.btn-base{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-family:Inter,sans-serif;font-weight:600;letter-spacing:-.005em;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:background var(--motion-fast),border-color var(--motion-fast),color var(--motion-fast);white-space:nowrap;-webkit-user-select:none;user-select:none}.btn-base:disabled{opacity:.5;cursor:not-allowed}.btn-size-sm{height:26px;padding:0 10px;font-size:11px}.btn-size-md{height:32px;padding:0 14px;font-size:12px}.btn-size-lg{height:40px;padding:0 18px;font-size:14px}.btn-size-icon{height:32px;width:32px;padding:0}.btn-primary{background:var(--green-dim);color:#fff;border-color:var(--green-dim)}.btn-primary:hover:not(:disabled){background:#2ea043;border-color:#2ea043}.btn-secondary{background:transparent;color:var(--text);border-color:var(--border-strong)}.btn-secondary:hover:not(:disabled){background:var(--surface-2);color:var(--text)}.btn-ghost{background:transparent;color:var(--text);border-color:transparent}.btn-ghost:hover:not(:disabled){background:var(--surface-2);color:var(--text)}.btn-link{background:transparent;color:var(--status-reserved-fg);border:none;padding:0;height:auto}.btn-link:hover:not(:disabled){text-decoration:underline}.btn-danger{background:transparent;color:var(--status-error-fg);border-color:var(--status-error-border)}.btn-danger:hover:not(:disabled){background:var(--status-error-bg);border-color:var(--status-error-fg)}