursor: pointer;
          background: transparent; color: var(--ink-3); font-family: inherit;
        }
        .bc-layout-btn.active { background: var(--ink); color: white; }

        /* Timeline list */
        .bc-timeline-day {
          display: grid; grid-template-columns: 130px 1fr; gap: 18px;
          padding: 14px 0; border-bottom: 1px dotted #d6d2c8;
        }
        .bc-timeline-day:last-child { border-bottom: 0; }
        .bc-day-meta {
          font-family: 'JetBrains Mono', monospace; font-size: 11px;
          color: var(--ink-3); letter-spacing: 0.06em;
        }
        .bc-day-meta .bc-day-mainline {
          font-family: 'Inter', sans-serif; font-size: 16px; font-weight: 600;
          color: var(--ink); letter-spacing: 0; margin-bottom: 2px;
        }
        .bc-day-meta.overdue .bc-day-mainline { color: var(--clay); }
        .bc-day-meta.today   .bc-day-mainline { color: var(--clay); }
        .bc-day-meta .bc-urgency-tag {
          display: inline-block; margin-top: 4px; padding: 2px 7px; border-radius: 3px;
          font-size: 9px; font-weight: 600; letter-spacing: 0.06em;
          font-family: 'JetBrains Mono', monospace;
        }
        .bc-urgency-tag.crit { background: var(--clay); color: white; }
        .bc-urgency-tag.warn { background: rgba(184,92,62,0.18); color: var(--clay); }
        .bc-urgency-tag.mild { background: rgba(207,179,116,0.32); color: #7a5d1a; }
        .bc-urgency-tag.cool { background: rgba(60,60,60,0.10); color: var(--ink-3); }
        .bc-urgency-tag.done { background: rgba(135,158,107,0.40); color: var(--sage-ink); }

        .bc-events { display: flex; flex-direction: column; gap: 8px; }
        .bc-event {
          padding: 12px 14px; background: white; border: 1px solid #d6d2c8; border-radius: 6px;
          display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px;
          cursor: pointer; transition: all 0.15s;
        }
        .bc-event:hover { border-color: var(--clay); transform: translateX(2px); }
        .bc-event-icon {
          font-family: 'JetBrains Mono', monospace; font-size: 9px;
          padding: 4px 8px; border-radius: 3px; letter-spacing: 0.08em;
          background: rgba(28,28,28,0.06); color: var(--ink-2);
        }
        .bc-event-icon.due       { background: var(--clay); color: white; }
        .bc-event-icon.submit    { background: var(--ink);  color: white; }
        .bc-event-icon.respond   { background: rgba(207,179,116,0.32); color: #7a5d1a; }
        .bc-event-icon.decide    { background: rgba(184,92,62,0.18); color: var(--clay); }
        .bc-event-icon.kickoff   { background: rgba(135,158,107,0.40); color: var(--sage-ink); }
        .bc-event-icon.history   { background: rgba(60,60,60,0.10); color: var(--ink-3); }
        .bc-event-title { font-size: 13px; color: var(--ink); font-weight: 500; }
        .bc-event-title .gc { font-weight: 600; }
        .bc-event-title .proj { font-style: italic; color: var(--ink-2); }
        .bc-event-meta { font-size: 10px; color: var(--ink-4); font-family: 'JetBrains Mono', monospace; }

        /* Month grid */
        .bc-month-grid {
          display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px;
          background: white; border: 1px solid #d6d2c8; border-radius: 8px; padding: 8px;
        }
        .bc-month-header {
          padding: 8px 10px; font-family: 'JetBrains Mono', monospace; font-size: 10px;
          color: var(--ink-3); letter-spacing: 0.1em; text-transform: uppercase; text-align: center;
          border-bottom: 1px solid #d6d2c8;
        }
        .bc-month-cell {
          min-height: 90px; padding: 6px 8px; border-radius: 4px; background: rgba(245,240,232,0.3);
          font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--ink-3);
          display: flex; flex-direction: column; gap: 2px;
        }
        .bc-month-cell.empty { background: rgba(245,240,232,0.1); }
        .bc-month-cell.today { background: rgba(184,92,62,0.10); border: 1.5px solid var(--clay); }
        .bc-month-cell-day { font-weight: 600; color: var(--ink-2); font-size: 11px; margin-bottom: 2px; }
        .bc-month-cell.today .bc-month-cell-day { color: var(--clay); }
        .bc-month-evt {
          font-size: 9px; padding: 2px 5px; border-radius: 2px; cursor: pointer;
          font-family: 'Inter', sans-serif; line-height: 1.2;
          background: rgba(28,28,28,0.06); color: var(--ink-2);
          overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
        }
        .bc-month-evt.due { background: var(--clay); color: white; }
        .bc-month-evt.submit { background: var(--ink); color: white; }